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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-20 11:26:56 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-20 11:26:56 -0800
commit8793422fd9ac5037f5047f80473007301df3689f (patch)
treef5aa3b3a564f053e1b5604c45db80193abc734a4 /drivers
parentb3cdda2b4f541439ca4205793040aa2e1c852e3b (diff)
parent10baf04e95fbf7eb6089410220a547211dd2ffa7 (diff)
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Merge tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki: - Rework of the ACPI namespace scanning code from Rafael J. Wysocki with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg, Toshi Kani, and Yinghai Lu. - ACPI power resources handling and ACPI device PM update from Rafael J Wysocki. - ACPICA update to version 20130117 from Bob Moore and Lv Zheng with contributions from Aaron Lu, Chao Guan, Jesper Juhl, and Tim Gardner. - Support for Intel Lynxpoint LPSS from Mika Westerberg. - cpuidle update from Len Brown including Intel Haswell support, C1 state for intel_idle, removal of global pm_idle. - cpuidle fixes and cleanups from Daniel Lezcano. - cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri with contributions from Stratos Karafotis and Rickard Andersson. - Intel P-states driver for Sandy Bridge processors from Dirk Brandewie. - cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn. - cpufreq fixes related to ordering issues between acpi-cpufreq and powernow-k8 from Borislav Petkov and Matthew Garrett. - cpufreq support for Calxeda Highbank processors from Mark Langsdorf and Rob Herring. - cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update from Shawn Guo. - cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat, and Inderpal Singh. - Support for "lightweight suspend" from Zhang Rui. - Removal of the deprecated power trace API from Paul Gortmaker. - Assorted updates from Andreas Fleig, Colin Ian King, Davidlohr Bueso, Joseph Salisbury, Kees Cook, Li Fei, Nishanth Menon, ShuoX Liu, Srinivas Pandruvada, Tejun Heo, Thomas Renninger, and Yasuaki Ishimatsu. * tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (267 commits) PM idle: remove global declaration of pm_idle unicore32 idle: delete stray pm_idle comment openrisc idle: delete pm_idle mn10300 idle: delete pm_idle microblaze idle: delete pm_idle m32r idle: delete pm_idle, and other dead idle code ia64 idle: delete pm_idle cris idle: delete idle and pm_idle ARM64 idle: delete pm_idle ARM idle: delete pm_idle blackfin idle: delete pm_idle sparc idle: rename pm_idle to sparc_idle sh idle: rename global pm_idle to static sh_idle x86 idle: rename global pm_idle to static x86_idle APM idle: register apm_cpu_idle via cpuidle cpufreq / intel_pstate: Add kernel command line option disable intel_pstate. cpufreq / intel_pstate: Change to disallow module build tools/power turbostat: display SMI count by default intel_idle: export both C1 and C1E ACPI / hotplug: Fix concurrency issues and memory leaks ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/Kconfig2
-rw-r--r--drivers/Makefile1
-rw-r--r--drivers/acpi/Kconfig2
-rw-r--r--drivers/acpi/Makefile3
-rw-r--r--drivers/acpi/ac.c4
-rw-r--r--drivers/acpi/acpi_memhotplug.c82
-rw-r--r--drivers/acpi/acpi_pad.c3
-rw-r--r--drivers/acpi/acpi_platform.c72
-rw-r--r--drivers/acpi/acpica/Makefile8
-rw-r--r--drivers/acpi/acpica/accommon.h3
-rw-r--r--drivers/acpi/acpica/acdebug.h19
-rw-r--r--drivers/acpi/acpica/acdispat.h2
-rw-r--r--drivers/acpi/acpica/acevents.h23
-rw-r--r--drivers/acpi/acpica/acglobal.h43
-rw-r--r--drivers/acpi/acpica/achware.h2
-rw-r--r--drivers/acpi/acpica/acinterp.h4
-rw-r--r--drivers/acpi/acpica/aclocal.h47
-rw-r--r--drivers/acpi/acpica/acmacros.h173
-rw-r--r--drivers/acpi/acpica/acnamesp.h16
-rw-r--r--drivers/acpi/acpica/acobject.h4
-rw-r--r--drivers/acpi/acpica/acopcode.h2
-rw-r--r--drivers/acpi/acpica/acparser.h27
-rw-r--r--drivers/acpi/acpica/acpredef.h31
-rw-r--r--drivers/acpi/acpica/acresrc.h8
-rw-r--r--drivers/acpi/acpica/acstruct.h2
-rw-r--r--drivers/acpi/acpica/actables.h2
-rw-r--r--drivers/acpi/acpica/acutils.h59
-rw-r--r--drivers/acpi/acpica/amlcode.h2
-rw-r--r--drivers/acpi/acpica/amlresrc.h8
-rw-r--r--drivers/acpi/acpica/dsargs.c2
-rw-r--r--drivers/acpi/acpica/dscontrol.c2
-rw-r--r--drivers/acpi/acpica/dsfield.c2
-rw-r--r--drivers/acpi/acpica/dsinit.c2
-rw-r--r--drivers/acpi/acpica/dsmethod.c8
-rw-r--r--drivers/acpi/acpica/dsmthdat.c2
-rw-r--r--drivers/acpi/acpica/dsobject.c20
-rw-r--r--drivers/acpi/acpica/dsopcode.c16
-rw-r--r--drivers/acpi/acpica/dsutils.c12
-rw-r--r--drivers/acpi/acpica/dswexec.c6
-rw-r--r--drivers/acpi/acpica/dswload.c7
-rw-r--r--drivers/acpi/acpica/dswload2.c4
-rw-r--r--drivers/acpi/acpica/dswscope.c2
-rw-r--r--drivers/acpi/acpica/dswstate.c2
-rw-r--r--drivers/acpi/acpica/evevent.c2
-rw-r--r--drivers/acpi/acpica/evglock.c2
-rw-r--r--drivers/acpi/acpica/evgpe.c14
-rw-r--r--drivers/acpi/acpica/evgpeblk.c24
-rw-r--r--drivers/acpi/acpica/evgpeinit.c5
-rw-r--r--drivers/acpi/acpica/evgpeutil.c2
-rw-r--r--drivers/acpi/acpica/evhandler.c529
-rw-r--r--drivers/acpi/acpica/evmisc.c2
-rw-r--r--drivers/acpi/acpica/evregion.c584
-rw-r--r--drivers/acpi/acpica/evrgnini.c2
-rw-r--r--drivers/acpi/acpica/evsci.c6
-rw-r--r--drivers/acpi/acpica/evxface.c36
-rw-r--r--drivers/acpi/acpica/evxfevnt.c7
-rw-r--r--drivers/acpi/acpica/evxfgpe.c11
-rw-r--r--drivers/acpi/acpica/evxfregn.c2
-rw-r--r--drivers/acpi/acpica/exconfig.c22
-rw-r--r--drivers/acpi/acpica/exconvrt.c4
-rw-r--r--drivers/acpi/acpica/excreate.c2
-rw-r--r--drivers/acpi/acpica/exdebug.c2
-rw-r--r--drivers/acpi/acpica/exdump.c21
-rw-r--r--drivers/acpi/acpica/exfield.c2
-rw-r--r--drivers/acpi/acpica/exfldio.c3
-rw-r--r--drivers/acpi/acpica/exmisc.c2
-rw-r--r--drivers/acpi/acpica/exmutex.c5
-rw-r--r--drivers/acpi/acpica/exnames.c2
-rw-r--r--drivers/acpi/acpica/exoparg1.c10
-rw-r--r--drivers/acpi/acpica/exoparg2.c2
-rw-r--r--drivers/acpi/acpica/exoparg3.c2
-rw-r--r--drivers/acpi/acpica/exoparg6.c2
-rw-r--r--drivers/acpi/acpica/exprep.c6
-rw-r--r--drivers/acpi/acpica/exregion.c25
-rw-r--r--drivers/acpi/acpica/exresnte.c2
-rw-r--r--drivers/acpi/acpica/exresolv.c2
-rw-r--r--drivers/acpi/acpica/exresop.c2
-rw-r--r--drivers/acpi/acpica/exstore.c31
-rw-r--r--drivers/acpi/acpica/exstoren.c4
-rw-r--r--drivers/acpi/acpica/exstorob.c2
-rw-r--r--drivers/acpi/acpica/exsystem.c2
-rw-r--r--drivers/acpi/acpica/exutils.c24
-rw-r--r--drivers/acpi/acpica/hwacpi.c13
-rw-r--r--drivers/acpi/acpica/hwesleep.c3
-rw-r--r--drivers/acpi/acpica/hwgpe.c10
-rw-r--r--drivers/acpi/acpica/hwpci.c2
-rw-r--r--drivers/acpi/acpica/hwregs.c8
-rw-r--r--drivers/acpi/acpica/hwsleep.c8
-rw-r--r--drivers/acpi/acpica/hwtimer.c9
-rw-r--r--drivers/acpi/acpica/hwvalid.c20
-rw-r--r--drivers/acpi/acpica/hwxface.c137
-rw-r--r--drivers/acpi/acpica/hwxfsleep.c13
-rw-r--r--drivers/acpi/acpica/nsaccess.c2
-rw-r--r--drivers/acpi/acpica/nsalloc.c2
-rw-r--r--drivers/acpi/acpica/nsdump.c14
-rw-r--r--drivers/acpi/acpica/nsdumpdv.c3
-rw-r--r--drivers/acpi/acpica/nseval.c2
-rw-r--r--drivers/acpi/acpica/nsinit.c29
-rw-r--r--drivers/acpi/acpica/nsload.c2
-rw-r--r--drivers/acpi/acpica/nsnames.c5
-rw-r--r--drivers/acpi/acpica/nsobject.c2
-rw-r--r--drivers/acpi/acpica/nsparse.c2
-rw-r--r--drivers/acpi/acpica/nspredef.c586
-rw-r--r--drivers/acpi/acpica/nsprepkg.c621
-rw-r--r--drivers/acpi/acpica/nsrepair.c2
-rw-r--r--drivers/acpi/acpica/nsrepair2.c5
-rw-r--r--drivers/acpi/acpica/nssearch.c7
-rw-r--r--drivers/acpi/acpica/nsutils.c88
-rw-r--r--drivers/acpi/acpica/nswalk.c6
-rw-r--r--drivers/acpi/acpica/nsxfeval.c19
-rw-r--r--drivers/acpi/acpica/nsxfname.c20
-rw-r--r--drivers/acpi/acpica/nsxfobj.c2
-rw-r--r--drivers/acpi/acpica/psargs.c9
-rw-r--r--drivers/acpi/acpica/psloop.c623
-rw-r--r--drivers/acpi/acpica/psobject.c647
-rw-r--r--drivers/acpi/acpica/psopcode.c174
-rw-r--r--drivers/acpi/acpica/psopinfo.c223
-rw-r--r--drivers/acpi/acpica/psparse.c2
-rw-r--r--drivers/acpi/acpica/psscope.c2
-rw-r--r--drivers/acpi/acpica/pstree.c2
-rw-r--r--drivers/acpi/acpica/psutils.c10
-rw-r--r--drivers/acpi/acpica/pswalk.c2
-rw-r--r--drivers/acpi/acpica/psxface.c2
-rw-r--r--drivers/acpi/acpica/rsaddr.c2
-rw-r--r--drivers/acpi/acpica/rscalc.c8
-rw-r--r--drivers/acpi/acpica/rscreate.c9
-rw-r--r--drivers/acpi/acpica/rsdump.c424
-rw-r--r--drivers/acpi/acpica/rsdumpinfo.c454
-rw-r--r--drivers/acpi/acpica/rsinfo.c2
-rw-r--r--drivers/acpi/acpica/rsio.c2
-rw-r--r--drivers/acpi/acpica/rsirq.c40
-rw-r--r--drivers/acpi/acpica/rslist.c9
-rw-r--r--drivers/acpi/acpica/rsmemory.c8
-rw-r--r--drivers/acpi/acpica/rsmisc.c76
-rw-r--r--drivers/acpi/acpica/rsserial.c10
-rw-r--r--drivers/acpi/acpica/rsutils.c14
-rw-r--r--drivers/acpi/acpica/rsxface.c107
-rw-r--r--drivers/acpi/acpica/tbfadt.c7
-rw-r--r--drivers/acpi/acpica/tbfind.c2
-rw-r--r--drivers/acpi/acpica/tbinstal.c2
-rw-r--r--drivers/acpi/acpica/tbutils.c4
-rw-r--r--drivers/acpi/acpica/tbxface.c7
-rw-r--r--drivers/acpi/acpica/tbxfload.c4
-rw-r--r--drivers/acpi/acpica/tbxfroot.c2
-rw-r--r--drivers/acpi/acpica/utaddress.c6
-rw-r--r--drivers/acpi/acpica/utalloc.c2
-rw-r--r--drivers/acpi/acpica/utcache.c2
-rw-r--r--drivers/acpi/acpica/utcopy.c6
-rw-r--r--drivers/acpi/acpica/utdebug.c120
-rw-r--r--drivers/acpi/acpica/utdecode.c2
-rw-r--r--drivers/acpi/acpica/utdelete.c70
-rw-r--r--drivers/acpi/acpica/uteval.c4
-rw-r--r--drivers/acpi/acpica/utexcep.c2
-rw-r--r--drivers/acpi/acpica/utglobal.c11
-rw-r--r--drivers/acpi/acpica/utids.c2
-rw-r--r--drivers/acpi/acpica/utinit.c2
-rw-r--r--drivers/acpi/acpica/utlock.c16
-rw-r--r--drivers/acpi/acpica/utmath.c2
-rw-r--r--drivers/acpi/acpica/utmisc.c830
-rw-r--r--drivers/acpi/acpica/utmutex.c2
-rw-r--r--drivers/acpi/acpica/utobject.c4
-rw-r--r--drivers/acpi/acpica/utosi.c2
-rw-r--r--drivers/acpi/acpica/utownerid.c218
-rw-r--r--drivers/acpi/acpica/utresrc.c83
-rw-r--r--drivers/acpi/acpica/utstate.c42
-rw-r--r--drivers/acpi/acpica/utstring.c574
-rw-r--r--drivers/acpi/acpica/uttrack.c18
-rw-r--r--drivers/acpi/acpica/utxface.c6
-rw-r--r--drivers/acpi/acpica/utxferror.c6
-rw-r--r--drivers/acpi/acpica/utxfinit.c2
-rw-r--r--drivers/acpi/acpica/utxfmutex.c2
-rw-r--r--drivers/acpi/battery.c2
-rw-r--r--drivers/acpi/bus.c270
-rw-r--r--drivers/acpi/button.c4
-rw-r--r--drivers/acpi/container.c211
-rw-r--r--drivers/acpi/csrt.c159
-rw-r--r--drivers/acpi/custom_method.c2
-rw-r--r--drivers/acpi/device_pm.c359
-rw-r--r--drivers/acpi/dock.c44
-rw-r--r--drivers/acpi/ec.c2
-rw-r--r--drivers/acpi/fan.c4
-rw-r--r--drivers/acpi/glue.c85
-rw-r--r--drivers/acpi/hed.c2
-rw-r--r--drivers/acpi/internal.h31
-rw-r--r--drivers/acpi/numa.c8
-rw-r--r--drivers/acpi/osl.c2
-rw-r--r--drivers/acpi/pci_bind.c122
-rw-r--r--drivers/acpi/pci_link.c47
-rw-r--r--drivers/acpi/pci_root.c101
-rw-r--r--drivers/acpi/pci_slot.c7
-rw-r--r--drivers/acpi/power.c730
-rw-r--r--drivers/acpi/proc.c9
-rw-r--r--drivers/acpi/processor_driver.c62
-rw-r--r--drivers/acpi/processor_idle.c48
-rw-r--r--drivers/acpi/sbs.c6
-rw-r--r--drivers/acpi/sbshc.c4
-rw-r--r--drivers/acpi/scan.c976
-rw-r--r--drivers/acpi/sleep.c97
-rw-r--r--drivers/acpi/sleep.h2
-rw-r--r--drivers/acpi/sysfs.c2
-rw-r--r--drivers/acpi/tables.c6
-rw-r--r--drivers/acpi/thermal.c10
-rw-r--r--drivers/acpi/video.c8
-rw-r--r--drivers/ata/libata-acpi.c18
-rw-r--r--drivers/base/power/domain.c3
-rw-r--r--drivers/base/power/opp.c19
-rw-r--r--drivers/base/power/wakeup.c6
-rw-r--r--drivers/char/hpet.c2
-rw-r--r--drivers/char/sonypi.c2
-rw-r--r--drivers/clk/Makefile1
-rw-r--r--drivers/clk/clk-highbank.c2
-rw-r--r--drivers/clk/mvebu/clk-gating-ctrl.c1
-rw-r--r--drivers/clk/x86/Makefile2
-rw-r--r--drivers/clk/x86/clk-lpss.c99
-rw-r--r--drivers/clk/x86/clk-lpss.h36
-rw-r--r--drivers/clk/x86/clk-lpt.c86
-rw-r--r--drivers/cpufreq/Kconfig2
-rw-r--r--drivers/cpufreq/Kconfig.arm30
-rw-r--r--drivers/cpufreq/Kconfig.x8613
-rw-r--r--drivers/cpufreq/Makefile11
-rw-r--r--drivers/cpufreq/acpi-cpufreq.c8
-rw-r--r--drivers/cpufreq/cpufreq-cpu0.c42
-rw-r--r--drivers/cpufreq/cpufreq.c460
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c19
-rw-r--r--drivers/cpufreq/cpufreq_governor.c131
-rw-r--r--drivers/cpufreq/cpufreq_governor.h6
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c70
-rw-r--r--drivers/cpufreq/cpufreq_stats.c49
-rw-r--r--drivers/cpufreq/cpufreq_userspace.c2
-rw-r--r--drivers/cpufreq/db8500-cpufreq.c4
-rw-r--r--drivers/cpufreq/exynos-cpufreq.c188
-rw-r--r--drivers/cpufreq/exynos4210-cpufreq.c152
-rw-r--r--drivers/cpufreq/exynos4x12-cpufreq.c388
-rw-r--r--drivers/cpufreq/exynos5250-cpufreq.c178
-rw-r--r--drivers/cpufreq/freq_table.c15
-rw-r--r--drivers/cpufreq/highbank-cpufreq.c120
-rw-r--r--drivers/cpufreq/imx6q-cpufreq.c336
-rw-r--r--drivers/cpufreq/intel_pstate.c823
-rw-r--r--drivers/cpufreq/kirkwood-cpufreq.c259
-rw-r--r--drivers/cpufreq/maple-cpufreq.c2
-rw-r--r--drivers/cpufreq/omap-cpufreq.c4
-rw-r--r--drivers/cpufreq/powernow-k8.c46
-rw-r--r--drivers/cpufreq/spear-cpufreq.c12
-rw-r--r--drivers/cpuidle/cpuidle.c2
-rw-r--r--drivers/hwmon/acpi_power_meter.c2
-rw-r--r--drivers/hwmon/asus_atk0110.c4
-rw-r--r--drivers/i2c/busses/i2c-scmi.c2
-rw-r--r--drivers/idle/intel_idle.c278
-rw-r--r--drivers/input/misc/atlas_btns.c2
-rw-r--r--drivers/mailbox/Kconfig19
-rw-r--r--drivers/mailbox/Makefile1
-rw-r--r--drivers/mailbox/pl320-ipc.c199
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c56
-rw-r--r--drivers/pci/hotplug/sgi_hotplug.c15
-rw-r--r--drivers/pci/pci-acpi.c56
-rw-r--r--drivers/pci/pci.c26
-rw-r--r--drivers/pci/pci.h5
-rw-r--r--drivers/pci/probe.c1
-rw-r--r--drivers/platform/x86/asus-laptop.c2
-rw-r--r--drivers/platform/x86/classmate-laptop.c10
-rw-r--r--drivers/platform/x86/eeepc-laptop.c2
-rw-r--r--drivers/platform/x86/fujitsu-laptop.c4
-rw-r--r--drivers/platform/x86/fujitsu-tablet.c2
-rw-r--r--drivers/platform/x86/hp_accel.c2
-rw-r--r--drivers/platform/x86/ideapad-laptop.c2
-rw-r--r--drivers/platform/x86/intel_menlow.c2
-rw-r--r--drivers/platform/x86/panasonic-laptop.c4
-rw-r--r--drivers/platform/x86/sony-laptop.c4
-rw-r--r--drivers/platform/x86/topstar-laptop.c2
-rw-r--r--drivers/platform/x86/toshiba_acpi.c4
-rw-r--r--drivers/platform/x86/toshiba_bluetooth.c4
-rw-r--r--drivers/platform/x86/wmi.c4
-rw-r--r--drivers/platform/x86/xo15-ebook.c2
-rw-r--r--drivers/pnp/pnpacpi/core.c10
-rw-r--r--drivers/pnp/pnpbios/Kconfig4
-rw-r--r--drivers/staging/quickstart/quickstart.c2
-rw-r--r--drivers/video/backlight/apple_bl.c2
-rw-r--r--drivers/xen/xen-acpi-pad.c3
278 files changed, 9424 insertions, 7101 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig
index f5fb0722a63..2b4e89ba15a 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -134,6 +134,8 @@ source "drivers/hwspinlock/Kconfig"
source "drivers/clocksource/Kconfig"
+source "drivers/mailbox/Kconfig"
+
source "drivers/iommu/Kconfig"
source "drivers/remoteproc/Kconfig"
diff --git a/drivers/Makefile b/drivers/Makefile
index 7863b9fee50..a8d32f1094b 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -130,6 +130,7 @@ obj-y += platform/
#common clk code
obj-y += clk/
+obj-$(CONFIG_MAILBOX) += mailbox/
obj-$(CONFIG_HWSPINLOCK) += hwspinlock/
obj-$(CONFIG_NFC) += nfc/
obj-$(CONFIG_IOMMU_SUPPORT) += iommu/
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 38c5078da11..78105b3a526 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -337,7 +337,7 @@ config X86_PM_TIMER
systems require this timer.
config ACPI_CONTAINER
- tristate "Container and Module Devices (EXPERIMENTAL)"
+ bool "Container and Module Devices (EXPERIMENTAL)"
depends on EXPERIMENTAL
default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO)
help
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 2a4502becd1..474fcfeba66 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -37,7 +37,8 @@ acpi-y += resource.o
acpi-y += processor_core.o
acpi-y += ec.o
acpi-$(CONFIG_ACPI_DOCK) += dock.o
-acpi-y += pci_root.o pci_link.o pci_irq.o pci_bind.o
+acpi-y += pci_root.o pci_link.o pci_irq.o
+acpi-y += csrt.o
acpi-y += acpi_platform.o
acpi-y += power.o
acpi-y += event.o
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index d5fdd36190c..6d5bf649196 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -60,7 +60,7 @@ static int acpi_ac_open_fs(struct inode *inode, struct file *file);
#endif
static int acpi_ac_add(struct acpi_device *device);
-static int acpi_ac_remove(struct acpi_device *device, int type);
+static int acpi_ac_remove(struct acpi_device *device);
static void acpi_ac_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id ac_device_ids[] = {
@@ -337,7 +337,7 @@ static int acpi_ac_resume(struct device *dev)
}
#endif
-static int acpi_ac_remove(struct acpi_device *device, int type)
+static int acpi_ac_remove(struct acpi_device *device)
{
struct acpi_ac *ac = NULL;
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index b679bf8478f..034d3e72aa9 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -54,7 +54,7 @@ MODULE_LICENSE("GPL");
#define MEMORY_POWER_OFF_STATE 2
static int acpi_memory_device_add(struct acpi_device *device);
-static int acpi_memory_device_remove(struct acpi_device *device, int type);
+static int acpi_memory_device_remove(struct acpi_device *device);
static const struct acpi_device_id memory_device_ids[] = {
{ACPI_MEMORY_DEVICE_HID, 0},
@@ -153,51 +153,46 @@ acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
return 0;
}
-static int
-acpi_memory_get_device(acpi_handle handle,
- struct acpi_memory_device **mem_device)
+static int acpi_memory_get_device(acpi_handle handle,
+ struct acpi_memory_device **mem_device)
{
- acpi_status status;
- acpi_handle phandle;
struct acpi_device *device = NULL;
- struct acpi_device *pdevice = NULL;
- int result;
+ int result = 0;
+ acpi_scan_lock_acquire();
- if (!acpi_bus_get_device(handle, &device) && device)
+ acpi_bus_get_device(handle, &device);
+ if (device)
goto end;
- status = acpi_get_parent(handle, &phandle);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Cannot find acpi parent"));
- return -EINVAL;
- }
-
- /* Get the parent device */
- result = acpi_bus_get_device(phandle, &pdevice);
- if (result) {
- acpi_handle_warn(phandle, "Cannot get acpi bus device\n");
- return -EINVAL;
- }
-
/*
* Now add the notified device. This creates the acpi_device
* and invokes .add function
*/
- result = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
+ result = acpi_bus_scan(handle);
if (result) {
- acpi_handle_warn(handle, "Cannot add acpi bus\n");
- return -EINVAL;
+ acpi_handle_warn(handle, "ACPI namespace scan failed\n");
+ result = -EINVAL;
+ goto out;
+ }
+ result = acpi_bus_get_device(handle, &device);
+ if (result) {
+ acpi_handle_warn(handle, "Missing device object\n");
+ result = -EINVAL;
+ goto out;
}
- end:
+ end:
*mem_device = acpi_driver_data(device);
if (!(*mem_device)) {
dev_err(&device->dev, "driver data not found\n");
- return -ENODEV;
+ result = -ENODEV;
+ goto out;
}
- return 0;
+ out:
+ acpi_scan_lock_release();
+ return result;
}
static int acpi_memory_check_device(struct acpi_memory_device *mem_device)
@@ -317,6 +312,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
struct acpi_device *device;
struct acpi_eject_event *ej_event = NULL;
u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */
+ acpi_status status;
switch (event) {
case ACPI_NOTIFY_BUS_CHECK:
@@ -339,29 +335,40 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"\nReceived EJECT REQUEST notification for device\n"));
+ status = AE_ERROR;
+ acpi_scan_lock_acquire();
+
if (acpi_bus_get_device(handle, &device)) {
acpi_handle_err(handle, "Device doesn't exist\n");
- break;
+ goto unlock;
}
mem_device = acpi_driver_data(device);
if (!mem_device) {
acpi_handle_err(handle, "Driver Data is NULL\n");
- break;
+ goto unlock;
}
ej_event = kmalloc(sizeof(*ej_event), GFP_KERNEL);
if (!ej_event) {
pr_err(PREFIX "No memory, dropping EJECT\n");
- break;
+ goto unlock;
}
- ej_event->handle = handle;
+ get_device(&device->dev);
+ ej_event->device = device;
ej_event->event = ACPI_NOTIFY_EJECT_REQUEST;
- acpi_os_hotplug_execute(acpi_bus_hot_remove_device,
- (void *)ej_event);
+ /* The eject is carried out asynchronously. */
+ status = acpi_os_hotplug_execute(acpi_bus_hot_remove_device,
+ ej_event);
+ if (ACPI_FAILURE(status)) {
+ put_device(&device->dev);
+ kfree(ej_event);
+ }
- /* eject is performed asynchronously */
- return;
+ unlock:
+ acpi_scan_lock_release();
+ if (ACPI_SUCCESS(status))
+ return;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
@@ -372,7 +379,6 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
/* Inform firmware that the hotplug operation has completed */
(void) acpi_evaluate_hotplug_ost(handle, event, ost_code, NULL);
- return;
}
static void acpi_memory_device_free(struct acpi_memory_device *mem_device)
@@ -427,7 +433,7 @@ static int acpi_memory_device_add(struct acpi_device *device)
return result;
}
-static int acpi_memory_device_remove(struct acpi_device *device, int type)
+static int acpi_memory_device_remove(struct acpi_device *device)
{
struct acpi_memory_device *mem_device = NULL;
int result;
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 16fa979f718..31de1043eea 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -482,8 +482,7 @@ static int acpi_pad_add(struct acpi_device *device)
return 0;
}
-static int acpi_pad_remove(struct acpi_device *device,
- int type)
+static int acpi_pad_remove(struct acpi_device *device)
{
mutex_lock(&isolated_cpus_lock);
acpi_pad_idle_cpus(0);
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index db129b9f52c..26fce4b8a63 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -13,6 +13,7 @@
#include <linux/acpi.h>
#include <linux/device.h>
+#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
@@ -21,18 +22,59 @@
ACPI_MODULE_NAME("platform");
+/* Flags for acpi_create_platform_device */
+#define ACPI_PLATFORM_CLK BIT(0)
+
+/*
+ * The following ACPI IDs are known to be suitable for representing as
+ * platform devices.
+ */
+static const struct acpi_device_id acpi_platform_device_ids[] = {
+
+ { "PNP0D40" },
+
+ /* Haswell LPSS devices */
+ { "INT33C0", ACPI_PLATFORM_CLK },
+ { "INT33C1", ACPI_PLATFORM_CLK },
+ { "INT33C2", ACPI_PLATFORM_CLK },
+ { "INT33C3", ACPI_PLATFORM_CLK },
+ { "INT33C4", ACPI_PLATFORM_CLK },
+ { "INT33C5", ACPI_PLATFORM_CLK },
+ { "INT33C6", ACPI_PLATFORM_CLK },
+ { "INT33C7", ACPI_PLATFORM_CLK },
+
+ { }
+};
+
+static int acpi_create_platform_clks(struct acpi_device *adev)
+{
+ static struct platform_device *pdev;
+
+ /* Create Lynxpoint LPSS clocks */
+ if (!pdev && !strncmp(acpi_device_hid(adev), "INT33C", 6)) {
+ pdev = platform_device_register_simple("clk-lpt", -1, NULL, 0);
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
+ }
+
+ return 0;
+}
+
/**
* acpi_create_platform_device - Create platform device for ACPI device node
* @adev: ACPI device node to create a platform device for.
+ * @id: ACPI device ID used to match @adev.
*
* Check if the given @adev can be represented as a platform device and, if
* that's the case, create and register a platform device, populate its common
* resources and returns a pointer to it. Otherwise, return %NULL.
*
- * The platform device's name will be taken from the @adev's _HID and _UID.
+ * Name of the platform device will be the same as @adev's.
*/
-struct platform_device *acpi_create_platform_device(struct acpi_device *adev)
+static int acpi_create_platform_device(struct acpi_device *adev,
+ const struct acpi_device_id *id)
{
+ unsigned long flags = id->driver_data;
struct platform_device *pdev = NULL;
struct acpi_device *acpi_parent;
struct platform_device_info pdevinfo;
@@ -41,20 +83,28 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev)
struct resource *resources;
int count;
+ if (flags & ACPI_PLATFORM_CLK) {
+ int ret = acpi_create_platform_clks(adev);
+ if (ret) {
+ dev_err(&adev->dev, "failed to create clocks\n");
+ return ret;
+ }
+ }
+
/* If the ACPI node already has a physical device attached, skip it. */
if (adev->physical_node_count)
- return NULL;
+ return 0;
INIT_LIST_HEAD(&resource_list);
count = acpi_dev_get_resources(adev, &resource_list, NULL, NULL);
if (count <= 0)
- return NULL;
+ return 0;
resources = kmalloc(count * sizeof(struct resource), GFP_KERNEL);
if (!resources) {
dev_err(&adev->dev, "No memory for resources\n");
acpi_dev_free_resource_list(&resource_list);
- return NULL;
+ return -ENOMEM;
}
count = 0;
list_for_each_entry(rentry, &resource_list, node)
@@ -100,5 +150,15 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev)
}
kfree(resources);
- return pdev;
+ return 1;
+}
+
+static struct acpi_scan_handler platform_handler = {
+ .ids = acpi_platform_device_ids,
+ .attach = acpi_create_platform_device,
+};
+
+void __init acpi_platform_init(void)
+{
+ acpi_scan_add_handler(&platform_handler);
}
diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile
index bc7a03ded06..a1b9bf5085a 100644
--- a/drivers/acpi/acpica/Makefile
+++ b/drivers/acpi/acpica/Makefile
@@ -31,6 +31,7 @@ acpi-y += \
evgpeinit.o \
evgpeutil.o \
evglock.o \
+ evhandler.o \
evmisc.o \
evregion.o \
evrgnini.o \
@@ -90,6 +91,7 @@ acpi-y += \
nsobject.o \
nsparse.o \
nspredef.o \
+ nsprepkg.o \
nsrepair.o \
nsrepair2.o \
nssearch.o \
@@ -104,7 +106,9 @@ acpi-$(ACPI_FUTURE_USAGE) += nsdumpdv.o
acpi-y += \
psargs.o \
psloop.o \
+ psobject.o \
psopcode.o \
+ psopinfo.o \
psparse.o \
psscope.o \
pstree.o \
@@ -126,7 +130,7 @@ acpi-y += \
rsutils.o \
rsxface.o
-acpi-$(ACPI_FUTURE_USAGE) += rsdump.o
+acpi-$(ACPI_FUTURE_USAGE) += rsdump.o rsdumpinfo.o
acpi-y += \
tbfadt.o \
@@ -155,8 +159,10 @@ acpi-y += \
utmutex.o \
utobject.o \
utosi.o \
+ utownerid.o \
utresrc.o \
utstate.o \
+ utstring.o \
utxface.o \
utxfinit.o \
utxferror.o \
diff --git a/drivers/acpi/acpica/accommon.h b/drivers/acpi/acpica/accommon.h
index 8a7d51bfb3b..8a6c4a0d22d 100644
--- a/drivers/acpi/acpica/accommon.h
+++ b/drivers/acpi/acpica/accommon.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -51,6 +51,7 @@
*
* Note: The order of these include files is important.
*/
+#include <acpi/acconfig.h> /* Global configuration constants */
#include "acmacros.h" /* C macros */
#include "aclocal.h" /* Internal data types */
#include "acobject.h" /* ACPI internal object */
diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h
index 432a318c9ed..9feba08c29f 100644
--- a/drivers/acpi/acpica/acdebug.h
+++ b/drivers/acpi/acpica/acdebug.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -115,6 +115,21 @@ ACPI_HW_DEPENDENT_RETURN_VOID(void
char *block_arg))
/*
+ * dbconvert - miscellaneous conversion routines
+ */
+ acpi_status acpi_db_hex_char_to_value(int hex_char, u8 *return_value);
+
+acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object);
+
+acpi_status
+acpi_db_convert_to_object(acpi_object_type type,
+ char *string, union acpi_object *object);
+
+u8 *acpi_db_encode_pld_buffer(struct acpi_pld_info *pld_info);
+
+void acpi_db_dump_pld_buffer(union acpi_object *obj_desc);
+
+/*
* dbmethod - control method commands
*/
void
@@ -191,6 +206,8 @@ void
acpi_db_create_execution_threads(char *num_threads_arg,
char *num_loops_arg, char *method_name_arg);
+void acpi_db_delete_objects(u32 count, union acpi_object *objects);
+
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
u32 acpi_db_get_cache_info(struct acpi_memory_list *cache);
#endif
diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h
index ed33ebcdaeb..427db72a630 100644
--- a/drivers/acpi/acpica/acdispat.h
+++ b/drivers/acpi/acpica/acdispat.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h
index e975c672044..ab0e9771038 100644
--- a/drivers/acpi/acpica/acevents.h
+++ b/drivers/acpi/acpica/acevents.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -158,10 +158,23 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
void *context);
/*
- * evregion - Address Space handling
+ * evhandler - Address space handling
*/
+u8
+acpi_ev_has_default_handler(struct acpi_namespace_node *node,
+ acpi_adr_space_type space_id);
+
acpi_status acpi_ev_install_region_handlers(void);
+acpi_status
+acpi_ev_install_space_handler(struct acpi_namespace_node *node,
+ acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler,
+ acpi_adr_space_setup setup, void *context);
+
+/*
+ * evregion - Operation region support
+ */
acpi_status acpi_ev_initialize_op_regions(void);
acpi_status
@@ -180,12 +193,6 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
u8 acpi_ns_is_locked);
acpi_status
-acpi_ev_install_space_handler(struct acpi_namespace_node *node,
- acpi_adr_space_type space_id,
- acpi_adr_space_handler handler,
- acpi_adr_space_setup setup, void *context);
-
-acpi_status
acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
acpi_adr_space_type space_id);
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 64472e4ec32..ecb49927b81 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -192,14 +192,6 @@ ACPI_EXTERN u8 acpi_gbl_integer_bit_width;
ACPI_EXTERN u8 acpi_gbl_integer_byte_width;
ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;
-/* Mutex for _OSI support */
-
-ACPI_EXTERN acpi_mutex acpi_gbl_osi_mutex;
-
-/* Reader/Writer lock is used for namespace walk and dynamic table unload */
-
-ACPI_EXTERN struct acpi_rw_lock acpi_gbl_namespace_rw_lock;
-
/*****************************************************************************
*
* Mutual exclusion within ACPICA subsystem
@@ -233,6 +225,14 @@ ACPI_EXTERN u8 acpi_gbl_global_lock_pending;
ACPI_EXTERN acpi_spinlock acpi_gbl_gpe_lock; /* For GPE data structs and registers */
ACPI_EXTERN acpi_spinlock acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */
+/* Mutex for _OSI support */
+
+ACPI_EXTERN acpi_mutex acpi_gbl_osi_mutex;
+
+/* Reader/Writer lock is used for namespace walk and dynamic table unload */
+
+ACPI_EXTERN struct acpi_rw_lock acpi_gbl_namespace_rw_lock;
+
/*****************************************************************************
*
* Miscellaneous globals
@@ -252,7 +252,7 @@ ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache;
ACPI_EXTERN struct acpi_global_notify_handler acpi_gbl_global_notify[2];
ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler;
-ACPI_EXTERN acpi_tbl_handler acpi_gbl_table_handler;
+ACPI_EXTERN acpi_table_handler acpi_gbl_table_handler;
ACPI_EXTERN void *acpi_gbl_table_handler_context;
ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
ACPI_EXTERN acpi_interface_handler acpi_gbl_interface_handler;
@@ -304,6 +304,7 @@ extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats;
+ACPI_EXTERN u8 acpi_gbl_disable_mem_tracking;
#endif
/*****************************************************************************
@@ -365,19 +366,18 @@ ACPI_EXTERN u8 acpi_gbl_sleep_type_b;
*
****************************************************************************/
-extern struct acpi_fixed_event_info
- acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
-ACPI_EXTERN struct acpi_fixed_event_handler
- acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
-ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
-ACPI_EXTERN struct acpi_gpe_block_info
-*acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
-
#if (!ACPI_REDUCED_HARDWARE)
ACPI_EXTERN u8 acpi_gbl_all_gpes_initialized;
+ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
+ACPI_EXTERN struct acpi_gpe_block_info
+ *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
ACPI_EXTERN acpi_gbl_event_handler acpi_gbl_global_event_handler;
ACPI_EXTERN void *acpi_gbl_global_event_handler_context;
+ACPI_EXTERN struct acpi_fixed_event_handler
+ acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
+extern struct acpi_fixed_event_info
+ acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
#endif /* !ACPI_REDUCED_HARDWARE */
@@ -405,7 +405,7 @@ ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
/*****************************************************************************
*
- * Debugger globals
+ * Debugger and Disassembler globals
*
****************************************************************************/
@@ -413,8 +413,12 @@ ACPI_EXTERN u8 acpi_gbl_db_output_flags;
#ifdef ACPI_DISASSEMBLER
+u8 ACPI_INIT_GLOBAL(acpi_gbl_ignore_noop_operator, FALSE);
+
ACPI_EXTERN u8 acpi_gbl_db_opt_disasm;
ACPI_EXTERN u8 acpi_gbl_db_opt_verbose;
+ACPI_EXTERN struct acpi_external_list *acpi_gbl_external_list;
+ACPI_EXTERN struct acpi_external_file *acpi_gbl_external_file_list;
#endif
#ifdef ACPI_DEBUGGER
@@ -426,6 +430,7 @@ extern u8 acpi_gbl_db_terminate_threads;
ACPI_EXTERN u8 acpi_gbl_db_opt_tables;
ACPI_EXTERN u8 acpi_gbl_db_opt_stats;
ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods;
+ACPI_EXTERN u8 acpi_gbl_db_opt_no_region_support;
ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS];
ACPI_EXTERN acpi_object_type acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS];
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index d902d31abc6..6357e932bfd 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h
index eb308635da7..8af8c9bdeb3 100644
--- a/drivers/acpi/acpica/acinterp.h
+++ b/drivers/acpi/acpica/acinterp.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -458,7 +458,7 @@ void acpi_ex_reacquire_interpreter(void);
void acpi_ex_relinquish_interpreter(void);
-void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
+u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
void acpi_ex_acquire_global_lock(u32 rule);
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index ff8bd0061e8..805f419086a 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -189,11 +189,10 @@ struct acpi_namespace_node {
#define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */
#define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */
-#define ANOBJ_IS_EXTERNAL 0x08 /* i_aSL only: This object created via External() */
-#define ANOBJ_METHOD_NO_RETVAL 0x10 /* i_aSL only: Method has no return value */
-#define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* i_aSL only: Method has at least one return value */
-#define ANOBJ_IS_BIT_OFFSET 0x40 /* i_aSL only: Reference is a bit offset */
-#define ANOBJ_IS_REFERENCED 0x80 /* i_aSL only: Object was referenced */
+#define ANOBJ_IS_EXTERNAL 0x08 /* iASL only: This object created via External() */
+#define ANOBJ_METHOD_NO_RETVAL 0x10 /* iASL only: Method has no return value */
+#define ANOBJ_METHOD_SOME_NO_RETVAL 0x20 /* iASL only: Method has at least one return value */
+#define ANOBJ_IS_REFERENCED 0x80 /* iASL only: Object was referenced */
/* Internal ACPI table management - master table list */
@@ -411,11 +410,10 @@ struct acpi_gpe_notify_info {
struct acpi_gpe_notify_info *next;
};
-struct acpi_gpe_notify_object {
- struct acpi_namespace_node *node;
- struct acpi_gpe_notify_object *next;
-};
-
+/*
+ * GPE dispatch info. At any time, the GPE can have at most one type
+ * of dispatch - Method, Handler, or Implicit Notify.
+ */
union acpi_gpe_dispatch_info {
struct acpi_namespace_node *method_node; /* Method node for this GPE level */
struct acpi_gpe_handler_info *handler; /* Installed GPE handler */
@@ -679,6 +677,8 @@ struct acpi_opcode_info {
u8 type; /* Opcode type */
};
+/* Value associated with the parse object */
+
union acpi_parse_value {
u64 integer; /* Integer constant (Up to 64 bits) */
u32 size; /* bytelist or field size */
@@ -1025,6 +1025,31 @@ struct acpi_port_info {
/*****************************************************************************
*
+ * Disassembler
+ *
+ ****************************************************************************/
+
+struct acpi_external_list {
+ char *path;
+ char *internal_path;
+ struct acpi_external_list *next;
+ u32 value;
+ u16 length;
+ u8 type;
+ u8 flags;
+};
+
+/* Values for Flags field above */
+
+#define ACPI_IPATH_ALLOCATED 0x01
+
+struct acpi_external_file {
+ char *path;
+ struct acpi_external_file *next;
+};
+
+/*****************************************************************************
+ *
* Debugger
*
****************************************************************************/
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
index 5efad99f216..ed7943b9044 100644
--- a/drivers/acpi/acpica/acmacros.h
+++ b/drivers/acpi/acpica/acmacros.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -49,14 +49,18 @@
* get into potential aligment issues -- see the STORE macros below.
* Use with care.
*/
-#define ACPI_GET8(ptr) *ACPI_CAST_PTR (u8, ptr)
-#define ACPI_GET16(ptr) *ACPI_CAST_PTR (u16, ptr)
-#define ACPI_GET32(ptr) *ACPI_CAST_PTR (u32, ptr)
-#define ACPI_GET64(ptr) *ACPI_CAST_PTR (u64, ptr)
-#define ACPI_SET8(ptr) *ACPI_CAST_PTR (u8, ptr)
-#define ACPI_SET16(ptr) *ACPI_CAST_PTR (u16, ptr)
-#define ACPI_SET32(ptr) *ACPI_CAST_PTR (u32, ptr)
-#define ACPI_SET64(ptr) *ACPI_CAST_PTR (u64, ptr)
+#define ACPI_CAST8(ptr) ACPI_CAST_PTR (u8, (ptr))
+#define ACPI_CAST16(ptr) ACPI_CAST_PTR (u16, (ptr))
+#define ACPI_CAST32(ptr) ACPI_CAST_PTR (u32, (ptr))
+#define ACPI_CAST64(ptr) ACPI_CAST_PTR (u64, (ptr))
+#define ACPI_GET8(ptr) (*ACPI_CAST8 (ptr))
+#define ACPI_GET16(ptr) (*ACPI_CAST16 (ptr))
+#define ACPI_GET32(ptr) (*ACPI_CAST32 (ptr))
+#define ACPI_GET64(ptr) (*ACPI_CAST64 (ptr))
+#define ACPI_SET8(ptr, val) (*ACPI_CAST8 (ptr) = (u8) (val))
+#define ACPI_SET16(ptr, val) (*ACPI_CAST16 (ptr) = (u16) (val))
+#define ACPI_SET32(ptr, val) (*ACPI_CAST32 (ptr) = (u32) (val))
+#define ACPI_SET64(ptr, val) (*ACPI_CAST64 (ptr) = (u64) (val))
/*
* printf() format helpers
@@ -293,6 +297,26 @@
#define ACPI_16BIT_MASK 0x0000FFFF
#define ACPI_24BIT_MASK 0x00FFFFFF
+/* Macros to extract flag bits from position zero */
+
+#define ACPI_GET_1BIT_FLAG(value) ((value) & ACPI_1BIT_MASK)
+#define ACPI_GET_2BIT_FLAG(value) ((value) & ACPI_2BIT_MASK)
+#define ACPI_GET_3BIT_FLAG(value) ((value) & ACPI_3BIT_MASK)
+#define ACPI_GET_4BIT_FLAG(value) ((value) & ACPI_4BIT_MASK)
+
+/* Macros to extract flag bits from position one and above */
+
+#define ACPI_EXTRACT_1BIT_FLAG(field, position) (ACPI_GET_1BIT_FLAG ((field) >> position))
+#define ACPI_EXTRACT_2BIT_FLAG(field, position) (ACPI_GET_2BIT_FLAG ((field) >> position))
+#define ACPI_EXTRACT_3BIT_FLAG(field, position) (ACPI_GET_3BIT_FLAG ((field) >> position))
+#define ACPI_EXTRACT_4BIT_FLAG(field, position) (ACPI_GET_4BIT_FLAG ((field) >> position))
+
+/* ACPI Pathname helpers */
+
+#define ACPI_IS_ROOT_PREFIX(c) ((c) == (u8) 0x5C) /* Backslash */
+#define ACPI_IS_PARENT_PREFIX(c) ((c) == (u8) 0x5E) /* Carat */
+#define ACPI_IS_PATH_SEPARATOR(c) ((c) == (u8) 0x2E) /* Period (dot) */
+
/*
* An object of type struct acpi_namespace_node can appear in some contexts
* where a pointer to an object of type union acpi_operand_object can also
@@ -364,137 +388,6 @@
#endif /* ACPI_NO_ERROR_MESSAGES */
-/*
- * Debug macros that are conditionally compiled
- */
-#ifdef ACPI_DEBUG_OUTPUT
-/*
- * Function entry tracing
- */
-#define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \
- acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
-#define ACPI_FUNCTION_TRACE_PTR(a, b) ACPI_FUNCTION_NAME(a) \
- acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS, (void *)b)
-#define ACPI_FUNCTION_TRACE_U32(a, b) ACPI_FUNCTION_NAME(a) \
- acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS, (u32)b)
-#define ACPI_FUNCTION_TRACE_STR(a, b) ACPI_FUNCTION_NAME(a) \
- acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS, (char *)b)
-
-#define ACPI_FUNCTION_ENTRY() acpi_ut_track_stack_ptr()
-
-/*
- * Function exit tracing.
- * WARNING: These macros include a return statement. This is usually considered
- * bad form, but having a separate exit macro is very ugly and difficult to maintain.
- * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
- * so that "_AcpiFunctionName" is defined.
- *
- * Note: the DO_WHILE0 macro is used to prevent some compilers from complaining
- * about these constructs.
- */
-#ifdef ACPI_USE_DO_WHILE_0
-#define ACPI_DO_WHILE0(a) do a while(0)
-#else
-#define ACPI_DO_WHILE0(a) a
-#endif
-
-#define return_VOID ACPI_DO_WHILE0 ({ \
- acpi_ut_exit (ACPI_DEBUG_PARAMETERS); \
- return;})
-/*
- * There are two versions of most of the return macros. The default version is
- * safer, since it avoids side-effects by guaranteeing that the argument will
- * not be evaluated twice.
- *
- * A less-safe version of the macros is provided for optional use if the
- * compiler uses excessive CPU stack (for example, this may happen in the
- * debug case if code optimzation is disabled.)
- */
-#ifndef ACPI_SIMPLE_RETURN_MACROS
-
-#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
- register acpi_status _s = (s); \
- acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, _s); \
- return (_s); })
-#define return_PTR(s) ACPI_DO_WHILE0 ({ \
- register void *_s = (void *) (s); \
- acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) _s); \
- return (_s); })
-#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
- register u64 _s = (s); \
- acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, _s); \
- return (_s); })
-#define return_UINT8(s) ACPI_DO_WHILE0 ({ \
- register u8 _s = (u8) (s); \
- acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) _s); \
- return (_s); })
-#define return_UINT32(s) ACPI_DO_WHILE0 ({ \
- register u32 _s = (u32) (s); \
- acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) _s); \
- return (_s); })
-#else /* Use original less-safe macros */
-
-#define return_ACPI_STATUS(s) ACPI_DO_WHILE0 ({ \
- acpi_ut_status_exit (ACPI_DEBUG_PARAMETERS, (s)); \
- return((s)); })
-#define return_PTR(s) ACPI_DO_WHILE0 ({ \
- acpi_ut_ptr_exit (ACPI_DEBUG_PARAMETERS, (u8 *) (s)); \
- return((s)); })
-#define return_VALUE(s) ACPI_DO_WHILE0 ({ \
- acpi_ut_value_exit (ACPI_DEBUG_PARAMETERS, (u64) (s)); \
- return((s)); })
-#define return_UINT8(s) return_VALUE(s)
-#define return_UINT32(s) return_VALUE(s)
-
-#endif /* ACPI_SIMPLE_RETURN_MACROS */
-
-/* Conditional execution */
-
-#define ACPI_DEBUG_EXEC(a) a
-#define ACPI_DEBUG_ONLY_MEMBERS(a) a;
-#define _VERBOSE_STRUCTURES
-
-/* Various object display routines for debug */
-
-#define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a), 0)
-#define ACPI_DUMP_OPERANDS(a, b ,c) acpi_ex_dump_operands(a, b, c)
-#define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b)
-#define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d)
-#define ACPI_DUMP_BUFFER(a, b) acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT)
-
-#else
-/*
- * This is the non-debug case -- make everything go away,
- * leaving no executable debug code!
- */
-#define ACPI_DEBUG_EXEC(a)
-#define ACPI_DEBUG_ONLY_MEMBERS(a)
-#define ACPI_FUNCTION_TRACE(a)
-#define ACPI_FUNCTION_TRACE_PTR(a, b)
-#define ACPI_FUNCTION_TRACE_U32(a, b)
-#define ACPI_FUNCTION_TRACE_STR(a, b)
-#define ACPI_FUNCTION_EXIT
-#define ACPI_FUNCTION_STATUS_EXIT(s)
-#define ACPI_FUNCTION_VALUE_EXIT(s)
-#define ACPI_FUNCTION_ENTRY()
-#define ACPI_DUMP_STACK_ENTRY(a)
-#define ACPI_DUMP_OPERANDS(a, b, c)
-#define ACPI_DUMP_ENTRY(a, b)
-#define ACPI_DUMP_TABLES(a, b)
-#define ACPI_DUMP_PATHNAME(a, b, c, d)
-#define ACPI_DUMP_BUFFER(a, b)
-#define ACPI_DEBUG_PRINT(pl)
-#define ACPI_DEBUG_PRINT_RAW(pl)
-
-#define return_VOID return
-#define return_ACPI_STATUS(s) return(s)
-#define return_VALUE(s) return(s)
-#define return_UINT8(s) return(s)
-#define return_UINT32(s) return(s)
-#define return_PTR(s) return(s)
-
-#endif /* ACPI_DEBUG_OUTPUT */
-
#if (!ACPI_REDUCED_HARDWARE)
#define ACPI_HW_OPTIONAL_FUNCTION(addr) addr
#else
diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h
index 9b19d4b8642..02cd5482ff8 100644
--- a/drivers/acpi/acpica/acnamesp.h
+++ b/drivers/acpi/acpica/acnamesp.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -218,6 +218,18 @@ acpi_ns_check_parameter_count(char *pathname,
u32 user_param_count,
const union acpi_predefined_info *info);
+acpi_status
+acpi_ns_check_object_type(struct acpi_predefined_data *data,
+ union acpi_operand_object **return_object_ptr,
+ u32 expected_btypes, u32 package_index);
+
+/*
+ * nsprepkg - Validation of predefined name packages
+ */
+acpi_status
+acpi_ns_check_package(struct acpi_predefined_data *data,
+ union acpi_operand_object **return_object_ptr);
+
/*
* nsnames - Name and Scope manipulation
*/
@@ -333,8 +345,6 @@ acpi_ns_install_node(struct acpi_walk_state *walk_state,
/*
* nsutils - Utility functions
*/
-u8 acpi_ns_valid_root_prefix(char prefix);
-
acpi_object_type acpi_ns_get_type(struct acpi_namespace_node *node);
u32 acpi_ns_local(acpi_object_type type);
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index 24eb9eac951..cc7ab6dd724 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -307,7 +307,7 @@ struct acpi_object_addr_handler {
struct acpi_namespace_node *node; /* Parent device */
void *context;
acpi_adr_space_setup setup;
- union acpi_operand_object *region_list; /* regions using this handler */
+ union acpi_operand_object *region_list; /* Regions using this handler */
union acpi_operand_object *next;
};
diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h
index d786a5128b7..3fc9ca7e8aa 100644
--- a/drivers/acpi/acpica/acopcode.h
+++ b/drivers/acpi/acpica/acopcode.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h
index eefcf47a61a..aed31931883 100644
--- a/drivers/acpi/acpica/acparser.h
+++ b/drivers/acpi/acpica/acparser.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -105,7 +105,28 @@ union acpi_parse_object *acpi_ps_find_name(union acpi_parse_object *scope,
union acpi_parse_object *acpi_ps_get_parent(union acpi_parse_object *op);
/*
- * psopcode - AML Opcode information
+ * psobject - support for parse object processing
+ */
+acpi_status
+acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
+ u8 *aml_op_start,
+ union acpi_parse_object *unnamed_op,
+ union acpi_parse_object **op);
+
+acpi_status
+acpi_ps_create_op(struct acpi_walk_state *walk_state,
+ u8 *aml_op_start, union acpi_parse_object **new_op);
+
+acpi_status
+acpi_ps_complete_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **op, acpi_status status);
+
+acpi_status
+acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op, acpi_status status);
+
+/*
+ * psopinfo - AML Opcode information
*/
const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode);
@@ -211,8 +232,6 @@ void acpi_ps_free_op(union acpi_parse_object *op);
u8 acpi_ps_is_leading_char(u32 c);
-u8 acpi_ps_is_prefix_char(u32 c);
-
#ifdef ACPI_FUTURE_USAGE
u32 acpi_ps_get_name(union acpi_parse_object *op);
#endif /* ACPI_FUTURE_USAGE */
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index 9dfa1c83bd4..752cc40cdc1 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -1,12 +1,11 @@
/******************************************************************************
*
* Name: acpredef - Information table for ACPI predefined methods and objects
- * $Revision: 1.1 $
*
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -51,13 +50,13 @@
*
* 1) PTYPE1 packages do not contain sub-packages.
*
- * ACPI_PTYPE1_FIXED: Fixed length, 1 or 2 object types:
+ * ACPI_PTYPE1_FIXED: Fixed-length length, 1 or 2 object types:
* object type
* count
* object type
* count
*
- * ACPI_PTYPE1_VAR: Variable length:
+ * ACPI_PTYPE1_VAR: Variable-length length:
* object type (Int/Buf/Ref)
*
* ACPI_PTYPE1_OPTION: Package has some required and some optional elements
@@ -85,10 +84,10 @@
* count
* (Used for _CST)
*
- * ACPI_PTYPE2_FIXED: Each subpackage is of fixed length
+ * ACPI_PTYPE2_FIXED: Each subpackage is of Fixed-length
* (Used for _PRT)
*
- * ACPI_PTYPE2_MIN: Each subpackage has a variable but minimum length
+ * ACPI_PTYPE2_MIN: Each subpackage has a Variable-length but minimum length
* (Used for _HPX)
*
* ACPI_PTYPE2_REV_FIXED: Revision at start, each subpackage is Fixed-length
@@ -124,7 +123,8 @@ enum acpi_return_package_types {
* These are the names that can actually be evaluated via acpi_evaluate_object.
* Not present in this table are the following:
*
- * 1) Predefined/Reserved names that are never evaluated via acpi_evaluate_object:
+ * 1) Predefined/Reserved names that are never evaluated via
+ * acpi_evaluate_object:
* _Lxx and _Exx GPE methods
* _Qxx EC methods
* _T_x compiler temporary variables
@@ -149,6 +149,8 @@ enum acpi_return_package_types {
* information about the expected structure of the package. This information
* is saved here (rather than in a separate table) in order to minimize the
* overall size of the stored data.
+ *
+ * Note: The additional braces are intended to promote portability.
*/
static const union acpi_predefined_info predefined_names[] = {
{{"_AC0", 0, ACPI_RTYPE_INTEGER}},
@@ -212,9 +214,8 @@ static const union acpi_predefined_info predefined_names[] = {
{{"_BCT", 1, ACPI_RTYPE_INTEGER}},
{{"_BDN", 0, ACPI_RTYPE_INTEGER}},
{{"_BFS", 1, 0}},
- {{"_BIF", 0, ACPI_RTYPE_PACKAGE} }, /* Fixed-length (9 Int),(4 Str/Buf) */
- {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 9,
- ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER}, 4, 0} },
+ {{"_BIF", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (9 Int),(4 Str) */
+ {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 9, ACPI_RTYPE_STRING}, 4, 0}},
{{"_BIX", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (16 Int),(4 Str) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16, ACPI_RTYPE_STRING}, 4,
@@ -236,7 +237,8 @@ static const union acpi_predefined_info predefined_names[] = {
{{"_CBA", 0, ACPI_RTYPE_INTEGER}}, /* See PCI firmware spec 3.0 */
{{"_CDM", 0, ACPI_RTYPE_INTEGER}},
{{"_CID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints/Strs) */
- {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0,0}, 0,0}},
+ {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0, 0}, 0,
+ 0}},
{{"_CLS", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (3 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0}, 0, 0}},
@@ -251,7 +253,8 @@ static const union acpi_predefined_info predefined_names[] = {
{{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER, 0,0}, 0,0}},
{{"_CST", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n Pkg (1 Buf/3 Int) */
- {{{ACPI_PTYPE2_PKG_COUNT,ACPI_RTYPE_BUFFER, 1, ACPI_RTYPE_INTEGER}, 3,0}},
+ {{{ACPI_PTYPE2_PKG_COUNT, ACPI_RTYPE_BUFFER, 1, ACPI_RTYPE_INTEGER}, 3,
+ 0}},
{{"_CWS", 1, ACPI_RTYPE_INTEGER}},
{{"_DCK", 1, ACPI_RTYPE_INTEGER}},
@@ -342,8 +345,8 @@ static const union acpi_predefined_info predefined_names[] = {
{{"_MBM", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (8 Int) */
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 8, 0}, 0, 0}},
- {{"_MLS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (2 Str) */
- {{{ACPI_PTYPE2, ACPI_RTYPE_STRING, 2,0}, 0,0}},
+ {{"_MLS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (1 Str/1 Buf) */
+ {{{ACPI_PTYPE2, ACPI_RTYPE_STRING, 1, ACPI_RTYPE_BUFFER}, 1, 0}},
{{"_MSG", 1, 0}},
{{"_MSM", 4, ACPI_RTYPE_INTEGER}},
diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h
index 0347d099349..f691d0e4d9f 100644
--- a/drivers/acpi/acpica/acresrc.h
+++ b/drivers/acpi/acpica/acresrc.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -347,18 +347,21 @@ extern struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[];
extern struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[];
/*
- * rsdump
+ * rsdumpinfo
*/
extern struct acpi_rsdump_info acpi_rs_dump_irq[];
+extern struct acpi_rsdump_info acpi_rs_dump_prt[];
extern struct acpi_rsdump_info acpi_rs_dump_dma[];
extern struct acpi_rsdump_info acpi_rs_dump_start_dpf[];
extern struct acpi_rsdump_info acpi_rs_dump_end_dpf[];
extern struct acpi_rsdump_info acpi_rs_dump_io[];
+extern struct acpi_rsdump_info acpi_rs_dump_io_flags[];
extern struct acpi_rsdump_info acpi_rs_dump_fixed_io[];
extern struct acpi_rsdump_info acpi_rs_dump_vendor[];
extern struct acpi_rsdump_info acpi_rs_dump_end_tag[];
extern struct acpi_rsdump_info acpi_rs_dump_memory24[];
extern struct acpi_rsdump_info acpi_rs_dump_memory32[];
+extern struct acpi_rsdump_info acpi_rs_dump_memory_flags[];
extern struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[];
extern struct acpi_rsdump_info acpi_rs_dump_address16[];
extern struct acpi_rsdump_info acpi_rs_dump_address32[];
@@ -372,6 +375,7 @@ extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[];
extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[];
extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[];
extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[];
+extern struct acpi_rsdump_info acpi_rs_dump_general_flags[];
#endif
#endif /* __ACRESRC_H__ */
diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index 937e66c65d1..7896d85876c 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h
index 6712965ba8a..7755e915a00 100644
--- a/drivers/acpi/acpica/actables.h
+++ b/drivers/acpi/acpica/actables.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index b0f5f92b674..0082fa0a613 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -483,39 +483,17 @@ acpi_ut_short_divide(u64 in_dividend,
/*
* utmisc
*/
-void ut_convert_backslashes(char *pathname);
-
const char *acpi_ut_validate_exception(acpi_status status);
u8 acpi_ut_is_pci_root_bridge(char *id);
u8 acpi_ut_is_aml_table(struct acpi_table_header *table);
-acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
-
-void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
-
acpi_status
acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
void *target_object,
acpi_pkg_callback walk_callback, void *context);
-void acpi_ut_strupr(char *src_string);
-
-void acpi_ut_strlwr(char *src_string);
-
-int acpi_ut_stricmp(char *string1, char *string2);
-
-void acpi_ut_print_string(char *string, u8 max_length);
-
-u8 acpi_ut_valid_acpi_name(u32 name);
-
-void acpi_ut_repair_name(char *name);
-
-u8 acpi_ut_valid_acpi_char(char character, u32 position);
-
-acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
-
/* Values for Base above (16=Hex, 10=Decimal) */
#define ACPI_ANY_BASE 0
@@ -532,15 +510,25 @@ acpi_ut_display_init_pathname(u8 type,
#endif
/*
+ * utownerid - Support for Table/Method Owner IDs
+ */
+acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id);
+
+void acpi_ut_release_owner_id(acpi_owner_id * owner_id);
+
+/*
* utresrc
*/
acpi_status
-acpi_ut_walk_aml_resources(u8 *aml,
+acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
+ u8 *aml,
acpi_size aml_length,
acpi_walk_aml_callback user_function,
void **context);
-acpi_status acpi_ut_validate_resource(void *aml, u8 *return_index);
+acpi_status
+acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
+ void *aml, u8 *return_index);
u32 acpi_ut_get_descriptor_length(void *aml);
@@ -554,6 +542,27 @@ acpi_status
acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag);
/*
+ * utstring - String and character utilities
+ */
+void acpi_ut_strupr(char *src_string);
+
+void acpi_ut_strlwr(char *src_string);
+
+int acpi_ut_stricmp(char *string1, char *string2);
+
+acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer);
+
+void acpi_ut_print_string(char *string, u8 max_length);
+
+void ut_convert_backslashes(char *pathname);
+
+u8 acpi_ut_valid_acpi_name(u32 name);
+
+u8 acpi_ut_valid_acpi_char(char character, u32 position);
+
+void acpi_ut_repair_name(char *name);
+
+/*
* utmutex - mutex support
*/
acpi_status acpi_ut_mutex_initialize(void);
diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h
index c26f8ff6c3b..48a3e331b72 100644
--- a/drivers/acpi/acpica/amlcode.h
+++ b/drivers/acpi/acpica/amlcode.h
@@ -7,7 +7,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h
index 968449685e0..87c26366d1d 100644
--- a/drivers/acpi/acpica/amlresrc.h
+++ b/drivers/acpi/acpica/amlresrc.h
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -199,6 +199,12 @@ struct aml_resource_fixed_dma {
struct aml_resource_large_header {
AML_RESOURCE_LARGE_HEADER_COMMON};
+/* General Flags for address space resource descriptors */
+
+#define ACPI_RESOURCE_FLAG_DEC 2
+#define ACPI_RESOURCE_FLAG_MIF 4
+#define ACPI_RESOURCE_FLAG_MAF 8
+
struct aml_resource_memory24 {
AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
u16 minimum;
diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c
index c8b5e2565b9..fb09b08d708 100644
--- a/drivers/acpi/acpica/dsargs.c
+++ b/drivers/acpi/acpica/dsargs.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c
index 57895db3231..7ea0f162f11 100644
--- a/drivers/acpi/acpica/dscontrol.c
+++ b/drivers/acpi/acpica/dscontrol.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
index b5b904ee815..feadeed1012 100644
--- a/drivers/acpi/acpica/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c
index 87eff701ecf..bc8e63f7784 100644
--- a/drivers/acpi/acpica/dsinit.c
+++ b/drivers/acpi/acpica/dsinit.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 52eb4e01622..a9ffd44c18f 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -47,7 +47,7 @@
#include "acinterp.h"
#include "acnamesp.h"
#ifdef ACPI_DISASSEMBLER
-#include <acpi/acdisasm.h>
+#include "acdisasm.h"
#endif
#define _COMPONENT ACPI_DISPATCHER
@@ -151,6 +151,7 @@ acpi_ds_create_method_mutex(union acpi_operand_object *method_desc)
status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex);
if (ACPI_FAILURE(status)) {
+ acpi_ut_delete_object_desc(mutex_desc);
return_ACPI_STATUS(status);
}
@@ -378,7 +379,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
*/
info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
if (!info) {
- return_ACPI_STATUS(AE_NO_MEMORY);
+ status = AE_NO_MEMORY;
+ goto cleanup;
}
info->parameters = &this_walk_state->operands[0];
diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c
index 9a83b7e0f3b..3da80460ce3 100644
--- a/drivers/acpi/acpica/dsmthdat.c
+++ b/drivers/acpi/acpica/dsmthdat.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c
index c9f15d3a368..e20e9f84eee 100644
--- a/drivers/acpi/acpica/dsobject.c
+++ b/drivers/acpi/acpica/dsobject.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -388,7 +388,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
union acpi_parse_object *parent;
union acpi_operand_object *obj_desc = NULL;
acpi_status status = AE_OK;
- unsigned i;
+ u32 i;
u16 index;
u16 reference_count;
@@ -525,7 +525,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
}
ACPI_INFO((AE_INFO,
- "Actual Package length (%u) is larger than NumElements field (%u), truncated\n",
+ "Actual Package length (%u) is larger than NumElements field (%u), truncated",
i, element_count));
} else if (i < element_count) {
/*
@@ -703,7 +703,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
/* Truncate value if we are executing from a 32-bit ACPI table */
#ifndef ACPI_NO_METHOD_EXECUTION
- acpi_ex_truncate_for32bit_table(obj_desc);
+ (void)acpi_ex_truncate_for32bit_table(obj_desc);
#endif
break;
@@ -725,8 +725,18 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
case AML_TYPE_LITERAL:
obj_desc->integer.value = op->common.value.integer;
+
#ifndef ACPI_NO_METHOD_EXECUTION
- acpi_ex_truncate_for32bit_table(obj_desc);
+ if (acpi_ex_truncate_for32bit_table(obj_desc)) {
+
+ /* Warn if we found a 64-bit constant in a 32-bit table */
+
+ ACPI_WARNING((AE_INFO,
+ "Truncated 64-bit constant found in 32-bit table: %8.8X%8.8X => %8.8X",
+ ACPI_FORMAT_UINT64(op->common.
+ value.integer),
+ (u32)obj_desc->integer.value));
+ }
#endif
break;
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index d09c6b4bab2..ee6367b8eaf 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -486,18 +486,18 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
ACPI_FUNCTION_TRACE_PTR(ds_eval_table_region_operands, op);
/*
- * This is where we evaluate the signature_string and oem_iDString
- * and oem_table_iDString of the data_table_region declaration
+ * This is where we evaluate the Signature string, oem_id string,
+ * and oem_table_id string of the Data Table Region declaration
*/
node = op->common.node;
- /* next_op points to signature_string op */
+ /* next_op points to Signature string op */
next_op = op->common.value.arg;
/*
- * Evaluate/create the signature_string and oem_iDString
- * and oem_table_iDString operands
+ * Evaluate/create the Signature string, oem_id string,
+ * and oem_table_id string operands
*/
status = acpi_ds_create_operands(walk_state, next_op);
if (ACPI_FAILURE(status)) {
@@ -505,8 +505,8 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
}
/*
- * Resolve the signature_string and oem_iDString
- * and oem_table_iDString operands
+ * Resolve the Signature string, oem_id string,
+ * and oem_table_id string operands
*/
status = acpi_ex_resolve_operands(op->common.aml_opcode,
ACPI_WALK_OPERANDS, walk_state);
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
index afeb99f4948..4d8c992a51d 100644
--- a/drivers/acpi/acpica/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -178,7 +178,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
if (!op) {
ACPI_ERROR((AE_INFO, "Null Op"));
- return_UINT8(TRUE);
+ return_VALUE(TRUE);
}
/*
@@ -210,7 +210,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
"At Method level, result of [%s] not used\n",
acpi_ps_get_opcode_name(op->common.
aml_opcode)));
- return_UINT8(FALSE);
+ return_VALUE(FALSE);
}
/* Get info on the parent. The root_op is AML_SCOPE */
@@ -219,7 +219,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
acpi_ps_get_opcode_info(op->common.parent->common.aml_opcode);
if (parent_info->class == AML_CLASS_UNKNOWN) {
ACPI_ERROR((AE_INFO, "Unknown parent opcode Op=%p", op));
- return_UINT8(FALSE);
+ return_VALUE(FALSE);
}
/*
@@ -307,7 +307,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
acpi_ps_get_opcode_name(op->common.parent->common.
aml_opcode), op));
- return_UINT8(TRUE);
+ return_VALUE(TRUE);
result_not_used:
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
@@ -316,7 +316,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
acpi_ps_get_opcode_name(op->common.parent->common.
aml_opcode), op));
- return_UINT8(FALSE);
+ return_VALUE(FALSE);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c
index 58593931be9..44f8325c2ba 100644
--- a/drivers/acpi/acpica/dswexec.c
+++ b/drivers/acpi/acpica/dswexec.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -149,7 +149,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
/* Truncate the predicate to 32-bits if necessary */
- acpi_ex_truncate_for32bit_table(local_obj_desc);
+ (void)acpi_ex_truncate_for32bit_table(local_obj_desc);
/*
* Save the result of the predicate evaluation on
@@ -706,7 +706,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
* ACPI 2.0 support for 64-bit integers: Truncate numeric
* result value if we are executing from a 32-bit ACPI table
*/
- acpi_ex_truncate_for32bit_table(walk_state->result_obj);
+ (void)acpi_ex_truncate_for32bit_table(walk_state->result_obj);
/*
* Check if we just completed the evaluation of a
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
index 557510084c7..6e17c0e24e6 100644
--- a/drivers/acpi/acpica/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -50,7 +50,7 @@
#include "acnamesp.h"
#ifdef ACPI_ASL_COMPILER
-#include <acpi/acdisasm.h>
+#include "acdisasm.h"
#endif
#define _COMPONENT ACPI_DISPATCHER
@@ -178,7 +178,8 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
* Target of Scope() not found. Generate an External for it, and
* insert the name into the namespace.
*/
- acpi_dm_add_to_external_list(path, ACPI_TYPE_DEVICE, 0);
+ acpi_dm_add_to_external_list(op, path, ACPI_TYPE_DEVICE,
+ 0);
status =
acpi_ns_lookup(walk_state->scope_info, path,
object_type, ACPI_IMODE_LOAD_PASS1,
diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c
index 37983574835..4407ff2377d 100644
--- a/drivers/acpi/acpica/dswload2.c
+++ b/drivers/acpi/acpica/dswload2.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -222,7 +222,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
*/
ACPI_WARNING((AE_INFO,
"Type override - [%4.4s] had invalid type (%s) "
- "for Scope operator, changed to type ANY\n",
+ "for Scope operator, changed to type ANY",
acpi_ut_get_node_name(node),
acpi_ut_get_type_name(node->type)));
diff --git a/drivers/acpi/acpica/dswscope.c b/drivers/acpi/acpica/dswscope.c
index f6c4295470a..d67891de1b5 100644
--- a/drivers/acpi/acpica/dswscope.c
+++ b/drivers/acpi/acpica/dswscope.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c
index 3e65a15a735..ecb12e2137f 100644
--- a/drivers/acpi/acpica/dswstate.c
+++ b/drivers/acpi/acpica/dswstate.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c
index d4acfbbe5b2..b8ea0b26cde 100644
--- a/drivers/acpi/acpica/evevent.c
+++ b/drivers/acpi/acpica/evevent.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c
index af14a713763..a621481c6cf 100644
--- a/drivers/acpi/acpica/evglock.c
+++ b/drivers/acpi/acpica/evglock.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index 36d12057442..b9adb9a7ed8 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -561,8 +561,8 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
status = AE_NO_MEMORY;
} else {
/*
- * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx
- * control method that corresponds to this GPE
+ * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the
+ * _Lxx/_Exx control method that corresponds to this GPE
*/
info->prefix_node =
local_gpe_event_info->dispatch.method_node;
@@ -707,7 +707,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to clear GPE%02X", gpe_number));
- return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
+ return_VALUE(ACPI_INTERRUPT_NOT_HANDLED);
}
}
@@ -724,7 +724,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to disable GPE%02X", gpe_number));
- return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
+ return_VALUE(ACPI_INTERRUPT_NOT_HANDLED);
}
/*
@@ -765,7 +765,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
- "Unable to queue handler for GPE%2X - event disabled",
+ "Unable to queue handler for GPE%02X - event disabled",
gpe_number));
}
break;
@@ -784,7 +784,7 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device,
break;
}
- return_UINT32(ACPI_INTERRUPT_HANDLED);
+ return_VALUE(ACPI_INTERRUPT_HANDLED);
}
#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index 1571a61a783..a2d688bbac0 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -405,13 +405,13 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
(*return_gpe_block) = gpe_block;
}
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n",
- (u32) gpe_block->block_base_number,
- (u32) (gpe_block->block_base_number +
- (gpe_block->gpe_count - 1)),
- gpe_device->name.ascii, gpe_block->register_count,
- interrupt_number));
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
+ " Initialized GPE %02X to %02X [%4.4s] %u regs on interrupt 0x%X\n",
+ (u32)gpe_block->block_base_number,
+ (u32)(gpe_block->block_base_number +
+ (gpe_block->gpe_count - 1)),
+ gpe_device->name.ascii, gpe_block->register_count,
+ interrupt_number));
/* Update global count of currently available GPEs */
@@ -496,9 +496,11 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
}
if (gpe_enabled_count) {
- ACPI_DEBUG_PRINT((ACPI_DB_INIT,
- "Enabled %u GPEs in this block\n",
- gpe_enabled_count));
+ ACPI_INFO((AE_INFO,
+ "Enabled %u GPEs in block %02X to %02X",
+ gpe_enabled_count, (u32)gpe_block->block_base_number,
+ (u32)(gpe_block->block_base_number +
+ (gpe_block->gpe_count - 1))));
}
gpe_block->initialized = TRUE;
diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
index da0add858f8..72b8f6b3f4c 100644
--- a/drivers/acpi/acpica/evgpeinit.c
+++ b/drivers/acpi/acpica/evgpeinit.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -86,6 +86,9 @@ acpi_status acpi_ev_gpe_initialize(void)
ACPI_FUNCTION_TRACE(ev_gpe_initialize);
+ ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
+ "Initializing General Purpose Events (GPEs):\n"));
+
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c
index 228a0c3b1d4..b24dbb80fab 100644
--- a/drivers/acpi/acpica/evgpeutil.c
+++ b/drivers/acpi/acpica/evgpeutil.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c
new file mode 100644
index 00000000000..d4f83112c2e
--- /dev/null
+++ b/drivers/acpi/acpica/evhandler.c
@@ -0,0 +1,529 @@
+/******************************************************************************
+ *
+ * Module Name: evhandler - Support for Address Space handlers
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acevents.h"
+#include "acnamesp.h"
+#include "acinterp.h"
+
+#define _COMPONENT ACPI_EVENTS
+ACPI_MODULE_NAME("evhandler")
+
+/* Local prototypes */
+static acpi_status
+acpi_ev_install_handler(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value);
+
+/* These are the address spaces that will get default handlers */
+
+u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPACES] = {
+ ACPI_ADR_SPACE_SYSTEM_MEMORY,
+ ACPI_ADR_SPACE_SYSTEM_IO,
+ ACPI_ADR_SPACE_PCI_CONFIG,
+ ACPI_ADR_SPACE_DATA_TABLE
+};
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_region_handlers
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Installs the core subsystem default address space handlers.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ev_install_region_handlers(void)
+{
+ acpi_status status;
+ u32 i;
+
+ ACPI_FUNCTION_TRACE(ev_install_region_handlers);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * All address spaces (PCI Config, EC, SMBus) are scope dependent and
+ * registration must occur for a specific device.
+ *
+ * In the case of the system memory and IO address spaces there is
+ * currently no device associated with the address space. For these we
+ * use the root.
+ *
+ * We install the default PCI config space handler at the root so that
+ * this space is immediately available even though the we have not
+ * enumerated all the PCI Root Buses yet. This is to conform to the ACPI
+ * specification which states that the PCI config space must be always
+ * available -- even though we are nowhere near ready to find the PCI root
+ * buses at this point.
+ *
+ * NOTE: We ignore AE_ALREADY_EXISTS because this means that a handler
+ * has already been installed (via acpi_install_address_space_handler).
+ * Similar for AE_SAME_HANDLER.
+ */
+ for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
+ status = acpi_ev_install_space_handler(acpi_gbl_root_node,
+ acpi_gbl_default_address_spaces
+ [i],
+ ACPI_DEFAULT_HANDLER,
+ NULL, NULL);
+ switch (status) {
+ case AE_OK:
+ case AE_SAME_HANDLER:
+ case AE_ALREADY_EXISTS:
+
+ /* These exceptions are all OK */
+
+ status = AE_OK;
+ break;
+
+ default:
+
+ goto unlock_and_exit;
+ }
+ }
+
+ unlock_and_exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_has_default_handler
+ *
+ * PARAMETERS: node - Namespace node for the device
+ * space_id - The address space ID
+ *
+ * RETURN: TRUE if default handler is installed, FALSE otherwise
+ *
+ * DESCRIPTION: Check if the default handler is installed for the requested
+ * space ID.
+ *
+ ******************************************************************************/
+
+u8
+acpi_ev_has_default_handler(struct acpi_namespace_node *node,
+ acpi_adr_space_type space_id)
+{
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *handler_obj;
+
+ /* Must have an existing internal object */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (obj_desc) {
+ handler_obj = obj_desc->device.handler;
+
+ /* Walk the linked list of handlers for this object */
+
+ while (handler_obj) {
+ if (handler_obj->address_space.space_id == space_id) {
+ if (handler_obj->address_space.handler_flags &
+ ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
+ return (TRUE);
+ }
+ }
+
+ handler_obj = handler_obj->address_space.next;
+ }
+ }
+
+ return (FALSE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_handler
+ *
+ * PARAMETERS: walk_namespace callback
+ *
+ * DESCRIPTION: This routine installs an address handler into objects that are
+ * of type Region or Device.
+ *
+ * If the Object is a Device, and the device has a handler of
+ * the same type then the search is terminated in that branch.
+ *
+ * This is because the existing handler is closer in proximity
+ * to any more regions than the one we are trying to install.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ev_install_handler(acpi_handle obj_handle,
+ u32 level, void *context, void **return_value)
+{
+ union acpi_operand_object *handler_obj;
+ union acpi_operand_object *next_handler_obj;
+ union acpi_operand_object *obj_desc;
+ struct acpi_namespace_node *node;
+ acpi_status status;
+
+ ACPI_FUNCTION_NAME(ev_install_handler);
+
+ handler_obj = (union acpi_operand_object *)context;
+
+ /* Parameter validation */
+
+ if (!handler_obj) {
+ return (AE_OK);
+ }
+
+ /* Convert and validate the device handle */
+
+ node = acpi_ns_validate_handle(obj_handle);
+ if (!node) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * We only care about regions and objects that are allowed to have
+ * address space handlers
+ */
+ if ((node->type != ACPI_TYPE_DEVICE) &&
+ (node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) {
+ return (AE_OK);
+ }
+
+ /* Check for an existing internal object */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+
+ /* No object, just exit */
+
+ return (AE_OK);
+ }
+
+ /* Devices are handled different than regions */
+
+ if (obj_desc->common.type == ACPI_TYPE_DEVICE) {
+
+ /* Check if this Device already has a handler for this address space */
+
+ next_handler_obj = obj_desc->device.handler;
+ while (next_handler_obj) {
+
+ /* Found a handler, is it for the same address space? */
+
+ if (next_handler_obj->address_space.space_id ==
+ handler_obj->address_space.space_id) {
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Found handler for region [%s] in device %p(%p) "
+ "handler %p\n",
+ acpi_ut_get_region_name
+ (handler_obj->address_space.
+ space_id), obj_desc,
+ next_handler_obj,
+ handler_obj));
+
+ /*
+ * Since the object we found it on was a device, then it
+ * means that someone has already installed a handler for
+ * the branch of the namespace from this device on. Just
+ * bail out telling the walk routine to not traverse this
+ * branch. This preserves the scoping rule for handlers.
+ */
+ return (AE_CTRL_DEPTH);
+ }
+
+ /* Walk the linked list of handlers attached to this device */
+
+ next_handler_obj = next_handler_obj->address_space.next;
+ }
+
+ /*
+ * As long as the device didn't have a handler for this space we
+ * don't care about it. We just ignore it and proceed.
+ */
+ return (AE_OK);
+ }
+
+ /* Object is a Region */
+
+ if (obj_desc->region.space_id != handler_obj->address_space.space_id) {
+
+ /* This region is for a different address space, just ignore it */
+
+ return (AE_OK);
+ }
+
+ /*
+ * Now we have a region and it is for the handler's address space type.
+ *
+ * First disconnect region for any previous handler (if any)
+ */
+ acpi_ev_detach_region(obj_desc, FALSE);
+
+ /* Connect the region to the new handler */
+
+ status = acpi_ev_attach_region(handler_obj, obj_desc, FALSE);
+ return (status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ev_install_space_handler
+ *
+ * PARAMETERS: node - Namespace node for the device
+ * space_id - The address space ID
+ * handler - Address of the handler
+ * setup - Address of the setup function
+ * context - Value passed to the handler on each access
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install a handler for all op_regions of a given space_id.
+ * Assumes namespace is locked
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ev_install_space_handler(struct acpi_namespace_node * node,
+ acpi_adr_space_type space_id,
+ acpi_adr_space_handler handler,
+ acpi_adr_space_setup setup, void *context)
+{
+ union acpi_operand_object *obj_desc;
+ union acpi_operand_object *handler_obj;
+ acpi_status status;
+ acpi_object_type type;
+ u8 flags = 0;
+
+ ACPI_FUNCTION_TRACE(ev_install_space_handler);
+
+ /*
+ * This registration is valid for only the types below and the root. This
+ * is where the default handlers get placed.
+ */
+ if ((node->type != ACPI_TYPE_DEVICE) &&
+ (node->type != ACPI_TYPE_PROCESSOR) &&
+ (node->type != ACPI_TYPE_THERMAL) && (node != acpi_gbl_root_node)) {
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+
+ if (handler == ACPI_DEFAULT_HANDLER) {
+ flags = ACPI_ADDR_HANDLER_DEFAULT_INSTALLED;
+
+ switch (space_id) {
+ case ACPI_ADR_SPACE_SYSTEM_MEMORY:
+ handler = acpi_ex_system_memory_space_handler;
+ setup = acpi_ev_system_memory_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_SYSTEM_IO:
+ handler = acpi_ex_system_io_space_handler;
+ setup = acpi_ev_io_space_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_PCI_CONFIG:
+ handler = acpi_ex_pci_config_space_handler;
+ setup = acpi_ev_pci_config_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_CMOS:
+ handler = acpi_ex_cmos_space_handler;
+ setup = acpi_ev_cmos_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_PCI_BAR_TARGET:
+ handler = acpi_ex_pci_bar_space_handler;
+ setup = acpi_ev_pci_bar_region_setup;
+ break;
+
+ case ACPI_ADR_SPACE_DATA_TABLE:
+ handler = acpi_ex_data_table_space_handler;
+ setup = NULL;
+ break;
+
+ default:
+ status = AE_BAD_PARAMETER;
+ goto unlock_and_exit;
+ }
+ }
+
+ /* If the caller hasn't specified a setup routine, use the default */
+
+ if (!setup) {
+ setup = acpi_ev_default_region_setup;
+ }
+
+ /* Check for an existing internal object */
+
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (obj_desc) {
+ /*
+ * The attached device object already exists. Make sure the handler
+ * is not already installed.
+ */
+ handler_obj = obj_desc->device.handler;
+
+ /* Walk the handler list for this device */
+
+ while (handler_obj) {
+
+ /* Same space_id indicates a handler already installed */
+
+ if (handler_obj->address_space.space_id == space_id) {
+ if (handler_obj->address_space.handler ==
+ handler) {
+ /*
+ * It is (relatively) OK to attempt to install the SAME
+ * handler twice. This can easily happen with the
+ * PCI_Config space.
+ */
+ status = AE_SAME_HANDLER;
+ goto unlock_and_exit;
+ } else {
+ /* A handler is already installed */
+
+ status = AE_ALREADY_EXISTS;
+ }
+ goto unlock_and_exit;
+ }
+
+ /* Walk the linked list of handlers */
+
+ handler_obj = handler_obj->address_space.next;
+ }
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Creating object on Device %p while installing handler\n",
+ node));
+
+ /* obj_desc does not exist, create one */
+
+ if (node->type == ACPI_TYPE_ANY) {
+ type = ACPI_TYPE_DEVICE;
+ } else {
+ type = node->type;
+ }
+
+ obj_desc = acpi_ut_create_internal_object(type);
+ if (!obj_desc) {
+ status = AE_NO_MEMORY;
+ goto unlock_and_exit;
+ }
+
+ /* Init new descriptor */
+
+ obj_desc->common.type = (u8)type;
+
+ /* Attach the new object to the Node */
+
+ status = acpi_ns_attach_object(node, obj_desc, type);
+
+ /* Remove local reference to the object */
+
+ acpi_ut_remove_reference(obj_desc);
+
+ if (ACPI_FAILURE(status)) {
+ goto unlock_and_exit;
+ }
+ }
+
+ ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
+ "Installing address handler for region %s(%X) on Device %4.4s %p(%p)\n",
+ acpi_ut_get_region_name(space_id), space_id,
+ acpi_ut_get_node_name(node), node, obj_desc));
+
+ /*
+ * Install the handler
+ *
+ * At this point there is no existing handler. Just allocate the object
+ * for the handler and link it into the list.
+ */
+ handler_obj =
+ acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_ADDRESS_HANDLER);
+ if (!handler_obj) {
+ status = AE_NO_MEMORY;
+ goto unlock_and_exit;
+ }
+
+ /* Init handler obj */
+
+ handler_obj->address_space.space_id = (u8)space_id;
+ handler_obj->address_space.handler_flags = flags;
+ handler_obj->address_space.region_list = NULL;
+ handler_obj->address_space.node = node;
+ handler_obj->address_space.handler = handler;
+ handler_obj->address_space.context = context;
+ handler_obj->address_space.setup = setup;
+
+ /* Install at head of Device.address_space list */
+
+ handler_obj->address_space.next = obj_desc->device.handler;
+
+ /*
+ * The Device object is the first reference on the handler_obj.
+ * Each region that uses the handler adds a reference.
+ */
+ obj_desc->device.handler = handler_obj;
+
+ /*
+ * Walk the namespace finding all of the regions this
+ * handler will manage.
+ *
+ * Start at the device and search the branch toward
+ * the leaf nodes until either the leaf is encountered or
+ * a device is detected that has an address handler of the
+ * same type.
+ *
+ * In either case, back up and search down the remainder
+ * of the branch
+ */
+ status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
+ ACPI_NS_WALK_UNLOCK,
+ acpi_ev_install_handler, NULL,
+ handler_obj, NULL);
+
+ unlock_and_exit:
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c
index 51f537937c1..c986b2336b8 100644
--- a/drivers/acpi/acpica/evmisc.c
+++ b/drivers/acpi/acpica/evmisc.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c
index 0cc6a16fedc..6555e350fc1 100644
--- a/drivers/acpi/acpica/evregion.c
+++ b/drivers/acpi/acpica/evregion.c
@@ -1,11 +1,11 @@
/******************************************************************************
*
- * Module Name: evregion - ACPI address_space (op_region) handler dispatch
+ * Module Name: evregion - Operation Region support
*
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -50,10 +50,9 @@
#define _COMPONENT ACPI_EVENTS
ACPI_MODULE_NAME("evregion")
+extern u8 acpi_gbl_default_address_spaces[];
+
/* Local prototypes */
-static u8
-acpi_ev_has_default_handler(struct acpi_namespace_node *node,
- acpi_adr_space_type space_id);
static void acpi_ev_orphan_ec_reg_method(void);
@@ -61,135 +60,6 @@ static acpi_status
acpi_ev_reg_run(acpi_handle obj_handle,
u32 level, void *context, void **return_value);
-static acpi_status
-acpi_ev_install_handler(acpi_handle obj_handle,
- u32 level, void *context, void **return_value);
-
-/* These are the address spaces that will get default handlers */
-
-#define ACPI_NUM_DEFAULT_SPACES 4
-
-static u8 acpi_gbl_default_address_spaces[ACPI_NUM_DEFAULT_SPACES] = {
- ACPI_ADR_SPACE_SYSTEM_MEMORY,
- ACPI_ADR_SPACE_SYSTEM_IO,
- ACPI_ADR_SPACE_PCI_CONFIG,
- ACPI_ADR_SPACE_DATA_TABLE
-};
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ev_install_region_handlers
- *
- * PARAMETERS: None
- *
- * RETURN: Status
- *
- * DESCRIPTION: Installs the core subsystem default address space handlers.
- *
- ******************************************************************************/
-
-acpi_status acpi_ev_install_region_handlers(void)
-{
- acpi_status status;
- u32 i;
-
- ACPI_FUNCTION_TRACE(ev_install_region_handlers);
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /*
- * All address spaces (PCI Config, EC, SMBus) are scope dependent and
- * registration must occur for a specific device.
- *
- * In the case of the system memory and IO address spaces there is
- * currently no device associated with the address space. For these we
- * use the root.
- *
- * We install the default PCI config space handler at the root so that
- * this space is immediately available even though the we have not
- * enumerated all the PCI Root Buses yet. This is to conform to the ACPI
- * specification which states that the PCI config space must be always
- * available -- even though we are nowhere near ready to find the PCI root
- * buses at this point.
- *
- * NOTE: We ignore AE_ALREADY_EXISTS because this means that a handler
- * has already been installed (via acpi_install_address_space_handler).
- * Similar for AE_SAME_HANDLER.
- */
- for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
- status = acpi_ev_install_space_handler(acpi_gbl_root_node,
- acpi_gbl_default_address_spaces
- [i],
- ACPI_DEFAULT_HANDLER,
- NULL, NULL);
- switch (status) {
- case AE_OK:
- case AE_SAME_HANDLER:
- case AE_ALREADY_EXISTS:
-
- /* These exceptions are all OK */
-
- status = AE_OK;
- break;
-
- default:
-
- goto unlock_and_exit;
- }
- }
-
- unlock_and_exit:
- (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ev_has_default_handler
- *
- * PARAMETERS: node - Namespace node for the device
- * space_id - The address space ID
- *
- * RETURN: TRUE if default handler is installed, FALSE otherwise
- *
- * DESCRIPTION: Check if the default handler is installed for the requested
- * space ID.
- *
- ******************************************************************************/
-
-static u8
-acpi_ev_has_default_handler(struct acpi_namespace_node *node,
- acpi_adr_space_type space_id)
-{
- union acpi_operand_object *obj_desc;
- union acpi_operand_object *handler_obj;
-
- /* Must have an existing internal object */
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (obj_desc) {
- handler_obj = obj_desc->device.handler;
-
- /* Walk the linked list of handlers for this object */
-
- while (handler_obj) {
- if (handler_obj->address_space.space_id == space_id) {
- if (handler_obj->address_space.handler_flags &
- ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
- return (TRUE);
- }
- }
-
- handler_obj = handler_obj->address_space.next;
- }
- }
-
- return (FALSE);
-}
-
/*******************************************************************************
*
* FUNCTION: acpi_ev_initialize_op_regions
@@ -241,91 +111,6 @@ acpi_status acpi_ev_initialize_op_regions(void)
/*******************************************************************************
*
- * FUNCTION: acpi_ev_execute_reg_method
- *
- * PARAMETERS: region_obj - Region object
- * function - Passed to _REG: On (1) or Off (0)
- *
- * RETURN: Status
- *
- * DESCRIPTION: Execute _REG method for a region
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
-{
- struct acpi_evaluate_info *info;
- union acpi_operand_object *args[3];
- union acpi_operand_object *region_obj2;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(ev_execute_reg_method);
-
- region_obj2 = acpi_ns_get_secondary_object(region_obj);
- if (!region_obj2) {
- return_ACPI_STATUS(AE_NOT_EXIST);
- }
-
- if (region_obj2->extra.method_REG == NULL) {
- return_ACPI_STATUS(AE_OK);
- }
-
- /* Allocate and initialize the evaluation information block */
-
- info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
- if (!info) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- info->prefix_node = region_obj2->extra.method_REG;
- info->pathname = NULL;
- info->parameters = args;
- info->flags = ACPI_IGNORE_RETURN_VALUE;
-
- /*
- * The _REG method has two arguments:
- *
- * arg0 - Integer:
- * Operation region space ID Same value as region_obj->Region.space_id
- *
- * arg1 - Integer:
- * connection status 1 for connecting the handler, 0 for disconnecting
- * the handler (Passed as a parameter)
- */
- args[0] =
- acpi_ut_create_integer_object((u64) region_obj->region.space_id);
- if (!args[0]) {
- status = AE_NO_MEMORY;
- goto cleanup1;
- }
-
- args[1] = acpi_ut_create_integer_object((u64) function);
- if (!args[1]) {
- status = AE_NO_MEMORY;
- goto cleanup2;
- }
-
- args[2] = NULL; /* Terminate list */
-
- /* Execute the method, no return value */
-
- ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
- (ACPI_TYPE_METHOD, info->prefix_node, NULL));
-
- status = acpi_ns_evaluate(info);
- acpi_ut_remove_reference(args[1]);
-
- cleanup2:
- acpi_ut_remove_reference(args[0]);
-
- cleanup1:
- ACPI_FREE(info);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ev_address_space_dispatch
*
* PARAMETERS: region_obj - Internal region object
@@ -709,351 +494,86 @@ acpi_ev_attach_region(union acpi_operand_object *handler_obj,
/*******************************************************************************
*
- * FUNCTION: acpi_ev_install_handler
- *
- * PARAMETERS: walk_namespace callback
- *
- * DESCRIPTION: This routine installs an address handler into objects that are
- * of type Region or Device.
- *
- * If the Object is a Device, and the device has a handler of
- * the same type then the search is terminated in that branch.
- *
- * This is because the existing handler is closer in proximity
- * to any more regions than the one we are trying to install.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ev_install_handler(acpi_handle obj_handle,
- u32 level, void *context, void **return_value)
-{
- union acpi_operand_object *handler_obj;
- union acpi_operand_object *next_handler_obj;
- union acpi_operand_object *obj_desc;
- struct acpi_namespace_node *node;
- acpi_status status;
-
- ACPI_FUNCTION_NAME(ev_install_handler);
-
- handler_obj = (union acpi_operand_object *)context;
-
- /* Parameter validation */
-
- if (!handler_obj) {
- return (AE_OK);
- }
-
- /* Convert and validate the device handle */
-
- node = acpi_ns_validate_handle(obj_handle);
- if (!node) {
- return (AE_BAD_PARAMETER);
- }
-
- /*
- * We only care about regions and objects that are allowed to have
- * address space handlers
- */
- if ((node->type != ACPI_TYPE_DEVICE) &&
- (node->type != ACPI_TYPE_REGION) && (node != acpi_gbl_root_node)) {
- return (AE_OK);
- }
-
- /* Check for an existing internal object */
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (!obj_desc) {
-
- /* No object, just exit */
-
- return (AE_OK);
- }
-
- /* Devices are handled different than regions */
-
- if (obj_desc->common.type == ACPI_TYPE_DEVICE) {
-
- /* Check if this Device already has a handler for this address space */
-
- next_handler_obj = obj_desc->device.handler;
- while (next_handler_obj) {
-
- /* Found a handler, is it for the same address space? */
-
- if (next_handler_obj->address_space.space_id ==
- handler_obj->address_space.space_id) {
- ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
- "Found handler for region [%s] in device %p(%p) "
- "handler %p\n",
- acpi_ut_get_region_name
- (handler_obj->address_space.
- space_id), obj_desc,
- next_handler_obj,
- handler_obj));
-
- /*
- * Since the object we found it on was a device, then it
- * means that someone has already installed a handler for
- * the branch of the namespace from this device on. Just
- * bail out telling the walk routine to not traverse this
- * branch. This preserves the scoping rule for handlers.
- */
- return (AE_CTRL_DEPTH);
- }
-
- /* Walk the linked list of handlers attached to this device */
-
- next_handler_obj = next_handler_obj->address_space.next;
- }
-
- /*
- * As long as the device didn't have a handler for this space we
- * don't care about it. We just ignore it and proceed.
- */
- return (AE_OK);
- }
-
- /* Object is a Region */
-
- if (obj_desc->region.space_id != handler_obj->address_space.space_id) {
-
- /* This region is for a different address space, just ignore it */
-
- return (AE_OK);
- }
-
- /*
- * Now we have a region and it is for the handler's address space type.
- *
- * First disconnect region for any previous handler (if any)
- */
- acpi_ev_detach_region(obj_desc, FALSE);
-
- /* Connect the region to the new handler */
-
- status = acpi_ev_attach_region(handler_obj, obj_desc, FALSE);
- return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ev_install_space_handler
+ * FUNCTION: acpi_ev_execute_reg_method
*
- * PARAMETERS: node - Namespace node for the device
- * space_id - The address space ID
- * handler - Address of the handler
- * setup - Address of the setup function
- * context - Value passed to the handler on each access
+ * PARAMETERS: region_obj - Region object
+ * function - Passed to _REG: On (1) or Off (0)
*
* RETURN: Status
*
- * DESCRIPTION: Install a handler for all op_regions of a given space_id.
- * Assumes namespace is locked
+ * DESCRIPTION: Execute _REG method for a region
*
******************************************************************************/
acpi_status
-acpi_ev_install_space_handler(struct acpi_namespace_node * node,
- acpi_adr_space_type space_id,
- acpi_adr_space_handler handler,
- acpi_adr_space_setup setup, void *context)
+acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
{
- union acpi_operand_object *obj_desc;
- union acpi_operand_object *handler_obj;
+ struct acpi_evaluate_info *info;
+ union acpi_operand_object *args[3];
+ union acpi_operand_object *region_obj2;
acpi_status status;
- acpi_object_type type;
- u8 flags = 0;
- ACPI_FUNCTION_TRACE(ev_install_space_handler);
-
- /*
- * This registration is valid for only the types below and the root. This
- * is where the default handlers get placed.
- */
- if ((node->type != ACPI_TYPE_DEVICE) &&
- (node->type != ACPI_TYPE_PROCESSOR) &&
- (node->type != ACPI_TYPE_THERMAL) && (node != acpi_gbl_root_node)) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
+ ACPI_FUNCTION_TRACE(ev_execute_reg_method);
- if (handler == ACPI_DEFAULT_HANDLER) {
- flags = ACPI_ADDR_HANDLER_DEFAULT_INSTALLED;
-
- switch (space_id) {
- case ACPI_ADR_SPACE_SYSTEM_MEMORY:
- handler = acpi_ex_system_memory_space_handler;
- setup = acpi_ev_system_memory_region_setup;
- break;
-
- case ACPI_ADR_SPACE_SYSTEM_IO:
- handler = acpi_ex_system_io_space_handler;
- setup = acpi_ev_io_space_region_setup;
- break;
-
- case ACPI_ADR_SPACE_PCI_CONFIG:
- handler = acpi_ex_pci_config_space_handler;
- setup = acpi_ev_pci_config_region_setup;
- break;
-
- case ACPI_ADR_SPACE_CMOS:
- handler = acpi_ex_cmos_space_handler;
- setup = acpi_ev_cmos_region_setup;
- break;
-
- case ACPI_ADR_SPACE_PCI_BAR_TARGET:
- handler = acpi_ex_pci_bar_space_handler;
- setup = acpi_ev_pci_bar_region_setup;
- break;
-
- case ACPI_ADR_SPACE_DATA_TABLE:
- handler = acpi_ex_data_table_space_handler;
- setup = NULL;
- break;
-
- default:
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
+ region_obj2 = acpi_ns_get_secondary_object(region_obj);
+ if (!region_obj2) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
}
- /* If the caller hasn't specified a setup routine, use the default */
-
- if (!setup) {
- setup = acpi_ev_default_region_setup;
+ if (region_obj2->extra.method_REG == NULL) {
+ return_ACPI_STATUS(AE_OK);
}
- /* Check for an existing internal object */
-
- obj_desc = acpi_ns_get_attached_object(node);
- if (obj_desc) {
- /*
- * The attached device object already exists. Make sure the handler
- * is not already installed.
- */
- handler_obj = obj_desc->device.handler;
-
- /* Walk the handler list for this device */
-
- while (handler_obj) {
-
- /* Same space_id indicates a handler already installed */
-
- if (handler_obj->address_space.space_id == space_id) {
- if (handler_obj->address_space.handler ==
- handler) {
- /*
- * It is (relatively) OK to attempt to install the SAME
- * handler twice. This can easily happen with the
- * PCI_Config space.
- */
- status = AE_SAME_HANDLER;
- goto unlock_and_exit;
- } else {
- /* A handler is already installed */
-
- status = AE_ALREADY_EXISTS;
- }
- goto unlock_and_exit;
- }
-
- /* Walk the linked list of handlers */
-
- handler_obj = handler_obj->address_space.next;
- }
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
- "Creating object on Device %p while installing handler\n",
- node));
-
- /* obj_desc does not exist, create one */
-
- if (node->type == ACPI_TYPE_ANY) {
- type = ACPI_TYPE_DEVICE;
- } else {
- type = node->type;
- }
-
- obj_desc = acpi_ut_create_internal_object(type);
- if (!obj_desc) {
- status = AE_NO_MEMORY;
- goto unlock_and_exit;
- }
-
- /* Init new descriptor */
-
- obj_desc->common.type = (u8) type;
-
- /* Attach the new object to the Node */
-
- status = acpi_ns_attach_object(node, obj_desc, type);
-
- /* Remove local reference to the object */
-
- acpi_ut_remove_reference(obj_desc);
+ /* Allocate and initialize the evaluation information block */
- if (ACPI_FAILURE(status)) {
- goto unlock_and_exit;
- }
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
- ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
- "Installing address handler for region %s(%X) on Device %4.4s %p(%p)\n",
- acpi_ut_get_region_name(space_id), space_id,
- acpi_ut_get_node_name(node), node, obj_desc));
+ info->prefix_node = region_obj2->extra.method_REG;
+ info->pathname = NULL;
+ info->parameters = args;
+ info->flags = ACPI_IGNORE_RETURN_VALUE;
/*
- * Install the handler
+ * The _REG method has two arguments:
+ *
+ * arg0 - Integer:
+ * Operation region space ID Same value as region_obj->Region.space_id
*
- * At this point there is no existing handler. Just allocate the object
- * for the handler and link it into the list.
+ * arg1 - Integer:
+ * connection status 1 for connecting the handler, 0 for disconnecting
+ * the handler (Passed as a parameter)
*/
- handler_obj =
- acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_ADDRESS_HANDLER);
- if (!handler_obj) {
+ args[0] =
+ acpi_ut_create_integer_object((u64)region_obj->region.space_id);
+ if (!args[0]) {
status = AE_NO_MEMORY;
- goto unlock_and_exit;
+ goto cleanup1;
}
- /* Init handler obj */
+ args[1] = acpi_ut_create_integer_object((u64)function);
+ if (!args[1]) {
+ status = AE_NO_MEMORY;
+ goto cleanup2;
+ }
- handler_obj->address_space.space_id = (u8) space_id;
- handler_obj->address_space.handler_flags = flags;
- handler_obj->address_space.region_list = NULL;
- handler_obj->address_space.node = node;
- handler_obj->address_space.handler = handler;
- handler_obj->address_space.context = context;
- handler_obj->address_space.setup = setup;
+ args[2] = NULL; /* Terminate list */
- /* Install at head of Device.address_space list */
+ /* Execute the method, no return value */
- handler_obj->address_space.next = obj_desc->device.handler;
+ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
+ (ACPI_TYPE_METHOD, info->prefix_node, NULL));
- /*
- * The Device object is the first reference on the handler_obj.
- * Each region that uses the handler adds a reference.
- */
- obj_desc->device.handler = handler_obj;
+ status = acpi_ns_evaluate(info);
+ acpi_ut_remove_reference(args[1]);
- /*
- * Walk the namespace finding all of the regions this
- * handler will manage.
- *
- * Start at the device and search the branch toward
- * the leaf nodes until either the leaf is encountered or
- * a device is detected that has an address handler of the
- * same type.
- *
- * In either case, back up and search down the remainder
- * of the branch
- */
- status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
- ACPI_NS_WALK_UNLOCK,
- acpi_ev_install_handler, NULL,
- handler_obj, NULL);
+ cleanup2:
+ acpi_ut_remove_reference(args[0]);
- unlock_and_exit:
+ cleanup1:
+ ACPI_FREE(info);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c
index 1474241bfc7..3bb616794b3 100644
--- a/drivers/acpi/acpica/evrgnini.c
+++ b/drivers/acpi/acpica/evrgnini.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/evsci.c b/drivers/acpi/acpica/evsci.c
index f9661e2b46a..f4b43bede01 100644
--- a/drivers/acpi/acpica/evsci.c
+++ b/drivers/acpi/acpica/evsci.c
@@ -6,7 +6,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -89,7 +89,7 @@ static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context)
*/
interrupt_handled |= acpi_ev_gpe_detect(gpe_xrupt_list);
- return_UINT32(interrupt_handled);
+ return_VALUE(interrupt_handled);
}
/*******************************************************************************
@@ -120,7 +120,7 @@ u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context)
interrupt_handled |= acpi_ev_gpe_detect(gpe_xrupt_list);
- return_UINT32(interrupt_handled);
+ return_VALUE(interrupt_handled);
}
/******************************************************************************
diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c
index ae668f32cf1..ddffd684791 100644
--- a/drivers/acpi/acpica/evxface.c
+++ b/drivers/acpi/acpica/evxface.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -56,13 +56,13 @@ ACPI_MODULE_NAME("evxface")
*
* FUNCTION: acpi_install_notify_handler
*
- * PARAMETERS: Device - The device for which notifies will be handled
+ * PARAMETERS: device - The device for which notifies will be handled
* handler_type - The type of handler:
* ACPI_SYSTEM_NOTIFY: System Handler (00-7F)
* ACPI_DEVICE_NOTIFY: Device Handler (80-FF)
* ACPI_ALL_NOTIFY: Both System and Device
- * Handler - Address of the handler
- * Context - Value passed to the handler on each GPE
+ * handler - Address of the handler
+ * context - Value passed to the handler on each GPE
*
* RETURN: Status
*
@@ -217,12 +217,12 @@ ACPI_EXPORT_SYMBOL(acpi_install_notify_handler)
*
* FUNCTION: acpi_remove_notify_handler
*
- * PARAMETERS: Device - The device for which the handler is installed
+ * PARAMETERS: device - The device for which the handler is installed
* handler_type - The type of handler:
* ACPI_SYSTEM_NOTIFY: System Handler (00-7F)
* ACPI_DEVICE_NOTIFY: Device Handler (80-FF)
* ACPI_ALL_NOTIFY: Both System and Device
- * Handler - Address of the handler
+ * handler - Address of the handler
*
* RETURN: Status
*
@@ -249,7 +249,8 @@ acpi_remove_notify_handler(acpi_handle device,
(handler_type > ACPI_MAX_NOTIFY_HANDLER_TYPE)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Make sure all deferred tasks are completed */
+
+ /* Make sure all deferred notify tasks are completed */
acpi_os_wait_events_complete();
@@ -596,7 +597,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
return_ACPI_STATUS(status);
}
- /* Allocate memory for the handler object */
+ /* Allocate and init handler object (before lock) */
handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_handler_info));
if (!handler) {
@@ -622,16 +623,15 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
goto free_and_exit;
}
- /* Allocate and init handler object */
-
handler->address = address;
handler->context = context;
handler->method_node = gpe_event_info->dispatch.method_node;
- handler->original_flags = gpe_event_info->flags &
- (ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
+ handler->original_flags = (u8)(gpe_event_info->flags &
+ (ACPI_GPE_XRUPT_TYPE_MASK |
+ ACPI_GPE_DISPATCH_MASK));
/*
- * If the GPE is associated with a method, it might have been enabled
+ * If the GPE is associated with a method, it may have been enabled
* automatically during initialization, in which case it has to be
* disabled now to avoid spurious execution of the handler.
*/
@@ -646,7 +646,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
gpe_event_info->dispatch.handler = handler;
- /* Setup up dispatch flags to indicate handler (vs. method) */
+ /* Setup up dispatch flags to indicate handler (vs. method/notify) */
gpe_event_info->flags &=
~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
@@ -697,7 +697,7 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Make sure all deferred tasks are completed */
+ /* Make sure all deferred GPE tasks are completed */
acpi_os_wait_events_complete();
@@ -747,10 +747,10 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
* enabled, it should be enabled at this point to restore the
* post-initialization configuration.
*/
-
- if ((handler->original_flags & ACPI_GPE_DISPATCH_METHOD)
- && handler->originally_enabled)
+ if ((handler->original_flags & ACPI_GPE_DISPATCH_METHOD) &&
+ handler->originally_enabled) {
(void)acpi_ev_add_gpe_reference(gpe_event_info);
+ }
/* Now we can free the handler object */
diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
index 35520c6eeef..d6e4e42316d 100644
--- a/drivers/acpi/acpica/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -61,7 +61,6 @@ ACPI_MODULE_NAME("evxfevnt")
* DESCRIPTION: Transfers the system into ACPI mode.
*
******************************************************************************/
-
acpi_status acpi_enable(void)
{
acpi_status status;
@@ -210,8 +209,8 @@ ACPI_EXPORT_SYMBOL(acpi_enable_event)
*
* FUNCTION: acpi_disable_event
*
- * PARAMETERS: Event - The fixed eventto be enabled
- * Flags - Reserved
+ * PARAMETERS: event - The fixed event to be disabled
+ * flags - Reserved
*
* RETURN: Status
*
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index 3f30e753b65..aff4cc26121 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -51,7 +51,7 @@
ACPI_MODULE_NAME("evxfgpe")
#if (!ACPI_REDUCED_HARDWARE) /* Entire module */
-/******************************************************************************
+/*******************************************************************************
*
* FUNCTION: acpi_update_all_gpes
*
@@ -172,6 +172,7 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
+
ACPI_EXPORT_SYMBOL(acpi_disable_gpe)
@@ -225,7 +226,7 @@ acpi_setup_gpe_for_wake(acpi_handle wake_device,
ACPI_CAST_PTR(struct acpi_namespace_node, wake_device);
}
- /* Validate WakeDevice is of type Device */
+ /* Validate wake_device is of type Device */
if (device_node->type != ACPI_TYPE_DEVICE) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
@@ -432,8 +433,8 @@ ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
*
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
- * event_status - Where the current status of the event will
- * be returned
+ * event_status - Where the current status of the event
+ * will be returned
*
* RETURN: Status
*
diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c
index 96b412d0395..96c9e5f355a 100644
--- a/drivers/acpi/acpica/evxfregn.c
+++ b/drivers/acpi/acpica/evxfregn.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c
index 16219bde48d..d93b70be60a 100644
--- a/drivers/acpi/acpica/exconfig.c
+++ b/drivers/acpi/acpica/exconfig.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -48,6 +48,7 @@
#include "actables.h"
#include "acdispat.h"
#include "acevents.h"
+#include "amlcode.h"
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("exconfig")
@@ -120,8 +121,11 @@ acpi_ex_add_table(u32 table_index,
acpi_ns_exec_module_code_list();
acpi_ex_enter_interpreter();
- /* Update GPEs for any new _Lxx/_Exx methods. Ignore errors */
-
+ /*
+ * Update GPEs for any new _Lxx/_Exx methods. Ignore errors. The host is
+ * responsible for discovering any new wake GPEs by running _PRW methods
+ * that may have been loaded by this table.
+ */
status = acpi_tb_get_owner_id(table_index, &owner_id);
if (ACPI_SUCCESS(status)) {
acpi_ev_update_gpes(owner_id);
@@ -158,12 +162,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
ACPI_FUNCTION_TRACE(ex_load_table_op);
- /* Validate lengths for the signature_string, OEMIDString, OEMtable_iD */
+ /* Validate lengths for the Signature, oem_id, and oem_table_id strings */
if ((operand[0]->string.length > ACPI_NAME_SIZE) ||
(operand[1]->string.length > ACPI_OEM_ID_SIZE) ||
(operand[2]->string.length > ACPI_OEM_TABLE_ID_SIZE)) {
- return_ACPI_STATUS(AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_AML_STRING_LIMIT);
}
/* Find the ACPI table in the RSDT/XSDT */
@@ -210,8 +214,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
/* parameter_path (optional parameter) */
if (operand[4]->string.length > 0) {
- if ((operand[4]->string.pointer[0] != '\\') &&
- (operand[4]->string.pointer[0] != '^')) {
+ if ((operand[4]->string.pointer[0] != AML_ROOT_PREFIX) &&
+ (operand[4]->string.pointer[0] != AML_PARENT_PREFIX)) {
/*
* Path is not absolute, so it will be relative to the node
* referenced by the root_path_string (or the NS root if omitted)
@@ -301,7 +305,7 @@ acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer)
acpi_ev_address_space_dispatch(obj_desc, NULL, ACPI_READ,
region_offset, 8, &value);
if (ACPI_FAILURE(status)) {
- return status;
+ return (status);
}
*buffer = (u8)value;
@@ -309,7 +313,7 @@ acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer)
region_offset++;
}
- return AE_OK;
+ return (AE_OK);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c
index 4492a4e0302..d2b9613bbf0 100644
--- a/drivers/acpi/acpica/exconvrt.c
+++ b/drivers/acpi/acpica/exconvrt.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -176,7 +176,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
/* Save the Result */
- acpi_ex_truncate_for32bit_table(return_desc);
+ (void)acpi_ex_truncate_for32bit_table(return_desc);
*result_desc = return_desc;
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c
index 66554bc6f9a..26a13f67977 100644
--- a/drivers/acpi/acpica/excreate.c
+++ b/drivers/acpi/acpica/excreate.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c
index d7c9f51608a..7eb853cd279 100644
--- a/drivers/acpi/acpica/exdebug.c
+++ b/drivers/acpi/acpica/exdebug.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c
index 858b43a7dcf..e5a3c249f7f 100644
--- a/drivers/acpi/acpica/exdump.c
+++ b/drivers/acpi/acpica/exdump.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -464,9 +464,8 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
ACPI_FUNCTION_NAME(ex_dump_operand)
- if (!
- ((ACPI_LV_EXEC & acpi_dbg_level)
- && (_COMPONENT & acpi_dbg_layer))) {
+ /* Check if debug output enabled */
+ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_EXEC, _COMPONENT)) {
return;
}
@@ -811,9 +810,10 @@ void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags)
ACPI_FUNCTION_ENTRY();
if (!flags) {
- if (!
- ((ACPI_LV_OBJECTS & acpi_dbg_level)
- && (_COMPONENT & acpi_dbg_layer))) {
+
+ /* Check if debug output enabled */
+
+ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_OBJECTS, _COMPONENT)) {
return;
}
}
@@ -999,9 +999,10 @@ acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
}
if (!flags) {
- if (!
- ((ACPI_LV_OBJECTS & acpi_dbg_level)
- && (_COMPONENT & acpi_dbg_layer))) {
+
+ /* Check if debug output enabled */
+
+ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_OBJECTS, _COMPONENT)) {
return_VOID;
}
}
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index ebc55fbf3ff..7d4bae71e8c 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index aa2ccfb7cb6..ec7f5690031 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -329,7 +329,6 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
static u8
acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value)
{
- ACPI_FUNCTION_NAME(ex_register_overflow);
if (obj_desc->common_field.bit_length >= ACPI_INTEGER_BIT_SIZE) {
/*
diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c
index 84058705ed1..72a2a13b6d3 100644
--- a/drivers/acpi/acpica/exmisc.c
+++ b/drivers/acpi/acpica/exmisc.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c
index d1f449d93dc..7be0205ad06 100644
--- a/drivers/acpi/acpica/exmutex.c
+++ b/drivers/acpi/acpica/exmutex.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -377,7 +377,8 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED);
}
- /* Must have a valid thread. */
+ /* Must have a valid thread ID */
+
if (!walk_state->thread) {
ACPI_ERROR((AE_INFO,
"Cannot release Mutex [%4.4s], null thread info",
diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c
index 2ff578a16ad..14689dec496 100644
--- a/drivers/acpi/acpica/exnames.c
+++ b/drivers/acpi/acpica/exnames.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c
index bbf01e9bf05..b60c877f590 100644
--- a/drivers/acpi/acpica/exoparg1.c
+++ b/drivers/acpi/acpica/exoparg1.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -948,13 +948,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
*/
return_desc =
acpi_ut_create_integer_object((u64)
- temp_desc->
- buffer.
- pointer
- [operand
- [0]->
- reference.
- value]);
+ temp_desc->buffer.pointer[operand[0]->reference.value]);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c
index ee5634a074c..e491e46f17d 100644
--- a/drivers/acpi/acpica/exoparg2.c
+++ b/drivers/acpi/acpica/exoparg2.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c
index 2c89b4651f0..2d7491f3126 100644
--- a/drivers/acpi/acpica/exoparg3.c
+++ b/drivers/acpi/acpica/exoparg3.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c
index 3e08695c3b3..b76b97002df 100644
--- a/drivers/acpi/acpica/exoparg6.c
+++ b/drivers/acpi/acpica/exoparg6.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index ba9db4de7c8..d6eab81f54f 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -276,7 +276,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
/* Invalid field access type */
ACPI_ERROR((AE_INFO, "Unknown field access type 0x%X", access));
- return_UINT32(0);
+ return_VALUE(0);
}
if (obj_desc->common.type == ACPI_TYPE_BUFFER_FIELD) {
@@ -289,7 +289,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
}
*return_byte_alignment = byte_alignment;
- return_UINT32(bit_length);
+ return_VALUE(bit_length);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 1db2c0bfde0..182abaf045e 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -142,9 +142,9 @@ acpi_ex_system_memory_space_handler(u32 function,
}
/*
- * Attempt to map from the requested address to the end of the region.
- * However, we will never map more than one page, nor will we cross
- * a page boundary.
+ * October 2009: Attempt to map from the requested address to the
+ * end of the region. However, we will never map more than one
+ * page, nor will we cross a page boundary.
*/
map_length = (acpi_size)
((mem_info->address + mem_info->length) - address);
@@ -154,12 +154,15 @@ acpi_ex_system_memory_space_handler(u32 function,
* a page boundary, just map up to the page boundary, do not cross.
* On some systems, crossing a page boundary while mapping regions
* can cause warnings if the pages have different attributes
- * due to resource management
+ * due to resource management.
+ *
+ * This has the added benefit of constraining a single mapping to
+ * one page, which is similar to the original code that used a 4k
+ * maximum window.
*/
page_boundary_map_length =
ACPI_ROUND_UP(address, ACPI_DEFAULT_PAGE_SIZE) - address;
-
- if (!page_boundary_map_length) {
+ if (page_boundary_map_length == 0) {
page_boundary_map_length = ACPI_DEFAULT_PAGE_SIZE;
}
@@ -236,19 +239,19 @@ acpi_ex_system_memory_space_handler(u32 function,
switch (bit_width) {
case 8:
- ACPI_SET8(logical_addr_ptr) = (u8) * value;
+ ACPI_SET8(logical_addr_ptr, *value);
break;
case 16:
- ACPI_SET16(logical_addr_ptr) = (u16) * value;
+ ACPI_SET16(logical_addr_ptr, *value);
break;
case 32:
- ACPI_SET32(logical_addr_ptr) = (u32) * value;
+ ACPI_SET32(logical_addr_ptr, *value);
break;
case 64:
- ACPI_SET64(logical_addr_ptr) = (u64) * value;
+ ACPI_SET64(logical_addr_ptr, *value);
break;
default:
diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c
index 6239956786e..8565b6bd12b 100644
--- a/drivers/acpi/acpica/exresnte.c
+++ b/drivers/acpi/acpica/exresnte.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c
index cc176b245e2..e4f9dfbb2a1 100644
--- a/drivers/acpi/acpica/exresolv.c
+++ b/drivers/acpi/acpica/exresolv.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c
index b9ebff2f6a0..9fb9f5e9a4d 100644
--- a/drivers/acpi/acpica/exresop.c
+++ b/drivers/acpi/acpica/exresop.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c
index 90431f12f83..93c6049c2d7 100644
--- a/drivers/acpi/acpica/exstore.c
+++ b/drivers/acpi/acpica/exstore.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -487,14 +487,33 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
default:
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Storing %s (%p) directly into node (%p) with no implicit conversion\n",
+ "Storing [%s] (%p) directly into node [%s] (%p)"
+ " with no implicit conversion\n",
acpi_ut_get_object_type_name(source_desc),
- source_desc, node));
+ source_desc,
+ acpi_ut_get_object_type_name(target_desc),
+ node));
- /* No conversions for all other types. Just attach the source object */
+ /*
+ * No conversions for all other types. Directly store a copy of
+ * the source object. NOTE: This is a departure from the ACPI
+ * spec, which states "If conversion is impossible, abort the
+ * running control method".
+ *
+ * This code implements "If conversion is impossible, treat the
+ * Store operation as a CopyObject".
+ */
+ status =
+ acpi_ut_copy_iobject_to_iobject(source_desc, &new_desc,
+ walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
- status = acpi_ns_attach_object(node, source_desc,
- source_desc->common.type);
+ status =
+ acpi_ns_attach_object(node, new_desc,
+ new_desc->common.type);
+ acpi_ut_remove_reference(new_desc);
break;
}
diff --git a/drivers/acpi/acpica/exstoren.c b/drivers/acpi/acpica/exstoren.c
index 87153bbc4b4..1cefe777068 100644
--- a/drivers/acpi/acpica/exstoren.c
+++ b/drivers/acpi/acpica/exstoren.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -253,7 +253,7 @@ acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
/* Truncate value if we are executing from a 32-bit ACPI table */
- acpi_ex_truncate_for32bit_table(dest_desc);
+ (void)acpi_ex_truncate_for32bit_table(dest_desc);
break;
case ACPI_TYPE_STRING:
diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c
index b5f339cb130..26e371073b1 100644
--- a/drivers/acpi/acpica/exstorob.c
+++ b/drivers/acpi/acpica/exstorob.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c
index c8a0ad5c1f5..6578dee2e51 100644
--- a/drivers/acpi/acpica/exsystem.c
+++ b/drivers/acpi/acpica/exsystem.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c
index 264d22d8018..b205cbb4b50 100644
--- a/drivers/acpi/acpica/exutils.c
+++ b/drivers/acpi/acpica/exutils.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -202,35 +202,39 @@ void acpi_ex_relinquish_interpreter(void)
*
* PARAMETERS: obj_desc - Object to be truncated
*
- * RETURN: none
+ * RETURN: TRUE if a truncation was performed, FALSE otherwise.
*
* DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is
* 32-bit, as determined by the revision of the DSDT.
*
******************************************************************************/
-void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc)
+u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc)
{
ACPI_FUNCTION_ENTRY();
/*
* Object must be a valid number and we must be executing
- * a control method. NS node could be there for AML_INT_NAMEPATH_OP.
+ * a control method. Object could be NS node for AML_INT_NAMEPATH_OP.
*/
if ((!obj_desc) ||
(ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) ||
(obj_desc->common.type != ACPI_TYPE_INTEGER)) {
- return;
+ return (FALSE);
}
- if (acpi_gbl_integer_byte_width == 4) {
+ if ((acpi_gbl_integer_byte_width == 4) &&
+ (obj_desc->integer.value > (u64)ACPI_UINT32_MAX)) {
/*
- * We are running a method that exists in a 32-bit ACPI table.
+ * We are executing in a 32-bit ACPI table.
* Truncate the value to 32 bits by zeroing out the upper 32-bit field
*/
- obj_desc->integer.value &= (u64) ACPI_UINT32_MAX;
+ obj_desc->integer.value &= (u64)ACPI_UINT32_MAX;
+ return (TRUE);
}
+
+ return (FALSE);
}
/*******************************************************************************
@@ -336,7 +340,7 @@ static u32 acpi_ex_digits_needed(u64 value, u32 base)
/* u64 is unsigned, so we don't worry about a '-' prefix */
if (value == 0) {
- return_UINT32(1);
+ return_VALUE(1);
}
current_value = value;
@@ -350,7 +354,7 @@ static u32 acpi_ex_digits_needed(u64 value, u32 base)
num_digits++;
}
- return_UINT32(num_digits);
+ return_VALUE(num_digits);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c
index 90a9aea1cee..deb3f61e2bd 100644
--- a/drivers/acpi/acpica/hwacpi.c
+++ b/drivers/acpi/acpica/hwacpi.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -108,8 +108,7 @@ acpi_status acpi_hw_set_mode(u32 mode)
* enable bits to default
*/
status = acpi_hw_write_port(acpi_gbl_FADT.smi_command,
- (u32) acpi_gbl_FADT.acpi_disable,
- 8);
+ (u32)acpi_gbl_FADT.acpi_disable, 8);
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Attempting to enable Legacy (non-ACPI) mode\n"));
break;
@@ -152,18 +151,18 @@ u32 acpi_hw_get_mode(void)
* system does not support mode transition.
*/
if (!acpi_gbl_FADT.smi_command) {
- return_UINT32(ACPI_SYS_MODE_ACPI);
+ return_VALUE(ACPI_SYS_MODE_ACPI);
}
status = acpi_read_bit_register(ACPI_BITREG_SCI_ENABLE, &value);
if (ACPI_FAILURE(status)) {
- return_UINT32(ACPI_SYS_MODE_LEGACY);
+ return_VALUE(ACPI_SYS_MODE_LEGACY);
}
if (value) {
- return_UINT32(ACPI_SYS_MODE_ACPI);
+ return_VALUE(ACPI_SYS_MODE_ACPI);
} else {
- return_UINT32(ACPI_SYS_MODE_LEGACY);
+ return_VALUE(ACPI_SYS_MODE_LEGACY);
}
}
diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c
index 94996f9ae3a..5e5f76230f5 100644
--- a/drivers/acpi/acpica/hwesleep.c
+++ b/drivers/acpi/acpica/hwesleep.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -200,7 +200,6 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
* FUNCTION: acpi_hw_extended_wake
*
* PARAMETERS: sleep_state - Which sleep state we just exited
- * flags - Reserved, set to zero
*
* RETURN: Status
*
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index 64560045052..20d02e93c99 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -69,8 +69,10 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info)
{
- return (u32)1 << (gpe_event_info->gpe_number -
- gpe_event_info->register_info->base_gpe_number);
+
+ return ((u32)1 <<
+ (gpe_event_info->gpe_number -
+ gpe_event_info->register_info->base_gpe_number));
}
/******************************************************************************
@@ -133,7 +135,7 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action)
break;
default:
- ACPI_ERROR((AE_INFO, "Invalid GPE Action, %u\n", action));
+ ACPI_ERROR((AE_INFO, "Invalid GPE Action, %u", action));
return (AE_BAD_PARAMETER);
}
diff --git a/drivers/acpi/acpica/hwpci.c b/drivers/acpi/acpica/hwpci.c
index 65bc3453a29..0889a629505 100644
--- a/drivers/acpi/acpica/hwpci.c
+++ b/drivers/acpi/acpica/hwpci.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
index f4e57503576..083d6551f0e 100644
--- a/drivers/acpi/acpica/hwregs.c
+++ b/drivers/acpi/acpica/hwregs.c
@@ -6,7 +6,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -44,7 +44,6 @@
#include <acpi/acpi.h>
#include "accommon.h"
-#include "acnamesp.h"
#include "acevents.h"
#define _COMPONENT ACPI_HARDWARE
@@ -364,8 +363,7 @@ acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control)
* DESCRIPTION: Read from the specified ACPI register
*
******************************************************************************/
-acpi_status
-acpi_hw_register_read(u32 register_id, u32 * return_value)
+acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value)
{
u32 value = 0;
acpi_status status;
@@ -485,7 +483,7 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
&acpi_gbl_xpm1b_status);
break;
- case ACPI_REGISTER_PM1_ENABLE: /* PM1 A/B: 16-bit access */
+ case ACPI_REGISTER_PM1_ENABLE: /* PM1 A/B: 16-bit access each */
status = acpi_hw_write_multiple(value,
&acpi_gbl_xpm1a_enable,
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index 3fddde056a5..e3828cc4361 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -45,7 +45,6 @@
#include <acpi/acpi.h>
#include <linux/acpi.h>
#include "accommon.h"
-#include <linux/module.h>
#define _COMPONENT ACPI_HARDWARE
ACPI_MODULE_NAME("hwsleep")
@@ -178,7 +177,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
* to still read the right value. Ideally, this block would go
* away entirely.
*/
- acpi_os_stall(10000000);
+ acpi_os_stall(10 * ACPI_USEC_PER_SEC);
status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL,
sleep_enable_reg_info->
@@ -323,7 +322,8 @@ acpi_status acpi_hw_legacy_wake(u8 sleep_state)
* and use it to determine whether the system is rebooting or
* resuming. Clear WAK_STS for compatibility.
*/
- acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, 1);
+ (void)acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS,
+ ACPI_CLEAR_STATUS);
acpi_gbl_system_awake_and_running = TRUE;
/* Enable power button */
diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c
index bfdce22f379..0c1a8bbd05d 100644
--- a/drivers/acpi/acpica/hwtimer.c
+++ b/drivers/acpi/acpica/hwtimer.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -176,10 +176,11 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
/*
* Compute Duration (Requires a 64-bit multiply and divide):
*
- * time_elapsed = (delta_ticks * 1000000) / PM_TIMER_FREQUENCY;
+ * time_elapsed (microseconds) =
+ * (delta_ticks * ACPI_USEC_PER_SEC) / ACPI_PM_TIMER_FREQUENCY;
*/
- status = acpi_ut_short_divide(((u64) delta_ticks) * 1000000,
- PM_TIMER_FREQUENCY, &quotient, NULL);
+ status = acpi_ut_short_divide(((u64)delta_ticks) * ACPI_USEC_PER_SEC,
+ ACPI_PM_TIMER_FREQUENCY, &quotient, NULL);
*time_elapsed = (u32) quotient;
return_ACPI_STATUS(status);
diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index b6aae58299d..eab70d58852 100644
--- a/drivers/acpi/acpica/hwvalid.c
+++ b/drivers/acpi/acpica/hwvalid.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -135,7 +135,7 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width)
if ((bit_width != 8) && (bit_width != 16) && (bit_width != 32)) {
ACPI_ERROR((AE_INFO,
"Bad BitWidth parameter: %8.8X", bit_width));
- return AE_BAD_PARAMETER;
+ return (AE_BAD_PARAMETER);
}
port_info = acpi_protected_ports;
@@ -234,11 +234,11 @@ acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width)
status = acpi_hw_validate_io_request(address, width);
if (ACPI_SUCCESS(status)) {
status = acpi_os_read_port(address, value, width);
- return status;
+ return (status);
}
if (status != AE_AML_ILLEGAL_ADDRESS) {
- return status;
+ return (status);
}
/*
@@ -253,7 +253,7 @@ acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width)
if (acpi_hw_validate_io_request(address, 8) == AE_OK) {
status = acpi_os_read_port(address, &one_byte, 8);
if (ACPI_FAILURE(status)) {
- return status;
+ return (status);
}
*value |= (one_byte << i);
@@ -262,7 +262,7 @@ acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width)
address++;
}
- return AE_OK;
+ return (AE_OK);
}
/******************************************************************************
@@ -297,11 +297,11 @@ acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width)
status = acpi_hw_validate_io_request(address, width);
if (ACPI_SUCCESS(status)) {
status = acpi_os_write_port(address, value, width);
- return status;
+ return (status);
}
if (status != AE_AML_ILLEGAL_ADDRESS) {
- return status;
+ return (status);
}
/*
@@ -317,12 +317,12 @@ acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width)
status =
acpi_os_write_port(address, (value >> i) & 0xFF, 8);
if (ACPI_FAILURE(status)) {
- return status;
+ return (status);
}
}
address++;
}
- return AE_OK;
+ return (AE_OK);
}
diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c
index 05a154c3c9a..04c2e16f2c0 100644
--- a/drivers/acpi/acpica/hwxface.c
+++ b/drivers/acpi/acpica/hwxface.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -80,10 +80,10 @@ acpi_status acpi_reset(void)
if (reset_reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO) {
/*
- * For I/O space, write directly to the OSL. This
- * bypasses the port validation mechanism, which may
- * block a valid write to the reset register. Spec
- * section 4.7.3.6 requires register width to be 8.
+ * For I/O space, write directly to the OSL. This bypasses the port
+ * validation mechanism, which may block a valid write to the reset
+ * register.
+ * Spec section 4.7.3.6 requires register width to be 8.
*/
status =
acpi_os_write_port((acpi_io_address) reset_reg->address,
@@ -333,7 +333,7 @@ ACPI_EXPORT_SYMBOL(acpi_read_bit_register)
* FUNCTION: acpi_write_bit_register
*
* PARAMETERS: register_id - ID of ACPI Bit Register to access
- * Value - Value to write to the register, in bit
+ * value - Value to write to the register, in bit
* position zero. The bit is automatically
* shifted to the correct position.
*
@@ -440,17 +440,41 @@ ACPI_EXPORT_SYMBOL(acpi_write_bit_register)
* *sleep_type_a - Where SLP_TYPa is returned
* *sleep_type_b - Where SLP_TYPb is returned
*
- * RETURN: status - ACPI status
+ * RETURN: Status
+ *
+ * DESCRIPTION: Obtain the SLP_TYPa and SLP_TYPb values for the requested
+ * sleep state via the appropriate \_Sx object.
+ *
+ * The sleep state package returned from the corresponding \_Sx_ object
+ * must contain at least one integer.
+ *
+ * March 2005:
+ * Added support for a package that contains two integers. This
+ * goes against the ACPI specification which defines this object as a
+ * package with one encoded DWORD integer. However, existing practice
+ * by many BIOS vendors is to return a package with 2 or more integer
+ * elements, at least one per sleep type (A/B).
*
- * DESCRIPTION: Obtain the SLP_TYPa and SLP_TYPb values for the requested sleep
- * state.
+ * January 2013:
+ * Therefore, we must be prepared to accept a package with either a
+ * single integer or multiple integers.
+ *
+ * The single integer DWORD format is as follows:
+ * BYTE 0 - Value for the PM1A SLP_TYP register
+ * BYTE 1 - Value for the PM1B SLP_TYP register
+ * BYTE 2-3 - Reserved
+ *
+ * The dual integer format is as follows:
+ * Integer 0 - Value for the PM1A SLP_TYP register
+ * Integer 1 - Value for the PM1A SLP_TYP register
*
******************************************************************************/
acpi_status
acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
{
- acpi_status status = AE_OK;
+ acpi_status status;
struct acpi_evaluate_info *info;
+ union acpi_operand_object **elements;
ACPI_FUNCTION_TRACE(acpi_get_sleep_type_data);
@@ -467,18 +491,14 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
return_ACPI_STATUS(AE_NO_MEMORY);
}
+ /*
+ * Evaluate the \_Sx namespace object containing the register values
+ * for this state
+ */
info->pathname =
ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]);
-
- /* Evaluate the namespace object containing the values for this state */
-
status = acpi_ns_evaluate(info);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "%s while evaluating SleepState [%s]\n",
- acpi_format_exception(status),
- info->pathname));
-
goto cleanup;
}
@@ -487,64 +507,67 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 *sleep_type_a, u8 *sleep_type_b)
if (!info->return_object) {
ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]",
info->pathname));
- status = AE_NOT_EXIST;
+ status = AE_AML_NO_RETURN_VALUE;
+ goto cleanup;
}
- /* It must be of type Package */
+ /* Return object must be of type Package */
- else if (info->return_object->common.type != ACPI_TYPE_PACKAGE) {
+ if (info->return_object->common.type != ACPI_TYPE_PACKAGE) {
ACPI_ERROR((AE_INFO,
"Sleep State return object is not a Package"));
status = AE_AML_OPERAND_TYPE;
+ goto cleanup1;
}
/*
- * The package must have at least two elements. NOTE (March 2005): This
- * goes against the current ACPI spec which defines this object as a
- * package with one encoded DWORD element. However, existing practice
- * by BIOS vendors seems to be to have 2 or more elements, at least
- * one per sleep type (A/B).
+ * Any warnings about the package length or the object types have
+ * already been issued by the predefined name module -- there is no
+ * need to repeat them here.
*/
- else if (info->return_object->package.count < 2) {
- ACPI_ERROR((AE_INFO,
- "Sleep State return package does not have at least two elements"));
- status = AE_AML_NO_OPERAND;
- }
+ elements = info->return_object->package.elements;
+ switch (info->return_object->package.count) {
+ case 0:
+ status = AE_AML_PACKAGE_LIMIT;
+ break;
+
+ case 1:
+ if (elements[0]->common.type != ACPI_TYPE_INTEGER) {
+ status = AE_AML_OPERAND_TYPE;
+ break;
+ }
- /* The first two elements must both be of type Integer */
+ /* A valid _Sx_ package with one integer */
- else if (((info->return_object->package.elements[0])->common.type
- != ACPI_TYPE_INTEGER) ||
- ((info->return_object->package.elements[1])->common.type
- != ACPI_TYPE_INTEGER)) {
- ACPI_ERROR((AE_INFO,
- "Sleep State return package elements are not both Integers "
- "(%s, %s)",
- acpi_ut_get_object_type_name(info->return_object->
- package.elements[0]),
- acpi_ut_get_object_type_name(info->return_object->
- package.elements[1])));
- status = AE_AML_OPERAND_TYPE;
- } else {
- /* Valid _Sx_ package size, type, and value */
+ *sleep_type_a = (u8)elements[0]->integer.value;
+ *sleep_type_b = (u8)(elements[0]->integer.value >> 8);
+ break;
- *sleep_type_a = (u8)
- (info->return_object->package.elements[0])->integer.value;
- *sleep_type_b = (u8)
- (info->return_object->package.elements[1])->integer.value;
- }
+ case 2:
+ default:
+ if ((elements[0]->common.type != ACPI_TYPE_INTEGER) ||
+ (elements[1]->common.type != ACPI_TYPE_INTEGER)) {
+ status = AE_AML_OPERAND_TYPE;
+ break;
+ }
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status,
- "While evaluating SleepState [%s], bad Sleep object %p type %s",
- info->pathname, info->return_object,
- acpi_ut_get_object_type_name(info->
- return_object)));
+ /* A valid _Sx_ package with two integers */
+
+ *sleep_type_a = (u8)elements[0]->integer.value;
+ *sleep_type_b = (u8)elements[1]->integer.value;
+ break;
}
+ cleanup1:
acpi_ut_remove_reference(info->return_object);
cleanup:
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "While evaluating Sleep State [%s]",
+ info->pathname));
+ }
+
ACPI_FREE(info);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index ae443fe2ebf..35eebdac0f9 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -41,9 +41,9 @@
* POSSIBILITY OF SUCH DAMAGES.
*/
+#include <linux/export.h>
#include <acpi/acpi.h>
#include "accommon.h"
-#include <linux/module.h>
#define _COMPONENT ACPI_HARDWARE
ACPI_MODULE_NAME("hwxfsleep")
@@ -207,7 +207,7 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
(u32)acpi_gbl_FADT.s4_bios_request, 8);
do {
- acpi_os_stall(1000);
+ acpi_os_stall(ACPI_USEC_PER_MSEC);
status =
acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, &in_value);
if (ACPI_FAILURE(status)) {
@@ -350,7 +350,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
*
* RETURN: Status
*
- * DESCRIPTION: Enter a system sleep state (see ACPI 2.0 spec p 231)
+ * DESCRIPTION: Enter a system sleep state
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
@@ -382,8 +382,9 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
* RETURN: Status
*
* DESCRIPTION: Perform the first state of OS-independent ACPI cleanup after a
- * sleep.
- * Called with interrupts DISABLED.
+ * sleep. Called with interrupts DISABLED.
+ * We break wake/resume into 2 stages so that OSPM can handle
+ * various OS-specific tasks between the two steps.
*
******************************************************************************/
acpi_status acpi_leave_sleep_state_prep(u8 sleep_state)
diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c
index d70eaf39dfd..8769cf83b04 100644
--- a/drivers/acpi/acpica/nsaccess.c
+++ b/drivers/acpi/acpica/nsaccess.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c
index 15143c44f5e..243737363fb 100644
--- a/drivers/acpi/acpica/nsalloc.c
+++ b/drivers/acpi/acpica/nsalloc.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index 924b3c71473..ce6e9732620 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -44,6 +44,7 @@
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
+#include <acpi/acoutput.h>
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsdump")
@@ -77,8 +78,9 @@ void acpi_ns_print_pathname(u32 num_segments, char *pathname)
ACPI_FUNCTION_NAME(ns_print_pathname);
- if (!(acpi_dbg_level & ACPI_LV_NAMES)
- || !(acpi_dbg_layer & ACPI_NAMESPACE)) {
+ /* Check if debug output enabled */
+
+ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_NAMES, ACPI_NAMESPACE)) {
return;
}
@@ -127,7 +129,7 @@ acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
/* Do this only if the requested debug level and component are enabled */
- if (!(acpi_dbg_level & level) || !(acpi_dbg_layer & component)) {
+ if (!ACPI_IS_DEBUG_ENABLED(level, component)) {
return_VOID;
}
@@ -729,5 +731,5 @@ void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
ACPI_OWNER_ID_MAX, search_handle);
return_VOID;
}
-#endif /* _ACPI_ASL_COMPILER */
-#endif /* defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) */
+#endif
+#endif
diff --git a/drivers/acpi/acpica/nsdumpdv.c b/drivers/acpi/acpica/nsdumpdv.c
index 944d4c8d943..409ae80824d 100644
--- a/drivers/acpi/acpica/nsdumpdv.c
+++ b/drivers/acpi/acpica/nsdumpdv.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -42,7 +42,6 @@
*/
#include <acpi/acpi.h>
-#include "accommon.h"
/* TBD: This entire module is apparently obsolete and should be removed */
diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c
index 69074be498e..1538f3eb2a8 100644
--- a/drivers/acpi/acpica/nseval.c
+++ b/drivers/acpi/acpica/nseval.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index 4328e2adfeb..2a431ec50a2 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -46,7 +46,6 @@
#include "acnamesp.h"
#include "acdispat.h"
#include "acinterp.h"
-#include <linux/nmi.h>
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsinit")
@@ -87,7 +86,7 @@ acpi_status acpi_ns_initialize_objects(void)
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"**** Starting initialization of namespace objects ****\n"));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "Completing Region/Field/Buffer/Package initialization:"));
+ "Completing Region/Field/Buffer/Package initialization:\n"));
/* Set all init info to zero */
@@ -103,7 +102,7 @@ acpi_status acpi_ns_initialize_objects(void)
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "\nInitialized %u/%u Regions %u/%u Fields %u/%u "
+ " Initialized %u/%u Regions %u/%u Fields %u/%u "
"Buffers %u/%u Packages (%u nodes)\n",
info.op_region_init, info.op_region_count,
info.field_init, info.field_count,
@@ -150,7 +149,7 @@ acpi_status acpi_ns_initialize_devices(void)
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
"Initializing Device/Processor/Thermal objects "
- "by executing _INI methods:"));
+ "and executing _INI/_STA methods:\n"));
/* Tree analysis: find all subtrees that contain _INI methods */
@@ -208,7 +207,7 @@ acpi_status acpi_ns_initialize_devices(void)
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "\nExecuted %u _INI methods requiring %u _STA executions "
+ " Executed %u _INI methods requiring %u _STA executions "
"(examined %u objects)\n",
info.num_INI, info.num_STA, info.device_count));
@@ -350,14 +349,6 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
}
/*
- * Print a dot for each object unless we are going to print the entire
- * pathname
- */
- if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
- }
-
- /*
* We ignore errors from above, and always return OK, since we don't want
* to abort the walk on any single error.
*/
@@ -572,20 +563,10 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
info->parameters = NULL;
info->flags = ACPI_IGNORE_RETURN_VALUE;
- /*
- * Some hardware relies on this being executed as atomically
- * as possible (without an NMI being received in the middle of
- * this) - so disable NMIs and initialize the device:
- */
status = acpi_ns_evaluate(info);
if (ACPI_SUCCESS(status)) {
walk_info->num_INI++;
-
- if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) &&
- (!(acpi_dbg_level & ACPI_LV_INFO))) {
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
- }
}
#ifdef ACPI_DEBUG_OUTPUT
else if (status != AE_NOT_FOUND) {
diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c
index 911f99127b9..0a7badc3179 100644
--- a/drivers/acpi/acpica/nsload.c
+++ b/drivers/acpi/acpica/nsload.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c
index 55a175eadcc..90a0380fb8a 100644
--- a/drivers/acpi/acpica/nsnames.c
+++ b/drivers/acpi/acpica/nsnames.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -126,7 +126,8 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
* the node, In external format (name segments separated by path
* separators.)
*
- * DESCRIPTION: Used for debug printing in acpi_ns_search_table().
+ * DESCRIPTION: Used to obtain the full pathname to a namespace node, usually
+ * for error and debug statements.
*
******************************************************************************/
diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c
index e69f7fa2579..7a736f4d1fd 100644
--- a/drivers/acpi/acpica/nsobject.c
+++ b/drivers/acpi/acpica/nsobject.c
@@ -6,7 +6,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c
index 233f756d5cf..35dde8151c0 100644
--- a/drivers/acpi/acpica/nsparse.c
+++ b/drivers/acpi/acpica/nsparse.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c
index 2419f417ea3..224c3005340 100644
--- a/drivers/acpi/acpica/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -1,12 +1,11 @@
/******************************************************************************
*
* Module Name: nspredef - Validation of ACPI predefined methods and objects
- * $Revision: 1.1 $
*
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -74,27 +73,6 @@ ACPI_MODULE_NAME("nspredef")
******************************************************************************/
/* Local prototypes */
static acpi_status
-acpi_ns_check_package(struct acpi_predefined_data *data,
- union acpi_operand_object **return_object_ptr);
-
-static acpi_status
-acpi_ns_check_package_list(struct acpi_predefined_data *data,
- const union acpi_predefined_info *package,
- union acpi_operand_object **elements, u32 count);
-
-static acpi_status
-acpi_ns_check_package_elements(struct acpi_predefined_data *data,
- union acpi_operand_object **elements,
- u8 type1,
- u32 count1,
- u8 type2, u32 count2, u32 start_index);
-
-static acpi_status
-acpi_ns_check_object_type(struct acpi_predefined_data *data,
- union acpi_operand_object **return_object_ptr,
- u32 expected_btypes, u32 package_index);
-
-static acpi_status
acpi_ns_check_reference(struct acpi_predefined_data *data,
union acpi_operand_object *return_object);
@@ -148,7 +126,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
pathname = acpi_ns_get_external_pathname(node);
if (!pathname) {
- return AE_OK; /* Could not get pathname, ignore */
+ return (AE_OK); /* Could not get pathname, ignore */
}
/*
@@ -408,564 +386,6 @@ const union acpi_predefined_info *acpi_ns_check_for_predefined_name(struct
/*******************************************************************************
*
- * FUNCTION: acpi_ns_check_package
- *
- * PARAMETERS: data - Pointer to validation data structure
- * return_object_ptr - Pointer to the object returned from the
- * evaluation of a method or object
- *
- * RETURN: Status
- *
- * DESCRIPTION: Check a returned package object for the correct count and
- * correct type of all sub-objects.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ns_check_package(struct acpi_predefined_data *data,
- union acpi_operand_object **return_object_ptr)
-{
- union acpi_operand_object *return_object = *return_object_ptr;
- const union acpi_predefined_info *package;
- union acpi_operand_object **elements;
- acpi_status status = AE_OK;
- u32 expected_count;
- u32 count;
- u32 i;
-
- ACPI_FUNCTION_NAME(ns_check_package);
-
- /* The package info for this name is in the next table entry */
-
- package = data->predefined + 1;
-
- ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
- "%s Validating return Package of Type %X, Count %X\n",
- data->pathname, package->ret_info.type,
- return_object->package.count));
-
- /*
- * For variable-length Packages, we can safely remove all embedded
- * and trailing NULL package elements
- */
- acpi_ns_remove_null_elements(data, package->ret_info.type,
- return_object);
-
- /* Extract package count and elements array */
-
- elements = return_object->package.elements;
- count = return_object->package.count;
-
- /* The package must have at least one element, else invalid */
-
- if (!count) {
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
- "Return Package has no elements (empty)"));
-
- return (AE_AML_OPERAND_VALUE);
- }
-
- /*
- * Decode the type of the expected package contents
- *
- * PTYPE1 packages contain no subpackages
- * PTYPE2 packages contain sub-packages
- */
- switch (package->ret_info.type) {
- case ACPI_PTYPE1_FIXED:
-
- /*
- * The package count is fixed and there are no sub-packages
- *
- * If package is too small, exit.
- * If package is larger than expected, issue warning but continue
- */
- expected_count =
- package->ret_info.count1 + package->ret_info.count2;
- if (count < expected_count) {
- goto package_too_small;
- } else if (count > expected_count) {
- ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
- "%s: Return Package is larger than needed - "
- "found %u, expected %u\n",
- data->pathname, count,
- expected_count));
- }
-
- /* Validate all elements of the returned package */
-
- status = acpi_ns_check_package_elements(data, elements,
- package->ret_info.
- object_type1,
- package->ret_info.
- count1,
- package->ret_info.
- object_type2,
- package->ret_info.
- count2, 0);
- break;
-
- case ACPI_PTYPE1_VAR:
-
- /*
- * The package count is variable, there are no sub-packages, and all
- * elements must be of the same type
- */
- for (i = 0; i < count; i++) {
- status = acpi_ns_check_object_type(data, elements,
- package->ret_info.
- object_type1, i);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- elements++;
- }
- break;
-
- case ACPI_PTYPE1_OPTION:
-
- /*
- * The package count is variable, there are no sub-packages. There are
- * a fixed number of required elements, and a variable number of
- * optional elements.
- *
- * Check if package is at least as large as the minimum required
- */
- expected_count = package->ret_info3.count;
- if (count < expected_count) {
- goto package_too_small;
- }
-
- /* Variable number of sub-objects */
-
- for (i = 0; i < count; i++) {
- if (i < package->ret_info3.count) {
-
- /* These are the required package elements (0, 1, or 2) */
-
- status =
- acpi_ns_check_object_type(data, elements,
- package->
- ret_info3.
- object_type[i],
- i);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- } else {
- /* These are the optional package elements */
-
- status =
- acpi_ns_check_object_type(data, elements,
- package->
- ret_info3.
- tail_object_type,
- i);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- }
- elements++;
- }
- break;
-
- case ACPI_PTYPE2_REV_FIXED:
-
- /* First element is the (Integer) revision */
-
- status = acpi_ns_check_object_type(data, elements,
- ACPI_RTYPE_INTEGER, 0);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- elements++;
- count--;
-
- /* Examine the sub-packages */
-
- status =
- acpi_ns_check_package_list(data, package, elements, count);
- break;
-
- case ACPI_PTYPE2_PKG_COUNT:
-
- /* First element is the (Integer) count of sub-packages to follow */
-
- status = acpi_ns_check_object_type(data, elements,
- ACPI_RTYPE_INTEGER, 0);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- /*
- * Count cannot be larger than the parent package length, but allow it
- * to be smaller. The >= accounts for the Integer above.
- */
- expected_count = (u32) (*elements)->integer.value;
- if (expected_count >= count) {
- goto package_too_small;
- }
-
- count = expected_count;
- elements++;
-
- /* Examine the sub-packages */
-
- status =
- acpi_ns_check_package_list(data, package, elements, count);
- break;
-
- case ACPI_PTYPE2:
- case ACPI_PTYPE2_FIXED:
- case ACPI_PTYPE2_MIN:
- case ACPI_PTYPE2_COUNT:
- case ACPI_PTYPE2_FIX_VAR:
-
- /*
- * These types all return a single Package that consists of a
- * variable number of sub-Packages.
- *
- * First, ensure that the first element is a sub-Package. If not,
- * the BIOS may have incorrectly returned the object as a single
- * package instead of a Package of Packages (a common error if
- * there is only one entry). We may be able to repair this by
- * wrapping the returned Package with a new outer Package.
- */
- if (*elements
- && ((*elements)->common.type != ACPI_TYPE_PACKAGE)) {
-
- /* Create the new outer package and populate it */
-
- status =
- acpi_ns_wrap_with_package(data, return_object,
- return_object_ptr);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- /* Update locals to point to the new package (of 1 element) */
-
- return_object = *return_object_ptr;
- elements = return_object->package.elements;
- count = 1;
- }
-
- /* Examine the sub-packages */
-
- status =
- acpi_ns_check_package_list(data, package, elements, count);
- break;
-
- default:
-
- /* Should not get here if predefined info table is correct */
-
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
- "Invalid internal return type in table entry: %X",
- package->ret_info.type));
-
- return (AE_AML_INTERNAL);
- }
-
- return (status);
-
-package_too_small:
-
- /* Error exit for the case with an incorrect package count */
-
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
- "Return Package is too small - found %u elements, expected %u",
- count, expected_count));
-
- return (AE_AML_OPERAND_VALUE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_check_package_list
- *
- * PARAMETERS: data - Pointer to validation data structure
- * package - Pointer to package-specific info for method
- * elements - Element list of parent package. All elements
- * of this list should be of type Package.
- * count - Count of subpackages
- *
- * RETURN: Status
- *
- * DESCRIPTION: Examine a list of subpackages
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ns_check_package_list(struct acpi_predefined_data *data,
- const union acpi_predefined_info *package,
- union acpi_operand_object **elements, u32 count)
-{
- union acpi_operand_object *sub_package;
- union acpi_operand_object **sub_elements;
- acpi_status status;
- u32 expected_count;
- u32 i;
- u32 j;
-
- /*
- * Validate each sub-Package in the parent Package
- *
- * NOTE: assumes list of sub-packages contains no NULL elements.
- * Any NULL elements should have been removed by earlier call
- * to acpi_ns_remove_null_elements.
- */
- for (i = 0; i < count; i++) {
- sub_package = *elements;
- sub_elements = sub_package->package.elements;
- data->parent_package = sub_package;
-
- /* Each sub-object must be of type Package */
-
- status = acpi_ns_check_object_type(data, &sub_package,
- ACPI_RTYPE_PACKAGE, i);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- /* Examine the different types of expected sub-packages */
-
- data->parent_package = sub_package;
- switch (package->ret_info.type) {
- case ACPI_PTYPE2:
- case ACPI_PTYPE2_PKG_COUNT:
- case ACPI_PTYPE2_REV_FIXED:
-
- /* Each subpackage has a fixed number of elements */
-
- expected_count =
- package->ret_info.count1 + package->ret_info.count2;
- if (sub_package->package.count < expected_count) {
- goto package_too_small;
- }
-
- status =
- acpi_ns_check_package_elements(data, sub_elements,
- package->ret_info.
- object_type1,
- package->ret_info.
- count1,
- package->ret_info.
- object_type2,
- package->ret_info.
- count2, 0);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- break;
-
- case ACPI_PTYPE2_FIX_VAR:
- /*
- * Each subpackage has a fixed number of elements and an
- * optional element
- */
- expected_count =
- package->ret_info.count1 + package->ret_info.count2;
- if (sub_package->package.count < expected_count) {
- goto package_too_small;
- }
-
- status =
- acpi_ns_check_package_elements(data, sub_elements,
- package->ret_info.
- object_type1,
- package->ret_info.
- count1,
- package->ret_info.
- object_type2,
- sub_package->package.
- count -
- package->ret_info.
- count1, 0);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- break;
-
- case ACPI_PTYPE2_FIXED:
-
- /* Each sub-package has a fixed length */
-
- expected_count = package->ret_info2.count;
- if (sub_package->package.count < expected_count) {
- goto package_too_small;
- }
-
- /* Check the type of each sub-package element */
-
- for (j = 0; j < expected_count; j++) {
- status =
- acpi_ns_check_object_type(data,
- &sub_elements[j],
- package->
- ret_info2.
- object_type[j],
- j);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- }
- break;
-
- case ACPI_PTYPE2_MIN:
-
- /* Each sub-package has a variable but minimum length */
-
- expected_count = package->ret_info.count1;
- if (sub_package->package.count < expected_count) {
- goto package_too_small;
- }
-
- /* Check the type of each sub-package element */
-
- status =
- acpi_ns_check_package_elements(data, sub_elements,
- package->ret_info.
- object_type1,
- sub_package->package.
- count, 0, 0, 0);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- break;
-
- case ACPI_PTYPE2_COUNT:
-
- /*
- * First element is the (Integer) count of elements, including
- * the count field (the ACPI name is num_elements)
- */
- status = acpi_ns_check_object_type(data, sub_elements,
- ACPI_RTYPE_INTEGER,
- 0);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- /*
- * Make sure package is large enough for the Count and is
- * is as large as the minimum size
- */
- expected_count = (u32)(*sub_elements)->integer.value;
- if (sub_package->package.count < expected_count) {
- goto package_too_small;
- }
- if (sub_package->package.count <
- package->ret_info.count1) {
- expected_count = package->ret_info.count1;
- goto package_too_small;
- }
- if (expected_count == 0) {
- /*
- * Either the num_entries element was originally zero or it was
- * a NULL element and repaired to an Integer of value zero.
- * In either case, repair it by setting num_entries to be the
- * actual size of the subpackage.
- */
- expected_count = sub_package->package.count;
- (*sub_elements)->integer.value = expected_count;
- }
-
- /* Check the type of each sub-package element */
-
- status =
- acpi_ns_check_package_elements(data,
- (sub_elements + 1),
- package->ret_info.
- object_type1,
- (expected_count - 1),
- 0, 0, 1);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- break;
-
- default: /* Should not get here, type was validated by caller */
-
- return (AE_AML_INTERNAL);
- }
-
- elements++;
- }
-
- return (AE_OK);
-
-package_too_small:
-
- /* The sub-package count was smaller than required */
-
- ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
- "Return Sub-Package[%u] is too small - found %u elements, expected %u",
- i, sub_package->package.count, expected_count));
-
- return (AE_AML_OPERAND_VALUE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_check_package_elements
- *
- * PARAMETERS: data - Pointer to validation data structure
- * elements - Pointer to the package elements array
- * type1 - Object type for first group
- * count1 - Count for first group
- * type2 - Object type for second group
- * count2 - Count for second group
- * start_index - Start of the first group of elements
- *
- * RETURN: Status
- *
- * DESCRIPTION: Check that all elements of a package are of the correct object
- * type. Supports up to two groups of different object types.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ns_check_package_elements(struct acpi_predefined_data *data,
- union acpi_operand_object **elements,
- u8 type1,
- u32 count1,
- u8 type2, u32 count2, u32 start_index)
-{
- union acpi_operand_object **this_element = elements;
- acpi_status status;
- u32 i;
-
- /*
- * Up to two groups of package elements are supported by the data
- * structure. All elements in each group must be of the same type.
- * The second group can have a count of zero.
- */
- for (i = 0; i < count1; i++) {
- status = acpi_ns_check_object_type(data, this_element,
- type1, i + start_index);
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- this_element++;
- }
-
- for (i = 0; i < count2; i++) {
- status = acpi_ns_check_object_type(data, this_element,
- type2,
- (i + count1 + start_index));
- if (ACPI_FAILURE(status)) {
- return (status);
- }
- this_element++;
- }
-
- return (AE_OK);
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ns_check_object_type
*
* PARAMETERS: data - Pointer to validation data structure
@@ -983,7 +403,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data,
*
******************************************************************************/
-static acpi_status
+acpi_status
acpi_ns_check_object_type(struct acpi_predefined_data *data,
union acpi_operand_object **return_object_ptr,
u32 expected_btypes, u32 package_index)
diff --git a/drivers/acpi/acpica/nsprepkg.c b/drivers/acpi/acpica/nsprepkg.c
new file mode 100644
index 00000000000..a40155467d2
--- /dev/null
+++ b/drivers/acpi/acpica/nsprepkg.c
@@ -0,0 +1,621 @@
+/******************************************************************************
+ *
+ * Module Name: nsprepkg - Validation of package objects for predefined names
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+#include "acpredef.h"
+
+#define _COMPONENT ACPI_NAMESPACE
+ACPI_MODULE_NAME("nsprepkg")
+
+/* Local prototypes */
+static acpi_status
+acpi_ns_check_package_list(struct acpi_predefined_data *data,
+ const union acpi_predefined_info *package,
+ union acpi_operand_object **elements, u32 count);
+
+static acpi_status
+acpi_ns_check_package_elements(struct acpi_predefined_data *data,
+ union acpi_operand_object **elements,
+ u8 type1,
+ u32 count1,
+ u8 type2, u32 count2, u32 start_index);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_check_package
+ *
+ * PARAMETERS: data - Pointer to validation data structure
+ * return_object_ptr - Pointer to the object returned from the
+ * evaluation of a method or object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Check a returned package object for the correct count and
+ * correct type of all sub-objects.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ns_check_package(struct acpi_predefined_data *data,
+ union acpi_operand_object **return_object_ptr)
+{
+ union acpi_operand_object *return_object = *return_object_ptr;
+ const union acpi_predefined_info *package;
+ union acpi_operand_object **elements;
+ acpi_status status = AE_OK;
+ u32 expected_count;
+ u32 count;
+ u32 i;
+
+ ACPI_FUNCTION_NAME(ns_check_package);
+
+ /* The package info for this name is in the next table entry */
+
+ package = data->predefined + 1;
+
+ ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
+ "%s Validating return Package of Type %X, Count %X\n",
+ data->pathname, package->ret_info.type,
+ return_object->package.count));
+
+ /*
+ * For variable-length Packages, we can safely remove all embedded
+ * and trailing NULL package elements
+ */
+ acpi_ns_remove_null_elements(data, package->ret_info.type,
+ return_object);
+
+ /* Extract package count and elements array */
+
+ elements = return_object->package.elements;
+ count = return_object->package.count;
+
+ /* The package must have at least one element, else invalid */
+
+ if (!count) {
+ ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ "Return Package has no elements (empty)"));
+
+ return (AE_AML_OPERAND_VALUE);
+ }
+
+ /*
+ * Decode the type of the expected package contents
+ *
+ * PTYPE1 packages contain no subpackages
+ * PTYPE2 packages contain sub-packages
+ */
+ switch (package->ret_info.type) {
+ case ACPI_PTYPE1_FIXED:
+
+ /*
+ * The package count is fixed and there are no sub-packages
+ *
+ * If package is too small, exit.
+ * If package is larger than expected, issue warning but continue
+ */
+ expected_count =
+ package->ret_info.count1 + package->ret_info.count2;
+ if (count < expected_count) {
+ goto package_too_small;
+ } else if (count > expected_count) {
+ ACPI_DEBUG_PRINT((ACPI_DB_REPAIR,
+ "%s: Return Package is larger than needed - "
+ "found %u, expected %u\n",
+ data->pathname, count,
+ expected_count));
+ }
+
+ /* Validate all elements of the returned package */
+
+ status = acpi_ns_check_package_elements(data, elements,
+ package->ret_info.
+ object_type1,
+ package->ret_info.
+ count1,
+ package->ret_info.
+ object_type2,
+ package->ret_info.
+ count2, 0);
+ break;
+
+ case ACPI_PTYPE1_VAR:
+
+ /*
+ * The package count is variable, there are no sub-packages, and all
+ * elements must be of the same type
+ */
+ for (i = 0; i < count; i++) {
+ status = acpi_ns_check_object_type(data, elements,
+ package->ret_info.
+ object_type1, i);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ elements++;
+ }
+ break;
+
+ case ACPI_PTYPE1_OPTION:
+
+ /*
+ * The package count is variable, there are no sub-packages. There are
+ * a fixed number of required elements, and a variable number of
+ * optional elements.
+ *
+ * Check if package is at least as large as the minimum required
+ */
+ expected_count = package->ret_info3.count;
+ if (count < expected_count) {
+ goto package_too_small;
+ }
+
+ /* Variable number of sub-objects */
+
+ for (i = 0; i < count; i++) {
+ if (i < package->ret_info3.count) {
+
+ /* These are the required package elements (0, 1, or 2) */
+
+ status =
+ acpi_ns_check_object_type(data, elements,
+ package->
+ ret_info3.
+ object_type[i],
+ i);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ } else {
+ /* These are the optional package elements */
+
+ status =
+ acpi_ns_check_object_type(data, elements,
+ package->
+ ret_info3.
+ tail_object_type,
+ i);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+ elements++;
+ }
+ break;
+
+ case ACPI_PTYPE2_REV_FIXED:
+
+ /* First element is the (Integer) revision */
+
+ status = acpi_ns_check_object_type(data, elements,
+ ACPI_RTYPE_INTEGER, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ elements++;
+ count--;
+
+ /* Examine the sub-packages */
+
+ status =
+ acpi_ns_check_package_list(data, package, elements, count);
+ break;
+
+ case ACPI_PTYPE2_PKG_COUNT:
+
+ /* First element is the (Integer) count of sub-packages to follow */
+
+ status = acpi_ns_check_object_type(data, elements,
+ ACPI_RTYPE_INTEGER, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /*
+ * Count cannot be larger than the parent package length, but allow it
+ * to be smaller. The >= accounts for the Integer above.
+ */
+ expected_count = (u32)(*elements)->integer.value;
+ if (expected_count >= count) {
+ goto package_too_small;
+ }
+
+ count = expected_count;
+ elements++;
+
+ /* Examine the sub-packages */
+
+ status =
+ acpi_ns_check_package_list(data, package, elements, count);
+ break;
+
+ case ACPI_PTYPE2:
+ case ACPI_PTYPE2_FIXED:
+ case ACPI_PTYPE2_MIN:
+ case ACPI_PTYPE2_COUNT:
+ case ACPI_PTYPE2_FIX_VAR:
+
+ /*
+ * These types all return a single Package that consists of a
+ * variable number of sub-Packages.
+ *
+ * First, ensure that the first element is a sub-Package. If not,
+ * the BIOS may have incorrectly returned the object as a single
+ * package instead of a Package of Packages (a common error if
+ * there is only one entry). We may be able to repair this by
+ * wrapping the returned Package with a new outer Package.
+ */
+ if (*elements
+ && ((*elements)->common.type != ACPI_TYPE_PACKAGE)) {
+
+ /* Create the new outer package and populate it */
+
+ status =
+ acpi_ns_wrap_with_package(data, return_object,
+ return_object_ptr);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Update locals to point to the new package (of 1 element) */
+
+ return_object = *return_object_ptr;
+ elements = return_object->package.elements;
+ count = 1;
+ }
+
+ /* Examine the sub-packages */
+
+ status =
+ acpi_ns_check_package_list(data, package, elements, count);
+ break;
+
+ default:
+
+ /* Should not get here if predefined info table is correct */
+
+ ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ "Invalid internal return type in table entry: %X",
+ package->ret_info.type));
+
+ return (AE_AML_INTERNAL);
+ }
+
+ return (status);
+
+ package_too_small:
+
+ /* Error exit for the case with an incorrect package count */
+
+ ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ "Return Package is too small - found %u elements, expected %u",
+ count, expected_count));
+
+ return (AE_AML_OPERAND_VALUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_check_package_list
+ *
+ * PARAMETERS: data - Pointer to validation data structure
+ * package - Pointer to package-specific info for method
+ * elements - Element list of parent package. All elements
+ * of this list should be of type Package.
+ * count - Count of subpackages
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Examine a list of subpackages
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_check_package_list(struct acpi_predefined_data *data,
+ const union acpi_predefined_info *package,
+ union acpi_operand_object **elements, u32 count)
+{
+ union acpi_operand_object *sub_package;
+ union acpi_operand_object **sub_elements;
+ acpi_status status;
+ u32 expected_count;
+ u32 i;
+ u32 j;
+
+ /*
+ * Validate each sub-Package in the parent Package
+ *
+ * NOTE: assumes list of sub-packages contains no NULL elements.
+ * Any NULL elements should have been removed by earlier call
+ * to acpi_ns_remove_null_elements.
+ */
+ for (i = 0; i < count; i++) {
+ sub_package = *elements;
+ sub_elements = sub_package->package.elements;
+ data->parent_package = sub_package;
+
+ /* Each sub-object must be of type Package */
+
+ status = acpi_ns_check_object_type(data, &sub_package,
+ ACPI_RTYPE_PACKAGE, i);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /* Examine the different types of expected sub-packages */
+
+ data->parent_package = sub_package;
+ switch (package->ret_info.type) {
+ case ACPI_PTYPE2:
+ case ACPI_PTYPE2_PKG_COUNT:
+ case ACPI_PTYPE2_REV_FIXED:
+
+ /* Each subpackage has a fixed number of elements */
+
+ expected_count =
+ package->ret_info.count1 + package->ret_info.count2;
+ if (sub_package->package.count < expected_count) {
+ goto package_too_small;
+ }
+
+ status =
+ acpi_ns_check_package_elements(data, sub_elements,
+ package->ret_info.
+ object_type1,
+ package->ret_info.
+ count1,
+ package->ret_info.
+ object_type2,
+ package->ret_info.
+ count2, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ break;
+
+ case ACPI_PTYPE2_FIX_VAR:
+ /*
+ * Each subpackage has a fixed number of elements and an
+ * optional element
+ */
+ expected_count =
+ package->ret_info.count1 + package->ret_info.count2;
+ if (sub_package->package.count < expected_count) {
+ goto package_too_small;
+ }
+
+ status =
+ acpi_ns_check_package_elements(data, sub_elements,
+ package->ret_info.
+ object_type1,
+ package->ret_info.
+ count1,
+ package->ret_info.
+ object_type2,
+ sub_package->package.
+ count -
+ package->ret_info.
+ count1, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ break;
+
+ case ACPI_PTYPE2_FIXED:
+
+ /* Each sub-package has a fixed length */
+
+ expected_count = package->ret_info2.count;
+ if (sub_package->package.count < expected_count) {
+ goto package_too_small;
+ }
+
+ /* Check the type of each sub-package element */
+
+ for (j = 0; j < expected_count; j++) {
+ status =
+ acpi_ns_check_object_type(data,
+ &sub_elements[j],
+ package->
+ ret_info2.
+ object_type[j],
+ j);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ }
+ break;
+
+ case ACPI_PTYPE2_MIN:
+
+ /* Each sub-package has a variable but minimum length */
+
+ expected_count = package->ret_info.count1;
+ if (sub_package->package.count < expected_count) {
+ goto package_too_small;
+ }
+
+ /* Check the type of each sub-package element */
+
+ status =
+ acpi_ns_check_package_elements(data, sub_elements,
+ package->ret_info.
+ object_type1,
+ sub_package->package.
+ count, 0, 0, 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ break;
+
+ case ACPI_PTYPE2_COUNT:
+
+ /*
+ * First element is the (Integer) count of elements, including
+ * the count field (the ACPI name is num_elements)
+ */
+ status = acpi_ns_check_object_type(data, sub_elements,
+ ACPI_RTYPE_INTEGER,
+ 0);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
+ /*
+ * Make sure package is large enough for the Count and is
+ * is as large as the minimum size
+ */
+ expected_count = (u32)(*sub_elements)->integer.value;
+ if (sub_package->package.count < expected_count) {
+ goto package_too_small;
+ }
+ if (sub_package->package.count <
+ package->ret_info.count1) {
+ expected_count = package->ret_info.count1;
+ goto package_too_small;
+ }
+ if (expected_count == 0) {
+ /*
+ * Either the num_entries element was originally zero or it was
+ * a NULL element and repaired to an Integer of value zero.
+ * In either case, repair it by setting num_entries to be the
+ * actual size of the subpackage.
+ */
+ expected_count = sub_package->package.count;
+ (*sub_elements)->integer.value = expected_count;
+ }
+
+ /* Check the type of each sub-package element */
+
+ status =
+ acpi_ns_check_package_elements(data,
+ (sub_elements + 1),
+ package->ret_info.
+ object_type1,
+ (expected_count - 1),
+ 0, 0, 1);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ break;
+
+ default: /* Should not get here, type was validated by caller */
+
+ return (AE_AML_INTERNAL);
+ }
+
+ elements++;
+ }
+
+ return (AE_OK);
+
+ package_too_small:
+
+ /* The sub-package count was smaller than required */
+
+ ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
+ "Return Sub-Package[%u] is too small - found %u elements, expected %u",
+ i, sub_package->package.count, expected_count));
+
+ return (AE_AML_OPERAND_VALUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ns_check_package_elements
+ *
+ * PARAMETERS: data - Pointer to validation data structure
+ * elements - Pointer to the package elements array
+ * type1 - Object type for first group
+ * count1 - Count for first group
+ * type2 - Object type for second group
+ * count2 - Count for second group
+ * start_index - Start of the first group of elements
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Check that all elements of a package are of the correct object
+ * type. Supports up to two groups of different object types.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ns_check_package_elements(struct acpi_predefined_data *data,
+ union acpi_operand_object **elements,
+ u8 type1,
+ u32 count1,
+ u8 type2, u32 count2, u32 start_index)
+{
+ union acpi_operand_object **this_element = elements;
+ acpi_status status;
+ u32 i;
+
+ /*
+ * Up to two groups of package elements are supported by the data
+ * structure. All elements in each group must be of the same type.
+ * The second group can have a count of zero.
+ */
+ for (i = 0; i < count1; i++) {
+ status = acpi_ns_check_object_type(data, this_element,
+ type1, i + start_index);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ this_element++;
+ }
+
+ for (i = 0; i < count2; i++) {
+ status = acpi_ns_check_object_type(data, this_element,
+ type2,
+ (i + count1 + start_index));
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+ this_element++;
+ }
+
+ return (AE_OK);
+}
diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c
index 8c5f292860f..9e833353c06 100644
--- a/drivers/acpi/acpica/nsrepair.c
+++ b/drivers/acpi/acpica/nsrepair.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 90189251cdf..ba4d98287c6 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -55,7 +55,8 @@ ACPI_MODULE_NAME("nsrepair2")
*/
typedef
acpi_status(*acpi_repair_function) (struct acpi_predefined_data *data,
- union acpi_operand_object **return_object_ptr);
+ union acpi_operand_object
+ **return_object_ptr);
typedef struct acpi_repair_info {
char name[ACPI_NAME_SIZE];
diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c
index 1d2d8ffc1bc..5d43efc53a6 100644
--- a/drivers/acpi/acpica/nssearch.c
+++ b/drivers/acpi/acpica/nssearch.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -328,6 +328,11 @@ acpi_ns_search_and_enter(u32 target_name,
if ((status == AE_OK) && (flags & ACPI_NS_ERROR_IF_FOUND)) {
status = AE_ALREADY_EXISTS;
}
+#ifdef ACPI_ASL_COMPILER
+ if (*return_node && (*return_node)->type == ACPI_TYPE_ANY) {
+ (*return_node)->flags |= ANOBJ_IS_EXTERNAL;
+ }
+#endif
/* Either found it or there was an error: finished either way */
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index b5b4cb72a8a..686420df684 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -46,14 +46,11 @@
#include "accommon.h"
#include "acnamesp.h"
#include "amlcode.h"
-#include "actables.h"
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsutils")
/* Local prototypes */
-static u8 acpi_ns_valid_path_separator(char sep);
-
#ifdef ACPI_OBSOLETE_FUNCTIONS
acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node *node_to_search);
#endif
@@ -99,42 +96,6 @@ acpi_ns_print_node_pathname(struct acpi_namespace_node *node,
/*******************************************************************************
*
- * FUNCTION: acpi_ns_valid_root_prefix
- *
- * PARAMETERS: prefix - Character to be checked
- *
- * RETURN: TRUE if a valid prefix
- *
- * DESCRIPTION: Check if a character is a valid ACPI Root prefix
- *
- ******************************************************************************/
-
-u8 acpi_ns_valid_root_prefix(char prefix)
-{
-
- return ((u8) (prefix == '\\'));
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ns_valid_path_separator
- *
- * PARAMETERS: sep - Character to be checked
- *
- * RETURN: TRUE if a valid path separator
- *
- * DESCRIPTION: Check if a character is a valid ACPI path separator
- *
- ******************************************************************************/
-
-static u8 acpi_ns_valid_path_separator(char sep)
-{
-
- return ((u8) (sep == '.'));
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ns_get_type
*
* PARAMETERS: node - Parent Node to be examined
@@ -151,10 +112,10 @@ acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node)
if (!node) {
ACPI_WARNING((AE_INFO, "Null Node parameter"));
- return_UINT32(ACPI_TYPE_ANY);
+ return_VALUE(ACPI_TYPE_ANY);
}
- return_UINT32((acpi_object_type) node->type);
+ return_VALUE(node->type);
}
/*******************************************************************************
@@ -179,10 +140,10 @@ u32 acpi_ns_local(acpi_object_type type)
/* Type code out of range */
ACPI_WARNING((AE_INFO, "Invalid Object Type 0x%X", type));
- return_UINT32(ACPI_NS_NORMAL);
+ return_VALUE(ACPI_NS_NORMAL);
}
- return_UINT32((u32) acpi_gbl_ns_properties[type] & ACPI_NS_LOCAL);
+ return_VALUE(acpi_gbl_ns_properties[type] & ACPI_NS_LOCAL);
}
/*******************************************************************************
@@ -218,19 +179,19 @@ void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info)
*
* strlen() + 1 covers the first name_seg, which has no path separator
*/
- if (acpi_ns_valid_root_prefix(*next_external_char)) {
+ if (ACPI_IS_ROOT_PREFIX(*next_external_char)) {
info->fully_qualified = TRUE;
next_external_char++;
/* Skip redundant root_prefix, like \\_SB.PCI0.SBRG.EC0 */
- while (acpi_ns_valid_root_prefix(*next_external_char)) {
+ while (ACPI_IS_ROOT_PREFIX(*next_external_char)) {
next_external_char++;
}
} else {
/* Handle Carat prefixes */
- while (*next_external_char == '^') {
+ while (ACPI_IS_PARENT_PREFIX(*next_external_char)) {
info->num_carats++;
next_external_char++;
}
@@ -244,7 +205,7 @@ void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info)
if (*next_external_char) {
info->num_segments = 1;
for (i = 0; next_external_char[i]; i++) {
- if (acpi_ns_valid_path_separator(next_external_char[i])) {
+ if (ACPI_IS_PATH_SEPARATOR(next_external_char[i])) {
info->num_segments++;
}
}
@@ -282,7 +243,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
/* Setup the correct prefixes, counts, and pointers */
if (info->fully_qualified) {
- internal_name[0] = '\\';
+ internal_name[0] = AML_ROOT_PREFIX;
if (num_segments <= 1) {
result = &internal_name[1];
@@ -302,7 +263,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
i = 0;
if (info->num_carats) {
for (i = 0; i < info->num_carats; i++) {
- internal_name[i] = '^';
+ internal_name[i] = AML_PARENT_PREFIX;
}
}
@@ -322,7 +283,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
for (; num_segments; num_segments--) {
for (i = 0; i < ACPI_NAME_SIZE; i++) {
- if (acpi_ns_valid_path_separator(*external_name) ||
+ if (ACPI_IS_PATH_SEPARATOR(*external_name) ||
(*external_name == 0)) {
/* Pad the segment with underscore(s) if segment is short */
@@ -339,7 +300,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
/* Now we must have a path separator, or the pathname is bad */
- if (!acpi_ns_valid_path_separator(*external_name) &&
+ if (!ACPI_IS_PATH_SEPARATOR(*external_name) &&
(*external_name != 0)) {
return_ACPI_STATUS(AE_BAD_PATHNAME);
}
@@ -457,13 +418,13 @@ acpi_ns_externalize_name(u32 internal_name_length,
/* Check for a prefix (one '\' | one or more '^') */
switch (internal_name[0]) {
- case '\\':
+ case AML_ROOT_PREFIX:
prefix_length = 1;
break;
- case '^':
+ case AML_PARENT_PREFIX:
for (i = 0; i < internal_name_length; i++) {
- if (internal_name[i] == '^') {
+ if (ACPI_IS_PARENT_PREFIX(internal_name[i])) {
prefix_length = i + 1;
} else {
break;
@@ -664,17 +625,17 @@ void acpi_ns_terminate(void)
u32 acpi_ns_opens_scope(acpi_object_type type)
{
- ACPI_FUNCTION_TRACE_STR(ns_opens_scope, acpi_ut_get_type_name(type));
+ ACPI_FUNCTION_ENTRY();
- if (!acpi_ut_valid_object_type(type)) {
+ if (type > ACPI_TYPE_LOCAL_MAX) {
/* type code out of range */
ACPI_WARNING((AE_INFO, "Invalid Object Type 0x%X", type));
- return_UINT32(ACPI_NS_NORMAL);
+ return (ACPI_NS_NORMAL);
}
- return_UINT32(((u32) acpi_gbl_ns_properties[type]) & ACPI_NS_NEWSCOPE);
+ return (((u32)acpi_gbl_ns_properties[type]) & ACPI_NS_NEWSCOPE);
}
/*******************************************************************************
@@ -710,6 +671,8 @@ acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
ACPI_FUNCTION_TRACE_PTR(ns_get_node, ACPI_CAST_PTR(char, pathname));
+ /* Simplest case is a null pathname */
+
if (!pathname) {
*return_node = prefix_node;
if (!prefix_node) {
@@ -718,6 +681,13 @@ acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
return_ACPI_STATUS(AE_OK);
}
+ /* Quick check for a reference to the root */
+
+ if (ACPI_IS_ROOT_PREFIX(pathname[0]) && (!pathname[1])) {
+ *return_node = acpi_gbl_root_node;
+ return_ACPI_STATUS(AE_OK);
+ }
+
/* Convert path to internal representation */
status = acpi_ns_internalize_name(pathname, &internal_path);
diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c
index 0483877f26b..e70911a9e44 100644
--- a/drivers/acpi/acpica/nswalk.c
+++ b/drivers/acpi/acpica/nswalk.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -76,12 +76,12 @@ struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
/* It's really the parent's _scope_ that we want */
- return parent_node->child;
+ return (parent_node->child);
}
/* Otherwise just return the next peer */
- return child_node->peer;
+ return (child_node->peer);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c
index d6a9f77972b..fc69949151b 100644
--- a/drivers/acpi/acpica/nsxfeval.c
+++ b/drivers/acpi/acpica/nsxfeval.c
@@ -6,7 +6,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -236,7 +236,7 @@ acpi_evaluate_object(acpi_handle handle,
* 2) No handle, not fully qualified pathname (error)
* 3) Valid handle
*/
- if ((pathname) && (acpi_ns_valid_root_prefix(pathname[0]))) {
+ if ((pathname) && (ACPI_IS_ROOT_PREFIX(pathname[0]))) {
/* The path is fully qualified, just evaluate by name */
@@ -492,7 +492,7 @@ acpi_walk_namespace(acpi_object_type type,
*/
status = acpi_ut_acquire_read_lock(&acpi_gbl_namespace_rw_lock);
if (ACPI_FAILURE(status)) {
- return status;
+ return_ACPI_STATUS(status);
}
/*
@@ -550,7 +550,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ return (status);
}
node = acpi_ns_validate_handle(obj_handle);
@@ -602,17 +602,22 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
/* Walk the CID list */
- found = 0;
+ found = FALSE;
for (i = 0; i < cid->count; i++) {
if (ACPI_STRCMP(cid->ids[i].string, info->hid)
== 0) {
- found = 1;
+
+ /* Found a matching CID */
+
+ found = TRUE;
break;
}
}
+
ACPI_FREE(cid);
- if (!found)
+ if (!found) {
return (AE_OK);
+ }
}
}
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c
index 811c6f13f47..f3a4d95899f 100644
--- a/drivers/acpi/acpica/nsxfname.c
+++ b/drivers/acpi/acpica/nsxfname.c
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -107,7 +107,7 @@ acpi_get_handle(acpi_handle parent,
*
* Error for <null Parent + relative path>
*/
- if (acpi_ns_valid_root_prefix(pathname[0])) {
+ if (ACPI_IS_ROOT_PREFIX(pathname[0])) {
/* Pathname is fully qualified (starts with '\') */
@@ -290,7 +290,7 @@ acpi_get_object_info(acpi_handle handle,
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
- goto cleanup;
+ return (status);
}
node = acpi_ns_validate_handle(handle);
@@ -539,14 +539,14 @@ acpi_status acpi_install_method(u8 *buffer)
/* Parameter validation */
if (!buffer) {
- return AE_BAD_PARAMETER;
+ return (AE_BAD_PARAMETER);
}
/* Table must be a DSDT or SSDT */
if (!ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) &&
!ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT)) {
- return AE_BAD_HEADER;
+ return (AE_BAD_HEADER);
}
/* First AML opcode in the table must be a control method */
@@ -554,7 +554,7 @@ acpi_status acpi_install_method(u8 *buffer)
parser_state.aml = buffer + sizeof(struct acpi_table_header);
opcode = acpi_ps_peek_opcode(&parser_state);
if (opcode != AML_METHOD_OP) {
- return AE_BAD_PARAMETER;
+ return (AE_BAD_PARAMETER);
}
/* Extract method information from the raw AML */
@@ -572,13 +572,13 @@ acpi_status acpi_install_method(u8 *buffer)
*/
aml_buffer = ACPI_ALLOCATE(aml_length);
if (!aml_buffer) {
- return AE_NO_MEMORY;
+ return (AE_NO_MEMORY);
}
method_obj = acpi_ut_create_internal_object(ACPI_TYPE_METHOD);
if (!method_obj) {
ACPI_FREE(aml_buffer);
- return AE_NO_MEMORY;
+ return (AE_NO_MEMORY);
}
/* Lock namespace for acpi_ns_lookup, we may be creating a new node */
@@ -644,12 +644,12 @@ acpi_status acpi_install_method(u8 *buffer)
/* Remove local reference to the method object */
acpi_ut_remove_reference(method_obj);
- return status;
+ return (status);
error_exit:
ACPI_FREE(aml_buffer);
ACPI_FREE(method_obj);
- return status;
+ return (status);
}
ACPI_EXPORT_SYMBOL(acpi_install_method)
diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c
index 9d029dac6b6..c0853ef294e 100644
--- a/drivers/acpi/acpica/nsxfobj.c
+++ b/drivers/acpi/acpica/nsxfobj.c
@@ -6,7 +6,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
index cb79e2d4d74..f51308cdbc6 100644
--- a/drivers/acpi/acpica/psargs.c
+++ b/drivers/acpi/acpica/psargs.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -108,7 +108,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
/* Byte 0 is a special case, either bits [0:3] or [0:5] are used */
package_length |= (aml[0] & byte_zero_mask);
- return_UINT32(package_length);
+ return_VALUE(package_length);
}
/*******************************************************************************
@@ -162,7 +162,7 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
/* Point past any namestring prefix characters (backslash or carat) */
- while (acpi_ps_is_prefix_char(*end)) {
+ while (ACPI_IS_ROOT_PREFIX(*end) || ACPI_IS_PARENT_PREFIX(*end)) {
end++;
}
@@ -798,7 +798,8 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
subop = acpi_ps_peek_opcode(parser_state);
if (subop == 0 ||
acpi_ps_is_leading_char(subop) ||
- acpi_ps_is_prefix_char(subop)) {
+ ACPI_IS_ROOT_PREFIX(subop) ||
+ ACPI_IS_PARENT_PREFIX(subop)) {
/* null_name or name_string */
diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c
index 5607805aab2..63c45544748 100644
--- a/drivers/acpi/acpica/psloop.c
+++ b/drivers/acpi/acpica/psloop.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -58,352 +58,17 @@
#define _COMPONENT ACPI_PARSER
ACPI_MODULE_NAME("psloop")
-static u32 acpi_gbl_depth = 0;
-
/* Local prototypes */
-
-static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state);
-
-static acpi_status
-acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
- u8 * aml_op_start,
- union acpi_parse_object *unnamed_op,
- union acpi_parse_object **op);
-
-static acpi_status
-acpi_ps_create_op(struct acpi_walk_state *walk_state,
- u8 * aml_op_start, union acpi_parse_object **new_op);
-
static acpi_status
acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
u8 * aml_op_start, union acpi_parse_object *op);
-static acpi_status
-acpi_ps_complete_op(struct acpi_walk_state *walk_state,
- union acpi_parse_object **op, acpi_status status);
-
-static acpi_status
-acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
- union acpi_parse_object *op, acpi_status status);
-
static void
acpi_ps_link_module_code(union acpi_parse_object *parent_op,
u8 *aml_start, u32 aml_length, acpi_owner_id owner_id);
/*******************************************************************************
*
- * FUNCTION: acpi_ps_get_aml_opcode
- *
- * PARAMETERS: walk_state - Current state
- *
- * RETURN: Status
- *
- * DESCRIPTION: Extract the next AML opcode from the input stream.
- *
- ******************************************************************************/
-
-static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state)
-{
-
- ACPI_FUNCTION_TRACE_PTR(ps_get_aml_opcode, walk_state);
-
- walk_state->aml_offset =
- (u32) ACPI_PTR_DIFF(walk_state->parser_state.aml,
- walk_state->parser_state.aml_start);
- walk_state->opcode = acpi_ps_peek_opcode(&(walk_state->parser_state));
-
- /*
- * First cut to determine what we have found:
- * 1) A valid AML opcode
- * 2) A name string
- * 3) An unknown/invalid opcode
- */
- walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode);
-
- switch (walk_state->op_info->class) {
- case AML_CLASS_ASCII:
- case AML_CLASS_PREFIX:
- /*
- * Starts with a valid prefix or ASCII char, this is a name
- * string. Convert the bare name string to a namepath.
- */
- walk_state->opcode = AML_INT_NAMEPATH_OP;
- walk_state->arg_types = ARGP_NAMESTRING;
- break;
-
- case AML_CLASS_UNKNOWN:
-
- /* The opcode is unrecognized. Complain and skip unknown opcodes */
-
- if (walk_state->pass_number == 2) {
- ACPI_ERROR((AE_INFO,
- "Unknown opcode 0x%.2X at table offset 0x%.4X, ignoring",
- walk_state->opcode,
- (u32)(walk_state->aml_offset +
- sizeof(struct acpi_table_header))));
-
- ACPI_DUMP_BUFFER(walk_state->parser_state.aml - 16, 48);
-
-#ifdef ACPI_ASL_COMPILER
- /*
- * This is executed for the disassembler only. Output goes
- * to the disassembled ASL output file.
- */
- acpi_os_printf
- ("/*\nError: Unknown opcode 0x%.2X at table offset 0x%.4X, context:\n",
- walk_state->opcode,
- (u32)(walk_state->aml_offset +
- sizeof(struct acpi_table_header)));
-
- /* Dump the context surrounding the invalid opcode */
-
- acpi_ut_dump_buffer(((u8 *)walk_state->parser_state.
- aml - 16), 48, DB_BYTE_DISPLAY,
- walk_state->aml_offset +
- sizeof(struct acpi_table_header) -
- 16);
- acpi_os_printf(" */\n");
-#endif
- }
-
- /* Increment past one-byte or two-byte opcode */
-
- walk_state->parser_state.aml++;
- if (walk_state->opcode > 0xFF) { /* Can only happen if first byte is 0x5B */
- walk_state->parser_state.aml++;
- }
-
- return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
-
- default:
-
- /* Found opcode info, this is a normal opcode */
-
- walk_state->parser_state.aml +=
- acpi_ps_get_opcode_size(walk_state->opcode);
- walk_state->arg_types = walk_state->op_info->parse_args;
- break;
- }
-
- return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ps_build_named_op
- *
- * PARAMETERS: walk_state - Current state
- * aml_op_start - Begin of named Op in AML
- * unnamed_op - Early Op (not a named Op)
- * op - Returned Op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Parse a named Op
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
- u8 * aml_op_start,
- union acpi_parse_object *unnamed_op,
- union acpi_parse_object **op)
-{
- acpi_status status = AE_OK;
- union acpi_parse_object *arg = NULL;
-
- ACPI_FUNCTION_TRACE_PTR(ps_build_named_op, walk_state);
-
- unnamed_op->common.value.arg = NULL;
- unnamed_op->common.arg_list_length = 0;
- unnamed_op->common.aml_opcode = walk_state->opcode;
-
- /*
- * Get and append arguments until we find the node that contains
- * the name (the type ARGP_NAME).
- */
- while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) &&
- (GET_CURRENT_ARG_TYPE(walk_state->arg_types) != ARGP_NAME)) {
- status =
- acpi_ps_get_next_arg(walk_state,
- &(walk_state->parser_state),
- GET_CURRENT_ARG_TYPE(walk_state->
- arg_types), &arg);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- acpi_ps_append_arg(unnamed_op, arg);
- INCREMENT_ARG_LIST(walk_state->arg_types);
- }
-
- /*
- * Make sure that we found a NAME and didn't run out of arguments
- */
- if (!GET_CURRENT_ARG_TYPE(walk_state->arg_types)) {
- return_ACPI_STATUS(AE_AML_NO_OPERAND);
- }
-
- /* We know that this arg is a name, move to next arg */
-
- INCREMENT_ARG_LIST(walk_state->arg_types);
-
- /*
- * Find the object. This will either insert the object into
- * the namespace or simply look it up
- */
- walk_state->op = NULL;
-
- status = walk_state->descending_callback(walk_state, op);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "During name lookup/catalog"));
- return_ACPI_STATUS(status);
- }
-
- if (!*op) {
- return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
- }
-
- status = acpi_ps_next_parse_state(walk_state, *op, status);
- if (ACPI_FAILURE(status)) {
- if (status == AE_CTRL_PENDING) {
- return_ACPI_STATUS(AE_CTRL_PARSE_PENDING);
- }
- return_ACPI_STATUS(status);
- }
-
- acpi_ps_append_arg(*op, unnamed_op->common.value.arg);
- acpi_gbl_depth++;
-
- if ((*op)->common.aml_opcode == AML_REGION_OP ||
- (*op)->common.aml_opcode == AML_DATA_REGION_OP) {
- /*
- * Defer final parsing of an operation_region body, because we don't
- * have enough info in the first pass to parse it correctly (i.e.,
- * there may be method calls within the term_arg elements of the body.)
- *
- * However, we must continue parsing because the opregion is not a
- * standalone package -- we don't know where the end is at this point.
- *
- * (Length is unknown until parse of the body complete)
- */
- (*op)->named.data = aml_op_start;
- (*op)->named.length = 0;
- }
-
- return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ps_create_op
- *
- * PARAMETERS: walk_state - Current state
- * aml_op_start - Op start in AML
- * new_op - Returned Op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Get Op from AML
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ps_create_op(struct acpi_walk_state *walk_state,
- u8 * aml_op_start, union acpi_parse_object **new_op)
-{
- acpi_status status = AE_OK;
- union acpi_parse_object *op;
- union acpi_parse_object *named_op = NULL;
- union acpi_parse_object *parent_scope;
- u8 argument_count;
- const struct acpi_opcode_info *op_info;
-
- ACPI_FUNCTION_TRACE_PTR(ps_create_op, walk_state);
-
- status = acpi_ps_get_aml_opcode(walk_state);
- if (status == AE_CTRL_PARSE_CONTINUE) {
- return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
- }
-
- /* Create Op structure and append to parent's argument list */
-
- walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode);
- op = acpi_ps_alloc_op(walk_state->opcode);
- if (!op) {
- return_ACPI_STATUS(AE_NO_MEMORY);
- }
-
- if (walk_state->op_info->flags & AML_NAMED) {
- status =
- acpi_ps_build_named_op(walk_state, aml_op_start, op,
- &named_op);
- acpi_ps_free_op(op);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- *new_op = named_op;
- return_ACPI_STATUS(AE_OK);
- }
-
- /* Not a named opcode, just allocate Op and append to parent */
-
- if (walk_state->op_info->flags & AML_CREATE) {
- /*
- * Backup to beginning of create_XXXfield declaration
- * body_length is unknown until we parse the body
- */
- op->named.data = aml_op_start;
- op->named.length = 0;
- }
-
- if (walk_state->opcode == AML_BANK_FIELD_OP) {
- /*
- * Backup to beginning of bank_field declaration
- * body_length is unknown until we parse the body
- */
- op->named.data = aml_op_start;
- op->named.length = 0;
- }
-
- parent_scope = acpi_ps_get_parent_scope(&(walk_state->parser_state));
- acpi_ps_append_arg(parent_scope, op);
-
- if (parent_scope) {
- op_info =
- acpi_ps_get_opcode_info(parent_scope->common.aml_opcode);
- if (op_info->flags & AML_HAS_TARGET) {
- argument_count =
- acpi_ps_get_argument_count(op_info->type);
- if (parent_scope->common.arg_list_length >
- argument_count) {
- op->common.flags |= ACPI_PARSEOP_TARGET;
- }
- } else if (parent_scope->common.aml_opcode == AML_INCREMENT_OP) {
- op->common.flags |= ACPI_PARSEOP_TARGET;
- }
- }
-
- if (walk_state->descending_callback != NULL) {
- /*
- * Find the object. This will either insert the object into
- * the namespace or simply look it up
- */
- walk_state->op = *new_op = op;
-
- status = walk_state->descending_callback(walk_state, &op);
- status = acpi_ps_next_parse_state(walk_state, op, status);
- if (status == AE_CTRL_PENDING) {
- status = AE_CTRL_PARSE_PENDING;
- }
- }
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ps_get_arguments
*
* PARAMETERS: walk_state - Current state
@@ -711,288 +376,6 @@ acpi_ps_link_module_code(union acpi_parse_object *parent_op,
/*******************************************************************************
*
- * FUNCTION: acpi_ps_complete_op
- *
- * PARAMETERS: walk_state - Current state
- * op - Returned Op
- * status - Parse status before complete Op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Complete Op
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ps_complete_op(struct acpi_walk_state *walk_state,
- union acpi_parse_object **op, acpi_status status)
-{
- acpi_status status2;
-
- ACPI_FUNCTION_TRACE_PTR(ps_complete_op, walk_state);
-
- /*
- * Finished one argument of the containing scope
- */
- walk_state->parser_state.scope->parse_scope.arg_count--;
-
- /* Close this Op (will result in parse subtree deletion) */
-
- status2 = acpi_ps_complete_this_op(walk_state, *op);
- if (ACPI_FAILURE(status2)) {
- return_ACPI_STATUS(status2);
- }
-
- *op = NULL;
-
- switch (status) {
- case AE_OK:
- break;
-
- case AE_CTRL_TRANSFER:
-
- /* We are about to transfer to a called method */
-
- walk_state->prev_op = NULL;
- walk_state->prev_arg_types = walk_state->arg_types;
- return_ACPI_STATUS(status);
-
- case AE_CTRL_END:
-
- acpi_ps_pop_scope(&(walk_state->parser_state), op,
- &walk_state->arg_types,
- &walk_state->arg_count);
-
- if (*op) {
- walk_state->op = *op;
- walk_state->op_info =
- acpi_ps_get_opcode_info((*op)->common.aml_opcode);
- walk_state->opcode = (*op)->common.aml_opcode;
-
- status = walk_state->ascending_callback(walk_state);
- status =
- acpi_ps_next_parse_state(walk_state, *op, status);
-
- status2 = acpi_ps_complete_this_op(walk_state, *op);
- if (ACPI_FAILURE(status2)) {
- return_ACPI_STATUS(status2);
- }
- }
-
- status = AE_OK;
- break;
-
- case AE_CTRL_BREAK:
- case AE_CTRL_CONTINUE:
-
- /* Pop off scopes until we find the While */
-
- while (!(*op) || ((*op)->common.aml_opcode != AML_WHILE_OP)) {
- acpi_ps_pop_scope(&(walk_state->parser_state), op,
- &walk_state->arg_types,
- &walk_state->arg_count);
- }
-
- /* Close this iteration of the While loop */
-
- walk_state->op = *op;
- walk_state->op_info =
- acpi_ps_get_opcode_info((*op)->common.aml_opcode);
- walk_state->opcode = (*op)->common.aml_opcode;
-
- status = walk_state->ascending_callback(walk_state);
- status = acpi_ps_next_parse_state(walk_state, *op, status);
-
- status2 = acpi_ps_complete_this_op(walk_state, *op);
- if (ACPI_FAILURE(status2)) {
- return_ACPI_STATUS(status2);
- }
-
- status = AE_OK;
- break;
-
- case AE_CTRL_TERMINATE:
-
- /* Clean up */
- do {
- if (*op) {
- status2 =
- acpi_ps_complete_this_op(walk_state, *op);
- if (ACPI_FAILURE(status2)) {
- return_ACPI_STATUS(status2);
- }
-
- acpi_ut_delete_generic_state
- (acpi_ut_pop_generic_state
- (&walk_state->control_state));
- }
-
- acpi_ps_pop_scope(&(walk_state->parser_state), op,
- &walk_state->arg_types,
- &walk_state->arg_count);
-
- } while (*op);
-
- return_ACPI_STATUS(AE_OK);
-
- default: /* All other non-AE_OK status */
-
- do {
- if (*op) {
- status2 =
- acpi_ps_complete_this_op(walk_state, *op);
- if (ACPI_FAILURE(status2)) {
- return_ACPI_STATUS(status2);
- }
- }
-
- acpi_ps_pop_scope(&(walk_state->parser_state), op,
- &walk_state->arg_types,
- &walk_state->arg_count);
-
- } while (*op);
-
-#if 0
- /*
- * TBD: Cleanup parse ops on error
- */
- if (*op == NULL) {
- acpi_ps_pop_scope(parser_state, op,
- &walk_state->arg_types,
- &walk_state->arg_count);
- }
-#endif
- walk_state->prev_op = NULL;
- walk_state->prev_arg_types = walk_state->arg_types;
- return_ACPI_STATUS(status);
- }
-
- /* This scope complete? */
-
- if (acpi_ps_has_completed_scope(&(walk_state->parser_state))) {
- acpi_ps_pop_scope(&(walk_state->parser_state), op,
- &walk_state->arg_types,
- &walk_state->arg_count);
- ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Popped scope, Op=%p\n", *op));
- } else {
- *op = NULL;
- }
-
- return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ps_complete_final_op
- *
- * PARAMETERS: walk_state - Current state
- * op - Current Op
- * status - Current parse status before complete last
- * Op
- *
- * RETURN: Status
- *
- * DESCRIPTION: Complete last Op.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
- union acpi_parse_object *op, acpi_status status)
-{
- acpi_status status2;
-
- ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state);
-
- /*
- * Complete the last Op (if not completed), and clear the scope stack.
- * It is easily possible to end an AML "package" with an unbounded number
- * of open scopes (such as when several ASL blocks are closed with
- * sequential closing braces). We want to terminate each one cleanly.
- */
- ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "AML package complete at Op %p\n",
- op));
- do {
- if (op) {
- if (walk_state->ascending_callback != NULL) {
- walk_state->op = op;
- walk_state->op_info =
- acpi_ps_get_opcode_info(op->common.
- aml_opcode);
- walk_state->opcode = op->common.aml_opcode;
-
- status =
- walk_state->ascending_callback(walk_state);
- status =
- acpi_ps_next_parse_state(walk_state, op,
- status);
- if (status == AE_CTRL_PENDING) {
- status =
- acpi_ps_complete_op(walk_state, &op,
- AE_OK);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
- }
-
- if (status == AE_CTRL_TERMINATE) {
- status = AE_OK;
-
- /* Clean up */
- do {
- if (op) {
- status2 =
- acpi_ps_complete_this_op
- (walk_state, op);
- if (ACPI_FAILURE
- (status2)) {
- return_ACPI_STATUS
- (status2);
- }
- }
-
- acpi_ps_pop_scope(&
- (walk_state->
- parser_state),
- &op,
- &walk_state->
- arg_types,
- &walk_state->
- arg_count);
-
- } while (op);
-
- return_ACPI_STATUS(status);
- }
-
- else if (ACPI_FAILURE(status)) {
-
- /* First error is most important */
-
- (void)
- acpi_ps_complete_this_op(walk_state,
- op);
- return_ACPI_STATUS(status);
- }
- }
-
- status2 = acpi_ps_complete_this_op(walk_state, op);
- if (ACPI_FAILURE(status2)) {
- return_ACPI_STATUS(status2);
- }
- }
-
- acpi_ps_pop_scope(&(walk_state->parser_state), &op,
- &walk_state->arg_types,
- &walk_state->arg_count);
-
- } while (op);
-
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ps_parse_loop
*
* PARAMETERS: walk_state - Current state
@@ -1177,10 +560,6 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
walk_state->op_info =
acpi_ps_get_opcode_info(op->common.aml_opcode);
if (walk_state->op_info->flags & AML_NAMED) {
- if (acpi_gbl_depth) {
- acpi_gbl_depth--;
- }
-
if (op->common.aml_opcode == AML_REGION_OP ||
op->common.aml_opcode == AML_DATA_REGION_OP) {
/*
diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c
new file mode 100644
index 00000000000..12c4028002b
--- /dev/null
+++ b/drivers/acpi/acpica/psobject.c
@@ -0,0 +1,647 @@
+/******************************************************************************
+ *
+ * Module Name: psobject - Support for parse objects
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_PARSER
+ACPI_MODULE_NAME("psobject")
+
+/* Local prototypes */
+static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state);
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ps_get_aml_opcode
+ *
+ * PARAMETERS: walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Extract the next AML opcode from the input stream.
+ *
+ ******************************************************************************/
+
+static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state)
+{
+
+ ACPI_FUNCTION_TRACE_PTR(ps_get_aml_opcode, walk_state);
+
+ walk_state->aml_offset =
+ (u32)ACPI_PTR_DIFF(walk_state->parser_state.aml,
+ walk_state->parser_state.aml_start);
+ walk_state->opcode = acpi_ps_peek_opcode(&(walk_state->parser_state));
+
+ /*
+ * First cut to determine what we have found:
+ * 1) A valid AML opcode
+ * 2) A name string
+ * 3) An unknown/invalid opcode
+ */
+ walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode);
+
+ switch (walk_state->op_info->class) {
+ case AML_CLASS_ASCII:
+ case AML_CLASS_PREFIX:
+ /*
+ * Starts with a valid prefix or ASCII char, this is a name
+ * string. Convert the bare name string to a namepath.
+ */
+ walk_state->opcode = AML_INT_NAMEPATH_OP;
+ walk_state->arg_types = ARGP_NAMESTRING;
+ break;
+
+ case AML_CLASS_UNKNOWN:
+
+ /* The opcode is unrecognized. Complain and skip unknown opcodes */
+
+ if (walk_state->pass_number == 2) {
+ ACPI_ERROR((AE_INFO,
+ "Unknown opcode 0x%.2X at table offset 0x%.4X, ignoring",
+ walk_state->opcode,
+ (u32)(walk_state->aml_offset +
+ sizeof(struct acpi_table_header))));
+
+ ACPI_DUMP_BUFFER((walk_state->parser_state.aml - 16),
+ 48);
+
+#ifdef ACPI_ASL_COMPILER
+ /*
+ * This is executed for the disassembler only. Output goes
+ * to the disassembled ASL output file.
+ */
+ acpi_os_printf
+ ("/*\nError: Unknown opcode 0x%.2X at table offset 0x%.4X, context:\n",
+ walk_state->opcode,
+ (u32)(walk_state->aml_offset +
+ sizeof(struct acpi_table_header)));
+
+ /* Dump the context surrounding the invalid opcode */
+
+ acpi_ut_dump_buffer(((u8 *)walk_state->parser_state.
+ aml - 16), 48, DB_BYTE_DISPLAY,
+ (walk_state->aml_offset +
+ sizeof(struct acpi_table_header) -
+ 16));
+ acpi_os_printf(" */\n");
+#endif
+ }
+
+ /* Increment past one-byte or two-byte opcode */
+
+ walk_state->parser_state.aml++;
+ if (walk_state->opcode > 0xFF) { /* Can only happen if first byte is 0x5B */
+ walk_state->parser_state.aml++;
+ }
+
+ return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
+
+ default:
+
+ /* Found opcode info, this is a normal opcode */
+
+ walk_state->parser_state.aml +=
+ acpi_ps_get_opcode_size(walk_state->opcode);
+ walk_state->arg_types = walk_state->op_info->parse_args;
+ break;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ps_build_named_op
+ *
+ * PARAMETERS: walk_state - Current state
+ * aml_op_start - Begin of named Op in AML
+ * unnamed_op - Early Op (not a named Op)
+ * op - Returned Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Parse a named Op
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
+ u8 *aml_op_start,
+ union acpi_parse_object *unnamed_op,
+ union acpi_parse_object **op)
+{
+ acpi_status status = AE_OK;
+ union acpi_parse_object *arg = NULL;
+
+ ACPI_FUNCTION_TRACE_PTR(ps_build_named_op, walk_state);
+
+ unnamed_op->common.value.arg = NULL;
+ unnamed_op->common.arg_list_length = 0;
+ unnamed_op->common.aml_opcode = walk_state->opcode;
+
+ /*
+ * Get and append arguments until we find the node that contains
+ * the name (the type ARGP_NAME).
+ */
+ while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) &&
+ (GET_CURRENT_ARG_TYPE(walk_state->arg_types) != ARGP_NAME)) {
+ status =
+ acpi_ps_get_next_arg(walk_state,
+ &(walk_state->parser_state),
+ GET_CURRENT_ARG_TYPE(walk_state->
+ arg_types), &arg);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_ps_append_arg(unnamed_op, arg);
+ INCREMENT_ARG_LIST(walk_state->arg_types);
+ }
+
+ /*
+ * Make sure that we found a NAME and didn't run out of arguments
+ */
+ if (!GET_CURRENT_ARG_TYPE(walk_state->arg_types)) {
+ return_ACPI_STATUS(AE_AML_NO_OPERAND);
+ }
+
+ /* We know that this arg is a name, move to next arg */
+
+ INCREMENT_ARG_LIST(walk_state->arg_types);
+
+ /*
+ * Find the object. This will either insert the object into
+ * the namespace or simply look it up
+ */
+ walk_state->op = NULL;
+
+ status = walk_state->descending_callback(walk_state, op);
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status, "During name lookup/catalog"));
+ return_ACPI_STATUS(status);
+ }
+
+ if (!*op) {
+ return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
+ }
+
+ status = acpi_ps_next_parse_state(walk_state, *op, status);
+ if (ACPI_FAILURE(status)) {
+ if (status == AE_CTRL_PENDING) {
+ return_ACPI_STATUS(AE_CTRL_PARSE_PENDING);
+ }
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_ps_append_arg(*op, unnamed_op->common.value.arg);
+
+ if ((*op)->common.aml_opcode == AML_REGION_OP ||
+ (*op)->common.aml_opcode == AML_DATA_REGION_OP) {
+ /*
+ * Defer final parsing of an operation_region body, because we don't
+ * have enough info in the first pass to parse it correctly (i.e.,
+ * there may be method calls within the term_arg elements of the body.)
+ *
+ * However, we must continue parsing because the opregion is not a
+ * standalone package -- we don't know where the end is at this point.
+ *
+ * (Length is unknown until parse of the body complete)
+ */
+ (*op)->named.data = aml_op_start;
+ (*op)->named.length = 0;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ps_create_op
+ *
+ * PARAMETERS: walk_state - Current state
+ * aml_op_start - Op start in AML
+ * new_op - Returned Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get Op from AML
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ps_create_op(struct acpi_walk_state *walk_state,
+ u8 *aml_op_start, union acpi_parse_object **new_op)
+{
+ acpi_status status = AE_OK;
+ union acpi_parse_object *op;
+ union acpi_parse_object *named_op = NULL;
+ union acpi_parse_object *parent_scope;
+ u8 argument_count;
+ const struct acpi_opcode_info *op_info;
+
+ ACPI_FUNCTION_TRACE_PTR(ps_create_op, walk_state);
+
+ status = acpi_ps_get_aml_opcode(walk_state);
+ if (status == AE_CTRL_PARSE_CONTINUE) {
+ return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
+ }
+
+ /* Create Op structure and append to parent's argument list */
+
+ walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode);
+ op = acpi_ps_alloc_op(walk_state->opcode);
+ if (!op) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ if (walk_state->op_info->flags & AML_NAMED) {
+ status =
+ acpi_ps_build_named_op(walk_state, aml_op_start, op,
+ &named_op);
+ acpi_ps_free_op(op);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ *new_op = named_op;
+ return_ACPI_STATUS(AE_OK);
+ }
+
+ /* Not a named opcode, just allocate Op and append to parent */
+
+ if (walk_state->op_info->flags & AML_CREATE) {
+ /*
+ * Backup to beginning of create_XXXfield declaration
+ * body_length is unknown until we parse the body
+ */
+ op->named.data = aml_op_start;
+ op->named.length = 0;
+ }
+
+ if (walk_state->opcode == AML_BANK_FIELD_OP) {
+ /*
+ * Backup to beginning of bank_field declaration
+ * body_length is unknown until we parse the body
+ */
+ op->named.data = aml_op_start;
+ op->named.length = 0;
+ }
+
+ parent_scope = acpi_ps_get_parent_scope(&(walk_state->parser_state));
+ acpi_ps_append_arg(parent_scope, op);
+
+ if (parent_scope) {
+ op_info =
+ acpi_ps_get_opcode_info(parent_scope->common.aml_opcode);
+ if (op_info->flags & AML_HAS_TARGET) {
+ argument_count =
+ acpi_ps_get_argument_count(op_info->type);
+ if (parent_scope->common.arg_list_length >
+ argument_count) {
+ op->common.flags |= ACPI_PARSEOP_TARGET;
+ }
+ } else if (parent_scope->common.aml_opcode == AML_INCREMENT_OP) {
+ op->common.flags |= ACPI_PARSEOP_TARGET;
+ }
+ }
+
+ if (walk_state->descending_callback != NULL) {
+ /*
+ * Find the object. This will either insert the object into
+ * the namespace or simply look it up
+ */
+ walk_state->op = *new_op = op;
+
+ status = walk_state->descending_callback(walk_state, &op);
+ status = acpi_ps_next_parse_state(walk_state, op, status);
+ if (status == AE_CTRL_PENDING) {
+ status = AE_CTRL_PARSE_PENDING;
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ps_complete_op
+ *
+ * PARAMETERS: walk_state - Current state
+ * op - Returned Op
+ * status - Parse status before complete Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Complete Op
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ps_complete_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **op, acpi_status status)
+{
+ acpi_status status2;
+
+ ACPI_FUNCTION_TRACE_PTR(ps_complete_op, walk_state);
+
+ /*
+ * Finished one argument of the containing scope
+ */
+ walk_state->parser_state.scope->parse_scope.arg_count--;
+
+ /* Close this Op (will result in parse subtree deletion) */
+
+ status2 = acpi_ps_complete_this_op(walk_state, *op);
+ if (ACPI_FAILURE(status2)) {
+ return_ACPI_STATUS(status2);
+ }
+
+ *op = NULL;
+
+ switch (status) {
+ case AE_OK:
+ break;
+
+ case AE_CTRL_TRANSFER:
+
+ /* We are about to transfer to a called method */
+
+ walk_state->prev_op = NULL;
+ walk_state->prev_arg_types = walk_state->arg_types;
+ return_ACPI_STATUS(status);
+
+ case AE_CTRL_END:
+
+ acpi_ps_pop_scope(&(walk_state->parser_state), op,
+ &walk_state->arg_types,
+ &walk_state->arg_count);
+
+ if (*op) {
+ walk_state->op = *op;
+ walk_state->op_info =
+ acpi_ps_get_opcode_info((*op)->common.aml_opcode);
+ walk_state->opcode = (*op)->common.aml_opcode;
+
+ status = walk_state->ascending_callback(walk_state);
+ status =
+ acpi_ps_next_parse_state(walk_state, *op, status);
+
+ status2 = acpi_ps_complete_this_op(walk_state, *op);
+ if (ACPI_FAILURE(status2)) {
+ return_ACPI_STATUS(status2);
+ }
+ }
+
+ status = AE_OK;
+ break;
+
+ case AE_CTRL_BREAK:
+ case AE_CTRL_CONTINUE:
+
+ /* Pop off scopes until we find the While */
+
+ while (!(*op) || ((*op)->common.aml_opcode != AML_WHILE_OP)) {
+ acpi_ps_pop_scope(&(walk_state->parser_state), op,
+ &walk_state->arg_types,
+ &walk_state->arg_count);
+ }
+
+ /* Close this iteration of the While loop */
+
+ walk_state->op = *op;
+ walk_state->op_info =
+ acpi_ps_get_opcode_info((*op)->common.aml_opcode);
+ walk_state->opcode = (*op)->common.aml_opcode;
+
+ status = walk_state->ascending_callback(walk_state);
+ status = acpi_ps_next_parse_state(walk_state, *op, status);
+
+ status2 = acpi_ps_complete_this_op(walk_state, *op);
+ if (ACPI_FAILURE(status2)) {
+ return_ACPI_STATUS(status2);
+ }
+
+ status = AE_OK;
+ break;
+
+ case AE_CTRL_TERMINATE:
+
+ /* Clean up */
+ do {
+ if (*op) {
+ status2 =
+ acpi_ps_complete_this_op(walk_state, *op);
+ if (ACPI_FAILURE(status2)) {
+ return_ACPI_STATUS(status2);
+ }
+
+ acpi_ut_delete_generic_state
+ (acpi_ut_pop_generic_state
+ (&walk_state->control_state));
+ }
+
+ acpi_ps_pop_scope(&(walk_state->parser_state), op,
+ &walk_state->arg_types,
+ &walk_state->arg_count);
+
+ } while (*op);
+
+ return_ACPI_STATUS(AE_OK);
+
+ default: /* All other non-AE_OK status */
+
+ do {
+ if (*op) {
+ status2 =
+ acpi_ps_complete_this_op(walk_state, *op);
+ if (ACPI_FAILURE(status2)) {
+ return_ACPI_STATUS(status2);
+ }
+ }
+
+ acpi_ps_pop_scope(&(walk_state->parser_state), op,
+ &walk_state->arg_types,
+ &walk_state->arg_count);
+
+ } while (*op);
+
+#if 0
+ /*
+ * TBD: Cleanup parse ops on error
+ */
+ if (*op == NULL) {
+ acpi_ps_pop_scope(parser_state, op,
+ &walk_state->arg_types,
+ &walk_state->arg_count);
+ }
+#endif
+ walk_state->prev_op = NULL;
+ walk_state->prev_arg_types = walk_state->arg_types;
+ return_ACPI_STATUS(status);
+ }
+
+ /* This scope complete? */
+
+ if (acpi_ps_has_completed_scope(&(walk_state->parser_state))) {
+ acpi_ps_pop_scope(&(walk_state->parser_state), op,
+ &walk_state->arg_types,
+ &walk_state->arg_count);
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Popped scope, Op=%p\n", *op));
+ } else {
+ *op = NULL;
+ }
+
+ return_ACPI_STATUS(AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ps_complete_final_op
+ *
+ * PARAMETERS: walk_state - Current state
+ * op - Current Op
+ * status - Current parse status before complete last
+ * Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Complete last Op.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op, acpi_status status)
+{
+ acpi_status status2;
+
+ ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state);
+
+ /*
+ * Complete the last Op (if not completed), and clear the scope stack.
+ * It is easily possible to end an AML "package" with an unbounded number
+ * of open scopes (such as when several ASL blocks are closed with
+ * sequential closing braces). We want to terminate each one cleanly.
+ */
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "AML package complete at Op %p\n",
+ op));
+ do {
+ if (op) {
+ if (walk_state->ascending_callback != NULL) {
+ walk_state->op = op;
+ walk_state->op_info =
+ acpi_ps_get_opcode_info(op->common.
+ aml_opcode);
+ walk_state->opcode = op->common.aml_opcode;
+
+ status =
+ walk_state->ascending_callback(walk_state);
+ status =
+ acpi_ps_next_parse_state(walk_state, op,
+ status);
+ if (status == AE_CTRL_PENDING) {
+ status =
+ acpi_ps_complete_op(walk_state, &op,
+ AE_OK);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ if (status == AE_CTRL_TERMINATE) {
+ status = AE_OK;
+
+ /* Clean up */
+ do {
+ if (op) {
+ status2 =
+ acpi_ps_complete_this_op
+ (walk_state, op);
+ if (ACPI_FAILURE
+ (status2)) {
+ return_ACPI_STATUS
+ (status2);
+ }
+ }
+
+ acpi_ps_pop_scope(&
+ (walk_state->
+ parser_state),
+ &op,
+ &walk_state->
+ arg_types,
+ &walk_state->
+ arg_count);
+
+ } while (op);
+
+ return_ACPI_STATUS(status);
+ }
+
+ else if (ACPI_FAILURE(status)) {
+
+ /* First error is most important */
+
+ (void)
+ acpi_ps_complete_this_op(walk_state,
+ op);
+ return_ACPI_STATUS(status);
+ }
+ }
+
+ status2 = acpi_ps_complete_this_op(walk_state, op);
+ if (ACPI_FAILURE(status2)) {
+ return_ACPI_STATUS(status2);
+ }
+ }
+
+ acpi_ps_pop_scope(&(walk_state->parser_state), &op,
+ &walk_state->arg_types,
+ &walk_state->arg_count);
+
+ } while (op);
+
+ return_ACPI_STATUS(status);
+}
diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c
index 1793d934aa3..1b659e59710 100644
--- a/drivers/acpi/acpica/psopcode.c
+++ b/drivers/acpi/acpica/psopcode.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -43,16 +43,12 @@
#include <acpi/acpi.h>
#include "accommon.h"
-#include "acparser.h"
#include "acopcode.h"
#include "amlcode.h"
#define _COMPONENT ACPI_PARSER
ACPI_MODULE_NAME("psopcode")
-static const u8 acpi_gbl_argument_count[] =
- { 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 6 };
-
/*******************************************************************************
*
* NAME: acpi_gbl_aml_op_info
@@ -63,7 +59,6 @@ static const u8 acpi_gbl_argument_count[] =
* the operand type.
*
******************************************************************************/
-
/*
* Summary of opcode types/flags
*
@@ -181,7 +176,6 @@ static const u8 acpi_gbl_argument_count[] =
AML_CREATE_QWORD_FIELD_OP
******************************************************************************/
-
/*
* Master Opcode information table. A summary of everything we know about each
* opcode, all in one place.
@@ -656,169 +650,3 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = {
/*! [End] no source code translation !*/
};
-
-/*
- * This table is directly indexed by the opcodes, and returns an
- * index into the table above
- */
-static const u8 acpi_gbl_short_op_index[256] = {
-/* 0 1 2 3 4 5 6 7 */
-/* 8 9 A B C D E F */
-/* 0x00 */ 0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK,
-/* 0x08 */ 0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK,
-/* 0x10 */ 0x08, 0x09, 0x0a, 0x6F, 0x0b, _UNK, _UNK, _UNK,
-/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x20 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x28 */ _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,
-/* 0x30 */ 0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D,
-/* 0x38 */ 0x7F, 0x80, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x40 */ _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
-/* 0x48 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
-/* 0x50 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
-/* 0x58 */ _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC,
-/* 0x60 */ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
-/* 0x68 */ 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK,
-/* 0x70 */ 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22,
-/* 0x78 */ 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
-/* 0x80 */ 0x2b, 0x2c, 0x2d, 0x2e, 0x70, 0x71, 0x2f, 0x30,
-/* 0x88 */ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x72,
-/* 0x90 */ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x73, 0x74,
-/* 0x98 */ 0x75, 0x76, _UNK, _UNK, 0x77, 0x78, 0x79, 0x7A,
-/* 0xA0 */ 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61,
-/* 0xA8 */ 0x62, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0xB0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0xB8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0xC0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0xC8 */ _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK,
-/* 0xD0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0xD8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0xE0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0xE8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0xF0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0xF8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45,
-};
-
-/*
- * This table is indexed by the second opcode of the extended opcode
- * pair. It returns an index into the opcode table (acpi_gbl_aml_op_info)
- */
-static const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = {
-/* 0 1 2 3 4 5 6 7 */
-/* 8 9 A B C D E F */
-/* 0x00 */ _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x08 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x10 */ _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK,
-/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x7B,
-/* 0x20 */ 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51,
-/* 0x28 */ 0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x30 */ 0x55, 0x56, 0x57, 0x7e, _UNK, _UNK, _UNK, _UNK,
-/* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x40 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x48 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x50 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x58 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x60 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x68 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x70 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x78 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
-/* 0x80 */ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
-/* 0x88 */ 0x7C,
-};
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ps_get_opcode_info
- *
- * PARAMETERS: opcode - The AML opcode
- *
- * RETURN: A pointer to the info about the opcode.
- *
- * DESCRIPTION: Find AML opcode description based on the opcode.
- * NOTE: This procedure must ALWAYS return a valid pointer!
- *
- ******************************************************************************/
-
-const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
-{
- ACPI_FUNCTION_NAME(ps_get_opcode_info);
-
- /*
- * Detect normal 8-bit opcode or extended 16-bit opcode
- */
- if (!(opcode & 0xFF00)) {
-
- /* Simple (8-bit) opcode: 0-255, can't index beyond table */
-
- return (&acpi_gbl_aml_op_info
- [acpi_gbl_short_op_index[(u8) opcode]]);
- }
-
- if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
- (((u8) opcode) <= MAX_EXTENDED_OPCODE)) {
-
- /* Valid extended (16-bit) opcode */
-
- return (&acpi_gbl_aml_op_info
- [acpi_gbl_long_op_index[(u8) opcode]]);
- }
-
- /* Unknown AML opcode */
-
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
- "Unknown AML opcode [%4.4X]\n", opcode));
-
- return (&acpi_gbl_aml_op_info[_UNK]);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ps_get_opcode_name
- *
- * PARAMETERS: opcode - The AML opcode
- *
- * RETURN: A pointer to the name of the opcode (ASCII String)
- * Note: Never returns NULL.
- *
- * DESCRIPTION: Translate an opcode into a human-readable string
- *
- ******************************************************************************/
-
-char *acpi_ps_get_opcode_name(u16 opcode)
-{
-#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
-
- const struct acpi_opcode_info *op;
-
- op = acpi_ps_get_opcode_info(opcode);
-
- /* Always guaranteed to return a valid pointer */
-
- return (op->name);
-
-#else
- return ("OpcodeName unavailable");
-
-#endif
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ps_get_argument_count
- *
- * PARAMETERS: op_type - Type associated with the AML opcode
- *
- * RETURN: Argument count
- *
- * DESCRIPTION: Obtain the number of expected arguments for an AML opcode
- *
- ******************************************************************************/
-
-u8 acpi_ps_get_argument_count(u32 op_type)
-{
-
- if (op_type <= AML_TYPE_EXEC_6A_0T_1R) {
- return (acpi_gbl_argument_count[op_type]);
- }
-
- return (0);
-}
diff --git a/drivers/acpi/acpica/psopinfo.c b/drivers/acpi/acpica/psopinfo.c
new file mode 100644
index 00000000000..9ba5301e575
--- /dev/null
+++ b/drivers/acpi/acpica/psopinfo.c
@@ -0,0 +1,223 @@
+/******************************************************************************
+ *
+ * Module Name: psopinfo - AML opcode information functions and dispatch tables
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acparser.h"
+#include "acopcode.h"
+#include "amlcode.h"
+
+#define _COMPONENT ACPI_PARSER
+ACPI_MODULE_NAME("psopinfo")
+
+extern const u8 acpi_gbl_short_op_index[];
+extern const u8 acpi_gbl_long_op_index[];
+
+static const u8 acpi_gbl_argument_count[] =
+ { 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 6 };
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ps_get_opcode_info
+ *
+ * PARAMETERS: opcode - The AML opcode
+ *
+ * RETURN: A pointer to the info about the opcode.
+ *
+ * DESCRIPTION: Find AML opcode description based on the opcode.
+ * NOTE: This procedure must ALWAYS return a valid pointer!
+ *
+ ******************************************************************************/
+
+const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
+{
+ ACPI_FUNCTION_NAME(ps_get_opcode_info);
+
+ /*
+ * Detect normal 8-bit opcode or extended 16-bit opcode
+ */
+ if (!(opcode & 0xFF00)) {
+
+ /* Simple (8-bit) opcode: 0-255, can't index beyond table */
+
+ return (&acpi_gbl_aml_op_info
+ [acpi_gbl_short_op_index[(u8)opcode]]);
+ }
+
+ if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
+ (((u8)opcode) <= MAX_EXTENDED_OPCODE)) {
+
+ /* Valid extended (16-bit) opcode */
+
+ return (&acpi_gbl_aml_op_info
+ [acpi_gbl_long_op_index[(u8)opcode]]);
+ }
+
+ /* Unknown AML opcode */
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "Unknown AML opcode [%4.4X]\n", opcode));
+
+ return (&acpi_gbl_aml_op_info[_UNK]);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ps_get_opcode_name
+ *
+ * PARAMETERS: opcode - The AML opcode
+ *
+ * RETURN: A pointer to the name of the opcode (ASCII String)
+ * Note: Never returns NULL.
+ *
+ * DESCRIPTION: Translate an opcode into a human-readable string
+ *
+ ******************************************************************************/
+
+char *acpi_ps_get_opcode_name(u16 opcode)
+{
+#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
+
+ const struct acpi_opcode_info *op;
+
+ op = acpi_ps_get_opcode_info(opcode);
+
+ /* Always guaranteed to return a valid pointer */
+
+ return (op->name);
+
+#else
+ return ("OpcodeName unavailable");
+
+#endif
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ps_get_argument_count
+ *
+ * PARAMETERS: op_type - Type associated with the AML opcode
+ *
+ * RETURN: Argument count
+ *
+ * DESCRIPTION: Obtain the number of expected arguments for an AML opcode
+ *
+ ******************************************************************************/
+
+u8 acpi_ps_get_argument_count(u32 op_type)
+{
+
+ if (op_type <= AML_TYPE_EXEC_6A_0T_1R) {
+ return (acpi_gbl_argument_count[op_type]);
+ }
+
+ return (0);
+}
+
+/*
+ * This table is directly indexed by the opcodes It returns
+ * an index into the opcode table (acpi_gbl_aml_op_info)
+ */
+const u8 acpi_gbl_short_op_index[256] = {
+/* 0 1 2 3 4 5 6 7 */
+/* 8 9 A B C D E F */
+/* 0x00 */ 0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK,
+/* 0x08 */ 0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK,
+/* 0x10 */ 0x08, 0x09, 0x0a, 0x6F, 0x0b, _UNK, _UNK, _UNK,
+/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x20 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x28 */ _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,
+/* 0x30 */ 0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D,
+/* 0x38 */ 0x7F, 0x80, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x40 */ _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
+/* 0x48 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
+/* 0x50 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
+/* 0x58 */ _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC,
+/* 0x60 */ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
+/* 0x68 */ 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK,
+/* 0x70 */ 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22,
+/* 0x78 */ 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
+/* 0x80 */ 0x2b, 0x2c, 0x2d, 0x2e, 0x70, 0x71, 0x2f, 0x30,
+/* 0x88 */ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x72,
+/* 0x90 */ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x73, 0x74,
+/* 0x98 */ 0x75, 0x76, _UNK, _UNK, 0x77, 0x78, 0x79, 0x7A,
+/* 0xA0 */ 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61,
+/* 0xA8 */ 0x62, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xB0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xB8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xC0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xC8 */ _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK,
+/* 0xD0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xD8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xE0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xE8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xF0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0xF8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45,
+};
+
+/*
+ * This table is indexed by the second opcode of the extended opcode
+ * pair. It returns an index into the opcode table (acpi_gbl_aml_op_info)
+ */
+const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = {
+/* 0 1 2 3 4 5 6 7 */
+/* 8 9 A B C D E F */
+/* 0x00 */ _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x08 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x10 */ _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK,
+/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x7B,
+/* 0x20 */ 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51,
+/* 0x28 */ 0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x30 */ 0x55, 0x56, 0x57, 0x7e, _UNK, _UNK, _UNK, _UNK,
+/* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x40 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x48 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x50 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x58 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x60 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x68 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x70 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x78 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
+/* 0x80 */ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+/* 0x88 */ 0x7C,
+};
diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c
index 2494caf4775..abc4c48b2ed 100644
--- a/drivers/acpi/acpica/psparse.c
+++ b/drivers/acpi/acpica/psparse.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/psscope.c b/drivers/acpi/acpica/psscope.c
index 608dc20dc17..6a4b6fb39f3 100644
--- a/drivers/acpi/acpica/psscope.c
+++ b/drivers/acpi/acpica/psscope.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/pstree.c b/drivers/acpi/acpica/pstree.c
index fdb2e71f304..c1934bf04f0 100644
--- a/drivers/acpi/acpica/pstree.c
+++ b/drivers/acpi/acpica/pstree.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c
index 4137dcb352d..91fa73a6e55 100644
--- a/drivers/acpi/acpica/psutils.c
+++ b/drivers/acpi/acpica/psutils.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -202,14 +202,6 @@ u8 acpi_ps_is_leading_char(u32 c)
}
/*
- * Is "c" a namestring prefix character?
- */
-u8 acpi_ps_is_prefix_char(u32 c)
-{
- return ((u8) (c == '\\' || c == '^'));
-}
-
-/*
* Get op's name (4-byte name segment) or 0 if unnamed
*/
#ifdef ACPI_FUTURE_USAGE
diff --git a/drivers/acpi/acpica/pswalk.c b/drivers/acpi/acpica/pswalk.c
index ab96cf47896..abd65624754 100644
--- a/drivers/acpi/acpica/pswalk.c
+++ b/drivers/acpi/acpica/pswalk.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c
index 963e1622579..f6825426896 100644
--- a/drivers/acpi/acpica/psxface.c
+++ b/drivers/acpi/acpica/psxface.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsaddr.c b/drivers/acpi/acpica/rsaddr.c
index 856ff075b6a..f3a9276ac66 100644
--- a/drivers/acpi/acpica/rsaddr.c
+++ b/drivers/acpi/acpica/rsaddr.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c
index 147feb6aa2a..7816d4eef04 100644
--- a/drivers/acpi/acpica/rscalc.c
+++ b/drivers/acpi/acpica/rscalc.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -84,7 +84,7 @@ static u8 acpi_rs_count_set_bits(u16 bit_field)
bit_field &= (u16) (bit_field - 1);
}
- return bits_set;
+ return (bits_set);
}
/*******************************************************************************
@@ -407,7 +407,9 @@ acpi_rs_get_list_length(u8 * aml_buffer,
/* Validate the Resource Type and Resource Length */
- status = acpi_ut_validate_resource(aml_buffer, &resource_index);
+ status =
+ acpi_ut_validate_resource(NULL, aml_buffer,
+ &resource_index);
if (ACPI_FAILURE(status)) {
/*
* Exit on failure. Cannot continue because the descriptor length
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
index 311cbc4f05f..f8b55b426c9 100644
--- a/drivers/acpi/acpica/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -98,7 +98,7 @@ acpi_buffer_to_resource(u8 *aml_buffer,
/* Perform the AML-to-Resource conversion */
- status = acpi_ut_walk_aml_resources(aml_buffer, aml_buffer_length,
+ status = acpi_ut_walk_aml_resources(NULL, aml_buffer, aml_buffer_length,
acpi_rs_convert_aml_to_resources,
&current_resource_ptr);
if (status == AE_AML_NO_RESOURCE_END_TAG) {
@@ -174,7 +174,7 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
/* Do the conversion */
resource = output_buffer->pointer;
- status = acpi_ut_walk_aml_resources(aml_start, aml_buffer_length,
+ status = acpi_ut_walk_aml_resources(NULL, aml_start, aml_buffer_length,
acpi_rs_convert_aml_to_resources,
&resource);
if (ACPI_FAILURE(status)) {
@@ -480,8 +480,7 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed);
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
- (u32) aml_size_needed,
- acpi_format_exception(status)));
+ (u32)aml_size_needed, acpi_format_exception(status)));
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c
index 4d11b072388..cab51445189 100644
--- a/drivers/acpi/acpica/rsdump.c
+++ b/drivers/acpi/acpica/rsdump.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -77,419 +77,16 @@ static void acpi_rs_dump_address_common(union acpi_resource_data *resource);
static void
acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table);
-#define ACPI_RSD_OFFSET(f) (u8) ACPI_OFFSET (union acpi_resource_data,f)
-#define ACPI_PRT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_pci_routing_table,f)
-#define ACPI_RSD_TABLE_SIZE(name) (sizeof(name) / sizeof (struct acpi_rsdump_info))
-
-/*******************************************************************************
- *
- * Resource Descriptor info tables
- *
- * Note: The first table entry must be a Title or Literal and must contain
- * the table length (number of table entries)
- *
- ******************************************************************************/
-
-struct acpi_rsdump_info acpi_rs_dump_irq[7] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_irq), "IRQ", NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.descriptor_length),
- "Descriptor Length", NULL},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.triggering), "Triggering",
- acpi_gbl_he_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.polarity), "Polarity",
- acpi_gbl_ll_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.sharable), "Sharing",
- acpi_gbl_shr_decode},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.interrupt_count),
- "Interrupt Count", NULL},
- {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(irq.interrupts[0]),
- "Interrupt List", NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_dma[6] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_dma), "DMA", NULL},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.type), "Speed",
- acpi_gbl_typ_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(dma.bus_master), "Mastering",
- acpi_gbl_bm_decode},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.transfer), "Transfer Type",
- acpi_gbl_siz_decode},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(dma.channel_count), "Channel Count",
- NULL},
- {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(dma.channels[0]), "Channel List",
- NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_start_dpf[4] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_start_dpf),
- "Start-Dependent-Functions", NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(start_dpf.descriptor_length),
- "Descriptor Length", NULL},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(start_dpf.compatibility_priority),
- "Compatibility Priority", acpi_gbl_config_decode},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(start_dpf.performance_robustness),
- "Performance/Robustness", acpi_gbl_config_decode}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_end_dpf[1] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_dpf),
- "End-Dependent-Functions", NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_io[6] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io), "I/O", NULL},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(io.io_decode), "Address Decoding",
- acpi_gbl_io_decode},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(io.minimum), "Address Minimum", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(io.maximum), "Address Maximum", NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(io.alignment), "Alignment", NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(io.address_length), "Address Length",
- NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_fixed_io[3] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_io),
- "Fixed I/O", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(fixed_io.address), "Address", NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(fixed_io.address_length),
- "Address Length", NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_vendor[3] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_vendor),
- "Vendor Specific", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(vendor.byte_length), "Length", NULL},
- {ACPI_RSD_LONGLIST, ACPI_RSD_OFFSET(vendor.byte_data[0]), "Vendor Data",
- NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_end_tag[1] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_tag), "EndTag",
- NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_memory24[6] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory24),
- "24-Bit Memory Range", NULL},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory24.write_protect),
- "Write Protect", acpi_gbl_rw_decode},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.minimum), "Address Minimum",
- NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.maximum), "Address Maximum",
- NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.alignment), "Alignment",
- NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.address_length),
- "Address Length", NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_memory32[6] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory32),
- "32-Bit Memory Range", NULL},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory32.write_protect),
- "Write Protect", acpi_gbl_rw_decode},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.minimum), "Address Minimum",
- NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.maximum), "Address Maximum",
- NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.alignment), "Alignment",
- NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.address_length),
- "Address Length", NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[4] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_memory32),
- "32-Bit Fixed Memory Range", NULL},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(fixed_memory32.write_protect),
- "Write Protect", acpi_gbl_rw_decode},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address), "Address",
- NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address_length),
- "Address Length", NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_address16[8] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_address16),
- "16-Bit WORD Address Space", NULL},
- {ACPI_RSD_ADDRESS, 0, NULL, NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.granularity), "Granularity",
- NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.minimum), "Address Minimum",
- NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.maximum), "Address Maximum",
- NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.translation_offset),
- "Translation Offset", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.address_length),
- "Address Length", NULL},
- {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(address16.resource_source), NULL, NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_address32[8] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_address32),
- "32-Bit DWORD Address Space", NULL},
- {ACPI_RSD_ADDRESS, 0, NULL, NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.granularity), "Granularity",
- NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.minimum), "Address Minimum",
- NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.maximum), "Address Maximum",
- NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.translation_offset),
- "Translation Offset", NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.address_length),
- "Address Length", NULL},
- {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(address32.resource_source), NULL, NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_address64[8] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_address64),
- "64-Bit QWORD Address Space", NULL},
- {ACPI_RSD_ADDRESS, 0, NULL, NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.granularity), "Granularity",
- NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.minimum), "Address Minimum",
- NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.maximum), "Address Maximum",
- NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.translation_offset),
- "Translation Offset", NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.address_length),
- "Address Length", NULL},
- {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(address64.resource_source), NULL, NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_ext_address64[8] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_ext_address64),
- "64-Bit Extended Address Space", NULL},
- {ACPI_RSD_ADDRESS, 0, NULL, NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.granularity),
- "Granularity", NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.minimum),
- "Address Minimum", NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.maximum),
- "Address Maximum", NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.translation_offset),
- "Translation Offset", NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.address_length),
- "Address Length", NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.type_specific),
- "Type-Specific Attribute", NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_ext_irq[8] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_ext_irq),
- "Extended IRQ", NULL},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.producer_consumer),
- "Type", acpi_gbl_consume_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.triggering),
- "Triggering", acpi_gbl_he_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.polarity), "Polarity",
- acpi_gbl_ll_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.sharable), "Sharing",
- acpi_gbl_shr_decode},
- {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(extended_irq.resource_source), NULL,
- NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(extended_irq.interrupt_count),
- "Interrupt Count", NULL},
- {ACPI_RSD_DWORDLIST, ACPI_RSD_OFFSET(extended_irq.interrupts[0]),
- "Interrupt List", NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_generic_reg[6] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_generic_reg),
- "Generic Register", NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.space_id), "Space ID",
- NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.bit_width), "Bit Width",
- NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.bit_offset), "Bit Offset",
- NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.access_size),
- "Access Size", NULL},
- {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(generic_reg.address), "Address", NULL}
-};
-
-struct acpi_rsdump_info acpi_rs_dump_gpio[16] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_gpio), "GPIO", NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.revision_id), "RevisionId", NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.connection_type),
- "ConnectionType", acpi_gbl_ct_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(gpio.producer_consumer),
- "ProducerConsumer", acpi_gbl_consume_decode},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.pin_config), "PinConfig",
- acpi_gbl_ppc_decode},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.sharable), "Sharable",
- acpi_gbl_shr_decode},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.io_restriction),
- "IoRestriction", acpi_gbl_ior_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(gpio.triggering), "Triggering",
- acpi_gbl_he_decode},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.polarity), "Polarity",
- acpi_gbl_ll_decode},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.drive_strength), "DriveStrength",
- NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.debounce_timeout),
- "DebounceTimeout", NULL},
- {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(gpio.resource_source),
- "ResourceSource", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.pin_table_length),
- "PinTableLength", NULL},
- {ACPI_RSD_WORDLIST, ACPI_RSD_OFFSET(gpio.pin_table), "PinTable", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.vendor_length), "VendorLength",
- NULL},
- {ACPI_RSD_SHORTLISTX, ACPI_RSD_OFFSET(gpio.vendor_data), "VendorData",
- NULL},
-};
-
-struct acpi_rsdump_info acpi_rs_dump_fixed_dma[4] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_dma),
- "FixedDma", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(fixed_dma.request_lines),
- "RequestLines", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(fixed_dma.channels), "Channels",
- NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(fixed_dma.width), "TransferWidth",
- acpi_gbl_dts_decode},
-};
-
-#define ACPI_RS_DUMP_COMMON_SERIAL_BUS \
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.revision_id), "RevisionId", NULL}, \
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type), "Type", acpi_gbl_sbt_decode}, \
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.producer_consumer), "ProducerConsumer", acpi_gbl_consume_decode}, \
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.slave_mode), "SlaveMode", acpi_gbl_sm_decode}, \
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type_revision_id), "TypeRevisionId", NULL}, \
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.type_data_length), "TypeDataLength", NULL}, \
- {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET (common_serial_bus.resource_source), "ResourceSource", NULL}, \
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.vendor_length), "VendorLength", NULL}, \
- {ACPI_RSD_SHORTLISTX,ACPI_RSD_OFFSET (common_serial_bus.vendor_data), "VendorData", NULL},
-
-struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[10] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_common_serial_bus),
- "Common Serial Bus", NULL},
- ACPI_RS_DUMP_COMMON_SERIAL_BUS
-};
-
-struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[13] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_i2c_serial_bus),
- "I2C Serial Bus", NULL},
- ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG,
- ACPI_RSD_OFFSET(i2c_serial_bus.
- access_mode),
- "AccessMode", acpi_gbl_am_decode},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(i2c_serial_bus.connection_speed),
- "ConnectionSpeed", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(i2c_serial_bus.slave_address),
- "SlaveAddress", NULL},
-};
-
-struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[17] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_spi_serial_bus),
- "Spi Serial Bus", NULL},
- ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG,
- ACPI_RSD_OFFSET(spi_serial_bus.
- wire_mode), "WireMode",
- acpi_gbl_wm_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(spi_serial_bus.device_polarity),
- "DevicePolarity", acpi_gbl_dp_decode},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(spi_serial_bus.data_bit_length),
- "DataBitLength", NULL},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(spi_serial_bus.clock_phase),
- "ClockPhase", acpi_gbl_cph_decode},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(spi_serial_bus.clock_polarity),
- "ClockPolarity", acpi_gbl_cpo_decode},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(spi_serial_bus.device_selection),
- "DeviceSelection", NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(spi_serial_bus.connection_speed),
- "ConnectionSpeed", NULL},
-};
-
-struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[19] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_uart_serial_bus),
- "Uart Serial Bus", NULL},
- ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_2BITFLAG,
- ACPI_RSD_OFFSET(uart_serial_bus.
- flow_control),
- "FlowControl", acpi_gbl_fc_decode},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(uart_serial_bus.stop_bits),
- "StopBits", acpi_gbl_sb_decode},
- {ACPI_RSD_3BITFLAG, ACPI_RSD_OFFSET(uart_serial_bus.data_bits),
- "DataBits", acpi_gbl_bpb_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(uart_serial_bus.endian), "Endian",
- acpi_gbl_ed_decode},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(uart_serial_bus.parity), "Parity",
- acpi_gbl_pt_decode},
- {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(uart_serial_bus.lines_enabled),
- "LinesEnabled", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(uart_serial_bus.rx_fifo_size),
- "RxFifoSize", NULL},
- {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(uart_serial_bus.tx_fifo_size),
- "TxFifoSize", NULL},
- {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(uart_serial_bus.default_baud_rate),
- "ConnectionSpeed", NULL},
-};
-
-/*
- * Tables used for common address descriptor flag fields
- */
-static struct acpi_rsdump_info acpi_rs_dump_general_flags[5] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_general_flags), NULL,
- NULL},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.producer_consumer),
- "Consumer/Producer", acpi_gbl_consume_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.decode), "Address Decode",
- acpi_gbl_dec_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.min_address_fixed),
- "Min Relocatability", acpi_gbl_min_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.max_address_fixed),
- "Max Relocatability", acpi_gbl_max_decode}
-};
-
-static struct acpi_rsdump_info acpi_rs_dump_memory_flags[5] = {
- {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory_flags),
- "Resource Type", (void *)"Memory Range"},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.write_protect),
- "Write Protect", acpi_gbl_rw_decode},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.caching),
- "Caching", acpi_gbl_mem_decode},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.range_type),
- "Range Type", acpi_gbl_mtp_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.translation),
- "Translation", acpi_gbl_ttp_decode}
-};
-
-static struct acpi_rsdump_info acpi_rs_dump_io_flags[4] = {
- {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io_flags),
- "Resource Type", (void *)"I/O Range"},
- {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.io.range_type),
- "Range Type", acpi_gbl_rng_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation),
- "Translation", acpi_gbl_ttp_decode},
- {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation_type),
- "Translation Type", acpi_gbl_trs_decode}
-};
-
-/*
- * Table used to dump _PRT contents
- */
-static struct acpi_rsdump_info acpi_rs_dump_prt[5] = {
- {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_prt), NULL, NULL},
- {ACPI_RSD_UINT64, ACPI_PRT_OFFSET(address), "Address", NULL},
- {ACPI_RSD_UINT32, ACPI_PRT_OFFSET(pin), "Pin", NULL},
- {ACPI_RSD_STRING, ACPI_PRT_OFFSET(source[0]), "Source", NULL},
- {ACPI_RSD_UINT32, ACPI_PRT_OFFSET(source_index), "Source Index", NULL}
-};
-
/*******************************************************************************
*
* FUNCTION: acpi_rs_dump_descriptor
*
- * PARAMETERS: Resource
+ * PARAMETERS: resource - Buffer containing the resource
+ * table - Table entry to decode the resource
*
* RETURN: None
*
- * DESCRIPTION:
+ * DESCRIPTION: Dump a resource descriptor based on a dump table entry.
*
******************************************************************************/
@@ -654,7 +251,8 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table)
/*
* Optional resource_source for Address resources
*/
- acpi_rs_dump_resource_source(ACPI_CAST_PTR(struct
+ acpi_rs_dump_resource_source(ACPI_CAST_PTR
+ (struct
acpi_resource_source,
target));
break;
@@ -765,8 +363,9 @@ void acpi_rs_dump_resource_list(struct acpi_resource *resource_list)
ACPI_FUNCTION_ENTRY();
- if (!(acpi_dbg_level & ACPI_LV_RESOURCES)
- || !(_COMPONENT & acpi_dbg_layer)) {
+ /* Check if debug output enabled */
+
+ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) {
return;
}
@@ -827,8 +426,9 @@ void acpi_rs_dump_irq_list(u8 * route_table)
ACPI_FUNCTION_ENTRY();
- if (!(acpi_dbg_level & ACPI_LV_RESOURCES)
- || !(_COMPONENT & acpi_dbg_layer)) {
+ /* Check if debug output enabled */
+
+ if (!ACPI_IS_DEBUG_ENABLED(ACPI_LV_RESOURCES, _COMPONENT)) {
return;
}
diff --git a/drivers/acpi/acpica/rsdumpinfo.c b/drivers/acpi/acpica/rsdumpinfo.c
new file mode 100644
index 00000000000..46192bd5365
--- /dev/null
+++ b/drivers/acpi/acpica/rsdumpinfo.c
@@ -0,0 +1,454 @@
+/*******************************************************************************
+ *
+ * Module Name: rsdumpinfo - Tables used to display resource descriptors.
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acresrc.h"
+
+#define _COMPONENT ACPI_RESOURCES
+ACPI_MODULE_NAME("rsdumpinfo")
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+#define ACPI_RSD_OFFSET(f) (u8) ACPI_OFFSET (union acpi_resource_data,f)
+#define ACPI_PRT_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_pci_routing_table,f)
+#define ACPI_RSD_TABLE_SIZE(name) (sizeof(name) / sizeof (struct acpi_rsdump_info))
+/*******************************************************************************
+ *
+ * Resource Descriptor info tables
+ *
+ * Note: The first table entry must be a Title or Literal and must contain
+ * the table length (number of table entries)
+ *
+ ******************************************************************************/
+struct acpi_rsdump_info acpi_rs_dump_irq[7] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_irq), "IRQ", NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.descriptor_length),
+ "Descriptor Length", NULL},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.triggering), "Triggering",
+ acpi_gbl_he_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.polarity), "Polarity",
+ acpi_gbl_ll_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(irq.sharable), "Sharing",
+ acpi_gbl_shr_decode},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.interrupt_count),
+ "Interrupt Count", NULL},
+ {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(irq.interrupts[0]),
+ "Interrupt List", NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_dma[6] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_dma), "DMA", NULL},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.type), "Speed",
+ acpi_gbl_typ_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(dma.bus_master), "Mastering",
+ acpi_gbl_bm_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.transfer), "Transfer Type",
+ acpi_gbl_siz_decode},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(dma.channel_count), "Channel Count",
+ NULL},
+ {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(dma.channels[0]), "Channel List",
+ NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_start_dpf[4] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_start_dpf),
+ "Start-Dependent-Functions", NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(start_dpf.descriptor_length),
+ "Descriptor Length", NULL},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(start_dpf.compatibility_priority),
+ "Compatibility Priority", acpi_gbl_config_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(start_dpf.performance_robustness),
+ "Performance/Robustness", acpi_gbl_config_decode}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_end_dpf[1] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_dpf),
+ "End-Dependent-Functions", NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_io[6] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io), "I/O", NULL},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(io.io_decode), "Address Decoding",
+ acpi_gbl_io_decode},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(io.minimum), "Address Minimum", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(io.maximum), "Address Maximum", NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(io.alignment), "Alignment", NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(io.address_length), "Address Length",
+ NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_fixed_io[3] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_io),
+ "Fixed I/O", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(fixed_io.address), "Address", NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(fixed_io.address_length),
+ "Address Length", NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_vendor[3] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_vendor),
+ "Vendor Specific", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(vendor.byte_length), "Length", NULL},
+ {ACPI_RSD_LONGLIST, ACPI_RSD_OFFSET(vendor.byte_data[0]), "Vendor Data",
+ NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_end_tag[1] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_tag), "EndTag",
+ NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_memory24[6] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory24),
+ "24-Bit Memory Range", NULL},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory24.write_protect),
+ "Write Protect", acpi_gbl_rw_decode},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.minimum), "Address Minimum",
+ NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.maximum), "Address Maximum",
+ NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.alignment), "Alignment",
+ NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.address_length),
+ "Address Length", NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_memory32[6] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory32),
+ "32-Bit Memory Range", NULL},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory32.write_protect),
+ "Write Protect", acpi_gbl_rw_decode},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.minimum), "Address Minimum",
+ NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.maximum), "Address Maximum",
+ NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.alignment), "Alignment",
+ NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.address_length),
+ "Address Length", NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[4] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_memory32),
+ "32-Bit Fixed Memory Range", NULL},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(fixed_memory32.write_protect),
+ "Write Protect", acpi_gbl_rw_decode},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address), "Address",
+ NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address_length),
+ "Address Length", NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_address16[8] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_address16),
+ "16-Bit WORD Address Space", NULL},
+ {ACPI_RSD_ADDRESS, 0, NULL, NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.granularity), "Granularity",
+ NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.minimum), "Address Minimum",
+ NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.maximum), "Address Maximum",
+ NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.translation_offset),
+ "Translation Offset", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(address16.address_length),
+ "Address Length", NULL},
+ {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(address16.resource_source), NULL, NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_address32[8] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_address32),
+ "32-Bit DWORD Address Space", NULL},
+ {ACPI_RSD_ADDRESS, 0, NULL, NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.granularity), "Granularity",
+ NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.minimum), "Address Minimum",
+ NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.maximum), "Address Maximum",
+ NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.translation_offset),
+ "Translation Offset", NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(address32.address_length),
+ "Address Length", NULL},
+ {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(address32.resource_source), NULL, NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_address64[8] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_address64),
+ "64-Bit QWORD Address Space", NULL},
+ {ACPI_RSD_ADDRESS, 0, NULL, NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.granularity), "Granularity",
+ NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.minimum), "Address Minimum",
+ NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.maximum), "Address Maximum",
+ NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.translation_offset),
+ "Translation Offset", NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(address64.address_length),
+ "Address Length", NULL},
+ {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(address64.resource_source), NULL, NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_ext_address64[8] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_ext_address64),
+ "64-Bit Extended Address Space", NULL},
+ {ACPI_RSD_ADDRESS, 0, NULL, NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.granularity),
+ "Granularity", NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.minimum),
+ "Address Minimum", NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.maximum),
+ "Address Maximum", NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.translation_offset),
+ "Translation Offset", NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.address_length),
+ "Address Length", NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(ext_address64.type_specific),
+ "Type-Specific Attribute", NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_ext_irq[8] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_ext_irq),
+ "Extended IRQ", NULL},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.producer_consumer),
+ "Type", acpi_gbl_consume_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.triggering),
+ "Triggering", acpi_gbl_he_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.polarity), "Polarity",
+ acpi_gbl_ll_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(extended_irq.sharable), "Sharing",
+ acpi_gbl_shr_decode},
+ {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(extended_irq.resource_source), NULL,
+ NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(extended_irq.interrupt_count),
+ "Interrupt Count", NULL},
+ {ACPI_RSD_DWORDLIST, ACPI_RSD_OFFSET(extended_irq.interrupts[0]),
+ "Interrupt List", NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_generic_reg[6] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_generic_reg),
+ "Generic Register", NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.space_id), "Space ID",
+ NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.bit_width), "Bit Width",
+ NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.bit_offset), "Bit Offset",
+ NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(generic_reg.access_size),
+ "Access Size", NULL},
+ {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(generic_reg.address), "Address", NULL}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_gpio[16] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_gpio), "GPIO", NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.revision_id), "RevisionId", NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.connection_type),
+ "ConnectionType", acpi_gbl_ct_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(gpio.producer_consumer),
+ "ProducerConsumer", acpi_gbl_consume_decode},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.pin_config), "PinConfig",
+ acpi_gbl_ppc_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.sharable), "Sharing",
+ acpi_gbl_shr_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.io_restriction),
+ "IoRestriction", acpi_gbl_ior_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(gpio.triggering), "Triggering",
+ acpi_gbl_he_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.polarity), "Polarity",
+ acpi_gbl_ll_decode},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.drive_strength), "DriveStrength",
+ NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.debounce_timeout),
+ "DebounceTimeout", NULL},
+ {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(gpio.resource_source),
+ "ResourceSource", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.pin_table_length),
+ "PinTableLength", NULL},
+ {ACPI_RSD_WORDLIST, ACPI_RSD_OFFSET(gpio.pin_table), "PinTable", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.vendor_length), "VendorLength",
+ NULL},
+ {ACPI_RSD_SHORTLISTX, ACPI_RSD_OFFSET(gpio.vendor_data), "VendorData",
+ NULL},
+};
+
+struct acpi_rsdump_info acpi_rs_dump_fixed_dma[4] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_dma),
+ "FixedDma", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(fixed_dma.request_lines),
+ "RequestLines", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(fixed_dma.channels), "Channels",
+ NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(fixed_dma.width), "TransferWidth",
+ acpi_gbl_dts_decode},
+};
+
+#define ACPI_RS_DUMP_COMMON_SERIAL_BUS \
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.revision_id), "RevisionId", NULL}, \
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type), "Type", acpi_gbl_sbt_decode}, \
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.producer_consumer), "ProducerConsumer", acpi_gbl_consume_decode}, \
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.slave_mode), "SlaveMode", acpi_gbl_sm_decode}, \
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type_revision_id), "TypeRevisionId", NULL}, \
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.type_data_length), "TypeDataLength", NULL}, \
+ {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET (common_serial_bus.resource_source), "ResourceSource", NULL}, \
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.vendor_length), "VendorLength", NULL}, \
+ {ACPI_RSD_SHORTLISTX,ACPI_RSD_OFFSET (common_serial_bus.vendor_data), "VendorData", NULL},
+
+struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[10] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_common_serial_bus),
+ "Common Serial Bus", NULL},
+ ACPI_RS_DUMP_COMMON_SERIAL_BUS
+};
+
+struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[13] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_i2c_serial_bus),
+ "I2C Serial Bus", NULL},
+ ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG,
+ ACPI_RSD_OFFSET(i2c_serial_bus.
+ access_mode),
+ "AccessMode", acpi_gbl_am_decode},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(i2c_serial_bus.connection_speed),
+ "ConnectionSpeed", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(i2c_serial_bus.slave_address),
+ "SlaveAddress", NULL},
+};
+
+struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[17] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_spi_serial_bus),
+ "Spi Serial Bus", NULL},
+ ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG,
+ ACPI_RSD_OFFSET(spi_serial_bus.
+ wire_mode), "WireMode",
+ acpi_gbl_wm_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(spi_serial_bus.device_polarity),
+ "DevicePolarity", acpi_gbl_dp_decode},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(spi_serial_bus.data_bit_length),
+ "DataBitLength", NULL},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(spi_serial_bus.clock_phase),
+ "ClockPhase", acpi_gbl_cph_decode},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(spi_serial_bus.clock_polarity),
+ "ClockPolarity", acpi_gbl_cpo_decode},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(spi_serial_bus.device_selection),
+ "DeviceSelection", NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(spi_serial_bus.connection_speed),
+ "ConnectionSpeed", NULL},
+};
+
+struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[19] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_uart_serial_bus),
+ "Uart Serial Bus", NULL},
+ ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_2BITFLAG,
+ ACPI_RSD_OFFSET(uart_serial_bus.
+ flow_control),
+ "FlowControl", acpi_gbl_fc_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(uart_serial_bus.stop_bits),
+ "StopBits", acpi_gbl_sb_decode},
+ {ACPI_RSD_3BITFLAG, ACPI_RSD_OFFSET(uart_serial_bus.data_bits),
+ "DataBits", acpi_gbl_bpb_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(uart_serial_bus.endian), "Endian",
+ acpi_gbl_ed_decode},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(uart_serial_bus.parity), "Parity",
+ acpi_gbl_pt_decode},
+ {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(uart_serial_bus.lines_enabled),
+ "LinesEnabled", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(uart_serial_bus.rx_fifo_size),
+ "RxFifoSize", NULL},
+ {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(uart_serial_bus.tx_fifo_size),
+ "TxFifoSize", NULL},
+ {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(uart_serial_bus.default_baud_rate),
+ "ConnectionSpeed", NULL},
+};
+
+/*
+ * Tables used for common address descriptor flag fields
+ */
+struct acpi_rsdump_info acpi_rs_dump_general_flags[5] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_general_flags), NULL,
+ NULL},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.producer_consumer),
+ "Consumer/Producer", acpi_gbl_consume_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.decode), "Address Decode",
+ acpi_gbl_dec_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.min_address_fixed),
+ "Min Relocatability", acpi_gbl_min_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.max_address_fixed),
+ "Max Relocatability", acpi_gbl_max_decode}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_memory_flags[5] = {
+ {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory_flags),
+ "Resource Type", (void *)"Memory Range"},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.write_protect),
+ "Write Protect", acpi_gbl_rw_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.caching),
+ "Caching", acpi_gbl_mem_decode},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.range_type),
+ "Range Type", acpi_gbl_mtp_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.translation),
+ "Translation", acpi_gbl_ttp_decode}
+};
+
+struct acpi_rsdump_info acpi_rs_dump_io_flags[4] = {
+ {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io_flags),
+ "Resource Type", (void *)"I/O Range"},
+ {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.io.range_type),
+ "Range Type", acpi_gbl_rng_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation),
+ "Translation", acpi_gbl_ttp_decode},
+ {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation_type),
+ "Translation Type", acpi_gbl_trs_decode}
+};
+
+/*
+ * Table used to dump _PRT contents
+ */
+struct acpi_rsdump_info acpi_rs_dump_prt[5] = {
+ {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_prt), NULL, NULL},
+ {ACPI_RSD_UINT64, ACPI_PRT_OFFSET(address), "Address", NULL},
+ {ACPI_RSD_UINT32, ACPI_PRT_OFFSET(pin), "Pin", NULL},
+ {ACPI_RSD_STRING, ACPI_PRT_OFFSET(source[0]), "Source", NULL},
+ {ACPI_RSD_UINT32, ACPI_PRT_OFFSET(source_index), "Source Index", NULL}
+};
+
+#endif
diff --git a/drivers/acpi/acpica/rsinfo.c b/drivers/acpi/acpica/rsinfo.c
index a9fa5158200..41fed78e0de 100644
--- a/drivers/acpi/acpica/rsinfo.c
+++ b/drivers/acpi/acpica/rsinfo.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsio.c b/drivers/acpi/acpica/rsio.c
index f6a081057a2..ca183755a6f 100644
--- a/drivers/acpi/acpica/rsio.c
+++ b/drivers/acpi/acpica/rsio.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/rsirq.c b/drivers/acpi/acpica/rsirq.c
index e23a9ec248c..364decc1028 100644
--- a/drivers/acpi/acpica/rsirq.c
+++ b/drivers/acpi/acpica/rsirq.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@ ACPI_MODULE_NAME("rsirq")
* acpi_rs_get_irq
*
******************************************************************************/
-struct acpi_rsconvert_info acpi_rs_get_irq[8] = {
+struct acpi_rsconvert_info acpi_rs_get_irq[9] = {
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_IRQ,
ACPI_RS_SIZE(struct acpi_resource_irq),
ACPI_RSC_TABLE_SIZE(acpi_rs_get_irq)},
@@ -80,7 +80,7 @@ struct acpi_rsconvert_info acpi_rs_get_irq[8] = {
{ACPI_RSC_EXIT_NE, ACPI_RSC_COMPARE_AML_LENGTH, 0, 3},
- /* Get flags: Triggering[0], Polarity[3], Sharing[4] */
+ /* Get flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
AML_OFFSET(irq.flags),
@@ -92,7 +92,11 @@ struct acpi_rsconvert_info acpi_rs_get_irq[8] = {
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.sharable),
AML_OFFSET(irq.flags),
- 4}
+ 4},
+
+ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable),
+ AML_OFFSET(irq.flags),
+ 5}
};
/*******************************************************************************
@@ -101,7 +105,7 @@ struct acpi_rsconvert_info acpi_rs_get_irq[8] = {
*
******************************************************************************/
-struct acpi_rsconvert_info acpi_rs_set_irq[13] = {
+struct acpi_rsconvert_info acpi_rs_set_irq[14] = {
/* Start with a default descriptor of length 3 */
{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_IRQ,
@@ -114,7 +118,7 @@ struct acpi_rsconvert_info acpi_rs_set_irq[13] = {
AML_OFFSET(irq.irq_mask),
ACPI_RS_OFFSET(data.irq.interrupt_count)},
- /* Set the flags byte */
+ /* Set flags: Triggering[0], Polarity[3], Sharing[4], Wake[5] */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.triggering),
AML_OFFSET(irq.flags),
@@ -128,6 +132,10 @@ struct acpi_rsconvert_info acpi_rs_set_irq[13] = {
AML_OFFSET(irq.flags),
4},
+ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.irq.wake_capable),
+ AML_OFFSET(irq.flags),
+ 5},
+
/*
* All done if the output descriptor length is required to be 3
* (i.e., optimization to 2 bytes cannot be attempted)
@@ -181,7 +189,7 @@ struct acpi_rsconvert_info acpi_rs_set_irq[13] = {
*
******************************************************************************/
-struct acpi_rsconvert_info acpi_rs_convert_ext_irq[9] = {
+struct acpi_rsconvert_info acpi_rs_convert_ext_irq[10] = {
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_EXTENDED_IRQ,
ACPI_RS_SIZE(struct acpi_resource_extended_irq),
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_ext_irq)},
@@ -190,8 +198,10 @@ struct acpi_rsconvert_info acpi_rs_convert_ext_irq[9] = {
sizeof(struct aml_resource_extended_irq),
0},
- /* Flag bits */
-
+ /*
+ * Flags: Producer/Consumer[0], Triggering[1], Polarity[2],
+ * Sharing[3], Wake[4]
+ */
{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.producer_consumer),
AML_OFFSET(extended_irq.flags),
0},
@@ -208,19 +218,21 @@ struct acpi_rsconvert_info acpi_rs_convert_ext_irq[9] = {
AML_OFFSET(extended_irq.flags),
3},
+ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.extended_irq.wake_capable),
+ AML_OFFSET(extended_irq.flags),
+ 4},
+
/* IRQ Table length (Byte4) */
{ACPI_RSC_COUNT, ACPI_RS_OFFSET(data.extended_irq.interrupt_count),
AML_OFFSET(extended_irq.interrupt_count),
- sizeof(u32)}
- ,
+ sizeof(u32)},
/* Copy every IRQ in the table, each is 32 bits */
{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.extended_irq.interrupts[0]),
AML_OFFSET(extended_irq.interrupts[0]),
- 0}
- ,
+ 0},
/* Optional resource_source (Index and String) */
@@ -285,7 +297,6 @@ struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[4] = {
* request_lines
* Channels
*/
-
{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_dma.request_lines),
AML_OFFSET(fixed_dma.request_lines),
2},
@@ -293,5 +304,4 @@ struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[4] = {
{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_dma.width),
AML_OFFSET(fixed_dma.width),
1},
-
};
diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c
index 8b64db9a3fd..ee2e206fc6c 100644
--- a/drivers/acpi/acpica/rslist.c
+++ b/drivers/acpi/acpica/rslist.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -217,9 +217,10 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
/* Perform final sanity check on the new AML resource descriptor */
- status =
- acpi_ut_validate_resource(ACPI_CAST_PTR
- (union aml_resource, aml), NULL);
+ status = acpi_ut_validate_resource(NULL,
+ ACPI_CAST_PTR(union
+ aml_resource,
+ aml), NULL);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/rsmemory.c b/drivers/acpi/acpica/rsmemory.c
index 4fd611ad02b..ebc773a1b35 100644
--- a/drivers/acpi/acpica/rsmemory.c
+++ b/drivers/acpi/acpica/rsmemory.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -156,8 +156,7 @@ struct acpi_rsconvert_info acpi_rs_get_vendor_small[3] = {
{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
0,
- sizeof(u8)}
- ,
+ sizeof(u8)},
/* Vendor data */
@@ -181,8 +180,7 @@ struct acpi_rsconvert_info acpi_rs_get_vendor_large[3] = {
{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
0,
- sizeof(u8)}
- ,
+ sizeof(u8)},
/* Vendor data */
diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c
index c6f291c2bc8..d5bf05a9609 100644
--- a/drivers/acpi/acpica/rsmisc.c
+++ b/drivers/acpi/acpica/rsmisc.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -136,30 +136,30 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
/*
* Mask and shift the flag bit
*/
- ACPI_SET8(destination) = (u8)
- ((ACPI_GET8(source) >> info->value) & 0x01);
+ ACPI_SET8(destination,
+ ((ACPI_GET8(source) >> info->value) & 0x01));
break;
case ACPI_RSC_2BITFLAG:
/*
* Mask and shift the flag bits
*/
- ACPI_SET8(destination) = (u8)
- ((ACPI_GET8(source) >> info->value) & 0x03);
+ ACPI_SET8(destination,
+ ((ACPI_GET8(source) >> info->value) & 0x03));
break;
case ACPI_RSC_3BITFLAG:
/*
* Mask and shift the flag bits
*/
- ACPI_SET8(destination) = (u8)
- ((ACPI_GET8(source) >> info->value) & 0x07);
+ ACPI_SET8(destination,
+ ((ACPI_GET8(source) >> info->value) & 0x07));
break;
case ACPI_RSC_COUNT:
item_count = ACPI_GET8(source);
- ACPI_SET8(destination) = (u8) item_count;
+ ACPI_SET8(destination, item_count);
resource->length = resource->length +
(info->value * (item_count - 1));
@@ -168,7 +168,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
case ACPI_RSC_COUNT16:
item_count = aml_resource_length;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
resource->length = resource->length +
(info->value * (item_count - 1));
@@ -181,13 +181,13 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
resource->length = resource->length + item_count;
item_count = item_count / 2;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
break;
case ACPI_RSC_COUNT_GPIO_VEN:
item_count = ACPI_GET8(source);
- ACPI_SET8(destination) = (u8)item_count;
+ ACPI_SET8(destination, item_count);
resource->length = resource->length +
(info->value * item_count);
@@ -216,7 +216,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
}
resource->length = resource->length + item_count;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
break;
case ACPI_RSC_COUNT_SERIAL_VEN:
@@ -224,7 +224,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
item_count = ACPI_GET16(source) - info->value;
resource->length = resource->length + item_count;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
break;
case ACPI_RSC_COUNT_SERIAL_RES:
@@ -234,7 +234,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
- ACPI_GET16(source) - info->value;
resource->length = resource->length + item_count;
- ACPI_SET16(destination) = item_count;
+ ACPI_SET16(destination, item_count);
break;
case ACPI_RSC_LENGTH:
@@ -385,7 +385,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
}
target = ACPI_ADD_PTR(char, resource, info->value);
- ACPI_SET8(target) = (u8) item_count;
+ ACPI_SET8(target, item_count);
break;
case ACPI_RSC_BITMASK16:
@@ -401,7 +401,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
}
target = ACPI_ADD_PTR(char, resource, info->value);
- ACPI_SET8(target) = (u8) item_count;
+ ACPI_SET8(target, item_count);
break;
case ACPI_RSC_EXIT_NE:
@@ -514,37 +514,40 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/*
* Clear the flag byte
*/
- ACPI_SET8(destination) = 0;
+ ACPI_SET8(destination, 0);
break;
case ACPI_RSC_1BITFLAG:
/*
* Mask and shift the flag bit
*/
- ACPI_SET8(destination) |= (u8)
- ((ACPI_GET8(source) & 0x01) << info->value);
+ ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
+ ((ACPI_GET8(source) & 0x01) << info->
+ value));
break;
case ACPI_RSC_2BITFLAG:
/*
* Mask and shift the flag bits
*/
- ACPI_SET8(destination) |= (u8)
- ((ACPI_GET8(source) & 0x03) << info->value);
+ ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
+ ((ACPI_GET8(source) & 0x03) << info->
+ value));
break;
case ACPI_RSC_3BITFLAG:
/*
* Mask and shift the flag bits
*/
- ACPI_SET8(destination) |= (u8)
- ((ACPI_GET8(source) & 0x07) << info->value);
+ ACPI_SET_BIT(*ACPI_CAST8(destination), (u8)
+ ((ACPI_GET8(source) & 0x07) << info->
+ value));
break;
case ACPI_RSC_COUNT:
item_count = ACPI_GET8(source);
- ACPI_SET8(destination) = (u8) item_count;
+ ACPI_SET8(destination, item_count);
aml_length =
(u16) (aml_length +
@@ -561,18 +564,18 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
case ACPI_RSC_COUNT_GPIO_PIN:
item_count = ACPI_GET16(source);
- ACPI_SET16(destination) = (u16)aml_length;
+ ACPI_SET16(destination, aml_length);
aml_length = (u16)(aml_length + item_count * 2);
target = ACPI_ADD_PTR(void, aml, info->value);
- ACPI_SET16(target) = (u16)aml_length;
+ ACPI_SET16(target, aml_length);
acpi_rs_set_resource_length(aml_length, aml);
break;
case ACPI_RSC_COUNT_GPIO_VEN:
item_count = ACPI_GET16(source);
- ACPI_SET16(destination) = (u16)item_count;
+ ACPI_SET16(destination, item_count);
aml_length =
(u16)(aml_length + (info->value * item_count));
@@ -584,7 +587,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/* Set resource source string length */
item_count = ACPI_GET16(source);
- ACPI_SET16(destination) = (u16)aml_length;
+ ACPI_SET16(destination, aml_length);
/* Compute offset for the Vendor Data */
@@ -594,7 +597,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/* Set vendor offset only if there is vendor data */
if (resource->data.gpio.vendor_length) {
- ACPI_SET16(target) = (u16)aml_length;
+ ACPI_SET16(target, aml_length);
}
acpi_rs_set_resource_length(aml_length, aml);
@@ -603,7 +606,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
case ACPI_RSC_COUNT_SERIAL_VEN:
item_count = ACPI_GET16(source);
- ACPI_SET16(destination) = item_count + info->value;
+ ACPI_SET16(destination, item_count + info->value);
aml_length = (u16)(aml_length + item_count);
acpi_rs_set_resource_length(aml_length, aml);
break;
@@ -686,7 +689,8 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
* Optional resource_source (Index and String)
*/
aml_length =
- acpi_rs_set_resource_source(aml, (acpi_rs_length)
+ acpi_rs_set_resource_source(aml,
+ (acpi_rs_length)
aml_length, source);
acpi_rs_set_resource_length(aml_length, aml);
break;
@@ -706,10 +710,12 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
/*
* 8-bit encoded bitmask (DMA macro)
*/
- ACPI_SET8(destination) = (u8)
- acpi_rs_encode_bitmask(source,
- *ACPI_ADD_PTR(u8, resource,
- info->value));
+ ACPI_SET8(destination,
+ acpi_rs_encode_bitmask(source,
+ *ACPI_ADD_PTR(u8,
+ resource,
+ info->
+ value)));
break;
case ACPI_RSC_BITMASK16:
diff --git a/drivers/acpi/acpica/rsserial.c b/drivers/acpi/acpica/rsserial.c
index 9aa5e689b44..fe49fc43e10 100644
--- a/drivers/acpi/acpica/rsserial.c
+++ b/drivers/acpi/acpica/rsserial.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@ ACPI_MODULE_NAME("rsserial")
* acpi_rs_convert_gpio
*
******************************************************************************/
-struct acpi_rsconvert_info acpi_rs_convert_gpio[17] = {
+struct acpi_rsconvert_info acpi_rs_convert_gpio[18] = {
{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GPIO,
ACPI_RS_SIZE(struct acpi_resource_gpio),
ACPI_RSC_TABLE_SIZE(acpi_rs_convert_gpio)},
@@ -75,10 +75,14 @@ struct acpi_rsconvert_info acpi_rs_convert_gpio[17] = {
AML_OFFSET(gpio.flags),
0},
- {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.sharable),
+ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.sharable),
AML_OFFSET(gpio.int_flags),
3},
+ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.wake_capable),
+ AML_OFFSET(gpio.int_flags),
+ 4},
+
{ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.io_restriction),
AML_OFFSET(gpio.int_flags),
0},
diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c
index 37d5241c0ac..a44953c6f75 100644
--- a/drivers/acpi/acpica/rsutils.c
+++ b/drivers/acpi/acpica/rsutils.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -108,7 +108,7 @@ u16 acpi_rs_encode_bitmask(u8 * list, u8 count)
mask |= (0x1 << list[i]);
}
- return mask;
+ return (mask);
}
/*******************************************************************************
@@ -358,8 +358,10 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
*
* Zero the entire area of the buffer.
*/
- total_length = (u32)
- ACPI_STRLEN(ACPI_CAST_PTR(char, &aml_resource_source[1])) + 1;
+ total_length =
+ (u32)
+ ACPI_STRLEN(ACPI_CAST_PTR(char, &aml_resource_source[1])) +
+ 1;
total_length = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(total_length);
ACPI_MEMSET(resource_source->string_ptr, 0, total_length);
@@ -675,7 +677,9 @@ acpi_rs_get_method_data(acpi_handle handle,
/* Execute the method, no parameters */
status =
- acpi_ut_evaluate_object(handle, path, ACPI_BTYPE_BUFFER, &obj_desc);
+ acpi_ut_evaluate_object(ACPI_CAST_PTR
+ (struct acpi_namespace_node, handle), path,
+ ACPI_BTYPE_BUFFER, &obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c
index 5aad744b5b8..15d6eaef0e2 100644
--- a/drivers/acpi/acpica/rsxface.c
+++ b/drivers/acpi/acpica/rsxface.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -423,7 +423,7 @@ ACPI_EXPORT_SYMBOL(acpi_resource_to_address64)
*
* RETURN: Status
*
- * DESCRIPTION: Walk a resource template for the specified evice to find a
+ * DESCRIPTION: Walk a resource template for the specified device to find a
* vendor-defined resource that matches the supplied UUID and
* UUID subtype. Returns a struct acpi_resource of type Vendor.
*
@@ -522,57 +522,42 @@ acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
/*******************************************************************************
*
- * FUNCTION: acpi_walk_resources
+ * FUNCTION: acpi_walk_resource_buffer
*
- * PARAMETERS: device_handle - Handle to the device object for the
- * device we are querying
- * name - Method name of the resources we want.
- * (METHOD_NAME__CRS, METHOD_NAME__PRS, or
- * METHOD_NAME__AEI)
+ * PARAMETERS: buffer - Formatted buffer returned by one of the
+ * various Get*Resource functions
* user_function - Called for each resource
* context - Passed to user_function
*
* RETURN: Status
*
- * DESCRIPTION: Retrieves the current or possible resource list for the
- * specified device. The user_function is called once for
- * each resource in the list.
+ * DESCRIPTION: Walks the input resource template. The user_function is called
+ * once for each resource in the list.
*
******************************************************************************/
+
acpi_status
-acpi_walk_resources(acpi_handle device_handle,
- char *name,
- acpi_walk_resource_callback user_function, void *context)
+acpi_walk_resource_buffer(struct acpi_buffer * buffer,
+ acpi_walk_resource_callback user_function,
+ void *context)
{
- acpi_status status;
- struct acpi_buffer buffer;
+ acpi_status status = AE_OK;
struct acpi_resource *resource;
struct acpi_resource *resource_end;
- ACPI_FUNCTION_TRACE(acpi_walk_resources);
+ ACPI_FUNCTION_TRACE(acpi_walk_resource_buffer);
/* Parameter validation */
- if (!device_handle || !user_function || !name ||
- (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) &&
- !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS) &&
- !ACPI_COMPARE_NAME(name, METHOD_NAME__AEI))) {
+ if (!buffer || !buffer->pointer || !user_function) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- /* Get the _CRS/_PRS/_AEI resource list */
-
- buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
- status = acpi_rs_get_method_data(device_handle, name, &buffer);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /* Buffer now contains the resource list */
+ /* Buffer contains the resource list and length */
- resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
+ resource = ACPI_CAST_PTR(struct acpi_resource, buffer->pointer);
resource_end =
- ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
+ ACPI_ADD_PTR(struct acpi_resource, buffer->pointer, buffer->length);
/* Walk the resource list until the end_tag is found (or buffer end) */
@@ -606,11 +591,63 @@ acpi_walk_resources(acpi_handle device_handle,
/* Get the next resource descriptor */
- resource =
- ACPI_ADD_PTR(struct acpi_resource, resource,
- resource->length);
+ resource = ACPI_NEXT_RESOURCE(resource);
}
+ return_ACPI_STATUS(status);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_walk_resource_buffer)
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_walk_resources
+ *
+ * PARAMETERS: device_handle - Handle to the device object for the
+ * device we are querying
+ * name - Method name of the resources we want.
+ * (METHOD_NAME__CRS, METHOD_NAME__PRS, or
+ * METHOD_NAME__AEI)
+ * user_function - Called for each resource
+ * context - Passed to user_function
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Retrieves the current or possible resource list for the
+ * specified device. The user_function is called once for
+ * each resource in the list.
+ *
+ ******************************************************************************/
+acpi_status
+acpi_walk_resources(acpi_handle device_handle,
+ char *name,
+ acpi_walk_resource_callback user_function, void *context)
+{
+ acpi_status status;
+ struct acpi_buffer buffer;
+
+ ACPI_FUNCTION_TRACE(acpi_walk_resources);
+
+ /* Parameter validation */
+
+ if (!device_handle || !user_function || !name ||
+ (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) &&
+ !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS) &&
+ !ACPI_COMPARE_NAME(name, METHOD_NAME__AEI))) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ /* Get the _CRS/_PRS/_AEI resource list */
+
+ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+ status = acpi_rs_get_method_data(device_handle, name, &buffer);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /* Walk the resource list and cleanup */
+
+ status = acpi_walk_resource_buffer(&buffer, user_function, context);
ACPI_FREE(buffer.pointer);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
index 390651860bf..74181bf181e 100644
--- a/drivers/acpi/acpica/tbfadt.c
+++ b/drivers/acpi/acpica/tbfadt.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -172,6 +172,7 @@ static struct acpi_fadt_pm_info fadt_pm_info_table[] = {
* FUNCTION: acpi_tb_init_generic_address
*
* PARAMETERS: generic_address - GAS struct to be initialized
+ * space_id - ACPI Space ID for this register
* byte_width - Width of this register
* address - Address of the register
*
@@ -407,8 +408,8 @@ static void acpi_tb_convert_fadt(void)
* should be zero are indeed zero. This will workaround BIOSs that
* inadvertently place values in these fields.
*
- * The ACPI 1.0 reserved fields that will be zeroed are the bytes located at
- * offset 45, 55, 95, and the word located at offset 109, 110.
+ * The ACPI 1.0 reserved fields that will be zeroed are the bytes located
+ * at offset 45, 55, 95, and the word located at offset 109, 110.
*
* Note: The FADT revision value is unreliable. Only the length can be
* trusted.
diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c
index 77d1db29a72..e4f4f02d49e 100644
--- a/drivers/acpi/acpica/tbfind.c
+++ b/drivers/acpi/acpica/tbfind.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index f540ae46292..e57cd38004e 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c
index 285e24b9738..ce3d5db39a9 100644
--- a/drivers/acpi/acpica/tbutils.c
+++ b/drivers/acpi/acpica/tbutils.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -147,7 +147,7 @@ acpi_status acpi_tb_initialize_facs(void)
ACPI_CAST_INDIRECT_PTR(struct
acpi_table_header,
&acpi_gbl_FACS));
- return status;
+ return (status);
}
#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c
index f5632780421..b35a5e6d653 100644
--- a/drivers/acpi/acpica/tbxface.c
+++ b/drivers/acpi/acpica/tbxface.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -44,7 +44,6 @@
#include <linux/export.h>
#include <acpi/acpi.h>
#include "accommon.h"
-#include "acnamesp.h"
#include "actables.h"
#define _COMPONENT ACPI_TABLES
@@ -437,7 +436,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table_by_index)
*
******************************************************************************/
acpi_status
-acpi_install_table_handler(acpi_tbl_handler handler, void *context)
+acpi_install_table_handler(acpi_table_handler handler, void *context)
{
acpi_status status;
@@ -483,7 +482,7 @@ ACPI_EXPORT_SYMBOL(acpi_install_table_handler)
* DESCRIPTION: Remove table event handler
*
******************************************************************************/
-acpi_status acpi_remove_table_handler(acpi_tbl_handler handler)
+acpi_status acpi_remove_table_handler(acpi_table_handler handler)
{
acpi_status status;
diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c
index a5e1e4e4709..67e046ec8f0 100644
--- a/drivers/acpi/acpica/tbxfload.c
+++ b/drivers/acpi/acpica/tbxfload.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -192,7 +192,7 @@ static acpi_status acpi_tb_load_namespace(void)
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
}
- ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI Tables successfully acquired\n"));
+ ACPI_INFO((AE_INFO, "All ACPI Tables successfully acquired"));
unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
index 28f330230f9..7c2ecfb7c2c 100644
--- a/drivers/acpi/acpica/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utaddress.c b/drivers/acpi/acpica/utaddress.c
index 64880306133..698b9d38551 100644
--- a/drivers/acpi/acpica/utaddress.c
+++ b/drivers/acpi/acpica/utaddress.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -214,7 +214,7 @@ acpi_ut_check_address_range(acpi_adr_space_type space_id,
if ((space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) &&
(space_id != ACPI_ADR_SPACE_SYSTEM_IO)) {
- return_UINT32(0);
+ return_VALUE(0);
}
range_info = acpi_gbl_address_range_list[space_id];
@@ -256,7 +256,7 @@ acpi_ut_check_address_range(acpi_adr_space_type space_id,
range_info = range_info->next;
}
- return_UINT32(overlap_count);
+ return_VALUE(overlap_count);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/utalloc.c b/drivers/acpi/acpica/utalloc.c
index ed29d474095..e0ffb580f4b 100644
--- a/drivers/acpi/acpica/utalloc.c
+++ b/drivers/acpi/acpica/utalloc.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utcache.c b/drivers/acpi/acpica/utcache.c
index e1d40ed2639..e0e8579deaa 100644
--- a/drivers/acpi/acpica/utcache.c
+++ b/drivers/acpi/acpica/utcache.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c
index 294692ae76e..e4c9291fc0a 100644
--- a/drivers/acpi/acpica/utcopy.c
+++ b/drivers/acpi/acpica/utcopy.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -785,7 +785,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
status = acpi_os_create_mutex(&dest_desc->mutex.os_mutex);
if (ACPI_FAILURE(status)) {
- return status;
+ return (status);
}
break;
@@ -795,7 +795,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
&dest_desc->event.
os_semaphore);
if (ACPI_FAILURE(status)) {
- return status;
+ return (status);
}
break;
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index 5d95166245a..c57d9cc07ba 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -166,11 +166,9 @@ acpi_debug_print(u32 requested_debug_level,
acpi_thread_id thread_id;
va_list args;
- /*
- * Stay silent if the debug level or component ID is disabled
- */
- if (!(requested_debug_level & acpi_dbg_level) ||
- !(component_id & acpi_dbg_layer)) {
+ /* Check if debug output enabled */
+
+ if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
return;
}
@@ -236,8 +234,9 @@ acpi_debug_print_raw(u32 requested_debug_level,
{
va_list args;
- if (!(requested_debug_level & acpi_dbg_level) ||
- !(component_id & acpi_dbg_layer)) {
+ /* Check if debug output enabled */
+
+ if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
return;
}
@@ -272,9 +271,13 @@ acpi_ut_trace(u32 line_number,
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
- acpi_debug_print(ACPI_LV_FUNCTIONS,
- line_number, function_name, module_name, component_id,
- "%s\n", acpi_gbl_fn_entry_str);
+ /* Check if enabled up-front for performance */
+
+ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
+ acpi_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s\n", acpi_gbl_fn_entry_str);
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_trace)
@@ -304,9 +307,14 @@ acpi_ut_trace_ptr(u32 line_number,
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
- acpi_debug_print(ACPI_LV_FUNCTIONS,
- line_number, function_name, module_name, component_id,
- "%s %p\n", acpi_gbl_fn_entry_str, pointer);
+ /* Check if enabled up-front for performance */
+
+ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
+ acpi_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %p\n", acpi_gbl_fn_entry_str,
+ pointer);
+ }
}
/*******************************************************************************
@@ -335,9 +343,14 @@ acpi_ut_trace_str(u32 line_number,
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
- acpi_debug_print(ACPI_LV_FUNCTIONS,
- line_number, function_name, module_name, component_id,
- "%s %s\n", acpi_gbl_fn_entry_str, string);
+ /* Check if enabled up-front for performance */
+
+ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
+ acpi_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %s\n", acpi_gbl_fn_entry_str,
+ string);
+ }
}
/*******************************************************************************
@@ -366,9 +379,14 @@ acpi_ut_trace_u32(u32 line_number,
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
- acpi_debug_print(ACPI_LV_FUNCTIONS,
- line_number, function_name, module_name, component_id,
- "%s %08X\n", acpi_gbl_fn_entry_str, integer);
+ /* Check if enabled up-front for performance */
+
+ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
+ acpi_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %08X\n",
+ acpi_gbl_fn_entry_str, integer);
+ }
}
/*******************************************************************************
@@ -393,9 +411,13 @@ acpi_ut_exit(u32 line_number,
const char *module_name, u32 component_id)
{
- acpi_debug_print(ACPI_LV_FUNCTIONS,
- line_number, function_name, module_name, component_id,
- "%s\n", acpi_gbl_fn_exit_str);
+ /* Check if enabled up-front for performance */
+
+ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
+ acpi_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s\n", acpi_gbl_fn_exit_str);
+ }
acpi_gbl_nesting_level--;
}
@@ -425,17 +447,23 @@ acpi_ut_status_exit(u32 line_number,
u32 component_id, acpi_status status)
{
- if (ACPI_SUCCESS(status)) {
- acpi_debug_print(ACPI_LV_FUNCTIONS,
- line_number, function_name, module_name,
- component_id, "%s %s\n", acpi_gbl_fn_exit_str,
- acpi_format_exception(status));
- } else {
- acpi_debug_print(ACPI_LV_FUNCTIONS,
- line_number, function_name, module_name,
- component_id, "%s ****Exception****: %s\n",
- acpi_gbl_fn_exit_str,
- acpi_format_exception(status));
+ /* Check if enabled up-front for performance */
+
+ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
+ if (ACPI_SUCCESS(status)) {
+ acpi_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name,
+ module_name, component_id, "%s %s\n",
+ acpi_gbl_fn_exit_str,
+ acpi_format_exception(status));
+ } else {
+ acpi_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name,
+ module_name, component_id,
+ "%s ****Exception****: %s\n",
+ acpi_gbl_fn_exit_str,
+ acpi_format_exception(status));
+ }
}
acpi_gbl_nesting_level--;
@@ -465,10 +493,15 @@ acpi_ut_value_exit(u32 line_number,
const char *module_name, u32 component_id, u64 value)
{
- acpi_debug_print(ACPI_LV_FUNCTIONS,
- line_number, function_name, module_name, component_id,
- "%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
- ACPI_FORMAT_UINT64(value));
+ /* Check if enabled up-front for performance */
+
+ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
+ acpi_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %8.8X%8.8X\n",
+ acpi_gbl_fn_exit_str,
+ ACPI_FORMAT_UINT64(value));
+ }
acpi_gbl_nesting_level--;
}
@@ -497,9 +530,14 @@ acpi_ut_ptr_exit(u32 line_number,
const char *module_name, u32 component_id, u8 *ptr)
{
- acpi_debug_print(ACPI_LV_FUNCTIONS,
- line_number, function_name, module_name, component_id,
- "%s %p\n", acpi_gbl_fn_exit_str, ptr);
+ /* Check if enabled up-front for performance */
+
+ if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
+ acpi_debug_print(ACPI_LV_FUNCTIONS,
+ line_number, function_name, module_name,
+ component_id, "%s %p\n", acpi_gbl_fn_exit_str,
+ ptr);
+ }
acpi_gbl_nesting_level--;
}
diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c
index 60a158472d8..11e2e02e161 100644
--- a/drivers/acpi/acpica/utdecode.c
+++ b/drivers/acpi/acpica/utdecode.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index 798105443d0..2541de42024 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -340,7 +340,7 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
{
union acpi_operand_object **internal_obj;
- ACPI_FUNCTION_TRACE(ut_delete_internal_object_list);
+ ACPI_FUNCTION_ENTRY();
/* Walk the null-terminated internal list */
@@ -351,7 +351,7 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
/* Free the combined parameter pointer list and object array */
ACPI_FREE(obj_list);
- return_VOID;
+ return;
}
/*******************************************************************************
@@ -484,7 +484,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
union acpi_generic_state *state;
u32 i;
- ACPI_FUNCTION_TRACE_PTR(ut_update_object_reference, object);
+ ACPI_FUNCTION_NAME(ut_update_object_reference);
while (object) {
@@ -493,7 +493,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
if (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) {
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
"Object %p is NS handle\n", object));
- return_ACPI_STATUS(AE_OK);
+ return (AE_OK);
}
/*
@@ -530,18 +530,42 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
*/
for (i = 0; i < object->package.count; i++) {
/*
- * Push each element onto the stack for later processing.
- * Note: There can be null elements within the package,
- * these are simply ignored
+ * Null package elements are legal and can be simply
+ * ignored.
*/
- status =
- acpi_ut_create_update_state_and_push
- (object->package.elements[i], action,
- &state_list);
- if (ACPI_FAILURE(status)) {
- goto error_exit;
+ next_object = object->package.elements[i];
+ if (!next_object) {
+ continue;
+ }
+
+ switch (next_object->common.type) {
+ case ACPI_TYPE_INTEGER:
+ case ACPI_TYPE_STRING:
+ case ACPI_TYPE_BUFFER:
+ /*
+ * For these very simple sub-objects, we can just
+ * update the reference count here and continue.
+ * Greatly increases performance of this operation.
+ */
+ acpi_ut_update_ref_count(next_object,
+ action);
+ break;
+
+ default:
+ /*
+ * For complex sub-objects, push them onto the stack
+ * for later processing (this eliminates recursion.)
+ */
+ status =
+ acpi_ut_create_update_state_and_push
+ (next_object, action, &state_list);
+ if (ACPI_FAILURE(status)) {
+ goto error_exit;
+ }
+ break;
}
}
+ next_object = NULL;
break;
case ACPI_TYPE_BUFFER_FIELD:
@@ -619,7 +643,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
}
}
- return_ACPI_STATUS(AE_OK);
+ return (AE_OK);
error_exit:
@@ -633,7 +657,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
acpi_ut_delete_generic_state(state);
}
- return_ACPI_STATUS(status);
+ return (status);
}
/*******************************************************************************
@@ -652,12 +676,12 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
void acpi_ut_add_reference(union acpi_operand_object *object)
{
- ACPI_FUNCTION_TRACE_PTR(ut_add_reference, object);
+ ACPI_FUNCTION_NAME(ut_add_reference);
/* Ensure that we have a valid object */
if (!acpi_ut_valid_internal_object(object)) {
- return_VOID;
+ return;
}
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
@@ -667,7 +691,7 @@ void acpi_ut_add_reference(union acpi_operand_object *object)
/* Increment the reference count */
(void)acpi_ut_update_object_reference(object, REF_INCREMENT);
- return_VOID;
+ return;
}
/*******************************************************************************
@@ -685,7 +709,7 @@ void acpi_ut_add_reference(union acpi_operand_object *object)
void acpi_ut_remove_reference(union acpi_operand_object *object)
{
- ACPI_FUNCTION_TRACE_PTR(ut_remove_reference, object);
+ ACPI_FUNCTION_NAME(ut_remove_reference);
/*
* Allow a NULL pointer to be passed in, just ignore it. This saves
@@ -694,13 +718,13 @@ void acpi_ut_remove_reference(union acpi_operand_object *object)
*/
if (!object ||
(ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED)) {
- return_VOID;
+ return;
}
/* Ensure that we have a valid object */
if (!acpi_ut_valid_internal_object(object)) {
- return_VOID;
+ return;
}
ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
@@ -713,5 +737,5 @@ void acpi_ut_remove_reference(union acpi_operand_object *object)
* of all subobjects!)
*/
(void)acpi_ut_update_object_reference(object, REF_DECREMENT);
- return_VOID;
+ return;
}
diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c
index a9c65fbea5f..c3f3a7e7bdc 100644
--- a/drivers/acpi/acpica/uteval.c
+++ b/drivers/acpi/acpica/uteval.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -68,7 +68,7 @@ ACPI_MODULE_NAME("uteval")
******************************************************************************/
acpi_status
-acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
+acpi_ut_evaluate_object(struct acpi_namespace_node * prefix_node,
char *path,
u32 expected_return_btypes,
union acpi_operand_object **return_desc)
diff --git a/drivers/acpi/acpica/utexcep.c b/drivers/acpi/acpica/utexcep.c
index 23b98945f6b..a0ab7c02e87 100644
--- a/drivers/acpi/acpica/utexcep.c
+++ b/drivers/acpi/acpica/utexcep.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c
index ed1893155f8..ffecf4b4f0d 100644
--- a/drivers/acpi/acpica/utglobal.c
+++ b/drivers/acpi/acpica/utglobal.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -293,11 +293,11 @@ acpi_status acpi_ut_init_globals(void)
/* GPE support */
+ acpi_gbl_all_gpes_initialized = FALSE;
acpi_gbl_gpe_xrupt_list_head = NULL;
acpi_gbl_gpe_fadt_blocks[0] = NULL;
acpi_gbl_gpe_fadt_blocks[1] = NULL;
acpi_current_gpe_count = 0;
- acpi_gbl_all_gpes_initialized = FALSE;
acpi_gbl_global_event_handler = NULL;
@@ -357,17 +357,24 @@ acpi_status acpi_ut_init_globals(void)
acpi_gbl_root_node_struct.peer = NULL;
acpi_gbl_root_node_struct.object = NULL;
+#ifdef ACPI_DISASSEMBLER
+ acpi_gbl_external_list = NULL;
+#endif
+
#ifdef ACPI_DEBUG_OUTPUT
acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
#endif
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
acpi_gbl_display_final_mem_stats = FALSE;
+ acpi_gbl_disable_mem_tracking = FALSE;
#endif
return_ACPI_STATUS(AE_OK);
}
+/* Public globals */
+
ACPI_EXPORT_SYMBOL(acpi_gbl_FADT)
ACPI_EXPORT_SYMBOL(acpi_dbg_level)
ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c
index 774c3aefbf5..43a170a74a6 100644
--- a/drivers/acpi/acpica/utids.c
+++ b/drivers/acpi/acpica/utids.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c
index 246798e4c93..c5d1ac44c07 100644
--- a/drivers/acpi/acpica/utinit.c
+++ b/drivers/acpi/acpica/utinit.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utlock.c b/drivers/acpi/acpica/utlock.c
index b1eb7f17e11..5c26ad42034 100644
--- a/drivers/acpi/acpica/utlock.c
+++ b/drivers/acpi/acpica/utlock.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -66,11 +66,11 @@ acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock)
lock->num_readers = 0;
status = acpi_os_create_mutex(&lock->reader_mutex);
if (ACPI_FAILURE(status)) {
- return status;
+ return (status);
}
status = acpi_os_create_mutex(&lock->writer_mutex);
- return status;
+ return (status);
}
void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock)
@@ -108,7 +108,7 @@ acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock)
status = acpi_os_acquire_mutex(lock->reader_mutex, ACPI_WAIT_FOREVER);
if (ACPI_FAILURE(status)) {
- return status;
+ return (status);
}
/* Acquire the write lock only for the first reader */
@@ -121,7 +121,7 @@ acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock)
}
acpi_os_release_mutex(lock->reader_mutex);
- return status;
+ return (status);
}
acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock)
@@ -130,7 +130,7 @@ acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock)
status = acpi_os_acquire_mutex(lock->reader_mutex, ACPI_WAIT_FOREVER);
if (ACPI_FAILURE(status)) {
- return status;
+ return (status);
}
/* Release the write lock only for the very last reader */
@@ -141,7 +141,7 @@ acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock)
}
acpi_os_release_mutex(lock->reader_mutex);
- return status;
+ return (status);
}
/*******************************************************************************
@@ -165,7 +165,7 @@ acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock)
acpi_status status;
status = acpi_os_acquire_mutex(lock->writer_mutex, ACPI_WAIT_FOREVER);
- return status;
+ return (status);
}
void acpi_ut_release_write_lock(struct acpi_rw_lock *lock)
diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c
index 49563674833..909fe66e193 100644
--- a/drivers/acpi/acpica/utmath.c
+++ b/drivers/acpi/acpica/utmath.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index 9286a69eb9a..785fdd07ae5 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -48,36 +48,6 @@
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utmisc")
-#if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
-/*******************************************************************************
- *
- * FUNCTION: ut_convert_backslashes
- *
- * PARAMETERS: pathname - File pathname string to be converted
- *
- * RETURN: Modifies the input Pathname
- *
- * DESCRIPTION: Convert all backslashes (0x5C) to forward slashes (0x2F) within
- * the entire input file pathname string.
- *
- ******************************************************************************/
-void ut_convert_backslashes(char *pathname)
-{
-
- if (!pathname) {
- return;
- }
-
- while (*pathname) {
- if (*pathname == '\\') {
- *pathname = '/';
- }
-
- pathname++;
- }
-}
-#endif
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_is_pci_root_bridge
@@ -89,7 +59,6 @@ void ut_convert_backslashes(char *pathname)
* DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID.
*
******************************************************************************/
-
u8 acpi_ut_is_pci_root_bridge(char *id)
{
@@ -136,362 +105,6 @@ u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
/*******************************************************************************
*
- * FUNCTION: acpi_ut_allocate_owner_id
- *
- * PARAMETERS: owner_id - Where the new owner ID is returned
- *
- * RETURN: Status
- *
- * DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
- * track objects created by the table or method, to be deleted
- * when the method exits or the table is unloaded.
- *
- ******************************************************************************/
-
-acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
-{
- u32 i;
- u32 j;
- u32 k;
- acpi_status status;
-
- ACPI_FUNCTION_TRACE(ut_allocate_owner_id);
-
- /* Guard against multiple allocations of ID to the same location */
-
- if (*owner_id) {
- ACPI_ERROR((AE_INFO, "Owner ID [0x%2.2X] already exists",
- *owner_id));
- return_ACPI_STATUS(AE_ALREADY_EXISTS);
- }
-
- /* Mutex for the global ID mask */
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
- /*
- * Find a free owner ID, cycle through all possible IDs on repeated
- * allocations. (ACPI_NUM_OWNERID_MASKS + 1) because first index may have
- * to be scanned twice.
- */
- for (i = 0, j = acpi_gbl_last_owner_id_index;
- i < (ACPI_NUM_OWNERID_MASKS + 1); i++, j++) {
- if (j >= ACPI_NUM_OWNERID_MASKS) {
- j = 0; /* Wraparound to start of mask array */
- }
-
- for (k = acpi_gbl_next_owner_id_offset; k < 32; k++) {
- if (acpi_gbl_owner_id_mask[j] == ACPI_UINT32_MAX) {
-
- /* There are no free IDs in this mask */
-
- break;
- }
-
- if (!(acpi_gbl_owner_id_mask[j] & (1 << k))) {
- /*
- * Found a free ID. The actual ID is the bit index plus one,
- * making zero an invalid Owner ID. Save this as the last ID
- * allocated and update the global ID mask.
- */
- acpi_gbl_owner_id_mask[j] |= (1 << k);
-
- acpi_gbl_last_owner_id_index = (u8)j;
- acpi_gbl_next_owner_id_offset = (u8)(k + 1);
-
- /*
- * Construct encoded ID from the index and bit position
- *
- * Note: Last [j].k (bit 255) is never used and is marked
- * permanently allocated (prevents +1 overflow)
- */
- *owner_id =
- (acpi_owner_id) ((k + 1) + ACPI_MUL_32(j));
-
- ACPI_DEBUG_PRINT((ACPI_DB_VALUES,
- "Allocated OwnerId: %2.2X\n",
- (unsigned int)*owner_id));
- goto exit;
- }
- }
-
- acpi_gbl_next_owner_id_offset = 0;
- }
-
- /*
- * All owner_ids have been allocated. This typically should
- * not happen since the IDs are reused after deallocation. The IDs are
- * allocated upon table load (one per table) and method execution, and
- * they are released when a table is unloaded or a method completes
- * execution.
- *
- * If this error happens, there may be very deep nesting of invoked control
- * methods, or there may be a bug where the IDs are not released.
- */
- status = AE_OWNER_ID_LIMIT;
- ACPI_ERROR((AE_INFO,
- "Could not allocate new OwnerId (255 max), AE_OWNER_ID_LIMIT"));
-
- exit:
- (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
- return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_release_owner_id
- *
- * PARAMETERS: owner_id_ptr - Pointer to a previously allocated owner_ID
- *
- * RETURN: None. No error is returned because we are either exiting a
- * control method or unloading a table. Either way, we would
- * ignore any error anyway.
- *
- * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 255
- *
- ******************************************************************************/
-
-void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
-{
- acpi_owner_id owner_id = *owner_id_ptr;
- acpi_status status;
- u32 index;
- u32 bit;
-
- ACPI_FUNCTION_TRACE_U32(ut_release_owner_id, owner_id);
-
- /* Always clear the input owner_id (zero is an invalid ID) */
-
- *owner_id_ptr = 0;
-
- /* Zero is not a valid owner_ID */
-
- if (owner_id == 0) {
- ACPI_ERROR((AE_INFO, "Invalid OwnerId: 0x%2.2X", owner_id));
- return_VOID;
- }
-
- /* Mutex for the global ID mask */
-
- status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
- if (ACPI_FAILURE(status)) {
- return_VOID;
- }
-
- /* Normalize the ID to zero */
-
- owner_id--;
-
- /* Decode ID to index/offset pair */
-
- index = ACPI_DIV_32(owner_id);
- bit = 1 << ACPI_MOD_32(owner_id);
-
- /* Free the owner ID only if it is valid */
-
- if (acpi_gbl_owner_id_mask[index] & bit) {
- acpi_gbl_owner_id_mask[index] ^= bit;
- } else {
- ACPI_ERROR((AE_INFO,
- "Release of non-allocated OwnerId: 0x%2.2X",
- owner_id + 1));
- }
-
- (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
- return_VOID;
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_strupr (strupr)
- *
- * PARAMETERS: src_string - The source string to convert
- *
- * RETURN: None
- *
- * DESCRIPTION: Convert string to uppercase
- *
- * NOTE: This is not a POSIX function, so it appears here, not in utclib.c
- *
- ******************************************************************************/
-
-void acpi_ut_strupr(char *src_string)
-{
- char *string;
-
- ACPI_FUNCTION_ENTRY();
-
- if (!src_string) {
- return;
- }
-
- /* Walk entire string, uppercasing the letters */
-
- for (string = src_string; *string; string++) {
- *string = (char)ACPI_TOUPPER(*string);
- }
-
- return;
-}
-
-#ifdef ACPI_ASL_COMPILER
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_strlwr (strlwr)
- *
- * PARAMETERS: src_string - The source string to convert
- *
- * RETURN: None
- *
- * DESCRIPTION: Convert string to lowercase
- *
- * NOTE: This is not a POSIX function, so it appears here, not in utclib.c
- *
- ******************************************************************************/
-
-void acpi_ut_strlwr(char *src_string)
-{
- char *string;
-
- ACPI_FUNCTION_ENTRY();
-
- if (!src_string) {
- return;
- }
-
- /* Walk entire string, lowercasing the letters */
-
- for (string = src_string; *string; string++) {
- *string = (char)ACPI_TOLOWER(*string);
- }
-
- return;
-}
-
-/******************************************************************************
- *
- * FUNCTION: acpi_ut_stricmp
- *
- * PARAMETERS: string1 - first string to compare
- * string2 - second string to compare
- *
- * RETURN: int that signifies string relationship. Zero means strings
- * are equal.
- *
- * DESCRIPTION: Implementation of the non-ANSI stricmp function (compare
- * strings with no case sensitivity)
- *
- ******************************************************************************/
-
-int acpi_ut_stricmp(char *string1, char *string2)
-{
- int c1;
- int c2;
-
- do {
- c1 = tolower((int)*string1);
- c2 = tolower((int)*string2);
-
- string1++;
- string2++;
- }
- while ((c1 == c2) && (c1));
-
- return (c1 - c2);
-}
-#endif
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_print_string
- *
- * PARAMETERS: string - Null terminated ASCII string
- * max_length - Maximum output length
- *
- * RETURN: None
- *
- * DESCRIPTION: Dump an ASCII string with support for ACPI-defined escape
- * sequences.
- *
- ******************************************************************************/
-
-void acpi_ut_print_string(char *string, u8 max_length)
-{
- u32 i;
-
- if (!string) {
- acpi_os_printf("<\"NULL STRING PTR\">");
- return;
- }
-
- acpi_os_printf("\"");
- for (i = 0; string[i] && (i < max_length); i++) {
-
- /* Escape sequences */
-
- switch (string[i]) {
- case 0x07:
- acpi_os_printf("\\a"); /* BELL */
- break;
-
- case 0x08:
- acpi_os_printf("\\b"); /* BACKSPACE */
- break;
-
- case 0x0C:
- acpi_os_printf("\\f"); /* FORMFEED */
- break;
-
- case 0x0A:
- acpi_os_printf("\\n"); /* LINEFEED */
- break;
-
- case 0x0D:
- acpi_os_printf("\\r"); /* CARRIAGE RETURN */
- break;
-
- case 0x09:
- acpi_os_printf("\\t"); /* HORIZONTAL TAB */
- break;
-
- case 0x0B:
- acpi_os_printf("\\v"); /* VERTICAL TAB */
- break;
-
- case '\'': /* Single Quote */
- case '\"': /* Double Quote */
- case '\\': /* Backslash */
- acpi_os_printf("\\%c", (int)string[i]);
- break;
-
- default:
-
- /* Check for printable character or hex escape */
-
- if (ACPI_IS_PRINT(string[i])) {
- /* This is a normal character */
-
- acpi_os_printf("%c", (int)string[i]);
- } else {
- /* All others will be Hex escapes */
-
- acpi_os_printf("\\x%2.2X", (s32) string[i]);
- }
- break;
- }
- }
- acpi_os_printf("\"");
-
- if (i == max_length && string[i]) {
- acpi_os_printf("...");
- }
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ut_dword_byte_swap
*
* PARAMETERS: value - Value to be converted
@@ -559,379 +172,6 @@ void acpi_ut_set_integer_width(u8 revision)
}
}
-#ifdef ACPI_DEBUG_OUTPUT
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_display_init_pathname
- *
- * PARAMETERS: type - Object type of the node
- * obj_handle - Handle whose pathname will be displayed
- * path - Additional path string to be appended.
- * (NULL if no extra path)
- *
- * RETURN: acpi_status
- *
- * DESCRIPTION: Display full pathname of an object, DEBUG ONLY
- *
- ******************************************************************************/
-
-void
-acpi_ut_display_init_pathname(u8 type,
- struct acpi_namespace_node *obj_handle,
- char *path)
-{
- acpi_status status;
- struct acpi_buffer buffer;
-
- ACPI_FUNCTION_ENTRY();
-
- /* Only print the path if the appropriate debug level is enabled */
-
- if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
- return;
- }
-
- /* Get the full pathname to the node */
-
- buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
- status = acpi_ns_handle_to_pathname(obj_handle, &buffer);
- if (ACPI_FAILURE(status)) {
- return;
- }
-
- /* Print what we're doing */
-
- switch (type) {
- case ACPI_TYPE_METHOD:
- acpi_os_printf("Executing ");
- break;
-
- default:
- acpi_os_printf("Initializing ");
- break;
- }
-
- /* Print the object type and pathname */
-
- acpi_os_printf("%-12s %s",
- acpi_ut_get_type_name(type), (char *)buffer.pointer);
-
- /* Extra path is used to append names like _STA, _INI, etc. */
-
- if (path) {
- acpi_os_printf(".%s", path);
- }
- acpi_os_printf("\n");
-
- ACPI_FREE(buffer.pointer);
-}
-#endif
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_valid_acpi_char
- *
- * PARAMETERS: char - The character to be examined
- * position - Byte position (0-3)
- *
- * RETURN: TRUE if the character is valid, FALSE otherwise
- *
- * DESCRIPTION: Check for a valid ACPI character. Must be one of:
- * 1) Upper case alpha
- * 2) numeric
- * 3) underscore
- *
- * We allow a '!' as the last character because of the ASF! table
- *
- ******************************************************************************/
-
-u8 acpi_ut_valid_acpi_char(char character, u32 position)
-{
-
- if (!((character >= 'A' && character <= 'Z') ||
- (character >= '0' && character <= '9') || (character == '_'))) {
-
- /* Allow a '!' in the last position */
-
- if (character == '!' && position == 3) {
- return (TRUE);
- }
-
- return (FALSE);
- }
-
- return (TRUE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_valid_acpi_name
- *
- * PARAMETERS: name - The name to be examined
- *
- * RETURN: TRUE if the name is valid, FALSE otherwise
- *
- * DESCRIPTION: Check for a valid ACPI name. Each character must be one of:
- * 1) Upper case alpha
- * 2) numeric
- * 3) underscore
- *
- ******************************************************************************/
-
-u8 acpi_ut_valid_acpi_name(u32 name)
-{
- u32 i;
-
- ACPI_FUNCTION_ENTRY();
-
- for (i = 0; i < ACPI_NAME_SIZE; i++) {
- if (!acpi_ut_valid_acpi_char
- ((ACPI_CAST_PTR(char, &name))[i], i)) {
- return (FALSE);
- }
- }
-
- return (TRUE);
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_repair_name
- *
- * PARAMETERS: name - The ACPI name to be repaired
- *
- * RETURN: Repaired version of the name
- *
- * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
- * return the new name. NOTE: the Name parameter must reside in
- * read/write memory, cannot be a const.
- *
- * An ACPI Name must consist of valid ACPI characters. We will repair the name
- * if necessary because we don't want to abort because of this, but we want
- * all namespace names to be printable. A warning message is appropriate.
- *
- * This issue came up because there are in fact machines that exhibit
- * this problem, and we want to be able to enable ACPI support for them,
- * even though there are a few bad names.
- *
- ******************************************************************************/
-
-void acpi_ut_repair_name(char *name)
-{
- u32 i;
- u8 found_bad_char = FALSE;
- u32 original_name;
-
- ACPI_FUNCTION_NAME(ut_repair_name);
-
- ACPI_MOVE_NAME(&original_name, name);
-
- /* Check each character in the name */
-
- for (i = 0; i < ACPI_NAME_SIZE; i++) {
- if (acpi_ut_valid_acpi_char(name[i], i)) {
- continue;
- }
-
- /*
- * Replace a bad character with something printable, yet technically
- * still invalid. This prevents any collisions with existing "good"
- * names in the namespace.
- */
- name[i] = '*';
- found_bad_char = TRUE;
- }
-
- if (found_bad_char) {
-
- /* Report warning only if in strict mode or debug mode */
-
- if (!acpi_gbl_enable_interpreter_slack) {
- ACPI_WARNING((AE_INFO,
- "Found bad character(s) in name, repaired: [%4.4s]\n",
- name));
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Found bad character(s) in name, repaired: [%4.4s]\n",
- name));
- }
- }
-}
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_strtoul64
- *
- * PARAMETERS: string - Null terminated string
- * base - Radix of the string: 16 or ACPI_ANY_BASE;
- * ACPI_ANY_BASE means 'in behalf of to_integer'
- * ret_integer - Where the converted integer is returned
- *
- * RETURN: Status and Converted value
- *
- * DESCRIPTION: Convert a string into an unsigned value. Performs either a
- * 32-bit or 64-bit conversion, depending on the current mode
- * of the interpreter.
- * NOTE: Does not support Octal strings, not needed.
- *
- ******************************************************************************/
-
-acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer)
-{
- u32 this_digit = 0;
- u64 return_value = 0;
- u64 quotient;
- u64 dividend;
- u32 to_integer_op = (base == ACPI_ANY_BASE);
- u32 mode32 = (acpi_gbl_integer_byte_width == 4);
- u8 valid_digits = 0;
- u8 sign_of0x = 0;
- u8 term = 0;
-
- ACPI_FUNCTION_TRACE_STR(ut_stroul64, string);
-
- switch (base) {
- case ACPI_ANY_BASE:
- case 16:
- break;
-
- default:
- /* Invalid Base */
- return_ACPI_STATUS(AE_BAD_PARAMETER);
- }
-
- if (!string) {
- goto error_exit;
- }
-
- /* Skip over any white space in the buffer */
-
- while ((*string) && (ACPI_IS_SPACE(*string) || *string == '\t')) {
- string++;
- }
-
- if (to_integer_op) {
- /*
- * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'.
- * We need to determine if it is decimal or hexadecimal.
- */
- if ((*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) {
- sign_of0x = 1;
- base = 16;
-
- /* Skip over the leading '0x' */
- string += 2;
- } else {
- base = 10;
- }
- }
-
- /* Any string left? Check that '0x' is not followed by white space. */
-
- if (!(*string) || ACPI_IS_SPACE(*string) || *string == '\t') {
- if (to_integer_op) {
- goto error_exit;
- } else {
- goto all_done;
- }
- }
-
- /*
- * Perform a 32-bit or 64-bit conversion, depending upon the current
- * execution mode of the interpreter
- */
- dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX;
-
- /* Main loop: convert the string to a 32- or 64-bit integer */
-
- while (*string) {
- if (ACPI_IS_DIGIT(*string)) {
-
- /* Convert ASCII 0-9 to Decimal value */
-
- this_digit = ((u8)*string) - '0';
- } else if (base == 10) {
-
- /* Digit is out of range; possible in to_integer case only */
-
- term = 1;
- } else {
- this_digit = (u8)ACPI_TOUPPER(*string);
- if (ACPI_IS_XDIGIT((char)this_digit)) {
-
- /* Convert ASCII Hex char to value */
-
- this_digit = this_digit - 'A' + 10;
- } else {
- term = 1;
- }
- }
-
- if (term) {
- if (to_integer_op) {
- goto error_exit;
- } else {
- break;
- }
- } else if ((valid_digits == 0) && (this_digit == 0)
- && !sign_of0x) {
-
- /* Skip zeros */
- string++;
- continue;
- }
-
- valid_digits++;
-
- if (sign_of0x
- && ((valid_digits > 16)
- || ((valid_digits > 8) && mode32))) {
- /*
- * This is to_integer operation case.
- * No any restrictions for string-to-integer conversion,
- * see ACPI spec.
- */
- goto error_exit;
- }
-
- /* Divide the digit into the correct position */
-
- (void)acpi_ut_short_divide((dividend - (u64)this_digit),
- base, &quotient, NULL);
-
- if (return_value > quotient) {
- if (to_integer_op) {
- goto error_exit;
- } else {
- break;
- }
- }
-
- return_value *= base;
- return_value += this_digit;
- string++;
- }
-
- /* All done, normal exit */
-
- all_done:
-
- ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n",
- ACPI_FORMAT_UINT64(return_value)));
-
- *ret_integer = return_value;
- return_ACPI_STATUS(AE_OK);
-
- error_exit:
- /* Base was set/validated above */
-
- if (base == 10) {
- return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT);
- } else {
- return_ACPI_STATUS(AE_BAD_HEX_CONSTANT);
- }
-}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_create_update_state_and_push
@@ -1097,3 +337,71 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object,
return_ACPI_STATUS(AE_AML_INTERNAL);
}
+
+#ifdef ACPI_DEBUG_OUTPUT
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_display_init_pathname
+ *
+ * PARAMETERS: type - Object type of the node
+ * obj_handle - Handle whose pathname will be displayed
+ * path - Additional path string to be appended.
+ * (NULL if no extra path)
+ *
+ * RETURN: acpi_status
+ *
+ * DESCRIPTION: Display full pathname of an object, DEBUG ONLY
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_display_init_pathname(u8 type,
+ struct acpi_namespace_node *obj_handle,
+ char *path)
+{
+ acpi_status status;
+ struct acpi_buffer buffer;
+
+ ACPI_FUNCTION_ENTRY();
+
+ /* Only print the path if the appropriate debug level is enabled */
+
+ if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
+ return;
+ }
+
+ /* Get the full pathname to the node */
+
+ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+ status = acpi_ns_handle_to_pathname(obj_handle, &buffer);
+ if (ACPI_FAILURE(status)) {
+ return;
+ }
+
+ /* Print what we're doing */
+
+ switch (type) {
+ case ACPI_TYPE_METHOD:
+ acpi_os_printf("Executing ");
+ break;
+
+ default:
+ acpi_os_printf("Initializing ");
+ break;
+ }
+
+ /* Print the object type and pathname */
+
+ acpi_os_printf("%-12s %s",
+ acpi_ut_get_type_name(type), (char *)buffer.pointer);
+
+ /* Extra path is used to append names like _STA, _INI, etc. */
+
+ if (path) {
+ acpi_os_printf(".%s", path);
+ }
+ acpi_os_printf("\n");
+
+ ACPI_FREE(buffer.pointer);
+}
+#endif
diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c
index 5ccf57c0d87..22feb99b8e3 100644
--- a/drivers/acpi/acpica/utmutex.c
+++ b/drivers/acpi/acpica/utmutex.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c
index 5c52ca78f6f..1099f5c069f 100644
--- a/drivers/acpi/acpica/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -419,7 +419,7 @@ void acpi_ut_delete_object_desc(union acpi_operand_object *object)
{
ACPI_FUNCTION_TRACE_PTR(ut_delete_object_desc, object);
- /* Object must be a union acpi_operand_object */
+ /* Object must be of type union acpi_operand_object */
if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND) {
ACPI_ERROR((AE_INFO,
diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c
index 676285d6116..36a7d361d7c 100644
--- a/drivers/acpi/acpica/utosi.c
+++ b/drivers/acpi/acpica/utosi.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utownerid.c b/drivers/acpi/acpica/utownerid.c
new file mode 100644
index 00000000000..835340b26d3
--- /dev/null
+++ b/drivers/acpi/acpica/utownerid.c
@@ -0,0 +1,218 @@
+/*******************************************************************************
+ *
+ * Module Name: utownerid - Support for Table/Method Owner IDs
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utownerid")
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_allocate_owner_id
+ *
+ * PARAMETERS: owner_id - Where the new owner ID is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
+ * track objects created by the table or method, to be deleted
+ * when the method exits or the table is unloaded.
+ *
+ ******************************************************************************/
+acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
+{
+ u32 i;
+ u32 j;
+ u32 k;
+ acpi_status status;
+
+ ACPI_FUNCTION_TRACE(ut_allocate_owner_id);
+
+ /* Guard against multiple allocations of ID to the same location */
+
+ if (*owner_id) {
+ ACPI_ERROR((AE_INFO, "Owner ID [0x%2.2X] already exists",
+ *owner_id));
+ return_ACPI_STATUS(AE_ALREADY_EXISTS);
+ }
+
+ /* Mutex for the global ID mask */
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ /*
+ * Find a free owner ID, cycle through all possible IDs on repeated
+ * allocations. (ACPI_NUM_OWNERID_MASKS + 1) because first index may have
+ * to be scanned twice.
+ */
+ for (i = 0, j = acpi_gbl_last_owner_id_index;
+ i < (ACPI_NUM_OWNERID_MASKS + 1); i++, j++) {
+ if (j >= ACPI_NUM_OWNERID_MASKS) {
+ j = 0; /* Wraparound to start of mask array */
+ }
+
+ for (k = acpi_gbl_next_owner_id_offset; k < 32; k++) {
+ if (acpi_gbl_owner_id_mask[j] == ACPI_UINT32_MAX) {
+
+ /* There are no free IDs in this mask */
+
+ break;
+ }
+
+ if (!(acpi_gbl_owner_id_mask[j] & (1 << k))) {
+ /*
+ * Found a free ID. The actual ID is the bit index plus one,
+ * making zero an invalid Owner ID. Save this as the last ID
+ * allocated and update the global ID mask.
+ */
+ acpi_gbl_owner_id_mask[j] |= (1 << k);
+
+ acpi_gbl_last_owner_id_index = (u8)j;
+ acpi_gbl_next_owner_id_offset = (u8)(k + 1);
+
+ /*
+ * Construct encoded ID from the index and bit position
+ *
+ * Note: Last [j].k (bit 255) is never used and is marked
+ * permanently allocated (prevents +1 overflow)
+ */
+ *owner_id =
+ (acpi_owner_id) ((k + 1) + ACPI_MUL_32(j));
+
+ ACPI_DEBUG_PRINT((ACPI_DB_VALUES,
+ "Allocated OwnerId: %2.2X\n",
+ (unsigned int)*owner_id));
+ goto exit;
+ }
+ }
+
+ acpi_gbl_next_owner_id_offset = 0;
+ }
+
+ /*
+ * All owner_ids have been allocated. This typically should
+ * not happen since the IDs are reused after deallocation. The IDs are
+ * allocated upon table load (one per table) and method execution, and
+ * they are released when a table is unloaded or a method completes
+ * execution.
+ *
+ * If this error happens, there may be very deep nesting of invoked control
+ * methods, or there may be a bug where the IDs are not released.
+ */
+ status = AE_OWNER_ID_LIMIT;
+ ACPI_ERROR((AE_INFO,
+ "Could not allocate new OwnerId (255 max), AE_OWNER_ID_LIMIT"));
+
+ exit:
+ (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_release_owner_id
+ *
+ * PARAMETERS: owner_id_ptr - Pointer to a previously allocated owner_ID
+ *
+ * RETURN: None. No error is returned because we are either exiting a
+ * control method or unloading a table. Either way, we would
+ * ignore any error anyway.
+ *
+ * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 255
+ *
+ ******************************************************************************/
+
+void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
+{
+ acpi_owner_id owner_id = *owner_id_ptr;
+ acpi_status status;
+ u32 index;
+ u32 bit;
+
+ ACPI_FUNCTION_TRACE_U32(ut_release_owner_id, owner_id);
+
+ /* Always clear the input owner_id (zero is an invalid ID) */
+
+ *owner_id_ptr = 0;
+
+ /* Zero is not a valid owner_ID */
+
+ if (owner_id == 0) {
+ ACPI_ERROR((AE_INFO, "Invalid OwnerId: 0x%2.2X", owner_id));
+ return_VOID;
+ }
+
+ /* Mutex for the global ID mask */
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);
+ if (ACPI_FAILURE(status)) {
+ return_VOID;
+ }
+
+ /* Normalize the ID to zero */
+
+ owner_id--;
+
+ /* Decode ID to index/offset pair */
+
+ index = ACPI_DIV_32(owner_id);
+ bit = 1 << ACPI_MOD_32(owner_id);
+
+ /* Free the owner ID only if it is valid */
+
+ if (acpi_gbl_owner_id_mask[index] & bit) {
+ acpi_gbl_owner_id_mask[index] ^= bit;
+ } else {
+ ACPI_ERROR((AE_INFO,
+ "Release of non-allocated OwnerId: 0x%2.2X",
+ owner_id + 1));
+ }
+
+ (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
+ return_VOID;
+}
diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c
index e38bef4980b..cb7fa491dec 100644
--- a/drivers/acpi/acpica/utresrc.c
+++ b/drivers/acpi/acpica/utresrc.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -127,7 +127,9 @@ const char *acpi_gbl_rw_decode[] = {
const char *acpi_gbl_shr_decode[] = {
"Exclusive",
- "Shared"
+ "Shared",
+ "ExclusiveAndWake", /* ACPI 5.0 */
+ "SharedAndWake" /* ACPI 5.0 */
};
const char *acpi_gbl_siz_decode[] = {
@@ -383,26 +385,16 @@ static const u8 acpi_gbl_resource_types[] = {
ACPI_VARIABLE_LENGTH /* 0E *serial_bus */
};
-/*
- * For the iASL compiler/disassembler, we don't want any error messages
- * because the disassembler uses the resource validation code to determine
- * if Buffer objects are actually Resource Templates.
- */
-#ifdef ACPI_ASL_COMPILER
-#define ACPI_RESOURCE_ERROR(plist)
-#else
-#define ACPI_RESOURCE_ERROR(plist) ACPI_ERROR(plist)
-#endif
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_walk_aml_resources
*
- * PARAMETERS: aml - Pointer to the raw AML resource template
- * aml_length - Length of the entire template
- * user_function - Called once for each descriptor found. If
- * NULL, a pointer to the end_tag is returned
- * context - Passed to user_function
+ * PARAMETERS: walk_state - Current walk info
+ * PARAMETERS: aml - Pointer to the raw AML resource template
+ * aml_length - Length of the entire template
+ * user_function - Called once for each descriptor found. If
+ * NULL, a pointer to the end_tag is returned
+ * context - Passed to user_function
*
* RETURN: Status
*
@@ -412,7 +404,8 @@ static const u8 acpi_gbl_resource_types[] = {
******************************************************************************/
acpi_status
-acpi_ut_walk_aml_resources(u8 * aml,
+acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state,
+ u8 *aml,
acpi_size aml_length,
acpi_walk_aml_callback user_function, void **context)
{
@@ -441,7 +434,8 @@ acpi_ut_walk_aml_resources(u8 * aml,
/* Validate the Resource Type and Resource Length */
- status = acpi_ut_validate_resource(aml, &resource_index);
+ status =
+ acpi_ut_validate_resource(walk_state, aml, &resource_index);
if (ACPI_FAILURE(status)) {
/*
* Exit on failure. Cannot continue because the descriptor length
@@ -498,7 +492,8 @@ acpi_ut_walk_aml_resources(u8 * aml,
/* Insert an end_tag anyway. acpi_rs_get_list_length always leaves room */
- (void)acpi_ut_validate_resource(end_tag, &resource_index);
+ (void)acpi_ut_validate_resource(walk_state, end_tag,
+ &resource_index);
status =
user_function(end_tag, 2, offset, resource_index, context);
if (ACPI_FAILURE(status)) {
@@ -513,9 +508,10 @@ acpi_ut_walk_aml_resources(u8 * aml,
*
* FUNCTION: acpi_ut_validate_resource
*
- * PARAMETERS: aml - Pointer to the raw AML resource descriptor
- * return_index - Where the resource index is returned. NULL
- * if the index is not required.
+ * PARAMETERS: walk_state - Current walk info
+ * aml - Pointer to the raw AML resource descriptor
+ * return_index - Where the resource index is returned. NULL
+ * if the index is not required.
*
* RETURN: Status, and optionally the Index into the global resource tables
*
@@ -525,7 +521,9 @@ acpi_ut_walk_aml_resources(u8 * aml,
*
******************************************************************************/
-acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
+acpi_status
+acpi_ut_validate_resource(struct acpi_walk_state *walk_state,
+ void *aml, u8 *return_index)
{
union aml_resource *aml_resource;
u8 resource_type;
@@ -627,10 +625,12 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
if ((aml_resource->common_serial_bus.type == 0) ||
(aml_resource->common_serial_bus.type >
AML_RESOURCE_MAX_SERIALBUSTYPE)) {
- ACPI_RESOURCE_ERROR((AE_INFO,
- "Invalid/unsupported SerialBus resource descriptor: BusType 0x%2.2X",
- aml_resource->common_serial_bus.
- type));
+ if (walk_state) {
+ ACPI_ERROR((AE_INFO,
+ "Invalid/unsupported SerialBus resource descriptor: BusType 0x%2.2X",
+ aml_resource->common_serial_bus.
+ type));
+ }
return (AE_AML_INVALID_RESOURCE_TYPE);
}
}
@@ -645,18 +645,22 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
invalid_resource:
- ACPI_RESOURCE_ERROR((AE_INFO,
- "Invalid/unsupported resource descriptor: Type 0x%2.2X",
- resource_type));
+ if (walk_state) {
+ ACPI_ERROR((AE_INFO,
+ "Invalid/unsupported resource descriptor: Type 0x%2.2X",
+ resource_type));
+ }
return (AE_AML_INVALID_RESOURCE_TYPE);
bad_resource_length:
- ACPI_RESOURCE_ERROR((AE_INFO,
- "Invalid resource descriptor length: Type "
- "0x%2.2X, Length 0x%4.4X, MinLength 0x%4.4X",
- resource_type, resource_length,
- minimum_resource_length));
+ if (walk_state) {
+ ACPI_ERROR((AE_INFO,
+ "Invalid resource descriptor length: Type "
+ "0x%2.2X, Length 0x%4.4X, MinLength 0x%4.4X",
+ resource_type, resource_length,
+ minimum_resource_length));
+ }
return (AE_AML_BAD_RESOURCE_LENGTH);
}
@@ -800,8 +804,7 @@ u32 acpi_ut_get_descriptor_length(void *aml)
******************************************************************************/
acpi_status
-acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc,
- u8 ** end_tag)
+acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag)
{
acpi_status status;
@@ -816,7 +819,7 @@ acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc,
/* Validate the template and get a pointer to the end_tag */
- status = acpi_ut_walk_aml_resources(obj_desc->buffer.pointer,
+ status = acpi_ut_walk_aml_resources(NULL, obj_desc->buffer.pointer,
obj_desc->buffer.length, NULL,
(void **)end_tag);
diff --git a/drivers/acpi/acpica/utstate.c b/drivers/acpi/acpica/utstate.c
index cee0473ba81..a6b729d4c1d 100644
--- a/drivers/acpi/acpica/utstate.c
+++ b/drivers/acpi/acpica/utstate.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -97,14 +97,13 @@ void
acpi_ut_push_generic_state(union acpi_generic_state **list_head,
union acpi_generic_state *state)
{
- ACPI_FUNCTION_TRACE(ut_push_generic_state);
+ ACPI_FUNCTION_ENTRY();
/* Push the state object onto the front of the list (stack) */
state->common.next = *list_head;
*list_head = state;
-
- return_VOID;
+ return;
}
/*******************************************************************************
@@ -124,7 +123,7 @@ union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE(ut_pop_generic_state);
+ ACPI_FUNCTION_ENTRY();
/* Remove the state object at the head of the list (stack) */
@@ -136,7 +135,7 @@ union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
*list_head = state->common.next;
}
- return_PTR(state);
+ return (state);
}
/*******************************************************************************
@@ -186,13 +185,13 @@ struct acpi_thread_state *acpi_ut_create_thread_state(void)
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE(ut_create_thread_state);
+ ACPI_FUNCTION_ENTRY();
/* Create the generic state object */
state = acpi_ut_create_generic_state();
if (!state) {
- return_PTR(NULL);
+ return (NULL);
}
/* Init fields specific to the update struct */
@@ -207,7 +206,7 @@ struct acpi_thread_state *acpi_ut_create_thread_state(void)
state->thread.thread_id = (acpi_thread_id) 1;
}
- return_PTR((struct acpi_thread_state *)state);
+ return ((struct acpi_thread_state *)state);
}
/*******************************************************************************
@@ -230,13 +229,13 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE_PTR(ut_create_update_state, object);
+ ACPI_FUNCTION_ENTRY();
/* Create the generic state object */
state = acpi_ut_create_generic_state();
if (!state) {
- return_PTR(NULL);
+ return (NULL);
}
/* Init fields specific to the update struct */
@@ -244,8 +243,7 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
state->common.descriptor_type = ACPI_DESC_TYPE_STATE_UPDATE;
state->update.object = object;
state->update.value = action;
-
- return_PTR(state);
+ return (state);
}
/*******************************************************************************
@@ -267,13 +265,13 @@ union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE_PTR(ut_create_pkg_state, internal_object);
+ ACPI_FUNCTION_ENTRY();
/* Create the generic state object */
state = acpi_ut_create_generic_state();
if (!state) {
- return_PTR(NULL);
+ return (NULL);
}
/* Init fields specific to the update struct */
@@ -283,8 +281,7 @@ union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
state->pkg.dest_object = external_object;
state->pkg.index = index;
state->pkg.num_packages = 1;
-
- return_PTR(state);
+ return (state);
}
/*******************************************************************************
@@ -304,21 +301,20 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
{
union acpi_generic_state *state;
- ACPI_FUNCTION_TRACE(ut_create_control_state);
+ ACPI_FUNCTION_ENTRY();
/* Create the generic state object */
state = acpi_ut_create_generic_state();
if (!state) {
- return_PTR(NULL);
+ return (NULL);
}
/* Init fields specific to the control struct */
state->common.descriptor_type = ACPI_DESC_TYPE_STATE_CONTROL;
state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
-
- return_PTR(state);
+ return (state);
}
/*******************************************************************************
@@ -336,12 +332,12 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
void acpi_ut_delete_generic_state(union acpi_generic_state *state)
{
- ACPI_FUNCTION_TRACE(ut_delete_generic_state);
+ ACPI_FUNCTION_ENTRY();
/* Ignore null state */
if (state) {
(void)acpi_os_release_object(acpi_gbl_state_cache, state);
}
- return_VOID;
+ return;
}
diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c
new file mode 100644
index 00000000000..b3e36a81aa4
--- /dev/null
+++ b/drivers/acpi/acpica/utstring.c
@@ -0,0 +1,574 @@
+/*******************************************************************************
+ *
+ * Module Name: utstring - Common functions for strings and characters
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acnamesp.h"
+
+#define _COMPONENT ACPI_UTILITIES
+ACPI_MODULE_NAME("utstring")
+
+/*
+ * Non-ANSI C library functions - strlwr, strupr, stricmp, and a 64-bit
+ * version of strtoul.
+ */
+#ifdef ACPI_ASL_COMPILER
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strlwr (strlwr)
+ *
+ * PARAMETERS: src_string - The source string to convert
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Convert string to lowercase
+ *
+ * NOTE: This is not a POSIX function, so it appears here, not in utclib.c
+ *
+ ******************************************************************************/
+void acpi_ut_strlwr(char *src_string)
+{
+ char *string;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!src_string) {
+ return;
+ }
+
+ /* Walk entire string, lowercasing the letters */
+
+ for (string = src_string; *string; string++) {
+ *string = (char)ACPI_TOLOWER(*string);
+ }
+
+ return;
+}
+
+/******************************************************************************
+ *
+ * FUNCTION: acpi_ut_stricmp (stricmp)
+ *
+ * PARAMETERS: string1 - first string to compare
+ * string2 - second string to compare
+ *
+ * RETURN: int that signifies string relationship. Zero means strings
+ * are equal.
+ *
+ * DESCRIPTION: Implementation of the non-ANSI stricmp function (compare
+ * strings with no case sensitivity)
+ *
+ ******************************************************************************/
+
+int acpi_ut_stricmp(char *string1, char *string2)
+{
+ int c1;
+ int c2;
+
+ do {
+ c1 = tolower((int)*string1);
+ c2 = tolower((int)*string2);
+
+ string1++;
+ string2++;
+ }
+ while ((c1 == c2) && (c1));
+
+ return (c1 - c2);
+}
+#endif
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strupr (strupr)
+ *
+ * PARAMETERS: src_string - The source string to convert
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Convert string to uppercase
+ *
+ * NOTE: This is not a POSIX function, so it appears here, not in utclib.c
+ *
+ ******************************************************************************/
+
+void acpi_ut_strupr(char *src_string)
+{
+ char *string;
+
+ ACPI_FUNCTION_ENTRY();
+
+ if (!src_string) {
+ return;
+ }
+
+ /* Walk entire string, uppercasing the letters */
+
+ for (string = src_string; *string; string++) {
+ *string = (char)ACPI_TOUPPER(*string);
+ }
+
+ return;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_strtoul64
+ *
+ * PARAMETERS: string - Null terminated string
+ * base - Radix of the string: 16 or ACPI_ANY_BASE;
+ * ACPI_ANY_BASE means 'in behalf of to_integer'
+ * ret_integer - Where the converted integer is returned
+ *
+ * RETURN: Status and Converted value
+ *
+ * DESCRIPTION: Convert a string into an unsigned value. Performs either a
+ * 32-bit or 64-bit conversion, depending on the current mode
+ * of the interpreter.
+ * NOTE: Does not support Octal strings, not needed.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer)
+{
+ u32 this_digit = 0;
+ u64 return_value = 0;
+ u64 quotient;
+ u64 dividend;
+ u32 to_integer_op = (base == ACPI_ANY_BASE);
+ u32 mode32 = (acpi_gbl_integer_byte_width == 4);
+ u8 valid_digits = 0;
+ u8 sign_of0x = 0;
+ u8 term = 0;
+
+ ACPI_FUNCTION_TRACE_STR(ut_stroul64, string);
+
+ switch (base) {
+ case ACPI_ANY_BASE:
+ case 16:
+ break;
+
+ default:
+ /* Invalid Base */
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
+ }
+
+ if (!string) {
+ goto error_exit;
+ }
+
+ /* Skip over any white space in the buffer */
+
+ while ((*string) && (ACPI_IS_SPACE(*string) || *string == '\t')) {
+ string++;
+ }
+
+ if (to_integer_op) {
+ /*
+ * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'.
+ * We need to determine if it is decimal or hexadecimal.
+ */
+ if ((*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) {
+ sign_of0x = 1;
+ base = 16;
+
+ /* Skip over the leading '0x' */
+ string += 2;
+ } else {
+ base = 10;
+ }
+ }
+
+ /* Any string left? Check that '0x' is not followed by white space. */
+
+ if (!(*string) || ACPI_IS_SPACE(*string) || *string == '\t') {
+ if (to_integer_op) {
+ goto error_exit;
+ } else {
+ goto all_done;
+ }
+ }
+
+ /*
+ * Perform a 32-bit or 64-bit conversion, depending upon the current
+ * execution mode of the interpreter
+ */
+ dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX;
+
+ /* Main loop: convert the string to a 32- or 64-bit integer */
+
+ while (*string) {
+ if (ACPI_IS_DIGIT(*string)) {
+
+ /* Convert ASCII 0-9 to Decimal value */
+
+ this_digit = ((u8)*string) - '0';
+ } else if (base == 10) {
+
+ /* Digit is out of range; possible in to_integer case only */
+
+ term = 1;
+ } else {
+ this_digit = (u8)ACPI_TOUPPER(*string);
+ if (ACPI_IS_XDIGIT((char)this_digit)) {
+
+ /* Convert ASCII Hex char to value */
+
+ this_digit = this_digit - 'A' + 10;
+ } else {
+ term = 1;
+ }
+ }
+
+ if (term) {
+ if (to_integer_op) {
+ goto error_exit;
+ } else {
+ break;
+ }
+ } else if ((valid_digits == 0) && (this_digit == 0)
+ && !sign_of0x) {
+
+ /* Skip zeros */
+ string++;
+ continue;
+ }
+
+ valid_digits++;
+
+ if (sign_of0x
+ && ((valid_digits > 16)
+ || ((valid_digits > 8) && mode32))) {
+ /*
+ * This is to_integer operation case.
+ * No any restrictions for string-to-integer conversion,
+ * see ACPI spec.
+ */
+ goto error_exit;
+ }
+
+ /* Divide the digit into the correct position */
+
+ (void)acpi_ut_short_divide((dividend - (u64)this_digit),
+ base, &quotient, NULL);
+
+ if (return_value > quotient) {
+ if (to_integer_op) {
+ goto error_exit;
+ } else {
+ break;
+ }
+ }
+
+ return_value *= base;
+ return_value += this_digit;
+ string++;
+ }
+
+ /* All done, normal exit */
+
+ all_done:
+
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Converted value: %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64(return_value)));
+
+ *ret_integer = return_value;
+ return_ACPI_STATUS(AE_OK);
+
+ error_exit:
+ /* Base was set/validated above */
+
+ if (base == 10) {
+ return_ACPI_STATUS(AE_BAD_DECIMAL_CONSTANT);
+ } else {
+ return_ACPI_STATUS(AE_BAD_HEX_CONSTANT);
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_print_string
+ *
+ * PARAMETERS: string - Null terminated ASCII string
+ * max_length - Maximum output length
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Dump an ASCII string with support for ACPI-defined escape
+ * sequences.
+ *
+ ******************************************************************************/
+
+void acpi_ut_print_string(char *string, u8 max_length)
+{
+ u32 i;
+
+ if (!string) {
+ acpi_os_printf("<\"NULL STRING PTR\">");
+ return;
+ }
+
+ acpi_os_printf("\"");
+ for (i = 0; string[i] && (i < max_length); i++) {
+
+ /* Escape sequences */
+
+ switch (string[i]) {
+ case 0x07:
+ acpi_os_printf("\\a"); /* BELL */
+ break;
+
+ case 0x08:
+ acpi_os_printf("\\b"); /* BACKSPACE */
+ break;
+
+ case 0x0C:
+ acpi_os_printf("\\f"); /* FORMFEED */
+ break;
+
+ case 0x0A:
+ acpi_os_printf("\\n"); /* LINEFEED */
+ break;
+
+ case 0x0D:
+ acpi_os_printf("\\r"); /* CARRIAGE RETURN */
+ break;
+
+ case 0x09:
+ acpi_os_printf("\\t"); /* HORIZONTAL TAB */
+ break;
+
+ case 0x0B:
+ acpi_os_printf("\\v"); /* VERTICAL TAB */
+ break;
+
+ case '\'': /* Single Quote */
+ case '\"': /* Double Quote */
+ case '\\': /* Backslash */
+ acpi_os_printf("\\%c", (int)string[i]);
+ break;
+
+ default:
+
+ /* Check for printable character or hex escape */
+
+ if (ACPI_IS_PRINT(string[i])) {
+ /* This is a normal character */
+
+ acpi_os_printf("%c", (int)string[i]);
+ } else {
+ /* All others will be Hex escapes */
+
+ acpi_os_printf("\\x%2.2X", (s32) string[i]);
+ }
+ break;
+ }
+ }
+ acpi_os_printf("\"");
+
+ if (i == max_length && string[i]) {
+ acpi_os_printf("...");
+ }
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_valid_acpi_char
+ *
+ * PARAMETERS: char - The character to be examined
+ * position - Byte position (0-3)
+ *
+ * RETURN: TRUE if the character is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI character. Must be one of:
+ * 1) Upper case alpha
+ * 2) numeric
+ * 3) underscore
+ *
+ * We allow a '!' as the last character because of the ASF! table
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_acpi_char(char character, u32 position)
+{
+
+ if (!((character >= 'A' && character <= 'Z') ||
+ (character >= '0' && character <= '9') || (character == '_'))) {
+
+ /* Allow a '!' in the last position */
+
+ if (character == '!' && position == 3) {
+ return (TRUE);
+ }
+
+ return (FALSE);
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_valid_acpi_name
+ *
+ * PARAMETERS: name - The name to be examined
+ *
+ * RETURN: TRUE if the name is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI name. Each character must be one of:
+ * 1) Upper case alpha
+ * 2) numeric
+ * 3) underscore
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_acpi_name(u32 name)
+{
+ u32 i;
+
+ ACPI_FUNCTION_ENTRY();
+
+ for (i = 0; i < ACPI_NAME_SIZE; i++) {
+ if (!acpi_ut_valid_acpi_char
+ ((ACPI_CAST_PTR(char, &name))[i], i)) {
+ return (FALSE);
+ }
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_repair_name
+ *
+ * PARAMETERS: name - The ACPI name to be repaired
+ *
+ * RETURN: Repaired version of the name
+ *
+ * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
+ * return the new name. NOTE: the Name parameter must reside in
+ * read/write memory, cannot be a const.
+ *
+ * An ACPI Name must consist of valid ACPI characters. We will repair the name
+ * if necessary because we don't want to abort because of this, but we want
+ * all namespace names to be printable. A warning message is appropriate.
+ *
+ * This issue came up because there are in fact machines that exhibit
+ * this problem, and we want to be able to enable ACPI support for them,
+ * even though there are a few bad names.
+ *
+ ******************************************************************************/
+
+void acpi_ut_repair_name(char *name)
+{
+ u32 i;
+ u8 found_bad_char = FALSE;
+ u32 original_name;
+
+ ACPI_FUNCTION_NAME(ut_repair_name);
+
+ ACPI_MOVE_NAME(&original_name, name);
+
+ /* Check each character in the name */
+
+ for (i = 0; i < ACPI_NAME_SIZE; i++) {
+ if (acpi_ut_valid_acpi_char(name[i], i)) {
+ continue;
+ }
+
+ /*
+ * Replace a bad character with something printable, yet technically
+ * still invalid. This prevents any collisions with existing "good"
+ * names in the namespace.
+ */
+ name[i] = '*';
+ found_bad_char = TRUE;
+ }
+
+ if (found_bad_char) {
+
+ /* Report warning only if in strict mode or debug mode */
+
+ if (!acpi_gbl_enable_interpreter_slack) {
+ ACPI_WARNING((AE_INFO,
+ "Invalid character(s) in name (0x%.8X), repaired: [%4.4s]",
+ original_name, name));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Invalid character(s) in name (0x%.8X), repaired: [%4.4s]",
+ original_name, name));
+ }
+ }
+}
+
+#if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP
+/*******************************************************************************
+ *
+ * FUNCTION: ut_convert_backslashes
+ *
+ * PARAMETERS: pathname - File pathname string to be converted
+ *
+ * RETURN: Modifies the input Pathname
+ *
+ * DESCRIPTION: Convert all backslashes (0x5C) to forward slashes (0x2F) within
+ * the entire input file pathname string.
+ *
+ ******************************************************************************/
+
+void ut_convert_backslashes(char *pathname)
+{
+
+ if (!pathname) {
+ return;
+ }
+
+ while (*pathname) {
+ if (*pathname == '\\') {
+ *pathname = '/';
+ }
+
+ pathname++;
+ }
+}
+#endif
diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c
index a424a9e3fea..62774c7b76a 100644
--- a/drivers/acpi/acpica/uttrack.c
+++ b/drivers/acpi/acpica/uttrack.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -436,10 +436,10 @@ acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation,
struct acpi_memory_list *mem_list;
acpi_status status;
- ACPI_FUNCTION_TRACE(ut_remove_allocation);
+ ACPI_FUNCTION_NAME(ut_remove_allocation);
if (acpi_gbl_disable_mem_tracking) {
- return_ACPI_STATUS(AE_OK);
+ return (AE_OK);
}
mem_list = acpi_gbl_global_list;
@@ -450,12 +450,12 @@ acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation,
ACPI_ERROR((module, line,
"Empty allocation list, nothing to free!"));
- return_ACPI_STATUS(AE_OK);
+ return (AE_OK);
}
status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
+ return (status);
}
/* Unlink */
@@ -470,15 +470,15 @@ acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation,
(allocation->next)->previous = allocation->previous;
}
+ ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing %p, size 0%X\n",
+ &allocation->user_space, allocation->size));
+
/* Mark the segment as deleted */
ACPI_MEMSET(&allocation->user_space, 0xEA, allocation->size);
- ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
- allocation->size));
-
status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
- return_ACPI_STATUS(status);
+ return (status);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c
index 390db0ca5e2..48efb446258 100644
--- a/drivers/acpi/acpica/utxface.c
+++ b/drivers/acpi/acpica/utxface.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -44,11 +44,7 @@
#include <linux/export.h>
#include <acpi/acpi.h>
#include "accommon.h"
-#include "acevents.h"
-#include "acnamesp.h"
#include "acdebug.h"
-#include "actables.h"
-#include "acinterp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utxface")
diff --git a/drivers/acpi/acpica/utxferror.c b/drivers/acpi/acpica/utxferror.c
index d4d3826140d..976b6c734fc 100644
--- a/drivers/acpi/acpica/utxferror.c
+++ b/drivers/acpi/acpica/utxferror.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -297,9 +297,9 @@ ACPI_EXPORT_SYMBOL(acpi_bios_warning)
*
* PARAMETERS: module_name - Caller's module name (for error output)
* line_number - Caller's line number (for error output)
- * Pathname - Full pathname to the node
+ * pathname - Full pathname to the node
* node_flags - From Namespace node for the method/object
- * Format - Printf format string + additional args
+ * format - Printf format string + additional args
*
* RETURN: None
*
diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c
index 14f523627a5..41ebaaf8bb1 100644
--- a/drivers/acpi/acpica/utxfinit.c
+++ b/drivers/acpi/acpica/utxfinit.c
@@ -5,7 +5,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/acpica/utxfmutex.c b/drivers/acpi/acpica/utxfmutex.c
index 0a40a851b35..312299721ba 100644
--- a/drivers/acpi/acpica/utxfmutex.c
+++ b/drivers/acpi/acpica/utxfmutex.c
@@ -5,7 +5,7 @@
******************************************************************************/
/*
- * Copyright (C) 2000 - 2012, Intel Corp.
+ * Copyright (C) 2000 - 2013, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 7efaeaa53b8..c5cd5b5513e 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -1111,7 +1111,7 @@ fail:
return result;
}
-static int acpi_battery_remove(struct acpi_device *device, int type)
+static int acpi_battery_remove(struct acpi_device *device)
{
struct acpi_battery *battery = NULL;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 1f0d457ecbc..01708a16536 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -178,276 +178,6 @@ int acpi_bus_get_private_data(acpi_handle handle, void **data)
}
EXPORT_SYMBOL(acpi_bus_get_private_data);
-/* --------------------------------------------------------------------------
- Power Management
- -------------------------------------------------------------------------- */
-
-static const char *state_string(int state)
-{
- switch (state) {
- case ACPI_STATE_D0:
- return "D0";
- case ACPI_STATE_D1:
- return "D1";
- case ACPI_STATE_D2:
- return "D2";
- case ACPI_STATE_D3_HOT:
- return "D3hot";
- case ACPI_STATE_D3_COLD:
- return "D3";
- default:
- return "(unknown)";
- }
-}
-
-static int __acpi_bus_get_power(struct acpi_device *device, int *state)
-{
- int result = ACPI_STATE_UNKNOWN;
-
- if (!device || !state)
- return -EINVAL;
-
- if (!device->flags.power_manageable) {
- /* TBD: Non-recursive algorithm for walking up hierarchy. */
- *state = device->parent ?
- device->parent->power.state : ACPI_STATE_D0;
- goto out;
- }
-
- /*
- * Get the device's power state either directly (via _PSC) or
- * indirectly (via power resources).
- */
- if (device->power.flags.explicit_get) {
- unsigned long long psc;
- acpi_status status = acpi_evaluate_integer(device->handle,
- "_PSC", NULL, &psc);
- if (ACPI_FAILURE(status))
- return -ENODEV;
-
- result = psc;
- }
- /* The test below covers ACPI_STATE_UNKNOWN too. */
- if (result <= ACPI_STATE_D2) {
- ; /* Do nothing. */
- } else if (device->power.flags.power_resources) {
- int error = acpi_power_get_inferred_state(device, &result);
- if (error)
- return error;
- } else if (result == ACPI_STATE_D3_HOT) {
- result = ACPI_STATE_D3;
- }
-
- /*
- * If we were unsure about the device parent's power state up to this
- * point, the fact that the device is in D0 implies that the parent has
- * to be in D0 too.
- */
- if (device->parent && device->parent->power.state == ACPI_STATE_UNKNOWN
- && result == ACPI_STATE_D0)
- device->parent->power.state = ACPI_STATE_D0;
-
- *state = result;
-
- out:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] power state is %s\n",
- device->pnp.bus_id, state_string(*state)));
-
- return 0;
-}
-
-
-/**
- * acpi_device_set_power - Set power state of an ACPI device.
- * @device: Device to set the power state of.
- * @state: New power state to set.
- *
- * Callers must ensure that the device is power manageable before using this
- * function.
- */
-int acpi_device_set_power(struct acpi_device *device, int state)
-{
- int result = 0;
- acpi_status status = AE_OK;
- char object_name[5] = { '_', 'P', 'S', '0' + state, '\0' };
-
- if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3_COLD))
- return -EINVAL;
-
- /* Make sure this is a valid target state */
-
- if (state == device->power.state) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at %s\n",
- state_string(state)));
- return 0;
- }
-
- if (!device->power.states[state].flags.valid) {
- printk(KERN_WARNING PREFIX "Device does not support %s\n",
- state_string(state));
- return -ENODEV;
- }
- if (device->parent && (state < device->parent->power.state)) {
- printk(KERN_WARNING PREFIX
- "Cannot set device to a higher-powered"
- " state than parent\n");
- return -ENODEV;
- }
-
- /* For D3cold we should execute _PS3, not _PS4. */
- if (state == ACPI_STATE_D3_COLD)
- object_name[3] = '3';
-
- /*
- * Transition Power
- * ----------------
- * On transitions to a high-powered state we first apply power (via
- * power resources) then evalute _PSx. Conversly for transitions to
- * a lower-powered state.
- */
- if (state < device->power.state) {
- if (device->power.state >= ACPI_STATE_D3_HOT &&
- state != ACPI_STATE_D0) {
- printk(KERN_WARNING PREFIX
- "Cannot transition to non-D0 state from D3\n");
- return -ENODEV;
- }
- if (device->power.flags.power_resources) {
- result = acpi_power_transition(device, state);
- if (result)
- goto end;
- }
- if (device->power.states[state].flags.explicit_set) {
- status = acpi_evaluate_object(device->handle,
- object_name, NULL, NULL);
- if (ACPI_FAILURE(status)) {
- result = -ENODEV;
- goto end;
- }
- }
- } else {
- if (device->power.states[state].flags.explicit_set) {
- status = acpi_evaluate_object(device->handle,
- object_name, NULL, NULL);
- if (ACPI_FAILURE(status)) {
- result = -ENODEV;
- goto end;
- }
- }
- if (device->power.flags.power_resources) {
- result = acpi_power_transition(device, state);
- if (result)
- goto end;
- }
- }
-
- end:
- if (result)
- printk(KERN_WARNING PREFIX
- "Device [%s] failed to transition to %s\n",
- device->pnp.bus_id, state_string(state));
- else {
- device->power.state = state;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Device [%s] transitioned to %s\n",
- device->pnp.bus_id, state_string(state)));
- }
-
- return result;
-}
-EXPORT_SYMBOL(acpi_device_set_power);
-
-
-int acpi_bus_set_power(acpi_handle handle, int state)
-{
- struct acpi_device *device;
- int result;
-
- result = acpi_bus_get_device(handle, &device);
- if (result)
- return result;
-
- if (!device->flags.power_manageable) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Device [%s] is not power manageable\n",
- dev_name(&device->dev)));
- return -ENODEV;
- }
-
- return acpi_device_set_power(device, state);
-}
-EXPORT_SYMBOL(acpi_bus_set_power);
-
-
-int acpi_bus_init_power(struct acpi_device *device)
-{
- int state;
- int result;
-
- if (!device)
- return -EINVAL;
-
- device->power.state = ACPI_STATE_UNKNOWN;
-
- result = __acpi_bus_get_power(device, &state);
- if (result)
- return result;
-
- if (device->power.flags.power_resources)
- result = acpi_power_on_resources(device, state);
-
- if (!result)
- device->power.state = state;
-
- return result;
-}
-
-
-int acpi_bus_update_power(acpi_handle handle, int *state_p)
-{
- struct acpi_device *device;
- int state;
- int result;
-
- result = acpi_bus_get_device(handle, &device);
- if (result)
- return result;
-
- result = __acpi_bus_get_power(device, &state);
- if (result)
- return result;
-
- result = acpi_device_set_power(device, state);
- if (!result && state_p)
- *state_p = state;
-
- return result;
-}
-EXPORT_SYMBOL_GPL(acpi_bus_update_power);
-
-
-bool acpi_bus_power_manageable(acpi_handle handle)
-{
- struct acpi_device *device;
- int result;
-
- result = acpi_bus_get_device(handle, &device);
- return result ? false : device->flags.power_manageable;
-}
-
-EXPORT_SYMBOL(acpi_bus_power_manageable);
-
-bool acpi_bus_can_wakeup(acpi_handle handle)
-{
- struct acpi_device *device;
- int result;
-
- result = acpi_bus_get_device(handle, &device);
- return result ? false : device->wakeup.flags.valid;
-}
-
-EXPORT_SYMBOL(acpi_bus_can_wakeup);
-
static void acpi_print_osc_error(acpi_handle handle,
struct acpi_osc_context *context, char *error)
{
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index f0d936b65e3..86c7d5445c3 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -75,7 +75,7 @@ static const struct acpi_device_id button_device_ids[] = {
MODULE_DEVICE_TABLE(acpi, button_device_ids);
static int acpi_button_add(struct acpi_device *device);
-static int acpi_button_remove(struct acpi_device *device, int type);
+static int acpi_button_remove(struct acpi_device *device);
static void acpi_button_notify(struct acpi_device *device, u32 event);
#ifdef CONFIG_PM_SLEEP
@@ -433,7 +433,7 @@ static int acpi_button_add(struct acpi_device *device)
return error;
}
-static int acpi_button_remove(struct acpi_device *device, int type)
+static int acpi_button_remove(struct acpi_device *device)
{
struct acpi_button *button = acpi_driver_data(device);
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 811910b50b7..5523ba7d764 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -34,46 +34,34 @@
#include <linux/acpi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
-#include <acpi/container.h>
#define PREFIX "ACPI: "
-#define ACPI_CONTAINER_DEVICE_NAME "ACPI container device"
-#define ACPI_CONTAINER_CLASS "container"
-
-#define INSTALL_NOTIFY_HANDLER 1
-#define UNINSTALL_NOTIFY_HANDLER 2
-
#define _COMPONENT ACPI_CONTAINER_COMPONENT
ACPI_MODULE_NAME("container");
-MODULE_AUTHOR("Anil S Keshavamurthy");
-MODULE_DESCRIPTION("ACPI container driver");
-MODULE_LICENSE("GPL");
-
-static int acpi_container_add(struct acpi_device *device);
-static int acpi_container_remove(struct acpi_device *device, int type);
-
static const struct acpi_device_id container_device_ids[] = {
{"ACPI0004", 0},
{"PNP0A05", 0},
{"PNP0A06", 0},
{"", 0},
};
-MODULE_DEVICE_TABLE(acpi, container_device_ids);
-static struct acpi_driver acpi_container_driver = {
- .name = "container",
- .class = ACPI_CONTAINER_CLASS,
+static int container_device_attach(struct acpi_device *device,
+ const struct acpi_device_id *not_used)
+{
+ /*
+ * FIXME: This is necessary, so that acpi_eject_store() doesn't return
+ * -ENODEV for containers.
+ */
+ return 1;
+}
+
+static struct acpi_scan_handler container_device_handler = {
.ids = container_device_ids,
- .ops = {
- .add = acpi_container_add,
- .remove = acpi_container_remove,
- },
+ .attach = container_device_attach,
};
-/*******************************************************************/
-
static int is_device_present(acpi_handle handle)
{
acpi_handle temp;
@@ -92,73 +80,6 @@ static int is_device_present(acpi_handle handle)
return ((sta & ACPI_STA_DEVICE_PRESENT) == ACPI_STA_DEVICE_PRESENT);
}
-static bool is_container_device(const char *hid)
-{
- const struct acpi_device_id *container_id;
-
- for (container_id = container_device_ids;
- container_id->id[0]; container_id++) {
- if (!strcmp((char *)container_id->id, hid))
- return true;
- }
-
- return false;
-}
-
-/*******************************************************************/
-static int acpi_container_add(struct acpi_device *device)
-{
- struct acpi_container *container;
-
- container = kzalloc(sizeof(struct acpi_container), GFP_KERNEL);
- if (!container)
- return -ENOMEM;
-
- container->handle = device->handle;
- strcpy(acpi_device_name(device), ACPI_CONTAINER_DEVICE_NAME);
- strcpy(acpi_device_class(device), ACPI_CONTAINER_CLASS);
- device->driver_data = container;
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device <%s> bid <%s>\n",
- acpi_device_name(device), acpi_device_bid(device)));
-
- return 0;
-}
-
-static int acpi_container_remove(struct acpi_device *device, int type)
-{
- acpi_status status = AE_OK;
- struct acpi_container *pc = NULL;
-
- pc = acpi_driver_data(device);
- kfree(pc);
- return status;
-}
-
-static int container_device_add(struct acpi_device **device, acpi_handle handle)
-{
- acpi_handle phandle;
- struct acpi_device *pdev;
- int result;
-
-
- if (acpi_get_parent(handle, &phandle)) {
- return -ENODEV;
- }
-
- if (acpi_bus_get_device(phandle, &pdev)) {
- return -ENODEV;
- }
-
- if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_DEVICE)) {
- return -ENODEV;
- }
-
- result = acpi_bus_start(*device);
-
- return result;
-}
-
static void container_notify_cb(acpi_handle handle, u32 type, void *context)
{
struct acpi_device *device = NULL;
@@ -167,6 +88,8 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
acpi_status status;
u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */
+ acpi_scan_lock_acquire();
+
switch (type) {
case ACPI_NOTIFY_BUS_CHECK:
/* Fall through */
@@ -182,7 +105,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
/* device exist and this is a remove request */
device->flags.eject_pending = 1;
kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
- return;
+ goto out;
}
break;
}
@@ -190,11 +113,16 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
if (!ACPI_FAILURE(status) || device)
break;
- result = container_device_add(&device, handle);
+ result = acpi_bus_scan(handle);
if (result) {
acpi_handle_warn(handle, "Failed to add container\n");
break;
}
+ result = acpi_bus_get_device(handle, &device);
+ if (result) {
+ acpi_handle_warn(handle, "Missing device object\n");
+ break;
+ }
kobject_uevent(&device->dev.kobj, KOBJ_ONLINE);
ost_code = ACPI_OST_SC_SUCCESS;
@@ -204,98 +132,59 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
if (!acpi_bus_get_device(handle, &device) && device) {
device->flags.eject_pending = 1;
kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
- return;
+ goto out;
}
break;
default:
/* non-hotplug event; possibly handled by other handler */
- return;
+ goto out;
}
/* Inform firmware that the hotplug operation has completed */
(void) acpi_evaluate_hotplug_ost(handle, type, ost_code, NULL);
- return;
+
+ out:
+ acpi_scan_lock_release();
}
-static acpi_status
-container_walk_namespace_cb(acpi_handle handle,
- u32 lvl, void *context, void **rv)
+static bool is_container(acpi_handle handle)
{
- char *hid = NULL;
struct acpi_device_info *info;
- acpi_status status;
- int *action = context;
-
- status = acpi_get_object_info(handle, &info);
- if (ACPI_FAILURE(status)) {
- return AE_OK;
- }
+ bool ret = false;
- if (info->valid & ACPI_VALID_HID)
- hid = info->hardware_id.string;
+ if (ACPI_FAILURE(acpi_get_object_info(handle, &info)))
+ return false;
- if (hid == NULL) {
- goto end;
- }
-
- if (!is_container_device(hid))
- goto end;
+ if (info->valid & ACPI_VALID_HID) {
+ const struct acpi_device_id *id;
- switch (*action) {
- case INSTALL_NOTIFY_HANDLER:
- acpi_install_notify_handler(handle,
- ACPI_SYSTEM_NOTIFY,
- container_notify_cb, NULL);
- break;
- case UNINSTALL_NOTIFY_HANDLER:
- acpi_remove_notify_handler(handle,
- ACPI_SYSTEM_NOTIFY,
- container_notify_cb);
- break;
- default:
- break;
+ for (id = container_device_ids; id->id[0]; id++) {
+ ret = !strcmp((char *)id->id, info->hardware_id.string);
+ if (ret)
+ break;
+ }
}
-
- end:
kfree(info);
-
- return AE_OK;
+ return ret;
}
-static int __init acpi_container_init(void)
+static acpi_status acpi_container_register_notify_handler(acpi_handle handle,
+ u32 lvl, void *ctxt,
+ void **retv)
{
- int result = 0;
- int action = INSTALL_NOTIFY_HANDLER;
-
- result = acpi_bus_register_driver(&acpi_container_driver);
- if (result < 0) {
- return (result);
- }
-
- /* register notify handler to every container device */
- acpi_walk_namespace(ACPI_TYPE_DEVICE,
- ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX,
- container_walk_namespace_cb, NULL, &action, NULL);
+ if (is_container(handle))
+ acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
+ container_notify_cb, NULL);
- return (0);
+ return AE_OK;
}
-static void __exit acpi_container_exit(void)
+void __init acpi_container_init(void)
{
- int action = UNINSTALL_NOTIFY_HANDLER;
+ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+ acpi_container_register_notify_handler, NULL,
+ NULL, NULL);
-
- acpi_walk_namespace(ACPI_TYPE_DEVICE,
- ACPI_ROOT_OBJECT,
- ACPI_UINT32_MAX,
- container_walk_namespace_cb, NULL, &action, NULL);
-
- acpi_bus_unregister_driver(&acpi_container_driver);
-
- return;
+ acpi_scan_add_handler(&container_device_handler);
}
-
-module_init(acpi_container_init);
-module_exit(acpi_container_exit);
diff --git a/drivers/acpi/csrt.c b/drivers/acpi/csrt.c
new file mode 100644
index 00000000000..5c15a91faf0
--- /dev/null
+++ b/drivers/acpi/csrt.c
@@ -0,0 +1,159 @@
+/*
+ * Support for Core System Resources Table (CSRT)
+ *
+ * Copyright (C) 2013, Intel Corporation
+ * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#define pr_fmt(fmt) "ACPI: CSRT: " fmt
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/sizes.h>
+
+ACPI_MODULE_NAME("CSRT");
+
+static int __init acpi_csrt_parse_shared_info(struct platform_device *pdev,
+ const struct acpi_csrt_group *grp)
+{
+ const struct acpi_csrt_shared_info *si;
+ struct resource res[3];
+ size_t nres;
+ int ret;
+
+ memset(res, 0, sizeof(res));
+ nres = 0;
+
+ si = (const struct acpi_csrt_shared_info *)&grp[1];
+ /*
+ * The peripherals that are listed on CSRT typically support only
+ * 32-bit addresses so we only use the low part of MMIO base for
+ * now.
+ */
+ if (!si->mmio_base_high && si->mmio_base_low) {
+ /*
+ * There is no size of the memory resource in shared_info
+ * so we assume that it is 4k here.
+ */
+ res[nres].start = si->mmio_base_low;
+ res[nres].end = res[0].start + SZ_4K - 1;
+ res[nres++].flags = IORESOURCE_MEM;
+ }
+
+ if (si->gsi_interrupt) {
+ int irq = acpi_register_gsi(NULL, si->gsi_interrupt,
+ si->interrupt_mode,
+ si->interrupt_polarity);
+ res[nres].start = irq;
+ res[nres].end = irq;
+ res[nres++].flags = IORESOURCE_IRQ;
+ }
+
+ if (si->base_request_line || si->num_handshake_signals) {
+ /*
+ * We pass the driver a DMA resource describing the range
+ * of request lines the device supports.
+ */
+ res[nres].start = si->base_request_line;
+ res[nres].end = res[nres].start + si->num_handshake_signals - 1;
+ res[nres++].flags = IORESOURCE_DMA;
+ }
+
+ ret = platform_device_add_resources(pdev, res, nres);
+ if (ret) {
+ if (si->gsi_interrupt)
+ acpi_unregister_gsi(si->gsi_interrupt);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int __init
+acpi_csrt_parse_resource_group(const struct acpi_csrt_group *grp)
+{
+ struct platform_device *pdev;
+ char vendor[5], name[16];
+ int ret, i;
+
+ vendor[0] = grp->vendor_id;
+ vendor[1] = grp->vendor_id >> 8;
+ vendor[2] = grp->vendor_id >> 16;
+ vendor[3] = grp->vendor_id >> 24;
+ vendor[4] = '\0';
+
+ if (grp->shared_info_length != sizeof(struct acpi_csrt_shared_info))
+ return -ENODEV;
+
+ snprintf(name, sizeof(name), "%s%04X", vendor, grp->device_id);
+ pdev = platform_device_alloc(name, PLATFORM_DEVID_AUTO);
+ if (!pdev)
+ return -ENOMEM;
+
+ /* Add resources based on the shared info */
+ ret = acpi_csrt_parse_shared_info(pdev, grp);
+ if (ret)
+ goto fail;
+
+ ret = platform_device_add(pdev);
+ if (ret)
+ goto fail;
+
+ for (i = 0; i < pdev->num_resources; i++)
+ dev_dbg(&pdev->dev, "%pR\n", &pdev->resource[i]);
+
+ return 0;
+
+fail:
+ platform_device_put(pdev);
+ return ret;
+}
+
+/*
+ * CSRT or Core System Resources Table is a proprietary ACPI table
+ * introduced by Microsoft. This table can contain devices that are not in
+ * the system DSDT table. In particular DMA controllers might be described
+ * here.
+ *
+ * We present these devices as normal platform devices that don't have ACPI
+ * IDs or handle. The platform device name will be something like
+ * <VENDOR><DEVID>.<n>.auto for example: INTL9C06.0.auto.
+ */
+void __init acpi_csrt_init(void)
+{
+ struct acpi_csrt_group *grp, *end;
+ struct acpi_table_csrt *csrt;
+ acpi_status status;
+ int ret;
+
+ status = acpi_get_table(ACPI_SIG_CSRT, 0,
+ (struct acpi_table_header **)&csrt);
+ if (ACPI_FAILURE(status)) {
+ if (status != AE_NOT_FOUND)
+ pr_warn("failed to get the CSRT table\n");
+ return;
+ }
+
+ pr_debug("parsing CSRT table for devices\n");
+
+ grp = (struct acpi_csrt_group *)(csrt + 1);
+ end = (struct acpi_csrt_group *)((void *)csrt + csrt->header.length);
+
+ while (grp < end) {
+ ret = acpi_csrt_parse_resource_group(grp);
+ if (ret) {
+ pr_warn("error in parsing resource group: %d\n", ret);
+ return;
+ }
+
+ grp = (struct acpi_csrt_group *)((void *)grp + grp->length);
+ }
+}
diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c
index 5d42c2414ae..6adfc706a1d 100644
--- a/drivers/acpi/custom_method.c
+++ b/drivers/acpi/custom_method.c
@@ -1,5 +1,5 @@
/*
- * debugfs.c - ACPI debugfs interface to userspace.
+ * custom_method.c - debugfs interface for customizing ACPI control method
*/
#include <linux/init.h>
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index c6ff606c6d5..dd314ef9bff 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -30,6 +30,12 @@
#include <acpi/acpi.h>
#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+
+#include "internal.h"
+
+#define _COMPONENT ACPI_POWER_COMPONENT
+ACPI_MODULE_NAME("device_pm");
static DEFINE_MUTEX(acpi_pm_notifier_lock);
@@ -94,6 +100,293 @@ acpi_status acpi_remove_pm_notifier(struct acpi_device *adev,
}
/**
+ * acpi_power_state_string - String representation of ACPI device power state.
+ * @state: ACPI device power state to return the string representation of.
+ */
+const char *acpi_power_state_string(int state)
+{
+ switch (state) {
+ case ACPI_STATE_D0:
+ return "D0";
+ case ACPI_STATE_D1:
+ return "D1";
+ case ACPI_STATE_D2:
+ return "D2";
+ case ACPI_STATE_D3_HOT:
+ return "D3hot";
+ case ACPI_STATE_D3_COLD:
+ return "D3cold";
+ default:
+ return "(unknown)";
+ }
+}
+
+/**
+ * acpi_device_get_power - Get power state of an ACPI device.
+ * @device: Device to get the power state of.
+ * @state: Place to store the power state of the device.
+ *
+ * This function does not update the device's power.state field, but it may
+ * update its parent's power.state field (when the parent's power state is
+ * unknown and the device's power state turns out to be D0).
+ */
+int acpi_device_get_power(struct acpi_device *device, int *state)
+{
+ int result = ACPI_STATE_UNKNOWN;
+
+ if (!device || !state)
+ return -EINVAL;
+
+ if (!device->flags.power_manageable) {
+ /* TBD: Non-recursive algorithm for walking up hierarchy. */
+ *state = device->parent ?
+ device->parent->power.state : ACPI_STATE_D0;
+ goto out;
+ }
+
+ /*
+ * Get the device's power state either directly (via _PSC) or
+ * indirectly (via power resources).
+ */
+ if (device->power.flags.explicit_get) {
+ unsigned long long psc;
+ acpi_status status = acpi_evaluate_integer(device->handle,
+ "_PSC", NULL, &psc);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+
+ result = psc;
+ }
+ /* The test below covers ACPI_STATE_UNKNOWN too. */
+ if (result <= ACPI_STATE_D2) {
+ ; /* Do nothing. */
+ } else if (device->power.flags.power_resources) {
+ int error = acpi_power_get_inferred_state(device, &result);
+ if (error)
+ return error;
+ } else if (result == ACPI_STATE_D3_HOT) {
+ result = ACPI_STATE_D3;
+ }
+
+ /*
+ * If we were unsure about the device parent's power state up to this
+ * point, the fact that the device is in D0 implies that the parent has
+ * to be in D0 too.
+ */
+ if (device->parent && device->parent->power.state == ACPI_STATE_UNKNOWN
+ && result == ACPI_STATE_D0)
+ device->parent->power.state = ACPI_STATE_D0;
+
+ *state = result;
+
+ out:
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] power state is %s\n",
+ device->pnp.bus_id, acpi_power_state_string(*state)));
+
+ return 0;
+}
+
+static int acpi_dev_pm_explicit_set(struct acpi_device *adev, int state)
+{
+ if (adev->power.states[state].flags.explicit_set) {
+ char method[5] = { '_', 'P', 'S', '0' + state, '\0' };
+ acpi_status status;
+
+ status = acpi_evaluate_object(adev->handle, method, NULL, NULL);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+ }
+ return 0;
+}
+
+/**
+ * acpi_device_set_power - Set power state of an ACPI device.
+ * @device: Device to set the power state of.
+ * @state: New power state to set.
+ *
+ * Callers must ensure that the device is power manageable before using this
+ * function.
+ */
+int acpi_device_set_power(struct acpi_device *device, int state)
+{
+ int result = 0;
+ bool cut_power = false;
+
+ if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3_COLD))
+ return -EINVAL;
+
+ /* Make sure this is a valid target state */
+
+ if (state == device->power.state) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at %s\n",
+ acpi_power_state_string(state)));
+ return 0;
+ }
+
+ if (!device->power.states[state].flags.valid) {
+ printk(KERN_WARNING PREFIX "Device does not support %s\n",
+ acpi_power_state_string(state));
+ return -ENODEV;
+ }
+ if (device->parent && (state < device->parent->power.state)) {
+ printk(KERN_WARNING PREFIX
+ "Cannot set device to a higher-powered"
+ " state than parent\n");
+ return -ENODEV;
+ }
+
+ /* For D3cold we should first transition into D3hot. */
+ if (state == ACPI_STATE_D3_COLD
+ && device->power.states[ACPI_STATE_D3_COLD].flags.os_accessible) {
+ state = ACPI_STATE_D3_HOT;
+ cut_power = true;
+ }
+
+ if (state < device->power.state && state != ACPI_STATE_D0
+ && device->power.state >= ACPI_STATE_D3_HOT) {
+ printk(KERN_WARNING PREFIX
+ "Cannot transition to non-D0 state from D3\n");
+ return -ENODEV;
+ }
+
+ /*
+ * Transition Power
+ * ----------------
+ * In accordance with the ACPI specification first apply power (via
+ * power resources) and then evalute _PSx.
+ */
+ if (device->power.flags.power_resources) {
+ result = acpi_power_transition(device, state);
+ if (result)
+ goto end;
+ }
+ result = acpi_dev_pm_explicit_set(device, state);
+ if (result)
+ goto end;
+
+ if (cut_power) {
+ device->power.state = state;
+ state = ACPI_STATE_D3_COLD;
+ result = acpi_power_transition(device, state);
+ }
+
+ end:
+ if (result) {
+ printk(KERN_WARNING PREFIX
+ "Device [%s] failed to transition to %s\n",
+ device->pnp.bus_id,
+ acpi_power_state_string(state));
+ } else {
+ device->power.state = state;
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Device [%s] transitioned to %s\n",
+ device->pnp.bus_id,
+ acpi_power_state_string(state)));
+ }
+
+ return result;
+}
+EXPORT_SYMBOL(acpi_device_set_power);
+
+int acpi_bus_set_power(acpi_handle handle, int state)
+{
+ struct acpi_device *device;
+ int result;
+
+ result = acpi_bus_get_device(handle, &device);
+ if (result)
+ return result;
+
+ if (!device->flags.power_manageable) {
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Device [%s] is not power manageable\n",
+ dev_name(&device->dev)));
+ return -ENODEV;
+ }
+
+ return acpi_device_set_power(device, state);
+}
+EXPORT_SYMBOL(acpi_bus_set_power);
+
+int acpi_bus_init_power(struct acpi_device *device)
+{
+ int state;
+ int result;
+
+ if (!device)
+ return -EINVAL;
+
+ device->power.state = ACPI_STATE_UNKNOWN;
+
+ result = acpi_device_get_power(device, &state);
+ if (result)
+ return result;
+
+ if (state < ACPI_STATE_D3_COLD && device->power.flags.power_resources) {
+ result = acpi_power_on_resources(device, state);
+ if (result)
+ return result;
+
+ result = acpi_dev_pm_explicit_set(device, state);
+ if (result)
+ return result;
+ } else if (state == ACPI_STATE_UNKNOWN) {
+ /* No power resources and missing _PSC? Try to force D0. */
+ state = ACPI_STATE_D0;
+ result = acpi_dev_pm_explicit_set(device, state);
+ if (result)
+ return result;
+ }
+ device->power.state = state;
+ return 0;
+}
+
+int acpi_bus_update_power(acpi_handle handle, int *state_p)
+{
+ struct acpi_device *device;
+ int state;
+ int result;
+
+ result = acpi_bus_get_device(handle, &device);
+ if (result)
+ return result;
+
+ result = acpi_device_get_power(device, &state);
+ if (result)
+ return result;
+
+ if (state == ACPI_STATE_UNKNOWN)
+ state = ACPI_STATE_D0;
+
+ result = acpi_device_set_power(device, state);
+ if (!result && state_p)
+ *state_p = state;
+
+ return result;
+}
+EXPORT_SYMBOL_GPL(acpi_bus_update_power);
+
+bool acpi_bus_power_manageable(acpi_handle handle)
+{
+ struct acpi_device *device;
+ int result;
+
+ result = acpi_bus_get_device(handle, &device);
+ return result ? false : device->flags.power_manageable;
+}
+EXPORT_SYMBOL(acpi_bus_power_manageable);
+
+bool acpi_bus_can_wakeup(acpi_handle handle)
+{
+ struct acpi_device *device;
+ int result;
+
+ result = acpi_bus_get_device(handle, &device);
+ return result ? false : device->wakeup.flags.valid;
+}
+EXPORT_SYMBOL(acpi_bus_can_wakeup);
+
+/**
* acpi_device_power_state - Get preferred power state of ACPI device.
* @dev: Device whose preferred target power state to return.
* @adev: ACPI device node corresponding to @dev.
@@ -213,7 +506,7 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in)
acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
struct acpi_device *adev;
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
+ if (!handle || acpi_bus_get_device(handle, &adev)) {
dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
return -ENODEV;
}
@@ -290,7 +583,7 @@ int acpi_pm_device_run_wake(struct device *phys_dev, bool enable)
return -EINVAL;
handle = DEVICE_ACPI_HANDLE(phys_dev);
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
+ if (!handle || acpi_bus_get_device(handle, &adev)) {
dev_dbg(phys_dev, "ACPI handle without context in %s!\n",
__func__);
return -ENODEV;
@@ -304,7 +597,7 @@ static inline void acpi_wakeup_device(acpi_handle handle, u32 event,
void *context) {}
#endif /* CONFIG_PM_RUNTIME */
- #ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM_SLEEP
/**
* __acpi_device_sleep_wake - Enable or disable device to wake up the system.
* @dev: Device to enable/desible to wake up the system.
@@ -334,7 +627,7 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
return -EINVAL;
handle = DEVICE_ACPI_HANDLE(dev);
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
+ if (!handle || acpi_bus_get_device(handle, &adev)) {
dev_dbg(dev, "ACPI handle without context in %s!\n", __func__);
return -ENODEV;
}
@@ -353,7 +646,7 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
* acpi_dev_pm_get_node - Get ACPI device node for the given physical device.
* @dev: Device to get the ACPI node for.
*/
-static struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
+struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
{
acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
struct acpi_device *adev;
@@ -665,3 +958,59 @@ void acpi_dev_pm_detach(struct device *dev, bool power_off)
}
}
EXPORT_SYMBOL_GPL(acpi_dev_pm_detach);
+
+/**
+ * acpi_dev_pm_add_dependent - Add physical device depending for PM.
+ * @handle: Handle of ACPI device node.
+ * @depdev: Device depending on that node for PM.
+ */
+void acpi_dev_pm_add_dependent(acpi_handle handle, struct device *depdev)
+{
+ struct acpi_device_physical_node *dep;
+ struct acpi_device *adev;
+
+ if (!depdev || acpi_bus_get_device(handle, &adev))
+ return;
+
+ mutex_lock(&adev->physical_node_lock);
+
+ list_for_each_entry(dep, &adev->power_dependent, node)
+ if (dep->dev == depdev)
+ goto out;
+
+ dep = kzalloc(sizeof(*dep), GFP_KERNEL);
+ if (dep) {
+ dep->dev = depdev;
+ list_add_tail(&dep->node, &adev->power_dependent);
+ }
+
+ out:
+ mutex_unlock(&adev->physical_node_lock);
+}
+EXPORT_SYMBOL_GPL(acpi_dev_pm_add_dependent);
+
+/**
+ * acpi_dev_pm_remove_dependent - Remove physical device depending for PM.
+ * @handle: Handle of ACPI device node.
+ * @depdev: Device depending on that node for PM.
+ */
+void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev)
+{
+ struct acpi_device_physical_node *dep;
+ struct acpi_device *adev;
+
+ if (!depdev || acpi_bus_get_device(handle, &adev))
+ return;
+
+ mutex_lock(&adev->physical_node_lock);
+
+ list_for_each_entry(dep, &adev->power_dependent, node)
+ if (dep->dev == depdev) {
+ list_del(&dep->node);
+ kfree(dep);
+ break;
+ }
+
+ mutex_unlock(&adev->physical_node_lock);
+}
+EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent);
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index f32bd47b35e..4fdea381ef2 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -310,8 +310,6 @@ static int dock_present(struct dock_station *ds)
static struct acpi_device * dock_create_acpi_device(acpi_handle handle)
{
struct acpi_device *device;
- struct acpi_device *parent_device;
- acpi_handle parent;
int ret;
if (acpi_bus_get_device(handle, &device)) {
@@ -319,16 +317,11 @@ static struct acpi_device * dock_create_acpi_device(acpi_handle handle)
* no device created for this object,
* so we should create one.
*/
- acpi_get_parent(handle, &parent);
- if (acpi_bus_get_device(parent, &parent_device))
- parent_device = NULL;
-
- ret = acpi_bus_add(&device, parent_device, handle,
- ACPI_BUS_TYPE_DEVICE);
- if (ret) {
+ ret = acpi_bus_scan(handle);
+ if (ret)
pr_debug("error adding bus, %x\n", -ret);
- return NULL;
- }
+
+ acpi_bus_get_device(handle, &device);
}
return device;
}
@@ -343,13 +336,9 @@ static struct acpi_device * dock_create_acpi_device(acpi_handle handle)
static void dock_remove_acpi_device(acpi_handle handle)
{
struct acpi_device *device;
- int ret;
- if (!acpi_bus_get_device(handle, &device)) {
- ret = acpi_bus_trim(device, 1);
- if (ret)
- pr_debug("error removing bus, %x\n", -ret);
- }
+ if (!acpi_bus_get_device(handle, &device))
+ acpi_bus_trim(device);
}
/**
@@ -755,7 +744,9 @@ static void acpi_dock_deferred_cb(void *context)
{
struct dock_data *data = context;
+ acpi_scan_lock_acquire();
dock_notify(data->handle, data->event, data->ds);
+ acpi_scan_lock_release();
kfree(data);
}
@@ -768,20 +759,31 @@ static int acpi_dock_notifier_call(struct notifier_block *this,
if (event != ACPI_NOTIFY_BUS_CHECK && event != ACPI_NOTIFY_DEVICE_CHECK
&& event != ACPI_NOTIFY_EJECT_REQUEST)
return 0;
+
+ acpi_scan_lock_acquire();
+
list_for_each_entry(dock_station, &dock_stations, sibling) {
if (dock_station->handle == handle) {
struct dock_data *dd;
+ acpi_status status;
dd = kmalloc(sizeof(*dd), GFP_KERNEL);
if (!dd)
- return 0;
+ break;
+
dd->handle = handle;
dd->event = event;
dd->ds = dock_station;
- acpi_os_hotplug_execute(acpi_dock_deferred_cb, dd);
- return 0 ;
+ status = acpi_os_hotplug_execute(acpi_dock_deferred_cb,
+ dd);
+ if (ACPI_FAILURE(status))
+ kfree(dd);
+
+ break;
}
}
+
+ acpi_scan_lock_release();
return 0;
}
@@ -836,7 +838,7 @@ static ssize_t show_docked(struct device *dev,
struct dock_station *dock_station = dev->platform_data;
- if (ACPI_SUCCESS(acpi_bus_get_device(dock_station->handle, &tmp)))
+ if (!acpi_bus_get_device(dock_station->handle, &tmp))
return snprintf(buf, PAGE_SIZE, "1\n");
return snprintf(buf, PAGE_SIZE, "0\n");
}
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 354007d490d..d45b2871d33 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -852,7 +852,7 @@ static int acpi_ec_add(struct acpi_device *device)
return ret;
}
-static int acpi_ec_remove(struct acpi_device *device, int type)
+static int acpi_ec_remove(struct acpi_device *device)
{
struct acpi_ec *ec;
struct acpi_ec_query_handler *handler, *tmp;
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 3bd6a54702d..f815da82c76 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -45,7 +45,7 @@ MODULE_DESCRIPTION("ACPI Fan Driver");
MODULE_LICENSE("GPL");
static int acpi_fan_add(struct acpi_device *device);
-static int acpi_fan_remove(struct acpi_device *device, int type);
+static int acpi_fan_remove(struct acpi_device *device);
static const struct acpi_device_id fan_device_ids[] = {
{"PNP0C0B", 0},
@@ -172,7 +172,7 @@ static int acpi_fan_add(struct acpi_device *device)
return result;
}
-static int acpi_fan_remove(struct acpi_device *device, int type)
+static int acpi_fan_remove(struct acpi_device *device)
{
struct thermal_cooling_device *cdev = acpi_driver_data(device);
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 35da1811321..ef6f155469b 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -68,6 +68,9 @@ static struct acpi_bus_type *acpi_get_bus_type(struct bus_type *type)
{
struct acpi_bus_type *tmp, *ret = NULL;
+ if (!type)
+ return NULL;
+
down_read(&bus_type_sem);
list_for_each_entry(tmp, &bus_type_list, list) {
if (tmp->bus == type) {
@@ -95,40 +98,31 @@ static int acpi_find_bridge_device(struct device *dev, acpi_handle * handle)
return ret;
}
-/* Get device's handler per its address under its parent */
-struct acpi_find_child {
- acpi_handle handle;
- u64 address;
-};
-
-static acpi_status
-do_acpi_find_child(acpi_handle handle, u32 lvl, void *context, void **rv)
+static acpi_status do_acpi_find_child(acpi_handle handle, u32 lvl_not_used,
+ void *addr_p, void **ret_p)
{
+ unsigned long long addr;
acpi_status status;
- struct acpi_device_info *info;
- struct acpi_find_child *find = context;
-
- status = acpi_get_object_info(handle, &info);
- if (ACPI_SUCCESS(status)) {
- if ((info->address == find->address)
- && (info->valid & ACPI_VALID_ADR))
- find->handle = handle;
- kfree(info);
+
+ status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &addr);
+ if (ACPI_SUCCESS(status) && addr == *((u64 *)addr_p)) {
+ *ret_p = handle;
+ return AE_CTRL_TERMINATE;
}
return AE_OK;
}
acpi_handle acpi_get_child(acpi_handle parent, u64 address)
{
- struct acpi_find_child find = { NULL, address };
+ void *ret = NULL;
if (!parent)
return NULL;
- acpi_walk_namespace(ACPI_TYPE_DEVICE, parent,
- 1, do_acpi_find_child, NULL, &find, NULL);
- return find.handle;
-}
+ acpi_walk_namespace(ACPI_TYPE_DEVICE, parent, 1, NULL,
+ do_acpi_find_child, &address, &ret);
+ return (acpi_handle)ret;
+}
EXPORT_SYMBOL(acpi_get_child);
static int acpi_bind_one(struct device *dev, acpi_handle handle)
@@ -269,28 +263,39 @@ static int acpi_platform_notify(struct device *dev)
{
struct acpi_bus_type *type;
acpi_handle handle;
- int ret = -EINVAL;
+ int ret;
ret = acpi_bind_one(dev, NULL);
- if (!ret)
- goto out;
-
- if (!dev->bus || !dev->parent) {
+ if (ret && (!dev->bus || !dev->parent)) {
/* bridge devices genernally haven't bus or parent */
ret = acpi_find_bridge_device(dev, &handle);
- goto end;
+ if (!ret) {
+ ret = acpi_bind_one(dev, handle);
+ if (ret)
+ goto out;
+ }
}
+
type = acpi_get_bus_type(dev->bus);
- if (!type) {
- DBG("No ACPI bus support for %s\n", dev_name(dev));
- ret = -EINVAL;
- goto end;
+ if (ret) {
+ if (!type || !type->find_device) {
+ DBG("No ACPI bus support for %s\n", dev_name(dev));
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = type->find_device(dev, &handle);
+ if (ret) {
+ DBG("Unable to get handle for %s\n", dev_name(dev));
+ goto out;
+ }
+ ret = acpi_bind_one(dev, handle);
+ if (ret)
+ goto out;
}
- if ((ret = type->find_device(dev, &handle)) != 0)
- DBG("Can't get handler for %s\n", dev_name(dev));
- end:
- if (!ret)
- acpi_bind_one(dev, handle);
+
+ if (type && type->setup)
+ type->setup(dev);
out:
#if ACPI_GLUE_DEBUG
@@ -309,6 +314,12 @@ static int acpi_platform_notify(struct device *dev)
static int acpi_platform_notify_remove(struct device *dev)
{
+ struct acpi_bus_type *type;
+
+ type = acpi_get_bus_type(dev->bus);
+ if (type && type->cleanup)
+ type->cleanup(dev);
+
acpi_unbind_one(dev);
return 0;
}
diff --git a/drivers/acpi/hed.c b/drivers/acpi/hed.c
index a0cc796932f..13b1d39d7cd 100644
--- a/drivers/acpi/hed.c
+++ b/drivers/acpi/hed.c
@@ -70,7 +70,7 @@ static int acpi_hed_add(struct acpi_device *device)
return 0;
}
-static int acpi_hed_remove(struct acpi_device *device, int type)
+static int acpi_hed_remove(struct acpi_device *device)
{
hed_handle = NULL;
return 0;
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 3c407cdc1ec..79092328cf0 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -25,7 +25,16 @@
int init_acpi_device_notify(void);
int acpi_scan_init(void);
+void acpi_pci_root_init(void);
+void acpi_pci_link_init(void);
+void acpi_platform_init(void);
int acpi_sysfs_init(void);
+void acpi_csrt_init(void);
+#ifdef CONFIG_ACPI_CONTAINER
+void acpi_container_init(void);
+#else
+static inline void acpi_container_init(void) {}
+#endif
#ifdef CONFIG_DEBUG_FS
extern struct dentry *acpi_debugfs_dir;
@@ -35,15 +44,33 @@ static inline void acpi_debugfs_init(void) { return; }
#endif
/* --------------------------------------------------------------------------
+ Device Node Initialization / Removal
+ -------------------------------------------------------------------------- */
+#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
+ ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
+
+int acpi_device_add(struct acpi_device *device,
+ void (*release)(struct device *));
+void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
+ int type, unsigned long long sta);
+void acpi_device_add_finalize(struct acpi_device *device);
+void acpi_free_ids(struct acpi_device *device);
+
+/* --------------------------------------------------------------------------
Power Resource
-------------------------------------------------------------------------- */
int acpi_power_init(void);
+void acpi_power_resources_list_free(struct list_head *list);
+int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
+ struct list_head *list);
+int acpi_add_power_resource(acpi_handle handle);
+void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
+int acpi_power_min_system_level(struct list_head *list);
int acpi_device_sleep_wake(struct acpi_device *dev,
int enable, int sleep_state, int dev_state);
int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
int acpi_power_on_resources(struct acpi_device *device, int state);
int acpi_power_transition(struct acpi_device *device, int state);
-int acpi_bus_init_power(struct acpi_device *device);
int acpi_wakeup_device_init(void);
void acpi_early_processor_set_pdc(void);
@@ -98,6 +125,4 @@ static inline void suspend_nvs_restore(void) {}
-------------------------------------------------------------------------- */
struct platform_device;
-struct platform_device *acpi_create_platform_device(struct acpi_device *adev);
-
#endif /* _ACPI_INTERNAL_H_ */
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index cb31298ca68..33e609f6358 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -116,14 +116,16 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
struct acpi_srat_mem_affinity *p =
(struct acpi_srat_mem_affinity *)header;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "SRAT Memory (0x%lx length 0x%lx) in proximity domain %d %s%s\n",
+ "SRAT Memory (0x%lx length 0x%lx) in proximity domain %d %s%s%s\n",
(unsigned long)p->base_address,
(unsigned long)p->length,
p->proximity_domain,
(p->flags & ACPI_SRAT_MEM_ENABLED)?
"enabled" : "disabled",
(p->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)?
- " hot-pluggable" : ""));
+ " hot-pluggable" : "",
+ (p->flags & ACPI_SRAT_MEM_NON_VOLATILE)?
+ " non-volatile" : ""));
}
#endif /* ACPI_DEBUG_OUTPUT */
break;
@@ -273,7 +275,7 @@ static int __init acpi_parse_srat(struct acpi_table_header *table)
static int __init
acpi_table_parse_srat(enum acpi_srat_type id,
- acpi_table_entry_handler handler, unsigned int max_entries)
+ acpi_tbl_entry_handler handler, unsigned int max_entries)
{
return acpi_table_parse_entries(ACPI_SIG_SRAT,
sizeof(struct acpi_table_srat), id,
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index bd22f8667ee..908b02d5da1 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -787,7 +787,7 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler,
acpi_irq_handler = handler;
acpi_irq_context = context;
- if (request_irq(irq, acpi_irq, IRQF_SHARED, "acpi", acpi_irq)) {
+ if (request_irq(irq, acpi_irq, IRQF_SHARED | IRQF_NO_SUSPEND, "acpi", acpi_irq)) {
printk(KERN_ERR PREFIX "SCI (IRQ%d) allocation failed\n", irq);
acpi_irq_handler = NULL;
return AE_NOT_ACQUIRED;
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
deleted file mode 100644
index a1dee29beed..00000000000
--- a/drivers/acpi/pci_bind.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * pci_bind.c - ACPI PCI Device Binding ($Revision: 2 $)
- *
- * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
- * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/pci-acpi.h>
-#include <linux/acpi.h>
-#include <linux/pm_runtime.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
-#define _COMPONENT ACPI_PCI_COMPONENT
-ACPI_MODULE_NAME("pci_bind");
-
-static int acpi_pci_unbind(struct acpi_device *device)
-{
- struct pci_dev *dev;
-
- dev = acpi_get_pci_dev(device->handle);
- if (!dev)
- goto out;
-
- device_set_run_wake(&dev->dev, false);
- pci_acpi_remove_pm_notifier(device);
- acpi_power_resource_unregister_device(&dev->dev, device->handle);
-
- if (!dev->subordinate)
- goto out;
-
- acpi_pci_irq_del_prt(pci_domain_nr(dev->bus), dev->subordinate->number);
-
- device->ops.bind = NULL;
- device->ops.unbind = NULL;
-
-out:
- pci_dev_put(dev);
- return 0;
-}
-
-static int acpi_pci_bind(struct acpi_device *device)
-{
- acpi_status status;
- acpi_handle handle;
- unsigned char bus;
- struct pci_dev *dev;
-
- dev = acpi_get_pci_dev(device->handle);
- if (!dev)
- return 0;
-
- pci_acpi_add_pm_notifier(device, dev);
- acpi_power_resource_register_device(&dev->dev, device->handle);
- if (device->wakeup.flags.run_wake)
- device_set_run_wake(&dev->dev, true);
-
- /*
- * Install the 'bind' function to facilitate callbacks for
- * children of the P2P bridge.
- */
- if (dev->subordinate) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Device %04x:%02x:%02x.%d is a PCI bridge\n",
- pci_domain_nr(dev->bus), dev->bus->number,
- PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)));
- device->ops.bind = acpi_pci_bind;
- device->ops.unbind = acpi_pci_unbind;
- }
-
- /*
- * Evaluate and parse _PRT, if exists. This code allows parsing of
- * _PRT objects within the scope of non-bridge devices. Note that
- * _PRTs within the scope of a PCI bridge assume the bridge's
- * subordinate bus number.
- *
- * TBD: Can _PRTs exist within the scope of non-bridge PCI devices?
- */
- status = acpi_get_handle(device->handle, METHOD_NAME__PRT, &handle);
- if (ACPI_FAILURE(status))
- goto out;
-
- if (dev->subordinate)
- bus = dev->subordinate->number;
- else
- bus = dev->bus->number;
-
- acpi_pci_irq_add_prt(device->handle, pci_domain_nr(dev->bus), bus);
-
-out:
- pci_dev_put(dev);
- return 0;
-}
-
-int acpi_pci_bind_root(struct acpi_device *device)
-{
- device->ops.bind = acpi_pci_bind;
- device->ops.unbind = acpi_pci_unbind;
-
- return 0;
-}
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index a12808259df..ab764ed34a5 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -53,23 +53,19 @@ ACPI_MODULE_NAME("pci_link");
#define ACPI_PCI_LINK_FILE_STATUS "state"
#define ACPI_PCI_LINK_MAX_POSSIBLE 16
-static int acpi_pci_link_add(struct acpi_device *device);
-static int acpi_pci_link_remove(struct acpi_device *device, int type);
+static int acpi_pci_link_add(struct acpi_device *device,
+ const struct acpi_device_id *not_used);
+static void acpi_pci_link_remove(struct acpi_device *device);
static const struct acpi_device_id link_device_ids[] = {
{"PNP0C0F", 0},
{"", 0},
};
-MODULE_DEVICE_TABLE(acpi, link_device_ids);
-static struct acpi_driver acpi_pci_link_driver = {
- .name = "pci_link",
- .class = ACPI_PCI_LINK_CLASS,
+static struct acpi_scan_handler pci_link_handler = {
.ids = link_device_ids,
- .ops = {
- .add = acpi_pci_link_add,
- .remove = acpi_pci_link_remove,
- },
+ .attach = acpi_pci_link_add,
+ .detach = acpi_pci_link_remove,
};
/*
@@ -692,7 +688,8 @@ int acpi_pci_link_free_irq(acpi_handle handle)
Driver Interface
-------------------------------------------------------------------------- */
-static int acpi_pci_link_add(struct acpi_device *device)
+static int acpi_pci_link_add(struct acpi_device *device,
+ const struct acpi_device_id *not_used)
{
int result;
struct acpi_pci_link *link;
@@ -746,7 +743,7 @@ static int acpi_pci_link_add(struct acpi_device *device)
if (result)
kfree(link);
- return result;
+ return result < 0 ? result : 1;
}
static int acpi_pci_link_resume(struct acpi_pci_link *link)
@@ -766,7 +763,7 @@ static void irqrouter_resume(void)
}
}
-static int acpi_pci_link_remove(struct acpi_device *device, int type)
+static void acpi_pci_link_remove(struct acpi_device *device)
{
struct acpi_pci_link *link;
@@ -777,7 +774,6 @@ static int acpi_pci_link_remove(struct acpi_device *device, int type)
mutex_unlock(&acpi_link_lock);
kfree(link);
- return 0;
}
/*
@@ -874,20 +870,10 @@ static struct syscore_ops irqrouter_syscore_ops = {
.resume = irqrouter_resume,
};
-static int __init irqrouter_init_ops(void)
-{
- if (!acpi_disabled && !acpi_noirq)
- register_syscore_ops(&irqrouter_syscore_ops);
-
- return 0;
-}
-
-device_initcall(irqrouter_init_ops);
-
-static int __init acpi_pci_link_init(void)
+void __init acpi_pci_link_init(void)
{
if (acpi_noirq)
- return 0;
+ return;
if (acpi_irq_balance == -1) {
/* no command line switch: enable balancing in IOAPIC mode */
@@ -896,11 +882,6 @@ static int __init acpi_pci_link_init(void)
else
acpi_irq_balance = 0;
}
-
- if (acpi_bus_register_driver(&acpi_pci_link_driver) < 0)
- return -ENODEV;
-
- return 0;
+ register_syscore_ops(&irqrouter_syscore_ops);
+ acpi_scan_add_handler(&pci_link_handler);
}
-
-subsys_initcall(acpi_pci_link_init);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 7928d4dc705..b3cc69c5caf 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -45,9 +45,9 @@
ACPI_MODULE_NAME("pci_root");
#define ACPI_PCI_ROOT_CLASS "pci_bridge"
#define ACPI_PCI_ROOT_DEVICE_NAME "PCI Root Bridge"
-static int acpi_pci_root_add(struct acpi_device *device);
-static int acpi_pci_root_remove(struct acpi_device *device, int type);
-static int acpi_pci_root_start(struct acpi_device *device);
+static int acpi_pci_root_add(struct acpi_device *device,
+ const struct acpi_device_id *not_used);
+static void acpi_pci_root_remove(struct acpi_device *device);
#define ACPI_PCIE_REQ_SUPPORT (OSC_EXT_PCI_CONFIG_SUPPORT \
| OSC_ACTIVE_STATE_PWR_SUPPORT \
@@ -58,17 +58,11 @@ static const struct acpi_device_id root_device_ids[] = {
{"PNP0A03", 0},
{"", 0},
};
-MODULE_DEVICE_TABLE(acpi, root_device_ids);
-static struct acpi_driver acpi_pci_root_driver = {
- .name = "pci_root",
- .class = ACPI_PCI_ROOT_CLASS,
+static struct acpi_scan_handler pci_root_handler = {
.ids = root_device_ids,
- .ops = {
- .add = acpi_pci_root_add,
- .remove = acpi_pci_root_remove,
- .start = acpi_pci_root_start,
- },
+ .attach = acpi_pci_root_add,
+ .detach = acpi_pci_root_remove,
};
/* Lock to protect both acpi_pci_roots and acpi_pci_drivers lists */
@@ -188,21 +182,6 @@ static acpi_status try_get_root_bridge_busnr(acpi_handle handle,
return AE_OK;
}
-static void acpi_pci_bridge_scan(struct acpi_device *device)
-{
- int status;
- struct acpi_device *child = NULL;
-
- if (device->flags.bus_address)
- if (device->parent && device->parent->ops.bind) {
- status = device->parent->ops.bind(device);
- if (!status) {
- list_for_each_entry(child, &device->children, node)
- acpi_pci_bridge_scan(child);
- }
- }
-}
-
static u8 pci_osc_uuid_str[] = "33DB4D5B-1FF7-401C-9657-7441C03DD766";
static acpi_status acpi_pci_run_osc(acpi_handle handle,
@@ -445,14 +424,15 @@ out:
}
EXPORT_SYMBOL(acpi_pci_osc_control_set);
-static int acpi_pci_root_add(struct acpi_device *device)
+static int acpi_pci_root_add(struct acpi_device *device,
+ const struct acpi_device_id *not_used)
{
unsigned long long segment, bus;
acpi_status status;
int result;
struct acpi_pci_root *root;
acpi_handle handle;
- struct acpi_device *child;
+ struct acpi_pci_driver *driver;
u32 flags, base_flags;
bool is_osc_granted = false;
@@ -603,21 +583,6 @@ static int acpi_pci_root_add(struct acpi_device *device)
goto out_del_root;
}
- /*
- * Attach ACPI-PCI Context
- * -----------------------
- * Thus binding the ACPI and PCI devices.
- */
- result = acpi_pci_bind_root(device);
- if (result)
- goto out_del_root;
-
- /*
- * Scan and bind all _ADR-Based Devices
- */
- list_for_each_entry(child, &device->children, node)
- acpi_pci_bridge_scan(child);
-
/* ASPM setting */
if (is_osc_granted) {
if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM)
@@ -632,24 +597,6 @@ static int acpi_pci_root_add(struct acpi_device *device)
if (device->wakeup.flags.run_wake)
device_set_run_wake(root->bus->bridge, true);
- return 0;
-
-out_del_root:
- mutex_lock(&acpi_pci_root_lock);
- list_del(&root->node);
- mutex_unlock(&acpi_pci_root_lock);
-
- acpi_pci_irq_del_prt(root->segment, root->secondary.start);
-end:
- kfree(root);
- return result;
-}
-
-static int acpi_pci_root_start(struct acpi_device *device)
-{
- struct acpi_pci_root *root = acpi_driver_data(device);
- struct acpi_pci_driver *driver;
-
if (system_state != SYSTEM_BOOTING)
pci_assign_unassigned_bus_resources(root->bus);
@@ -664,11 +611,20 @@ static int acpi_pci_root_start(struct acpi_device *device)
pci_enable_bridges(root->bus);
pci_bus_add_devices(root->bus);
+ return 1;
- return 0;
+out_del_root:
+ mutex_lock(&acpi_pci_root_lock);
+ list_del(&root->node);
+ mutex_unlock(&acpi_pci_root_lock);
+
+ acpi_pci_irq_del_prt(root->segment, root->secondary.start);
+end:
+ kfree(root);
+ return result;
}
-static int acpi_pci_root_remove(struct acpi_device *device, int type)
+static void acpi_pci_root_remove(struct acpi_device *device)
{
acpi_status status;
acpi_handle handle;
@@ -696,21 +652,14 @@ static int acpi_pci_root_remove(struct acpi_device *device, int type)
list_del(&root->node);
mutex_unlock(&acpi_pci_root_lock);
kfree(root);
- return 0;
}
-static int __init acpi_pci_root_init(void)
+void __init acpi_pci_root_init(void)
{
acpi_hest_init();
- if (acpi_pci_disabled)
- return 0;
-
- pci_acpi_crs_quirks();
- if (acpi_bus_register_driver(&acpi_pci_root_driver) < 0)
- return -ENODEV;
-
- return 0;
+ if (!acpi_pci_disabled) {
+ pci_acpi_crs_quirks();
+ acpi_scan_add_handler(&pci_root_handler);
+ }
}
-
-subsys_initcall(acpi_pci_root_init);
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c
index d22585f21ae..2c630c006c2 100644
--- a/drivers/acpi/pci_slot.c
+++ b/drivers/acpi/pci_slot.c
@@ -50,13 +50,12 @@ module_param(debug, bool, 0644);
ACPI_MODULE_NAME("pci_slot");
#define MY_NAME "pci_slot"
-#define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg)
+#define err(format, arg...) pr_err("%s: " format , MY_NAME , ## arg)
+#define info(format, arg...) pr_info("%s: " format , MY_NAME , ## arg)
#define dbg(format, arg...) \
do { \
if (debug) \
- printk(KERN_DEBUG "%s: " format, \
- MY_NAME , ## arg); \
+ pr_debug("%s: " format, MY_NAME , ## arg); \
} while (0)
#define SLOT_NAME_SIZE 21 /* Inspired by #define in acpiphp.h */
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 6e7b9d52381..b820528a5fa 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -41,6 +41,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/pm_runtime.h>
+#include <linux/sysfs.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include "sleep.h"
@@ -58,88 +59,121 @@ ACPI_MODULE_NAME("power");
#define ACPI_POWER_RESOURCE_STATE_ON 0x01
#define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF
-static int acpi_power_add(struct acpi_device *device);
-static int acpi_power_remove(struct acpi_device *device, int type);
-
-static const struct acpi_device_id power_device_ids[] = {
- {ACPI_POWER_HID, 0},
- {"", 0},
-};
-MODULE_DEVICE_TABLE(acpi, power_device_ids);
-
-#ifdef CONFIG_PM_SLEEP
-static int acpi_power_resume(struct device *dev);
-#endif
-static SIMPLE_DEV_PM_OPS(acpi_power_pm, NULL, acpi_power_resume);
-
-static struct acpi_driver acpi_power_driver = {
- .name = "power",
- .class = ACPI_POWER_CLASS,
- .ids = power_device_ids,
- .ops = {
- .add = acpi_power_add,
- .remove = acpi_power_remove,
- },
- .drv.pm = &acpi_power_pm,
-};
-
-/*
- * A power managed device
- * A device may rely on multiple power resources.
- * */
-struct acpi_power_managed_device {
- struct device *dev; /* The physical device */
- acpi_handle *handle;
-};
-
-struct acpi_power_resource_device {
- struct acpi_power_managed_device *device;
- struct acpi_power_resource_device *next;
+struct acpi_power_dependent_device {
+ struct list_head node;
+ struct acpi_device *adev;
+ struct work_struct work;
};
struct acpi_power_resource {
- struct acpi_device * device;
- acpi_bus_id name;
+ struct acpi_device device;
+ struct list_head list_node;
+ struct list_head dependent;
+ char *name;
u32 system_level;
u32 order;
unsigned int ref_count;
struct mutex resource_lock;
+};
- /* List of devices relying on this power resource */
- struct acpi_power_resource_device *devices;
- struct mutex devices_lock;
+struct acpi_power_resource_entry {
+ struct list_head node;
+ struct acpi_power_resource *resource;
};
-static struct list_head acpi_power_resource_list;
+static LIST_HEAD(acpi_power_resource_list);
+static DEFINE_MUTEX(power_resource_list_lock);
/* --------------------------------------------------------------------------
Power Resource Management
-------------------------------------------------------------------------- */
-static int
-acpi_power_get_context(acpi_handle handle,
- struct acpi_power_resource **resource)
+static inline
+struct acpi_power_resource *to_power_resource(struct acpi_device *device)
{
- int result = 0;
- struct acpi_device *device = NULL;
+ return container_of(device, struct acpi_power_resource, device);
+}
+
+static struct acpi_power_resource *acpi_power_get_context(acpi_handle handle)
+{
+ struct acpi_device *device;
+ if (acpi_bus_get_device(handle, &device))
+ return NULL;
- if (!resource)
- return -ENODEV;
+ return to_power_resource(device);
+}
- result = acpi_bus_get_device(handle, &device);
- if (result) {
- printk(KERN_WARNING PREFIX "Getting context [%p]\n", handle);
- return result;
- }
+static int acpi_power_resources_list_add(acpi_handle handle,
+ struct list_head *list)
+{
+ struct acpi_power_resource *resource = acpi_power_get_context(handle);
+ struct acpi_power_resource_entry *entry;
- *resource = acpi_driver_data(device);
- if (!*resource)
- return -ENODEV;
+ if (!resource || !list)
+ return -EINVAL;
+
+ entry = kzalloc(sizeof(*entry), GFP_KERNEL);
+ if (!entry)
+ return -ENOMEM;
+
+ entry->resource = resource;
+ if (!list_empty(list)) {
+ struct acpi_power_resource_entry *e;
+ list_for_each_entry(e, list, node)
+ if (e->resource->order > resource->order) {
+ list_add_tail(&entry->node, &e->node);
+ return 0;
+ }
+ }
+ list_add_tail(&entry->node, list);
return 0;
}
+void acpi_power_resources_list_free(struct list_head *list)
+{
+ struct acpi_power_resource_entry *entry, *e;
+
+ list_for_each_entry_safe(entry, e, list, node) {
+ list_del(&entry->node);
+ kfree(entry);
+ }
+}
+
+int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
+ struct list_head *list)
+{
+ unsigned int i;
+ int err = 0;
+
+ for (i = start; i < package->package.count; i++) {
+ union acpi_object *element = &package->package.elements[i];
+ acpi_handle rhandle;
+
+ if (element->type != ACPI_TYPE_LOCAL_REFERENCE) {
+ err = -ENODATA;
+ break;
+ }
+ rhandle = element->reference.handle;
+ if (!rhandle) {
+ err = -ENODEV;
+ break;
+ }
+ err = acpi_add_power_resource(rhandle);
+ if (err)
+ break;
+
+ err = acpi_power_resources_list_add(rhandle, list);
+ if (err)
+ break;
+ }
+ if (err)
+ acpi_power_resources_list_free(list);
+
+ return err;
+}
+
static int acpi_power_get_state(acpi_handle handle, int *state)
{
acpi_status status = AE_OK;
@@ -167,31 +201,23 @@ static int acpi_power_get_state(acpi_handle handle, int *state)
return 0;
}
-static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state)
+static int acpi_power_get_list_state(struct list_head *list, int *state)
{
+ struct acpi_power_resource_entry *entry;
int cur_state;
- int i = 0;
if (!list || !state)
return -EINVAL;
/* The state of the list is 'on' IFF all resources are 'on'. */
-
- for (i = 0; i < list->count; i++) {
- struct acpi_power_resource *resource;
- acpi_handle handle = list->handles[i];
+ list_for_each_entry(entry, list, node) {
+ struct acpi_power_resource *resource = entry->resource;
+ acpi_handle handle = resource->device.handle;
int result;
- result = acpi_power_get_context(handle, &resource);
- if (result)
- return result;
-
mutex_lock(&resource->resource_lock);
-
result = acpi_power_get_state(handle, &cur_state);
-
mutex_unlock(&resource->resource_lock);
-
if (result)
return result;
@@ -203,54 +229,52 @@ static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state)
cur_state ? "on" : "off"));
*state = cur_state;
-
return 0;
}
-/* Resume the device when all power resources in _PR0 are on */
-static void acpi_power_on_device(struct acpi_power_managed_device *device)
+static void acpi_power_resume_dependent(struct work_struct *work)
{
- struct acpi_device *acpi_dev;
- acpi_handle handle = device->handle;
+ struct acpi_power_dependent_device *dep;
+ struct acpi_device_physical_node *pn;
+ struct acpi_device *adev;
int state;
- if (acpi_bus_get_device(handle, &acpi_dev))
+ dep = container_of(work, struct acpi_power_dependent_device, work);
+ adev = dep->adev;
+ if (acpi_power_get_inferred_state(adev, &state))
return;
- if(acpi_power_get_inferred_state(acpi_dev, &state))
+ if (state > ACPI_STATE_D0)
return;
- if (state == ACPI_STATE_D0 && pm_runtime_suspended(device->dev))
- pm_request_resume(device->dev);
+ mutex_lock(&adev->physical_node_lock);
+
+ list_for_each_entry(pn, &adev->physical_node_list, node)
+ pm_request_resume(pn->dev);
+
+ list_for_each_entry(pn, &adev->power_dependent, node)
+ pm_request_resume(pn->dev);
+
+ mutex_unlock(&adev->physical_node_lock);
}
static int __acpi_power_on(struct acpi_power_resource *resource)
{
acpi_status status = AE_OK;
- status = acpi_evaluate_object(resource->device->handle, "_ON", NULL, NULL);
+ status = acpi_evaluate_object(resource->device.handle, "_ON", NULL, NULL);
if (ACPI_FAILURE(status))
return -ENODEV;
- /* Update the power resource's _device_ power state */
- resource->device->power.state = ACPI_STATE_D0;
-
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Power resource [%s] turned on\n",
resource->name));
return 0;
}
-static int acpi_power_on(acpi_handle handle)
+static int acpi_power_on(struct acpi_power_resource *resource)
{
- int result = 0;
- bool resume_device = false;
- struct acpi_power_resource *resource = NULL;
- struct acpi_power_resource_device *device_list;
-
- result = acpi_power_get_context(handle, &resource);
- if (result)
- return result;
+ int result = 0;;
mutex_lock(&resource->resource_lock);
@@ -260,39 +284,38 @@ static int acpi_power_on(acpi_handle handle)
resource->name));
} else {
result = __acpi_power_on(resource);
- if (result)
+ if (result) {
resource->ref_count--;
- else
- resume_device = true;
+ } else {
+ struct acpi_power_dependent_device *dep;
+
+ list_for_each_entry(dep, &resource->dependent, node)
+ schedule_work(&dep->work);
+ }
}
mutex_unlock(&resource->resource_lock);
- if (!resume_device)
- return result;
-
- mutex_lock(&resource->devices_lock);
+ return result;
+}
- device_list = resource->devices;
- while (device_list) {
- acpi_power_on_device(device_list->device);
- device_list = device_list->next;
- }
+static int __acpi_power_off(struct acpi_power_resource *resource)
+{
+ acpi_status status;
- mutex_unlock(&resource->devices_lock);
+ status = acpi_evaluate_object(resource->device.handle, "_OFF",
+ NULL, NULL);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
- return result;
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Power resource [%s] turned off\n",
+ resource->name));
+ return 0;
}
-static int acpi_power_off(acpi_handle handle)
+static int acpi_power_off(struct acpi_power_resource *resource)
{
int result = 0;
- acpi_status status = AE_OK;
- struct acpi_power_resource *resource = NULL;
-
- result = acpi_power_get_context(handle, &resource);
- if (result)
- return result;
mutex_lock(&resource->resource_lock);
@@ -307,19 +330,10 @@ static int acpi_power_off(acpi_handle handle)
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Power resource [%s] still in use\n",
resource->name));
- goto unlock;
- }
-
- status = acpi_evaluate_object(resource->device->handle, "_OFF", NULL, NULL);
- if (ACPI_FAILURE(status)) {
- result = -ENODEV;
} else {
- /* Update the power resource's _device_ power state */
- resource->device->power.state = ACPI_STATE_D3;
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Power resource [%s] turned off\n",
- resource->name));
+ result = __acpi_power_off(resource);
+ if (result)
+ resource->ref_count++;
}
unlock:
@@ -328,148 +342,202 @@ static int acpi_power_off(acpi_handle handle)
return result;
}
-static void __acpi_power_off_list(struct acpi_handle_list *list, int num_res)
+static int acpi_power_off_list(struct list_head *list)
{
- int i;
+ struct acpi_power_resource_entry *entry;
+ int result = 0;
- for (i = num_res - 1; i >= 0 ; i--)
- acpi_power_off(list->handles[i]);
-}
+ list_for_each_entry_reverse(entry, list, node) {
+ result = acpi_power_off(entry->resource);
+ if (result)
+ goto err;
+ }
+ return 0;
-static void acpi_power_off_list(struct acpi_handle_list *list)
-{
- __acpi_power_off_list(list, list->count);
+ err:
+ list_for_each_entry_continue(entry, list, node)
+ acpi_power_on(entry->resource);
+
+ return result;
}
-static int acpi_power_on_list(struct acpi_handle_list *list)
+static int acpi_power_on_list(struct list_head *list)
{
+ struct acpi_power_resource_entry *entry;
int result = 0;
- int i;
- for (i = 0; i < list->count; i++) {
- result = acpi_power_on(list->handles[i]);
- if (result) {
- __acpi_power_off_list(list, i);
- break;
- }
+ list_for_each_entry(entry, list, node) {
+ result = acpi_power_on(entry->resource);
+ if (result)
+ goto err;
}
+ return 0;
+
+ err:
+ list_for_each_entry_continue_reverse(entry, list, node)
+ acpi_power_off(entry->resource);
return result;
}
-static void __acpi_power_resource_unregister_device(struct device *dev,
- acpi_handle res_handle)
+static void acpi_power_add_dependent(struct acpi_power_resource *resource,
+ struct acpi_device *adev)
{
- struct acpi_power_resource *resource = NULL;
- struct acpi_power_resource_device *prev, *curr;
+ struct acpi_power_dependent_device *dep;
- if (acpi_power_get_context(res_handle, &resource))
- return;
+ mutex_lock(&resource->resource_lock);
+
+ list_for_each_entry(dep, &resource->dependent, node)
+ if (dep->adev == adev)
+ goto out;
+
+ dep = kzalloc(sizeof(*dep), GFP_KERNEL);
+ if (!dep)
+ goto out;
+
+ dep->adev = adev;
+ INIT_WORK(&dep->work, acpi_power_resume_dependent);
+ list_add_tail(&dep->node, &resource->dependent);
- mutex_lock(&resource->devices_lock);
- prev = NULL;
- curr = resource->devices;
- while (curr) {
- if (curr->device->dev == dev) {
- if (!prev)
- resource->devices = curr->next;
- else
- prev->next = curr->next;
-
- kfree(curr);
+ out:
+ mutex_unlock(&resource->resource_lock);
+}
+
+static void acpi_power_remove_dependent(struct acpi_power_resource *resource,
+ struct acpi_device *adev)
+{
+ struct acpi_power_dependent_device *dep;
+ struct work_struct *work = NULL;
+
+ mutex_lock(&resource->resource_lock);
+
+ list_for_each_entry(dep, &resource->dependent, node)
+ if (dep->adev == adev) {
+ list_del(&dep->node);
+ work = &dep->work;
break;
}
- prev = curr;
- curr = curr->next;
+ mutex_unlock(&resource->resource_lock);
+
+ if (work) {
+ cancel_work_sync(work);
+ kfree(dep);
}
- mutex_unlock(&resource->devices_lock);
}
-/* Unlink dev from all power resources in _PR0 */
-void acpi_power_resource_unregister_device(struct device *dev, acpi_handle handle)
-{
- struct acpi_device *acpi_dev;
- struct acpi_handle_list *list;
- int i;
+static struct attribute *attrs[] = {
+ NULL,
+};
- if (!dev || !handle)
- return;
+static struct attribute_group attr_groups[] = {
+ [ACPI_STATE_D0] = {
+ .name = "power_resources_D0",
+ .attrs = attrs,
+ },
+ [ACPI_STATE_D1] = {
+ .name = "power_resources_D1",
+ .attrs = attrs,
+ },
+ [ACPI_STATE_D2] = {
+ .name = "power_resources_D2",
+ .attrs = attrs,
+ },
+ [ACPI_STATE_D3_HOT] = {
+ .name = "power_resources_D3hot",
+ .attrs = attrs,
+ },
+};
- if (acpi_bus_get_device(handle, &acpi_dev))
+static void acpi_power_hide_list(struct acpi_device *adev, int state)
+{
+ struct acpi_device_power_state *ps = &adev->power.states[state];
+ struct acpi_power_resource_entry *entry;
+
+ if (list_empty(&ps->resources))
return;
- list = &acpi_dev->power.states[ACPI_STATE_D0].resources;
+ list_for_each_entry_reverse(entry, &ps->resources, node) {
+ struct acpi_device *res_dev = &entry->resource->device;
- for (i = 0; i < list->count; i++)
- __acpi_power_resource_unregister_device(dev,
- list->handles[i]);
+ sysfs_remove_link_from_group(&adev->dev.kobj,
+ attr_groups[state].name,
+ dev_name(&res_dev->dev));
+ }
+ sysfs_remove_group(&adev->dev.kobj, &attr_groups[state]);
}
-EXPORT_SYMBOL_GPL(acpi_power_resource_unregister_device);
-static int __acpi_power_resource_register_device(
- struct acpi_power_managed_device *powered_device, acpi_handle handle)
+static void acpi_power_expose_list(struct acpi_device *adev, int state)
{
- struct acpi_power_resource *resource = NULL;
- struct acpi_power_resource_device *power_resource_device;
- int result;
-
- result = acpi_power_get_context(handle, &resource);
- if (result)
- return result;
+ struct acpi_device_power_state *ps = &adev->power.states[state];
+ struct acpi_power_resource_entry *entry;
+ int ret;
- power_resource_device = kzalloc(
- sizeof(*power_resource_device), GFP_KERNEL);
- if (!power_resource_device)
- return -ENOMEM;
+ if (list_empty(&ps->resources))
+ return;
- power_resource_device->device = powered_device;
+ ret = sysfs_create_group(&adev->dev.kobj, &attr_groups[state]);
+ if (ret)
+ return;
- mutex_lock(&resource->devices_lock);
- power_resource_device->next = resource->devices;
- resource->devices = power_resource_device;
- mutex_unlock(&resource->devices_lock);
+ list_for_each_entry(entry, &ps->resources, node) {
+ struct acpi_device *res_dev = &entry->resource->device;
- return 0;
+ ret = sysfs_add_link_to_group(&adev->dev.kobj,
+ attr_groups[state].name,
+ &res_dev->dev.kobj,
+ dev_name(&res_dev->dev));
+ if (ret) {
+ acpi_power_hide_list(adev, state);
+ break;
+ }
+ }
}
-/* Link dev to all power resources in _PR0 */
-int acpi_power_resource_register_device(struct device *dev, acpi_handle handle)
+void acpi_power_add_remove_device(struct acpi_device *adev, bool add)
{
- struct acpi_device *acpi_dev;
- struct acpi_handle_list *list;
- struct acpi_power_managed_device *powered_device;
- int i, ret;
+ struct acpi_device_power_state *ps;
+ struct acpi_power_resource_entry *entry;
+ int state;
- if (!dev || !handle)
- return -ENODEV;
+ if (!adev->power.flags.power_resources)
+ return;
- ret = acpi_bus_get_device(handle, &acpi_dev);
- if (ret || !acpi_dev->power.flags.power_resources)
- return -ENODEV;
+ ps = &adev->power.states[ACPI_STATE_D0];
+ list_for_each_entry(entry, &ps->resources, node) {
+ struct acpi_power_resource *resource = entry->resource;
- powered_device = kzalloc(sizeof(*powered_device), GFP_KERNEL);
- if (!powered_device)
- return -ENOMEM;
+ if (add)
+ acpi_power_add_dependent(resource, adev);
+ else
+ acpi_power_remove_dependent(resource, adev);
+ }
- powered_device->dev = dev;
- powered_device->handle = handle;
+ for (state = ACPI_STATE_D0; state <= ACPI_STATE_D3_HOT; state++) {
+ if (add)
+ acpi_power_expose_list(adev, state);
+ else
+ acpi_power_hide_list(adev, state);
+ }
+}
- list = &acpi_dev->power.states[ACPI_STATE_D0].resources;
+int acpi_power_min_system_level(struct list_head *list)
+{
+ struct acpi_power_resource_entry *entry;
+ int system_level = 5;
- for (i = 0; i < list->count; i++) {
- ret = __acpi_power_resource_register_device(powered_device,
- list->handles[i]);
+ list_for_each_entry(entry, list, node) {
+ struct acpi_power_resource *resource = entry->resource;
- if (ret) {
- acpi_power_resource_unregister_device(dev, handle);
- break;
- }
+ if (system_level > resource->system_level)
+ system_level = resource->system_level;
}
-
- return ret;
+ return system_level;
}
-EXPORT_SYMBOL_GPL(acpi_power_resource_register_device);
+
+/* --------------------------------------------------------------------------
+ Device Power Management
+ -------------------------------------------------------------------------- */
/**
* acpi_device_sleep_wake - execute _DSW (Device Sleep Wake) or (deprecated in
@@ -542,7 +610,7 @@ int acpi_device_sleep_wake(struct acpi_device *dev,
*/
int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state)
{
- int i, err = 0;
+ int err = 0;
if (!dev || !dev->wakeup.flags.valid)
return -EINVAL;
@@ -552,24 +620,17 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state)
if (dev->wakeup.prepare_count++)
goto out;
- /* Open power resource */
- for (i = 0; i < dev->wakeup.resources.count; i++) {
- int ret = acpi_power_on(dev->wakeup.resources.handles[i]);
- if (ret) {
- printk(KERN_ERR PREFIX "Transition power state\n");
- dev->wakeup.flags.valid = 0;
- err = -ENODEV;
- goto err_out;
- }
+ err = acpi_power_on_list(&dev->wakeup.resources);
+ if (err) {
+ dev_err(&dev->dev, "Cannot turn wakeup power resources on\n");
+ dev->wakeup.flags.valid = 0;
+ } else {
+ /*
+ * Passing 3 as the third argument below means the device may be
+ * put into arbitrary power state afterward.
+ */
+ err = acpi_device_sleep_wake(dev, 1, sleep_state, 3);
}
-
- /*
- * Passing 3 as the third argument below means the device may be placed
- * in arbitrary power state afterwards.
- */
- err = acpi_device_sleep_wake(dev, 1, sleep_state, 3);
-
- err_out:
if (err)
dev->wakeup.prepare_count = 0;
@@ -586,7 +647,7 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state)
*/
int acpi_disable_wakeup_device_power(struct acpi_device *dev)
{
- int i, err = 0;
+ int err = 0;
if (!dev || !dev->wakeup.flags.valid)
return -EINVAL;
@@ -607,15 +668,10 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev)
if (err)
goto out;
- /* Close power resource */
- for (i = 0; i < dev->wakeup.resources.count; i++) {
- int ret = acpi_power_off(dev->wakeup.resources.handles[i]);
- if (ret) {
- printk(KERN_ERR PREFIX "Transition power state\n");
- dev->wakeup.flags.valid = 0;
- err = -ENODEV;
- goto out;
- }
+ err = acpi_power_off_list(&dev->wakeup.resources);
+ if (err) {
+ dev_err(&dev->dev, "Cannot turn wakeup power resources off\n");
+ dev->wakeup.flags.valid = 0;
}
out:
@@ -623,14 +679,9 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev)
return err;
}
-/* --------------------------------------------------------------------------
- Device Power Management
- -------------------------------------------------------------------------- */
-
int acpi_power_get_inferred_state(struct acpi_device *device, int *state)
{
int result = 0;
- struct acpi_handle_list *list = NULL;
int list_state = 0;
int i = 0;
@@ -642,8 +693,9 @@ int acpi_power_get_inferred_state(struct acpi_device *device, int *state)
* required for a given D-state are 'on'.
*/
for (i = ACPI_STATE_D0; i <= ACPI_STATE_D3_HOT; i++) {
- list = &device->power.states[i].resources;
- if (list->count < 1)
+ struct list_head *list = &device->power.states[i].resources;
+
+ if (list_empty(list))
continue;
result = acpi_power_get_list_state(list, &list_state);
@@ -662,7 +714,7 @@ int acpi_power_get_inferred_state(struct acpi_device *device, int *state)
int acpi_power_on_resources(struct acpi_device *device, int state)
{
- if (!device || state < ACPI_STATE_D0 || state > ACPI_STATE_D3)
+ if (!device || state < ACPI_STATE_D0 || state > ACPI_STATE_D3_HOT)
return -EINVAL;
return acpi_power_on_list(&device->power.states[state].resources);
@@ -675,7 +727,7 @@ int acpi_power_transition(struct acpi_device *device, int state)
if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3_COLD))
return -EINVAL;
- if (device->power.state == state)
+ if (device->power.state == state || !device->flags.power_manageable)
return 0;
if ((device->power.state < ACPI_STATE_D0)
@@ -703,118 +755,126 @@ int acpi_power_transition(struct acpi_device *device, int state)
return result;
}
-/* --------------------------------------------------------------------------
- Driver Interface
- -------------------------------------------------------------------------- */
+static void acpi_release_power_resource(struct device *dev)
+{
+ struct acpi_device *device = to_acpi_device(dev);
+ struct acpi_power_resource *resource;
+
+ resource = container_of(device, struct acpi_power_resource, device);
+
+ mutex_lock(&power_resource_list_lock);
+ list_del(&resource->list_node);
+ mutex_unlock(&power_resource_list_lock);
+
+ acpi_free_ids(device);
+ kfree(resource);
+}
-static int acpi_power_add(struct acpi_device *device)
+static ssize_t acpi_power_in_use_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf) {
+ struct acpi_power_resource *resource;
+
+ resource = to_power_resource(to_acpi_device(dev));
+ return sprintf(buf, "%u\n", !!resource->ref_count);
+}
+static DEVICE_ATTR(resource_in_use, 0444, acpi_power_in_use_show, NULL);
+
+static void acpi_power_sysfs_remove(struct acpi_device *device)
{
- int result = 0, state;
- acpi_status status = AE_OK;
- struct acpi_power_resource *resource = NULL;
+ device_remove_file(&device->dev, &dev_attr_resource_in_use);
+}
+
+int acpi_add_power_resource(acpi_handle handle)
+{
+ struct acpi_power_resource *resource;
+ struct acpi_device *device = NULL;
union acpi_object acpi_object;
struct acpi_buffer buffer = { sizeof(acpi_object), &acpi_object };
+ acpi_status status;
+ int state, result = -ENODEV;
+ acpi_bus_get_device(handle, &device);
+ if (device)
+ return 0;
- if (!device)
- return -EINVAL;
-
- resource = kzalloc(sizeof(struct acpi_power_resource), GFP_KERNEL);
+ resource = kzalloc(sizeof(*resource), GFP_KERNEL);
if (!resource)
return -ENOMEM;
- resource->device = device;
+ device = &resource->device;
+ acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER,
+ ACPI_STA_DEFAULT);
mutex_init(&resource->resource_lock);
- mutex_init(&resource->devices_lock);
- strcpy(resource->name, device->pnp.bus_id);
+ INIT_LIST_HEAD(&resource->dependent);
+ resource->name = device->pnp.bus_id;
strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_POWER_CLASS);
- device->driver_data = resource;
+ device->power.state = ACPI_STATE_UNKNOWN;
/* Evalute the object to get the system level and resource order. */
- status = acpi_evaluate_object(device->handle, NULL, NULL, &buffer);
- if (ACPI_FAILURE(status)) {
- result = -ENODEV;
- goto end;
- }
+ status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
+ if (ACPI_FAILURE(status))
+ goto err;
+
resource->system_level = acpi_object.power_resource.system_level;
resource->order = acpi_object.power_resource.resource_order;
- result = acpi_power_get_state(device->handle, &state);
+ result = acpi_power_get_state(handle, &state);
if (result)
- goto end;
-
- switch (state) {
- case ACPI_POWER_RESOURCE_STATE_ON:
- device->power.state = ACPI_STATE_D0;
- break;
- case ACPI_POWER_RESOURCE_STATE_OFF:
- device->power.state = ACPI_STATE_D3;
- break;
- default:
- device->power.state = ACPI_STATE_UNKNOWN;
- break;
- }
+ goto err;
printk(KERN_INFO PREFIX "%s [%s] (%s)\n", acpi_device_name(device),
acpi_device_bid(device), state ? "on" : "off");
- end:
+ device->flags.match_driver = true;
+ result = acpi_device_add(device, acpi_release_power_resource);
if (result)
- kfree(resource);
+ goto err;
- return result;
-}
-
-static int acpi_power_remove(struct acpi_device *device, int type)
-{
- struct acpi_power_resource *resource;
-
- if (!device)
- return -EINVAL;
-
- resource = acpi_driver_data(device);
- if (!resource)
- return -EINVAL;
-
- kfree(resource);
+ if (!device_create_file(&device->dev, &dev_attr_resource_in_use))
+ device->remove = acpi_power_sysfs_remove;
+ mutex_lock(&power_resource_list_lock);
+ list_add(&resource->list_node, &acpi_power_resource_list);
+ mutex_unlock(&power_resource_list_lock);
+ acpi_device_add_finalize(device);
return 0;
+
+ err:
+ acpi_release_power_resource(&device->dev);
+ return result;
}
-#ifdef CONFIG_PM_SLEEP
-static int acpi_power_resume(struct device *dev)
+#ifdef CONFIG_ACPI_SLEEP
+void acpi_resume_power_resources(void)
{
- int result = 0, state;
- struct acpi_device *device;
struct acpi_power_resource *resource;
- if (!dev)
- return -EINVAL;
+ mutex_lock(&power_resource_list_lock);
- device = to_acpi_device(dev);
- resource = acpi_driver_data(device);
- if (!resource)
- return -EINVAL;
+ list_for_each_entry(resource, &acpi_power_resource_list, list_node) {
+ int result, state;
- mutex_lock(&resource->resource_lock);
+ mutex_lock(&resource->resource_lock);
- result = acpi_power_get_state(device->handle, &state);
- if (result)
- goto unlock;
+ result = acpi_power_get_state(resource->device.handle, &state);
+ if (result)
+ continue;
- if (state == ACPI_POWER_RESOURCE_STATE_OFF && resource->ref_count)
- result = __acpi_power_on(resource);
+ if (state == ACPI_POWER_RESOURCE_STATE_OFF
+ && resource->ref_count) {
+ dev_info(&resource->device.dev, "Turning ON\n");
+ __acpi_power_on(resource);
+ } else if (state == ACPI_POWER_RESOURCE_STATE_ON
+ && !resource->ref_count) {
+ dev_info(&resource->device.dev, "Turning OFF\n");
+ __acpi_power_off(resource);
+ }
- unlock:
- mutex_unlock(&resource->resource_lock);
+ mutex_unlock(&resource->resource_lock);
+ }
- return result;
+ mutex_unlock(&power_resource_list_lock);
}
#endif
-
-int __init acpi_power_init(void)
-{
- INIT_LIST_HEAD(&acpi_power_resource_list);
- return acpi_bus_register_driver(&acpi_power_driver);
-}
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index ef98796b382..52ce76725c2 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -311,11 +311,12 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
dev->pnp.bus_id,
(u32) dev->wakeup.sleep_state);
- if (!dev->physical_node_count)
+ if (!dev->physical_node_count) {
seq_printf(seq, "%c%-8s\n",
- dev->wakeup.flags.run_wake ?
- '*' : ' ', "disabled");
- else {
+ dev->wakeup.flags.run_wake ? '*' : ' ',
+ device_may_wakeup(&dev->dev) ?
+ "enabled" : "disabled");
+ } else {
struct device *ldev;
list_for_each_entry(entry, &dev->physical_node_list,
node) {
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index e83311bf1eb..cbf1f122666 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -81,7 +81,7 @@ MODULE_DESCRIPTION("ACPI Processor Driver");
MODULE_LICENSE("GPL");
static int acpi_processor_add(struct acpi_device *device);
-static int acpi_processor_remove(struct acpi_device *device, int type);
+static int acpi_processor_remove(struct acpi_device *device);
static void acpi_processor_notify(struct acpi_device *device, u32 event);
static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr);
static int acpi_processor_handle_eject(struct acpi_processor *pr);
@@ -610,7 +610,7 @@ err_free_pr:
return result;
}
-static int acpi_processor_remove(struct acpi_device *device, int type)
+static int acpi_processor_remove(struct acpi_device *device)
{
struct acpi_processor *pr = NULL;
@@ -623,7 +623,7 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
if (pr->id >= nr_cpu_ids)
goto free;
- if (type == ACPI_BUS_REMOVAL_EJECT) {
+ if (device->removal_type == ACPI_BUS_REMOVAL_EJECT) {
if (acpi_processor_handle_eject(pr))
return -EINVAL;
}
@@ -677,36 +677,17 @@ static int is_processor_present(acpi_handle handle)
return 0;
}
-static
-int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
-{
- acpi_handle phandle;
- struct acpi_device *pdev;
-
-
- if (acpi_get_parent(handle, &phandle)) {
- return -ENODEV;
- }
-
- if (acpi_bus_get_device(phandle, &pdev)) {
- return -ENODEV;
- }
-
- if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_PROCESSOR)) {
- return -ENODEV;
- }
-
- return 0;
-}
-
static void acpi_processor_hotplug_notify(acpi_handle handle,
u32 event, void *data)
{
struct acpi_device *device = NULL;
struct acpi_eject_event *ej_event = NULL;
u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */
+ acpi_status status;
int result;
+ acpi_scan_lock_acquire();
+
switch (event) {
case ACPI_NOTIFY_BUS_CHECK:
case ACPI_NOTIFY_DEVICE_CHECK:
@@ -721,12 +702,16 @@ static void acpi_processor_hotplug_notify(acpi_handle handle,
if (!acpi_bus_get_device(handle, &device))
break;
- result = acpi_processor_device_add(handle, &device);
+ result = acpi_bus_scan(handle);
if (result) {
acpi_handle_err(handle, "Unable to add the device\n");
break;
}
-
+ result = acpi_bus_get_device(handle, &device);
+ if (result) {
+ acpi_handle_err(handle, "Missing device object\n");
+ break;
+ }
ost_code = ACPI_OST_SC_SUCCESS;
break;
@@ -751,25 +736,32 @@ static void acpi_processor_hotplug_notify(acpi_handle handle,
break;
}
- ej_event->handle = handle;
+ get_device(&device->dev);
+ ej_event->device = device;
ej_event->event = ACPI_NOTIFY_EJECT_REQUEST;
- acpi_os_hotplug_execute(acpi_bus_hot_remove_device,
- (void *)ej_event);
-
- /* eject is performed asynchronously */
- return;
+ /* The eject is carried out asynchronously. */
+ status = acpi_os_hotplug_execute(acpi_bus_hot_remove_device,
+ ej_event);
+ if (ACPI_FAILURE(status)) {
+ put_device(&device->dev);
+ kfree(ej_event);
+ break;
+ }
+ goto out;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
/* non-hotplug event; possibly handled by other handler */
- return;
+ goto out;
}
/* Inform firmware that the hotplug operation has completed */
(void) acpi_evaluate_hotplug_ost(handle, event, ost_code, NULL);
- return;
+
+ out:
+ acpi_scan_lock_release();
}
static acpi_status is_processor_device(acpi_handle handle)
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index ed9a1cc690b..fc95308e9a1 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -28,19 +28,12 @@
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
-#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/cpufreq.h>
-#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
-#include <linux/moduleparam.h>
-#include <linux/sched.h> /* need_resched() */
-#include <linux/pm_qos.h>
+#include <linux/sched.h> /* need_resched() */
#include <linux/clockchips.h>
#include <linux/cpuidle.h>
-#include <linux/irqflags.h>
/*
* Include the apic definitions for x86 to have the APIC timer related defines
@@ -52,22 +45,14 @@
#include <asm/apic.h>
#endif
-#include <asm/io.h>
-#include <asm/uaccess.h>
-
#include <acpi/acpi_bus.h>
#include <acpi/processor.h>
-#include <asm/processor.h>
#define PREFIX "ACPI: "
#define ACPI_PROCESSOR_CLASS "processor"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_idle");
-#define PM_TIMER_TICK_NS (1000000000ULL/PM_TIMER_FREQUENCY)
-#define C2_OVERHEAD 1 /* 1us */
-#define C3_OVERHEAD 1 /* 1us */
-#define PM_TIMER_TICKS_TO_US(p) (((p) * 1000)/(PM_TIMER_FREQUENCY/1000))
static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
module_param(max_cstate, uint, 0000);
@@ -81,10 +66,11 @@ module_param(latency_factor, uint, 0644);
static DEFINE_PER_CPU(struct cpuidle_device *, acpi_cpuidle_device);
+static struct acpi_processor_cx *acpi_cstate[CPUIDLE_STATE_MAX];
+
static int disabled_by_idle_boot_param(void)
{
return boot_option_idle_override == IDLE_POLL ||
- boot_option_idle_override == IDLE_FORCE_MWAIT ||
boot_option_idle_override == IDLE_HALT;
}
@@ -736,8 +722,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
struct acpi_processor *pr;
- struct cpuidle_state_usage *state_usage = &dev->states_usage[index];
- struct acpi_processor_cx *cx = cpuidle_get_statedata(state_usage);
+ struct acpi_processor_cx *cx = acpi_cstate[index];
pr = __this_cpu_read(processors);
@@ -760,8 +745,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
*/
static int acpi_idle_play_dead(struct cpuidle_device *dev, int index)
{
- struct cpuidle_state_usage *state_usage = &dev->states_usage[index];
- struct acpi_processor_cx *cx = cpuidle_get_statedata(state_usage);
+ struct acpi_processor_cx *cx = acpi_cstate[index];
ACPI_FLUSH_CPU_CACHE();
@@ -791,8 +775,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
struct acpi_processor *pr;
- struct cpuidle_state_usage *state_usage = &dev->states_usage[index];
- struct acpi_processor_cx *cx = cpuidle_get_statedata(state_usage);
+ struct acpi_processor_cx *cx = acpi_cstate[index];
pr = __this_cpu_read(processors);
@@ -850,8 +833,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
struct acpi_processor *pr;
- struct cpuidle_state_usage *state_usage = &dev->states_usage[index];
- struct acpi_processor_cx *cx = cpuidle_get_statedata(state_usage);
+ struct acpi_processor_cx *cx = acpi_cstate[index];
pr = __this_cpu_read(processors);
@@ -943,13 +925,13 @@ struct cpuidle_driver acpi_idle_driver = {
* device i.e. per-cpu data
*
* @pr: the ACPI processor
+ * @dev : the cpuidle device
*/
-static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr)
+static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr,
+ struct cpuidle_device *dev)
{
int i, count = CPUIDLE_DRIVER_STATE_START;
struct acpi_processor_cx *cx;
- struct cpuidle_state_usage *state_usage;
- struct cpuidle_device *dev = per_cpu(acpi_cpuidle_device, pr->id);
if (!pr->flags.power_setup_done)
return -EINVAL;
@@ -968,7 +950,6 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr)
for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) {
cx = &pr->power.states[i];
- state_usage = &dev->states_usage[count];
if (!cx->valid)
continue;
@@ -979,8 +960,7 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr)
!(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED))
continue;
#endif
-
- cpuidle_set_statedata(state_usage, cx);
+ acpi_cstate[count] = cx;
count++;
if (count == CPUIDLE_STATE_MAX)
@@ -1104,7 +1084,7 @@ int acpi_processor_hotplug(struct acpi_processor *pr)
cpuidle_disable_device(dev);
acpi_processor_get_power_info(pr);
if (pr->flags.power) {
- acpi_processor_setup_cpuidle_cx(pr);
+ acpi_processor_setup_cpuidle_cx(pr, dev);
ret = cpuidle_enable_device(dev);
}
cpuidle_resume_and_unlock();
@@ -1162,8 +1142,8 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
continue;
acpi_processor_get_power_info(_pr);
if (_pr->flags.power) {
- acpi_processor_setup_cpuidle_cx(_pr);
dev = per_cpu(acpi_cpuidle_device, cpu);
+ acpi_processor_setup_cpuidle_cx(_pr, dev);
cpuidle_enable_device(dev);
}
}
@@ -1232,7 +1212,7 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr)
return -ENOMEM;
per_cpu(acpi_cpuidle_device, pr->id) = dev;
- acpi_processor_setup_cpuidle_cx(pr);
+ acpi_processor_setup_cpuidle_cx(pr, dev);
/* Register per-cpu cpuidle_device. Cpuidle driver
* must already be registered before registering device
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index ff0740e0a9c..e523245643a 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -130,7 +130,7 @@ struct acpi_sbs {
#define to_acpi_sbs(x) container_of(x, struct acpi_sbs, charger)
-static int acpi_sbs_remove(struct acpi_device *device, int type);
+static int acpi_sbs_remove(struct acpi_device *device);
static int acpi_battery_get_state(struct acpi_battery *battery);
static inline int battery_scale(int log)
@@ -949,11 +949,11 @@ static int acpi_sbs_add(struct acpi_device *device)
acpi_smbus_register_callback(sbs->hc, acpi_sbs_callback, sbs);
end:
if (result)
- acpi_sbs_remove(device, 0);
+ acpi_sbs_remove(device);
return result;
}
-static int acpi_sbs_remove(struct acpi_device *device, int type)
+static int acpi_sbs_remove(struct acpi_device *device)
{
struct acpi_sbs *sbs;
int id;
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index cf6129a8af7..b78bc605837 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -33,7 +33,7 @@ struct acpi_smb_hc {
};
static int acpi_smbus_hc_add(struct acpi_device *device);
-static int acpi_smbus_hc_remove(struct acpi_device *device, int type);
+static int acpi_smbus_hc_remove(struct acpi_device *device);
static const struct acpi_device_id sbs_device_ids[] = {
{"ACPI0001", 0},
@@ -296,7 +296,7 @@ static int acpi_smbus_hc_add(struct acpi_device *device)
extern void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
-static int acpi_smbus_hc_remove(struct acpi_device *device, int type)
+static int acpi_smbus_hc_remove(struct acpi_device *device)
{
struct acpi_smb_hc *hc;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index c88be6c37c3..daee7497efd 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -29,29 +29,10 @@ extern struct acpi_device *acpi_root;
static const char *dummy_hid = "device";
-/*
- * The following ACPI IDs are known to be suitable for representing as
- * platform devices.
- */
-static const struct acpi_device_id acpi_platform_device_ids[] = {
-
- { "PNP0D40" },
-
- /* Haswell LPSS devices */
- { "INT33C0", 0 },
- { "INT33C1", 0 },
- { "INT33C2", 0 },
- { "INT33C3", 0 },
- { "INT33C4", 0 },
- { "INT33C5", 0 },
- { "INT33C6", 0 },
- { "INT33C7", 0 },
-
- { }
-};
-
static LIST_HEAD(acpi_device_list);
static LIST_HEAD(acpi_bus_id_list);
+static DEFINE_MUTEX(acpi_scan_lock);
+static LIST_HEAD(acpi_scan_handlers_list);
DEFINE_MUTEX(acpi_device_lock);
LIST_HEAD(acpi_wakeup_device_list);
@@ -61,6 +42,27 @@ struct acpi_device_bus_id{
struct list_head node;
};
+void acpi_scan_lock_acquire(void)
+{
+ mutex_lock(&acpi_scan_lock);
+}
+EXPORT_SYMBOL_GPL(acpi_scan_lock_acquire);
+
+void acpi_scan_lock_release(void)
+{
+ mutex_unlock(&acpi_scan_lock);
+}
+EXPORT_SYMBOL_GPL(acpi_scan_lock_release);
+
+int acpi_scan_add_handler(struct acpi_scan_handler *handler)
+{
+ if (!handler || !handler->attach)
+ return -EINVAL;
+
+ list_add_tail(&handler->list_node, &acpi_scan_handlers_list);
+ return 0;
+}
+
/*
* Creates hid/cid(s) string needed for modalias and uevent
* e.g. on a device with hid:IBM0001 and cid:ACPI0001 you get:
@@ -115,39 +117,32 @@ static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL);
*/
void acpi_bus_hot_remove_device(void *context)
{
- struct acpi_eject_event *ej_event = (struct acpi_eject_event *) context;
- struct acpi_device *device;
- acpi_handle handle = ej_event->handle;
+ struct acpi_eject_event *ej_event = context;
+ struct acpi_device *device = ej_event->device;
+ acpi_handle handle = device->handle;
acpi_handle temp;
struct acpi_object_list arg_list;
union acpi_object arg;
acpi_status status = AE_OK;
u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */
- if (acpi_bus_get_device(handle, &device))
- goto err_out;
+ mutex_lock(&acpi_scan_lock);
- if (!device)
- goto err_out;
+ /* If there is no handle, the device node has been unregistered. */
+ if (!device->handle) {
+ dev_dbg(&device->dev, "ACPI handle missing\n");
+ put_device(&device->dev);
+ goto out;
+ }
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Hot-removing device %s...\n", dev_name(&device->dev)));
- if (acpi_bus_trim(device, 1)) {
- printk(KERN_ERR PREFIX
- "Removing device failed\n");
- goto err_out;
- }
-
- /* device has been freed */
+ acpi_bus_trim(device);
+ /* Device node has been unregistered. */
+ put_device(&device->dev);
device = NULL;
- /* power off device */
- status = acpi_evaluate_object(handle, "_PS3", NULL, NULL);
- if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
- printk(KERN_WARNING PREFIX
- "Power-off device failed\n");
-
if (ACPI_SUCCESS(acpi_get_handle(handle, "_LCK", &temp))) {
arg_list.count = 1;
arg_list.pointer = &arg;
@@ -167,23 +162,46 @@ void acpi_bus_hot_remove_device(void *context)
status = acpi_evaluate_object(handle, "_EJ0", &arg_list, NULL);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND)
- printk(KERN_WARNING PREFIX
- "Eject device failed\n");
- goto err_out;
- }
+ acpi_handle_warn(handle, "Eject failed\n");
- kfree(context);
- return;
+ /* Tell the firmware the hot-remove operation has failed. */
+ acpi_evaluate_hotplug_ost(handle, ej_event->event,
+ ost_code, NULL);
+ }
-err_out:
- /* Inform firmware the hot-remove operation has completed w/ error */
- (void) acpi_evaluate_hotplug_ost(handle,
- ej_event->event, ost_code, NULL);
+ out:
+ mutex_unlock(&acpi_scan_lock);
kfree(context);
return;
}
EXPORT_SYMBOL(acpi_bus_hot_remove_device);
+static ssize_t real_power_state_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct acpi_device *adev = to_acpi_device(dev);
+ int state;
+ int ret;
+
+ ret = acpi_device_get_power(adev, &state);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%s\n", acpi_power_state_string(state));
+}
+
+static DEVICE_ATTR(real_power_state, 0444, real_power_state_show, NULL);
+
+static ssize_t power_state_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct acpi_device *adev = to_acpi_device(dev);
+
+ return sprintf(buf, "%s\n", acpi_power_state_string(adev->power.state));
+}
+
+static DEVICE_ATTR(power_state, 0444, power_state_show, NULL);
+
static ssize_t
acpi_eject_store(struct device *d, struct device_attribute *attr,
const char *buf, size_t count)
@@ -197,12 +215,10 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
if ((!count) || (buf[0] != '1')) {
return -EINVAL;
}
-#ifndef FORCE_EJECT
- if (acpi_device->driver == NULL) {
+ if (!acpi_device->driver && !acpi_device->handler) {
ret = -ENODEV;
goto err;
}
-#endif
status = acpi_get_type(acpi_device->handle, &type);
if (ACPI_FAILURE(status) || (!acpi_device->flags.ejectable)) {
ret = -ENODEV;
@@ -215,7 +231,8 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
goto err;
}
- ej_event->handle = acpi_device->handle;
+ get_device(&acpi_device->dev);
+ ej_event->device = acpi_device;
if (acpi_device->flags.eject_pending) {
/* event originated from ACPI eject notification */
ej_event->event = ACPI_NOTIFY_EJECT_REQUEST;
@@ -223,11 +240,15 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
} else {
/* event originated from user */
ej_event->event = ACPI_OST_EC_OSPM_EJECT;
- (void) acpi_evaluate_hotplug_ost(ej_event->handle,
+ (void) acpi_evaluate_hotplug_ost(acpi_device->handle,
ej_event->event, ACPI_OST_SC_EJECT_IN_PROGRESS, NULL);
}
- acpi_os_hotplug_execute(acpi_bus_hot_remove_device, (void *)ej_event);
+ status = acpi_os_hotplug_execute(acpi_bus_hot_remove_device, ej_event);
+ if (ACPI_FAILURE(status)) {
+ put_device(&acpi_device->dev);
+ kfree(ej_event);
+ }
err:
return ret;
}
@@ -375,8 +396,22 @@ static int acpi_device_setup_files(struct acpi_device *dev)
* hot-removal function from userland.
*/
status = acpi_get_handle(dev->handle, "_EJ0", &temp);
- if (ACPI_SUCCESS(status))
+ if (ACPI_SUCCESS(status)) {
result = device_create_file(&dev->dev, &dev_attr_eject);
+ if (result)
+ return result;
+ }
+
+ if (dev->flags.power_manageable) {
+ result = device_create_file(&dev->dev, &dev_attr_power_state);
+ if (result)
+ return result;
+
+ if (dev->power.flags.power_resources)
+ result = device_create_file(&dev->dev,
+ &dev_attr_real_power_state);
+ }
+
end:
return result;
}
@@ -386,6 +421,13 @@ static void acpi_device_remove_files(struct acpi_device *dev)
acpi_status status;
acpi_handle temp;
+ if (dev->flags.power_manageable) {
+ device_remove_file(&dev->dev, &dev_attr_power_state);
+ if (dev->power.flags.power_resources)
+ device_remove_file(&dev->dev,
+ &dev_attr_real_power_state);
+ }
+
/*
* If device has _STR, remove 'description' file
*/
@@ -454,9 +496,9 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
const struct device *dev)
{
struct acpi_device *adev;
+ acpi_handle handle = ACPI_HANDLE(dev);
- if (!ids || !ACPI_HANDLE(dev)
- || ACPI_FAILURE(acpi_bus_get_device(ACPI_HANDLE(dev), &adev)))
+ if (!ids || !handle || acpi_bus_get_device(handle, &adev))
return NULL;
return __acpi_match_device(adev, ids);
@@ -470,7 +512,7 @@ int acpi_match_device_ids(struct acpi_device *device,
}
EXPORT_SYMBOL(acpi_match_device_ids);
-static void acpi_free_ids(struct acpi_device *device)
+void acpi_free_ids(struct acpi_device *device)
{
struct acpi_hardware_id *id, *tmp;
@@ -478,6 +520,23 @@ static void acpi_free_ids(struct acpi_device *device)
kfree(id->id);
kfree(id);
}
+ kfree(device->pnp.unique_id);
+}
+
+static void acpi_free_power_resources_lists(struct acpi_device *device)
+{
+ int i;
+
+ if (device->wakeup.flags.valid)
+ acpi_power_resources_list_free(&device->wakeup.resources);
+
+ if (!device->flags.power_manageable)
+ return;
+
+ for (i = ACPI_STATE_D0; i <= ACPI_STATE_D3_HOT; i++) {
+ struct acpi_device_power_state *ps = &device->power.states[i];
+ acpi_power_resources_list_free(&ps->resources);
+ }
}
static void acpi_device_release(struct device *dev)
@@ -485,7 +544,7 @@ static void acpi_device_release(struct device *dev)
struct acpi_device *acpi_dev = to_acpi_device(dev);
acpi_free_ids(acpi_dev);
- kfree(acpi_dev->pnp.unique_id);
+ acpi_free_power_resources_lists(acpi_dev);
kfree(acpi_dev);
}
@@ -494,7 +553,8 @@ static int acpi_bus_match(struct device *dev, struct device_driver *drv)
struct acpi_device *acpi_dev = to_acpi_device(dev);
struct acpi_driver *acpi_drv = to_acpi_driver(drv);
- return !acpi_match_device_ids(acpi_dev, acpi_drv->ids);
+ return acpi_dev->flags.match_driver
+ && !acpi_match_device_ids(acpi_dev, acpi_drv->ids);
}
static int acpi_device_uevent(struct device *dev, struct kobj_uevent_env *env)
@@ -570,7 +630,6 @@ static void acpi_device_remove_notify_handler(struct acpi_device *device)
}
static int acpi_bus_driver_init(struct acpi_device *, struct acpi_driver *);
-static int acpi_start_single_object(struct acpi_device *);
static int acpi_device_probe(struct device * dev)
{
struct acpi_device *acpi_dev = to_acpi_device(dev);
@@ -579,15 +638,13 @@ static int acpi_device_probe(struct device * dev)
ret = acpi_bus_driver_init(acpi_dev, acpi_drv);
if (!ret) {
- if (acpi_dev->bus_ops.acpi_op_start)
- acpi_start_single_object(acpi_dev);
-
if (acpi_drv->ops.notify) {
ret = acpi_device_install_notify_handler(acpi_dev);
if (ret) {
if (acpi_drv->ops.remove)
- acpi_drv->ops.remove(acpi_dev,
- acpi_dev->removal_type);
+ acpi_drv->ops.remove(acpi_dev);
+ acpi_dev->driver = NULL;
+ acpi_dev->driver_data = NULL;
return ret;
}
}
@@ -609,7 +666,7 @@ static int acpi_device_remove(struct device * dev)
if (acpi_drv->ops.notify)
acpi_device_remove_notify_handler(acpi_dev);
if (acpi_drv->ops.remove)
- acpi_drv->ops.remove(acpi_dev, acpi_dev->removal_type);
+ acpi_drv->ops.remove(acpi_dev);
}
acpi_dev->driver = NULL;
acpi_dev->driver_data = NULL;
@@ -626,12 +683,25 @@ struct bus_type acpi_bus_type = {
.uevent = acpi_device_uevent,
};
-static int acpi_device_register(struct acpi_device *device)
+int acpi_device_add(struct acpi_device *device,
+ void (*release)(struct device *))
{
int result;
struct acpi_device_bus_id *acpi_device_bus_id, *new_bus_id;
int found = 0;
+ if (device->handle) {
+ acpi_status status;
+
+ status = acpi_attach_data(device->handle, acpi_bus_data_handler,
+ device);
+ if (ACPI_FAILURE(status)) {
+ acpi_handle_err(device->handle,
+ "Unable to attach device data\n");
+ return -ENODEV;
+ }
+ }
+
/*
* Linkage
* -------
@@ -642,11 +712,13 @@ static int acpi_device_register(struct acpi_device *device)
INIT_LIST_HEAD(&device->wakeup_list);
INIT_LIST_HEAD(&device->physical_node_list);
mutex_init(&device->physical_node_lock);
+ INIT_LIST_HEAD(&device->power_dependent);
new_bus_id = kzalloc(sizeof(struct acpi_device_bus_id), GFP_KERNEL);
if (!new_bus_id) {
- printk(KERN_ERR PREFIX "Memory allocation error\n");
- return -ENOMEM;
+ pr_err(PREFIX "Memory allocation error\n");
+ result = -ENOMEM;
+ goto err_detach;
}
mutex_lock(&acpi_device_lock);
@@ -681,11 +753,11 @@ static int acpi_device_register(struct acpi_device *device)
if (device->parent)
device->dev.parent = &device->parent->dev;
device->dev.bus = &acpi_bus_type;
- device->dev.release = &acpi_device_release;
- result = device_register(&device->dev);
+ device->dev.release = release;
+ result = device_add(&device->dev);
if (result) {
dev_err(&device->dev, "Error registering device\n");
- goto end;
+ goto err;
}
result = acpi_device_setup_files(device);
@@ -695,16 +767,20 @@ static int acpi_device_register(struct acpi_device *device)
device->removal_type = ACPI_BUS_REMOVAL_NORMAL;
return 0;
-end:
+
+ err:
mutex_lock(&acpi_device_lock);
if (device->parent)
list_del(&device->node);
list_del(&device->wakeup_list);
mutex_unlock(&acpi_device_lock);
+
+ err_detach:
+ acpi_detach_data(device->handle, acpi_bus_data_handler);
return result;
}
-static void acpi_device_unregister(struct acpi_device *device, int type)
+static void acpi_device_unregister(struct acpi_device *device)
{
mutex_lock(&acpi_device_lock);
if (device->parent)
@@ -715,8 +791,20 @@ static void acpi_device_unregister(struct acpi_device *device, int type)
acpi_detach_data(device->handle, acpi_bus_data_handler);
+ acpi_power_add_remove_device(device, false);
acpi_device_remove_files(device);
- device_unregister(&device->dev);
+ if (device->remove)
+ device->remove(device);
+
+ device_del(&device->dev);
+ /*
+ * Transition the device to D3cold to drop the reference counts of all
+ * power resources the device depends on and turn off the ones that have
+ * no more references.
+ */
+ acpi_device_set_power(device, ACPI_STATE_D3_COLD);
+ device->handle = NULL;
+ put_device(&device->dev);
}
/* --------------------------------------------------------------------------
@@ -760,24 +848,6 @@ acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver)
return 0;
}
-static int acpi_start_single_object(struct acpi_device *device)
-{
- int result = 0;
- struct acpi_driver *driver;
-
-
- if (!(driver = device->driver))
- return 0;
-
- if (driver->ops.start) {
- result = driver->ops.start(device);
- if (result && driver->ops.remove)
- driver->ops.remove(device, ACPI_BUS_REMOVAL_NORMAL);
- }
-
- return result;
-}
-
/**
* acpi_bus_register_driver - register a driver with the ACPI bus
* @driver: driver being registered
@@ -821,29 +891,23 @@ EXPORT_SYMBOL(acpi_bus_unregister_driver);
-------------------------------------------------------------------------- */
static struct acpi_device *acpi_bus_get_parent(acpi_handle handle)
{
+ struct acpi_device *device = NULL;
acpi_status status;
- int ret;
- struct acpi_device *device;
/*
* Fixed hardware devices do not appear in the namespace and do not
* have handles, but we fabricate acpi_devices for them, so we have
* to deal with them specially.
*/
- if (handle == NULL)
+ if (!handle)
return acpi_root;
do {
status = acpi_get_parent(handle, &handle);
- if (status == AE_NULL_ENTRY)
- return NULL;
if (ACPI_FAILURE(status))
- return acpi_root;
-
- ret = acpi_bus_get_device(handle, &device);
- if (ret == 0)
- return device;
- } while (1);
+ return status == AE_NULL_ENTRY ? NULL : acpi_root;
+ } while (acpi_bus_get_device(handle, &device));
+ return device;
}
acpi_status
@@ -877,52 +941,43 @@ void acpi_bus_data_handler(acpi_handle handle, void *context)
return;
}
-static int acpi_bus_get_perf_flags(struct acpi_device *device)
-{
- device->performance.state = ACPI_STATE_UNKNOWN;
- return 0;
-}
-
-static acpi_status
-acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
- struct acpi_device_wakeup *wakeup)
+static int acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
+ struct acpi_device_wakeup *wakeup)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *package = NULL;
union acpi_object *element = NULL;
acpi_status status;
- int i = 0;
+ int err = -ENODATA;
if (!wakeup)
- return AE_BAD_PARAMETER;
+ return -EINVAL;
+
+ INIT_LIST_HEAD(&wakeup->resources);
/* _PRW */
status = acpi_evaluate_object(handle, "_PRW", NULL, &buffer);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRW"));
- return status;
+ return err;
}
package = (union acpi_object *)buffer.pointer;
- if (!package || (package->package.count < 2)) {
- status = AE_BAD_DATA;
+ if (!package || package->package.count < 2)
goto out;
- }
element = &(package->package.elements[0]);
- if (!element) {
- status = AE_BAD_DATA;
+ if (!element)
goto out;
- }
+
if (element->type == ACPI_TYPE_PACKAGE) {
if ((element->package.count < 2) ||
(element->package.elements[0].type !=
ACPI_TYPE_LOCAL_REFERENCE)
- || (element->package.elements[1].type != ACPI_TYPE_INTEGER)) {
- status = AE_BAD_DATA;
+ || (element->package.elements[1].type != ACPI_TYPE_INTEGER))
goto out;
- }
+
wakeup->gpe_device =
element->package.elements[0].reference.handle;
wakeup->gpe_number =
@@ -931,38 +986,35 @@ acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
wakeup->gpe_device = NULL;
wakeup->gpe_number = element->integer.value;
} else {
- status = AE_BAD_DATA;
goto out;
}
element = &(package->package.elements[1]);
- if (element->type != ACPI_TYPE_INTEGER) {
- status = AE_BAD_DATA;
+ if (element->type != ACPI_TYPE_INTEGER)
goto out;
- }
+
wakeup->sleep_state = element->integer.value;
- if ((package->package.count - 2) > ACPI_MAX_HANDLES) {
- status = AE_NO_MEMORY;
+ err = acpi_extract_power_resources(package, 2, &wakeup->resources);
+ if (err)
goto out;
- }
- wakeup->resources.count = package->package.count - 2;
- for (i = 0; i < wakeup->resources.count; i++) {
- element = &(package->package.elements[i + 2]);
- if (element->type != ACPI_TYPE_LOCAL_REFERENCE) {
- status = AE_BAD_DATA;
- goto out;
- }
- wakeup->resources.handles[i] = element->reference.handle;
- }
+ if (!list_empty(&wakeup->resources)) {
+ int sleep_state;
+ sleep_state = acpi_power_min_system_level(&wakeup->resources);
+ if (sleep_state < wakeup->sleep_state) {
+ acpi_handle_warn(handle, "Overriding _PRW sleep state "
+ "(S%d) by S%d from power resources\n",
+ (int)wakeup->sleep_state, sleep_state);
+ wakeup->sleep_state = sleep_state;
+ }
+ }
acpi_setup_gpe_for_wake(handle, wakeup->gpe_device, wakeup->gpe_number);
out:
kfree(buffer.pointer);
-
- return status;
+ return err;
}
static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
@@ -1002,17 +1054,17 @@ static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
{
acpi_handle temp;
acpi_status status = 0;
- int psw_error;
+ int err;
/* Presence of _PRW indicates wake capable */
status = acpi_get_handle(device->handle, "_PRW", &temp);
if (ACPI_FAILURE(status))
return;
- status = acpi_bus_extract_wakeup_device_power_package(device->handle,
- &device->wakeup);
- if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "Extracting _PRW package"));
+ err = acpi_bus_extract_wakeup_device_power_package(device->handle,
+ &device->wakeup);
+ if (err) {
+ dev_err(&device->dev, "_PRW evaluation error: %d\n", err);
return;
}
@@ -1025,20 +1077,73 @@ static void acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
* So it is necessary to call _DSW object first. Only when it is not
* present will the _PSW object used.
*/
- psw_error = acpi_device_sleep_wake(device, 0, 0, 0);
- if (psw_error)
+ err = acpi_device_sleep_wake(device, 0, 0, 0);
+ if (err)
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"error in _DSW or _PSW evaluation\n"));
}
-static void acpi_bus_add_power_resource(acpi_handle handle);
+static void acpi_bus_init_power_state(struct acpi_device *device, int state)
+{
+ struct acpi_device_power_state *ps = &device->power.states[state];
+ char pathname[5] = { '_', 'P', 'R', '0' + state, '\0' };
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ acpi_handle handle;
+ acpi_status status;
+
+ INIT_LIST_HEAD(&ps->resources);
+
+ /* Evaluate "_PRx" to get referenced power resources */
+ status = acpi_evaluate_object(device->handle, pathname, NULL, &buffer);
+ if (ACPI_SUCCESS(status)) {
+ union acpi_object *package = buffer.pointer;
+
+ if (buffer.length && package
+ && package->type == ACPI_TYPE_PACKAGE
+ && package->package.count) {
+ int err = acpi_extract_power_resources(package, 0,
+ &ps->resources);
+ if (!err)
+ device->power.flags.power_resources = 1;
+ }
+ ACPI_FREE(buffer.pointer);
+ }
+
+ /* Evaluate "_PSx" to see if we can do explicit sets */
+ pathname[2] = 'S';
+ status = acpi_get_handle(device->handle, pathname, &handle);
+ if (ACPI_SUCCESS(status))
+ ps->flags.explicit_set = 1;
+
+ /*
+ * State is valid if there are means to put the device into it.
+ * D3hot is only valid if _PR3 present.
+ */
+ if (!list_empty(&ps->resources)
+ || (ps->flags.explicit_set && state < ACPI_STATE_D3_HOT)) {
+ ps->flags.valid = 1;
+ ps->flags.os_accessible = 1;
+ }
+
+ ps->power = -1; /* Unknown - driver assigned */
+ ps->latency = -1; /* Unknown - driver assigned */
+}
-static int acpi_bus_get_power_flags(struct acpi_device *device)
+static void acpi_bus_get_power_flags(struct acpi_device *device)
{
- acpi_status status = 0;
- acpi_handle handle = NULL;
- u32 i = 0;
+ acpi_status status;
+ acpi_handle handle;
+ u32 i;
+
+ /* Presence of _PS0|_PR0 indicates 'power manageable' */
+ status = acpi_get_handle(device->handle, "_PS0", &handle);
+ if (ACPI_FAILURE(status)) {
+ status = acpi_get_handle(device->handle, "_PR0", &handle);
+ if (ACPI_FAILURE(status))
+ return;
+ }
+ device->flags.power_manageable = 1;
/*
* Power Management Flags
@@ -1053,40 +1158,10 @@ static int acpi_bus_get_power_flags(struct acpi_device *device)
/*
* Enumerate supported power management states
*/
- for (i = ACPI_STATE_D0; i <= ACPI_STATE_D3_HOT; i++) {
- struct acpi_device_power_state *ps = &device->power.states[i];
- char object_name[5] = { '_', 'P', 'R', '0' + i, '\0' };
-
- /* Evaluate "_PRx" to se if power resources are referenced */
- acpi_evaluate_reference(device->handle, object_name, NULL,
- &ps->resources);
- if (ps->resources.count) {
- int j;
-
- device->power.flags.power_resources = 1;
- for (j = 0; j < ps->resources.count; j++)
- acpi_bus_add_power_resource(ps->resources.handles[j]);
- }
+ for (i = ACPI_STATE_D0; i <= ACPI_STATE_D3_HOT; i++)
+ acpi_bus_init_power_state(device, i);
- /* Evaluate "_PSx" to see if we can do explicit sets */
- object_name[2] = 'S';
- status = acpi_get_handle(device->handle, object_name, &handle);
- if (ACPI_SUCCESS(status))
- ps->flags.explicit_set = 1;
-
- /*
- * State is valid if there are means to put the device into it.
- * D3hot is only valid if _PR3 present.
- */
- if (ps->resources.count ||
- (ps->flags.explicit_set && i < ACPI_STATE_D3_HOT)) {
- ps->flags.valid = 1;
- ps->flags.os_accessible = 1;
- }
-
- ps->power = -1; /* Unknown - driver assigned */
- ps->latency = -1; /* Unknown - driver assigned */
- }
+ INIT_LIST_HEAD(&device->power.states[ACPI_STATE_D3_COLD].resources);
/* Set defaults for D0 and D3 states (always valid) */
device->power.states[ACPI_STATE_D0].flags.valid = 1;
@@ -1103,17 +1178,17 @@ static int acpi_bus_get_power_flags(struct acpi_device *device)
device->power.flags.power_resources)
device->power.states[ACPI_STATE_D3_COLD].flags.os_accessible = 1;
- acpi_bus_init_power(device);
-
- return 0;
+ if (acpi_bus_init_power(device)) {
+ acpi_free_power_resources_lists(device);
+ device->flags.power_manageable = 0;
+ }
}
-static int acpi_bus_get_flags(struct acpi_device *device)
+static void acpi_bus_get_flags(struct acpi_device *device)
{
acpi_status status = AE_OK;
acpi_handle temp = NULL;
-
/* Presence of _STA indicates 'dynamic_status' */
status = acpi_get_handle(device->handle, "_STA", &temp);
if (ACPI_SUCCESS(status))
@@ -1133,21 +1208,6 @@ static int acpi_bus_get_flags(struct acpi_device *device)
if (ACPI_SUCCESS(status))
device->flags.ejectable = 1;
}
-
- /* Power resources cannot be power manageable. */
- if (device->device_type == ACPI_BUS_TYPE_POWER)
- return 0;
-
- /* Presence of _PS0|_PR0 indicates 'power manageable' */
- status = acpi_get_handle(device->handle, "_PS0", &temp);
- if (ACPI_FAILURE(status))
- status = acpi_get_handle(device->handle, "_PR0", &temp);
- if (ACPI_SUCCESS(status))
- device->flags.power_manageable = 1;
-
- /* TBD: Performance management */
-
- return 0;
}
static void acpi_device_get_busid(struct acpi_device *device)
@@ -1372,56 +1432,32 @@ static void acpi_device_set_id(struct acpi_device *device)
}
}
-static int acpi_device_set_context(struct acpi_device *device)
+void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
+ int type, unsigned long long sta)
{
- acpi_status status;
-
- /*
- * Context
- * -------
- * Attach this 'struct acpi_device' to the ACPI object. This makes
- * resolutions from handle->device very efficient. Fixed hardware
- * devices have no handles, so we skip them.
- */
- if (!device->handle)
- return 0;
-
- status = acpi_attach_data(device->handle,
- acpi_bus_data_handler, device);
- if (ACPI_SUCCESS(status))
- return 0;
-
- printk(KERN_ERR PREFIX "Error attaching device data\n");
- return -ENODEV;
+ INIT_LIST_HEAD(&device->pnp.ids);
+ device->device_type = type;
+ device->handle = handle;
+ device->parent = acpi_bus_get_parent(handle);
+ STRUCT_TO_INT(device->status) = sta;
+ acpi_device_get_busid(device);
+ acpi_device_set_id(device);
+ acpi_bus_get_flags(device);
+ device->flags.match_driver = false;
+ device_initialize(&device->dev);
+ dev_set_uevent_suppress(&device->dev, true);
}
-static int acpi_bus_remove(struct acpi_device *dev, int rmdevice)
+void acpi_device_add_finalize(struct acpi_device *device)
{
- if (!dev)
- return -EINVAL;
-
- dev->removal_type = ACPI_BUS_REMOVAL_EJECT;
- device_release_driver(&dev->dev);
-
- if (!rmdevice)
- return 0;
-
- /*
- * unbind _ADR-Based Devices when hot removal
- */
- if (dev->flags.bus_address) {
- if ((dev->parent) && (dev->parent->ops.unbind))
- dev->parent->ops.unbind(dev);
- }
- acpi_device_unregister(dev, ACPI_BUS_REMOVAL_EJECT);
-
- return 0;
+ device->flags.match_driver = true;
+ dev_set_uevent_suppress(&device->dev, false);
+ kobject_uevent(&device->dev.kobj, KOBJ_ADD);
}
static int acpi_add_single_object(struct acpi_device **child,
acpi_handle handle, int type,
- unsigned long long sta,
- struct acpi_bus_ops *ops)
+ unsigned long long sta)
{
int result;
struct acpi_device *device;
@@ -1433,102 +1469,25 @@ static int acpi_add_single_object(struct acpi_device **child,
return -ENOMEM;
}
- INIT_LIST_HEAD(&device->pnp.ids);
- device->device_type = type;
- device->handle = handle;
- device->parent = acpi_bus_get_parent(handle);
- device->bus_ops = *ops; /* workround for not call .start */
- STRUCT_TO_INT(device->status) = sta;
-
- acpi_device_get_busid(device);
-
- /*
- * Flags
- * -----
- * Note that we only look for object handles -- cannot evaluate objects
- * until we know the device is present and properly initialized.
- */
- result = acpi_bus_get_flags(device);
- if (result)
- goto end;
-
- /*
- * Initialize Device
- * -----------------
- * TBD: Synch with Core's enumeration/initialization process.
- */
- acpi_device_set_id(device);
-
- /*
- * Power Management
- * ----------------
- */
- if (device->flags.power_manageable) {
- result = acpi_bus_get_power_flags(device);
- if (result)
- goto end;
- }
-
- /*
- * Wakeup device management
- *-----------------------
- */
+ acpi_init_device_object(device, handle, type, sta);
+ acpi_bus_get_power_flags(device);
acpi_bus_get_wakeup_device_flags(device);
- /*
- * Performance Management
- * ----------------------
- */
- if (device->flags.performance_manageable) {
- result = acpi_bus_get_perf_flags(device);
- if (result)
- goto end;
- }
-
- if ((result = acpi_device_set_context(device)))
- goto end;
-
- result = acpi_device_register(device);
-
- /*
- * Bind _ADR-Based Devices when hot add
- */
- if (device->flags.bus_address) {
- if (device->parent && device->parent->ops.bind)
- device->parent->ops.bind(device);
- }
-
-end:
- if (!result) {
- acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Adding %s [%s] parent %s\n", dev_name(&device->dev),
- (char *) buffer.pointer,
- device->parent ? dev_name(&device->parent->dev) :
- "(null)"));
- kfree(buffer.pointer);
- *child = device;
- } else
+ result = acpi_device_add(device, acpi_device_release);
+ if (result) {
acpi_device_release(&device->dev);
+ return result;
+ }
- return result;
-}
-
-#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
- ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
-
-static void acpi_bus_add_power_resource(acpi_handle handle)
-{
- struct acpi_bus_ops ops = {
- .acpi_op_add = 1,
- .acpi_op_start = 1,
- };
- struct acpi_device *device = NULL;
-
- acpi_bus_get_device(handle, &device);
- if (!device)
- acpi_add_single_object(&device, handle, ACPI_BUS_TYPE_POWER,
- ACPI_STA_DEFAULT, &ops);
+ acpi_power_add_remove_device(device, true);
+ acpi_device_add_finalize(device);
+ acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Added %s [%s] parent %s\n",
+ dev_name(&device->dev), (char *) buffer.pointer,
+ device->parent ? dev_name(&device->parent->dev) : "(null)"));
+ kfree(buffer.pointer);
+ *child = device;
+ return 0;
}
static int acpi_bus_type_and_status(acpi_handle handle, int *type,
@@ -1570,218 +1529,248 @@ static int acpi_bus_type_and_status(acpi_handle handle, int *type,
return 0;
}
-static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl,
- void *context, void **return_value)
+static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl_not_used,
+ void *not_used, void **return_value)
{
- struct acpi_bus_ops *ops = context;
+ struct acpi_device *device = NULL;
int type;
unsigned long long sta;
- struct acpi_device *device;
acpi_status status;
int result;
+ acpi_bus_get_device(handle, &device);
+ if (device)
+ goto out;
+
result = acpi_bus_type_and_status(handle, &type, &sta);
if (result)
return AE_OK;
+ if (type == ACPI_BUS_TYPE_POWER) {
+ acpi_add_power_resource(handle);
+ return AE_OK;
+ }
+
if (!(sta & ACPI_STA_DEVICE_PRESENT) &&
!(sta & ACPI_STA_DEVICE_FUNCTIONING)) {
struct acpi_device_wakeup wakeup;
acpi_handle temp;
status = acpi_get_handle(handle, "_PRW", &temp);
- if (ACPI_SUCCESS(status))
+ if (ACPI_SUCCESS(status)) {
acpi_bus_extract_wakeup_device_power_package(handle,
&wakeup);
+ acpi_power_resources_list_free(&wakeup.resources);
+ }
return AE_CTRL_DEPTH;
}
- /*
- * We may already have an acpi_device from a previous enumeration. If
- * so, we needn't add it again, but we may still have to start it.
- */
- device = NULL;
- acpi_bus_get_device(handle, &device);
- if (ops->acpi_op_add && !device) {
- acpi_add_single_object(&device, handle, type, sta, ops);
- /* Is the device a known good platform device? */
- if (device
- && !acpi_match_device_ids(device, acpi_platform_device_ids))
- acpi_create_platform_device(device);
- }
-
+ acpi_add_single_object(&device, handle, type, sta);
if (!device)
return AE_CTRL_DEPTH;
- if (ops->acpi_op_start && !(ops->acpi_op_add)) {
- status = acpi_start_single_object(device);
- if (ACPI_FAILURE(status))
- return AE_CTRL_DEPTH;
- }
-
+ out:
if (!*return_value)
*return_value = device;
+
return AE_OK;
}
-static int acpi_bus_scan(acpi_handle handle, struct acpi_bus_ops *ops,
- struct acpi_device **child)
+static int acpi_scan_do_attach_handler(struct acpi_device *device, char *id)
{
- acpi_status status;
- void *device = NULL;
+ struct acpi_scan_handler *handler;
- status = acpi_bus_check_add(handle, 0, ops, &device);
- if (ACPI_SUCCESS(status))
- acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
- acpi_bus_check_add, NULL, ops, &device);
+ list_for_each_entry(handler, &acpi_scan_handlers_list, list_node) {
+ const struct acpi_device_id *devid;
- if (child)
- *child = device;
+ for (devid = handler->ids; devid->id[0]; devid++) {
+ int ret;
- if (device)
- return 0;
- else
- return -ENODEV;
-}
+ if (strcmp((char *)devid->id, id))
+ continue;
-/*
- * acpi_bus_add and acpi_bus_start
- *
- * scan a given ACPI tree and (probably recently hot-plugged)
- * create and add or starts found devices.
- *
- * If no devices were found -ENODEV is returned which does not
- * mean that this is a real error, there just have been no suitable
- * ACPI objects in the table trunk from which the kernel could create
- * a device and add/start an appropriate driver.
- */
+ ret = handler->attach(device, devid);
+ if (ret > 0) {
+ device->handler = handler;
+ return ret;
+ } else if (ret < 0) {
+ return ret;
+ }
+ }
+ }
+ return 0;
+}
-int
-acpi_bus_add(struct acpi_device **child,
- struct acpi_device *parent, acpi_handle handle, int type)
+static int acpi_scan_attach_handler(struct acpi_device *device)
{
- struct acpi_bus_ops ops;
+ struct acpi_hardware_id *hwid;
+ int ret = 0;
- memset(&ops, 0, sizeof(ops));
- ops.acpi_op_add = 1;
+ list_for_each_entry(hwid, &device->pnp.ids, list) {
+ ret = acpi_scan_do_attach_handler(device, hwid->id);
+ if (ret)
+ break;
- return acpi_bus_scan(handle, &ops, child);
+ }
+ return ret;
}
-EXPORT_SYMBOL(acpi_bus_add);
-int acpi_bus_start(struct acpi_device *device)
+static acpi_status acpi_bus_device_attach(acpi_handle handle, u32 lvl_not_used,
+ void *not_used, void **ret_not_used)
{
- struct acpi_bus_ops ops;
- int result;
-
- if (!device)
- return -EINVAL;
+ struct acpi_device *device;
+ unsigned long long sta_not_used;
+ int ret;
- memset(&ops, 0, sizeof(ops));
- ops.acpi_op_start = 1;
+ /*
+ * Ignore errors ignored by acpi_bus_check_add() to avoid terminating
+ * namespace walks prematurely.
+ */
+ if (acpi_bus_type_and_status(handle, &ret, &sta_not_used))
+ return AE_OK;
- result = acpi_bus_scan(device->handle, &ops, NULL);
+ if (acpi_bus_get_device(handle, &device))
+ return AE_CTRL_DEPTH;
- acpi_update_all_gpes();
+ ret = acpi_scan_attach_handler(device);
+ if (ret)
+ return ret > 0 ? AE_OK : AE_CTRL_DEPTH;
- return result;
+ ret = device_attach(&device->dev);
+ return ret >= 0 ? AE_OK : AE_CTRL_DEPTH;
}
-EXPORT_SYMBOL(acpi_bus_start);
-int acpi_bus_trim(struct acpi_device *start, int rmdevice)
+/**
+ * acpi_bus_scan - Add ACPI device node objects in a given namespace scope.
+ * @handle: Root of the namespace scope to scan.
+ *
+ * Scan a given ACPI tree (probably recently hot-plugged) and create and add
+ * found devices.
+ *
+ * If no devices were found, -ENODEV is returned, but it does not mean that
+ * there has been a real error. There just have been no suitable ACPI objects
+ * in the table trunk from which the kernel could create a device and add an
+ * appropriate driver.
+ *
+ * Must be called under acpi_scan_lock.
+ */
+int acpi_bus_scan(acpi_handle handle)
{
- acpi_status status;
- struct acpi_device *parent, *child;
- acpi_handle phandle, chandle;
- acpi_object_type type;
- u32 level = 1;
- int err = 0;
+ void *device = NULL;
+ int error = 0;
- parent = start;
- phandle = start->handle;
- child = chandle = NULL;
+ if (ACPI_SUCCESS(acpi_bus_check_add(handle, 0, NULL, &device)))
+ acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
+ acpi_bus_check_add, NULL, NULL, &device);
- while ((level > 0) && parent && (!err)) {
- status = acpi_get_next_object(ACPI_TYPE_ANY, phandle,
- chandle, &chandle);
+ if (!device)
+ error = -ENODEV;
+ else if (ACPI_SUCCESS(acpi_bus_device_attach(handle, 0, NULL, NULL)))
+ acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
+ acpi_bus_device_attach, NULL, NULL, NULL);
- /*
- * If this scope is exhausted then move our way back up.
- */
- if (ACPI_FAILURE(status)) {
- level--;
- chandle = phandle;
- acpi_get_parent(phandle, &phandle);
- child = parent;
- parent = parent->parent;
-
- if (level == 0)
- err = acpi_bus_remove(child, rmdevice);
- else
- err = acpi_bus_remove(child, 1);
+ return error;
+}
+EXPORT_SYMBOL(acpi_bus_scan);
- continue;
- }
+static acpi_status acpi_bus_device_detach(acpi_handle handle, u32 lvl_not_used,
+ void *not_used, void **ret_not_used)
+{
+ struct acpi_device *device = NULL;
- status = acpi_get_type(chandle, &type);
- if (ACPI_FAILURE(status)) {
- continue;
- }
- /*
- * If there is a device corresponding to chandle then
- * parse it (depth-first).
- */
- if (acpi_bus_get_device(chandle, &child) == 0) {
- level++;
- phandle = chandle;
- chandle = NULL;
- parent = child;
+ if (!acpi_bus_get_device(handle, &device)) {
+ struct acpi_scan_handler *dev_handler = device->handler;
+
+ device->removal_type = ACPI_BUS_REMOVAL_EJECT;
+ if (dev_handler) {
+ if (dev_handler->detach)
+ dev_handler->detach(device);
+
+ device->handler = NULL;
+ } else {
+ device_release_driver(&device->dev);
}
- continue;
}
- return err;
+ return AE_OK;
+}
+
+static acpi_status acpi_bus_remove(acpi_handle handle, u32 lvl_not_used,
+ void *not_used, void **ret_not_used)
+{
+ struct acpi_device *device = NULL;
+
+ if (!acpi_bus_get_device(handle, &device))
+ acpi_device_unregister(device);
+
+ return AE_OK;
+}
+
+/**
+ * acpi_bus_trim - Remove ACPI device node and all of its descendants
+ * @start: Root of the ACPI device nodes subtree to remove.
+ *
+ * Must be called under acpi_scan_lock.
+ */
+void acpi_bus_trim(struct acpi_device *start)
+{
+ /*
+ * Execute acpi_bus_device_detach() as a post-order callback to detach
+ * all ACPI drivers from the device nodes being removed.
+ */
+ acpi_walk_namespace(ACPI_TYPE_ANY, start->handle, ACPI_UINT32_MAX, NULL,
+ acpi_bus_device_detach, NULL, NULL);
+ acpi_bus_device_detach(start->handle, 0, NULL, NULL);
+ /*
+ * Execute acpi_bus_remove() as a post-order callback to remove device
+ * nodes in the given namespace scope.
+ */
+ acpi_walk_namespace(ACPI_TYPE_ANY, start->handle, ACPI_UINT32_MAX, NULL,
+ acpi_bus_remove, NULL, NULL);
+ acpi_bus_remove(start->handle, 0, NULL, NULL);
}
EXPORT_SYMBOL_GPL(acpi_bus_trim);
static int acpi_bus_scan_fixed(void)
{
int result = 0;
- struct acpi_device *device = NULL;
- struct acpi_bus_ops ops;
-
- memset(&ops, 0, sizeof(ops));
- ops.acpi_op_add = 1;
- ops.acpi_op_start = 1;
/*
* Enumerate all fixed-feature devices.
*/
- if ((acpi_gbl_FADT.flags & ACPI_FADT_POWER_BUTTON) == 0) {
+ if (!(acpi_gbl_FADT.flags & ACPI_FADT_POWER_BUTTON)) {
+ struct acpi_device *device = NULL;
+
result = acpi_add_single_object(&device, NULL,
ACPI_BUS_TYPE_POWER_BUTTON,
- ACPI_STA_DEFAULT,
- &ops);
+ ACPI_STA_DEFAULT);
+ if (result)
+ return result;
+
+ result = device_attach(&device->dev);
+ if (result < 0)
+ return result;
+
device_init_wakeup(&device->dev, true);
}
- if ((acpi_gbl_FADT.flags & ACPI_FADT_SLEEP_BUTTON) == 0) {
+ if (!(acpi_gbl_FADT.flags & ACPI_FADT_SLEEP_BUTTON)) {
+ struct acpi_device *device = NULL;
+
result = acpi_add_single_object(&device, NULL,
ACPI_BUS_TYPE_SLEEP_BUTTON,
- ACPI_STA_DEFAULT,
- &ops);
+ ACPI_STA_DEFAULT);
+ if (result)
+ return result;
+
+ result = device_attach(&device->dev);
}
- return result;
+ return result < 0 ? result : 0;
}
int __init acpi_scan_init(void)
{
int result;
- struct acpi_bus_ops ops;
-
- memset(&ops, 0, sizeof(ops));
- ops.acpi_op_add = 1;
- ops.acpi_op_start = 1;
result = bus_register(&acpi_bus_type);
if (result) {
@@ -1789,20 +1778,33 @@ int __init acpi_scan_init(void)
printk(KERN_ERR PREFIX "Could not register bus type\n");
}
- acpi_power_init();
+ acpi_pci_root_init();
+ acpi_pci_link_init();
+ acpi_platform_init();
+ acpi_csrt_init();
+ acpi_container_init();
+ mutex_lock(&acpi_scan_lock);
/*
* Enumerate devices in the ACPI namespace.
*/
- result = acpi_bus_scan(ACPI_ROOT_OBJECT, &ops, &acpi_root);
-
- if (!result)
- result = acpi_bus_scan_fixed();
+ result = acpi_bus_scan(ACPI_ROOT_OBJECT);
+ if (result)
+ goto out;
+ result = acpi_bus_get_device(ACPI_ROOT_OBJECT, &acpi_root);
if (result)
- acpi_device_unregister(acpi_root, ACPI_BUS_REMOVAL_NORMAL);
- else
- acpi_update_all_gpes();
+ goto out;
+
+ result = acpi_bus_scan_fixed();
+ if (result) {
+ acpi_device_unregister(acpi_root);
+ goto out;
+ }
+ acpi_update_all_gpes();
+
+ out:
+ mutex_unlock(&acpi_scan_lock);
return result;
}
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 2fcc67d34b1..6d3a06a629a 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -177,6 +177,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
},
{
.callback = init_nvs_nosave,
+ .ident = "Sony Vaio VGN-FW41E_H",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FW41E_H"),
+ },
+ },
+ {
+ .callback = init_nvs_nosave,
.ident = "Sony Vaio VGN-FW21E",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
@@ -386,6 +394,8 @@ static void acpi_pm_finish(void)
acpi_target_sleep_state = ACPI_STATE_S0;
+ acpi_resume_power_resources();
+
/* If we were woken with the fixed power button, provide a small
* hint to userspace in the form of a wakeup event on the fixed power
* button device (if it can be found).
@@ -577,7 +587,28 @@ static const struct platform_suspend_ops acpi_suspend_ops_old = {
.end = acpi_pm_end,
.recover = acpi_pm_finish,
};
-#endif /* CONFIG_SUSPEND */
+
+static void acpi_sleep_suspend_setup(void)
+{
+ int i;
+
+ for (i = ACPI_STATE_S1; i < ACPI_STATE_S4; i++) {
+ acpi_status status;
+ u8 type_a, type_b;
+
+ status = acpi_get_sleep_type_data(i, &type_a, &type_b);
+ if (ACPI_SUCCESS(status)) {
+ sleep_states[i] = 1;
+ pr_cont(" S%d", i);
+ }
+ }
+
+ suspend_set_ops(old_suspend_ordering ?
+ &acpi_suspend_ops_old : &acpi_suspend_ops);
+}
+#else /* !CONFIG_SUSPEND */
+static inline void acpi_sleep_suspend_setup(void) {}
+#endif /* !CONFIG_SUSPEND */
#ifdef CONFIG_HIBERNATION
static unsigned long s4_hardware_signature;
@@ -698,7 +729,30 @@ static const struct platform_hibernation_ops acpi_hibernation_ops_old = {
.restore_cleanup = acpi_pm_thaw,
.recover = acpi_pm_finish,
};
-#endif /* CONFIG_HIBERNATION */
+
+static void acpi_sleep_hibernate_setup(void)
+{
+ acpi_status status;
+ u8 type_a, type_b;
+
+ status = acpi_get_sleep_type_data(ACPI_STATE_S4, &type_a, &type_b);
+ if (ACPI_FAILURE(status))
+ return;
+
+ hibernation_set_ops(old_suspend_ordering ?
+ &acpi_hibernation_ops_old : &acpi_hibernation_ops);
+ sleep_states[ACPI_STATE_S4] = 1;
+ pr_cont(KERN_CONT " S4");
+ if (nosigcheck)
+ return;
+
+ acpi_get_table(ACPI_SIG_FACS, 1, (struct acpi_table_header **)&facs);
+ if (facs)
+ s4_hardware_signature = facs->hardware_signature;
+}
+#else /* !CONFIG_HIBERNATION */
+static inline void acpi_sleep_hibernate_setup(void) {}
+#endif /* !CONFIG_HIBERNATION */
int acpi_suspend(u32 acpi_state)
{
@@ -734,9 +788,6 @@ int __init acpi_sleep_init(void)
{
acpi_status status;
u8 type_a, type_b;
-#ifdef CONFIG_SUSPEND
- int i = 0;
-#endif
if (acpi_disabled)
return 0;
@@ -744,45 +795,19 @@ int __init acpi_sleep_init(void)
acpi_sleep_dmi_check();
sleep_states[ACPI_STATE_S0] = 1;
- printk(KERN_INFO PREFIX "(supports S0");
-
-#ifdef CONFIG_SUSPEND
- for (i = ACPI_STATE_S1; i < ACPI_STATE_S4; i++) {
- status = acpi_get_sleep_type_data(i, &type_a, &type_b);
- if (ACPI_SUCCESS(status)) {
- sleep_states[i] = 1;
- printk(KERN_CONT " S%d", i);
- }
- }
+ pr_info(PREFIX "(supports S0");
- suspend_set_ops(old_suspend_ordering ?
- &acpi_suspend_ops_old : &acpi_suspend_ops);
-#endif
+ acpi_sleep_suspend_setup();
+ acpi_sleep_hibernate_setup();
-#ifdef CONFIG_HIBERNATION
- status = acpi_get_sleep_type_data(ACPI_STATE_S4, &type_a, &type_b);
- if (ACPI_SUCCESS(status)) {
- hibernation_set_ops(old_suspend_ordering ?
- &acpi_hibernation_ops_old : &acpi_hibernation_ops);
- sleep_states[ACPI_STATE_S4] = 1;
- printk(KERN_CONT " S4");
- if (!nosigcheck) {
- acpi_get_table(ACPI_SIG_FACS, 1,
- (struct acpi_table_header **)&facs);
- if (facs)
- s4_hardware_signature =
- facs->hardware_signature;
- }
- }
-#endif
status = acpi_get_sleep_type_data(ACPI_STATE_S5, &type_a, &type_b);
if (ACPI_SUCCESS(status)) {
sleep_states[ACPI_STATE_S5] = 1;
- printk(KERN_CONT " S5");
+ pr_cont(" S5");
pm_power_off_prepare = acpi_power_off_prepare;
pm_power_off = acpi_power_off;
}
- printk(KERN_CONT ")\n");
+ pr_cont(")\n");
/*
* Register the tts_notifier to reboot notifier list so that the _TTS
* object can also be evaluated when the system enters S5.
diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h
index 74d59c8f467..0143540a251 100644
--- a/drivers/acpi/sleep.h
+++ b/drivers/acpi/sleep.h
@@ -6,3 +6,5 @@ extern void acpi_disable_wakeup_devices(u8 sleep_state);
extern struct list_head acpi_wakeup_device_list;
extern struct mutex acpi_device_lock;
+
+extern void acpi_resume_power_resources(void);
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index ea61ca9129c..41c0504470d 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -498,7 +498,7 @@ static int get_status(u32 index, acpi_event_status *status,
result = acpi_get_gpe_device(index, handle);
if (result) {
ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND,
- "Invalid GPE 0x%x\n", index));
+ "Invalid GPE 0x%x", index));
goto end;
}
result = acpi_get_gpe_status(*handle, index, status);
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 2572d9715bd..d67a1fe07f0 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -204,7 +204,7 @@ int __init
acpi_table_parse_entries(char *id,
unsigned long table_size,
int entry_id,
- acpi_table_entry_handler handler,
+ acpi_tbl_entry_handler handler,
unsigned int max_entries)
{
struct acpi_table_header *table_header = NULL;
@@ -269,7 +269,7 @@ err:
int __init
acpi_table_parse_madt(enum acpi_madt_type id,
- acpi_table_entry_handler handler, unsigned int max_entries)
+ acpi_tbl_entry_handler handler, unsigned int max_entries)
{
return acpi_table_parse_entries(ACPI_SIG_MADT,
sizeof(struct acpi_table_madt), id,
@@ -285,7 +285,7 @@ acpi_table_parse_madt(enum acpi_madt_type id,
* Scan the ACPI System Descriptor Table (STD) for a table matching @id,
* run @handler on it. Return 0 if table found, return on if not.
*/
-int __init acpi_table_parse(char *id, acpi_table_handler handler)
+int __init acpi_table_parse(char *id, acpi_tbl_table_handler handler)
{
struct acpi_table_header *table = NULL;
acpi_size tbl_size;
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 506fbd4b573..8470771e5ea 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -97,7 +97,7 @@ module_param(psv, int, 0644);
MODULE_PARM_DESC(psv, "Disable or override all passive trip points.");
static int acpi_thermal_add(struct acpi_device *device);
-static int acpi_thermal_remove(struct acpi_device *device, int type);
+static int acpi_thermal_remove(struct acpi_device *device);
static void acpi_thermal_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id thermal_device_ids[] = {
@@ -288,7 +288,7 @@ do { \
if (flags != ACPI_TRIPS_INIT) \
ACPI_EXCEPTION((AE_INFO, AE_ERROR, \
"ACPI thermal trip point %s changed\n" \
- "Please send acpidump to linux-acpi@vger.kernel.org\n", str)); \
+ "Please send acpidump to linux-acpi@vger.kernel.org", str)); \
} while (0)
static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
@@ -531,6 +531,10 @@ static void acpi_thermal_check(void *data)
{
struct acpi_thermal *tz = data;
+ if (!tz->tz_enabled) {
+ pr_warn("thermal zone is disabled \n");
+ return;
+ }
thermal_zone_device_update(tz->thermal_zone);
}
@@ -1111,7 +1115,7 @@ end:
return result;
}
-static int acpi_thermal_remove(struct acpi_device *device, int type)
+static int acpi_thermal_remove(struct acpi_device *device)
{
struct acpi_thermal *tz = NULL;
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index ac9a69cd45f..313f959413d 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -88,7 +88,7 @@ module_param(use_bios_initial_backlight, bool, 0644);
static int register_count = 0;
static int acpi_video_bus_add(struct acpi_device *device);
-static int acpi_video_bus_remove(struct acpi_device *device, int type);
+static int acpi_video_bus_remove(struct acpi_device *device);
static void acpi_video_bus_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id video_device_ids[] = {
@@ -673,7 +673,7 @@ acpi_video_init_brightness(struct acpi_video_device *device)
br->levels[i] = br->levels[i - level_ac_battery];
count += level_ac_battery;
} else if (level_ac_battery > 2)
- ACPI_ERROR((AE_INFO, "Too many duplicates in _BCL package\n"));
+ ACPI_ERROR((AE_INFO, "Too many duplicates in _BCL package"));
/* Check if the _BCL package is in a reversed order */
if (max_level == br->levels[2]) {
@@ -682,7 +682,7 @@ acpi_video_init_brightness(struct acpi_video_device *device)
acpi_video_cmp_level, NULL);
} else if (max_level != br->levels[count - 1])
ACPI_ERROR((AE_INFO,
- "Found unordered _BCL package\n"));
+ "Found unordered _BCL package"));
br->count = count;
device->brightness = br;
@@ -1740,7 +1740,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
return error;
}
-static int acpi_video_bus_remove(struct acpi_device *device, int type)
+static int acpi_video_bus_remove(struct acpi_device *device)
{
struct acpi_video_bus *video = NULL;
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index ef01ac07502..6fc67f7efb2 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -1029,30 +1029,20 @@ static void ata_acpi_register_power_resource(struct ata_device *dev)
{
struct scsi_device *sdev = dev->sdev;
acpi_handle handle;
- struct device *device;
handle = ata_dev_acpi_handle(dev);
- if (!handle)
- return;
-
- device = &sdev->sdev_gendev;
-
- acpi_power_resource_register_device(device, handle);
+ if (handle)
+ acpi_dev_pm_remove_dependent(handle, &sdev->sdev_gendev);
}
static void ata_acpi_unregister_power_resource(struct ata_device *dev)
{
struct scsi_device *sdev = dev->sdev;
acpi_handle handle;
- struct device *device;
handle = ata_dev_acpi_handle(dev);
- if (!handle)
- return;
-
- device = &sdev->sdev_gendev;
-
- acpi_power_resource_unregister_device(device, handle);
+ if (handle)
+ acpi_dev_pm_remove_dependent(handle, &sdev->sdev_gendev);
}
void ata_acpi_bind(struct ata_device *dev)
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index acc3a8ded29..9a6b05a3560 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -433,8 +433,7 @@ static bool genpd_abort_poweroff(struct generic_pm_domain *genpd)
*/
void genpd_queue_power_off_work(struct generic_pm_domain *genpd)
{
- if (!work_pending(&genpd->power_off_work))
- queue_work(pm_wq, &genpd->power_off_work);
+ queue_work(pm_wq, &genpd->power_off_work);
}
/**
diff --git a/drivers/base/power/opp.c b/drivers/base/power/opp.c
index 50b2831e027..32ee0fc7ea5 100644
--- a/drivers/base/power/opp.c
+++ b/drivers/base/power/opp.c
@@ -162,7 +162,7 @@ unsigned long opp_get_voltage(struct opp *opp)
return v;
}
-EXPORT_SYMBOL(opp_get_voltage);
+EXPORT_SYMBOL_GPL(opp_get_voltage);
/**
* opp_get_freq() - Gets the frequency corresponding to an available opp
@@ -192,7 +192,7 @@ unsigned long opp_get_freq(struct opp *opp)
return f;
}
-EXPORT_SYMBOL(opp_get_freq);
+EXPORT_SYMBOL_GPL(opp_get_freq);
/**
* opp_get_opp_count() - Get number of opps available in the opp list
@@ -225,7 +225,7 @@ int opp_get_opp_count(struct device *dev)
return count;
}
-EXPORT_SYMBOL(opp_get_opp_count);
+EXPORT_SYMBOL_GPL(opp_get_opp_count);
/**
* opp_find_freq_exact() - search for an exact frequency
@@ -276,7 +276,7 @@ struct opp *opp_find_freq_exact(struct device *dev, unsigned long freq,
return opp;
}
-EXPORT_SYMBOL(opp_find_freq_exact);
+EXPORT_SYMBOL_GPL(opp_find_freq_exact);
/**
* opp_find_freq_ceil() - Search for an rounded ceil freq
@@ -323,7 +323,7 @@ struct opp *opp_find_freq_ceil(struct device *dev, unsigned long *freq)
return opp;
}
-EXPORT_SYMBOL(opp_find_freq_ceil);
+EXPORT_SYMBOL_GPL(opp_find_freq_ceil);
/**
* opp_find_freq_floor() - Search for a rounded floor freq
@@ -374,7 +374,7 @@ struct opp *opp_find_freq_floor(struct device *dev, unsigned long *freq)
return opp;
}
-EXPORT_SYMBOL(opp_find_freq_floor);
+EXPORT_SYMBOL_GPL(opp_find_freq_floor);
/**
* opp_add() - Add an OPP table from a table definitions
@@ -568,7 +568,7 @@ int opp_enable(struct device *dev, unsigned long freq)
{
return opp_set_availability(dev, freq, true);
}
-EXPORT_SYMBOL(opp_enable);
+EXPORT_SYMBOL_GPL(opp_enable);
/**
* opp_disable() - Disable a specific OPP
@@ -590,7 +590,7 @@ int opp_disable(struct device *dev, unsigned long freq)
{
return opp_set_availability(dev, freq, false);
}
-EXPORT_SYMBOL(opp_disable);
+EXPORT_SYMBOL_GPL(opp_disable);
#ifdef CONFIG_CPU_FREQ
/**
@@ -661,6 +661,7 @@ int opp_init_cpufreq_table(struct device *dev,
return 0;
}
+EXPORT_SYMBOL_GPL(opp_init_cpufreq_table);
/**
* opp_free_cpufreq_table() - free the cpufreq table
@@ -678,6 +679,7 @@ void opp_free_cpufreq_table(struct device *dev,
kfree(*table);
*table = NULL;
}
+EXPORT_SYMBOL_GPL(opp_free_cpufreq_table);
#endif /* CONFIG_CPU_FREQ */
/**
@@ -738,4 +740,5 @@ int of_init_opp_table(struct device *dev)
return 0;
}
+EXPORT_SYMBOL_GPL(of_init_opp_table);
#endif
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index e6ee5e80e54..79715e7fa43 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -382,6 +382,12 @@ static void wakeup_source_activate(struct wakeup_source *ws)
{
unsigned int cec;
+ /*
+ * active wakeup source should bring the system
+ * out of PM_SUSPEND_FREEZE state
+ */
+ freeze_wake();
+
ws->active = true;
ws->active_count++;
ws->last_time = ktime_get();
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index fe6d4be4829..e3f9a99b852 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -1041,7 +1041,7 @@ static int hpet_acpi_add(struct acpi_device *device)
return hpet_alloc(&data);
}
-static int hpet_acpi_remove(struct acpi_device *device, int type)
+static int hpet_acpi_remove(struct acpi_device *device)
{
/* XXX need to unregister clocksource, dealloc mem, etc */
return -EINVAL;
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index d780295a147..6386a98e43c 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1142,7 +1142,7 @@ static int sonypi_acpi_add(struct acpi_device *device)
return 0;
}
-static int sonypi_acpi_remove(struct acpi_device *device, int type)
+static int sonypi_acpi_remove(struct acpi_device *device)
{
sonypi_acpi_device = NULL;
return 0;
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 0ad642fbe79..14fde73ea6f 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_MACH_LOONGSON1) += clk-ls1x.o
obj-$(CONFIG_ARCH_U8500) += ux500/
obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o
obj-$(CONFIG_ARCH_ZYNQ) += clk-zynq.o
+obj-$(CONFIG_X86) += x86/
# Chip specific
obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o
diff --git a/drivers/clk/clk-highbank.c b/drivers/clk/clk-highbank.c
index 5d1de2e1175..2e08cb00193 100644
--- a/drivers/clk/clk-highbank.c
+++ b/drivers/clk/clk-highbank.c
@@ -182,8 +182,10 @@ static int clk_pll_set_rate(struct clk_hw *hwclk, unsigned long rate,
reg |= HB_PLL_EXT_ENA;
reg &= ~HB_PLL_EXT_BYPASS;
} else {
+ writel(reg | HB_PLL_EXT_BYPASS, hbclk->reg);
reg &= ~HB_PLL_DIVQ_MASK;
reg |= divq << HB_PLL_DIVQ_SHIFT;
+ writel(reg | HB_PLL_EXT_BYPASS, hbclk->reg);
}
writel(reg, hbclk->reg);
diff --git a/drivers/clk/mvebu/clk-gating-ctrl.c b/drivers/clk/mvebu/clk-gating-ctrl.c
index 8fa5408b6c7..ebf141d4374 100644
--- a/drivers/clk/mvebu/clk-gating-ctrl.c
+++ b/drivers/clk/mvebu/clk-gating-ctrl.c
@@ -193,6 +193,7 @@ static const struct mvebu_soc_descr __initconst kirkwood_gating_descr[] = {
{ "runit", NULL, 7 },
{ "xor0", NULL, 8 },
{ "audio", NULL, 9 },
+ { "powersave", "cpuclk", 11 },
{ "sata0", NULL, 14 },
{ "sata1", NULL, 15 },
{ "xor1", NULL, 16 },
diff --git a/drivers/clk/x86/Makefile b/drivers/clk/x86/Makefile
new file mode 100644
index 00000000000..f9ba4fab0dd
--- /dev/null
+++ b/drivers/clk/x86/Makefile
@@ -0,0 +1,2 @@
+clk-x86-lpss-objs := clk-lpss.o clk-lpt.o
+obj-$(CONFIG_X86_INTEL_LPSS) += clk-x86-lpss.o
diff --git a/drivers/clk/x86/clk-lpss.c b/drivers/clk/x86/clk-lpss.c
new file mode 100644
index 00000000000..b5e229f3c3d
--- /dev/null
+++ b/drivers/clk/x86/clk-lpss.c
@@ -0,0 +1,99 @@
+/*
+ * Intel Low Power Subsystem clocks.
+ *
+ * Copyright (C) 2013, Intel Corporation
+ * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Heikki Krogerus <heikki.krogerus@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+
+static int clk_lpss_is_mmio_resource(struct acpi_resource *res, void *data)
+{
+ struct resource r;
+ return !acpi_dev_resource_memory(res, &r);
+}
+
+static acpi_status clk_lpss_find_mmio(acpi_handle handle, u32 level,
+ void *data, void **retval)
+{
+ struct resource_list_entry *rentry;
+ struct list_head resource_list;
+ struct acpi_device *adev;
+ const char *uid = data;
+ int ret;
+
+ if (acpi_bus_get_device(handle, &adev))
+ return AE_OK;
+
+ if (uid) {
+ if (!adev->pnp.unique_id)
+ return AE_OK;
+ if (strcmp(uid, adev->pnp.unique_id))
+ return AE_OK;
+ }
+
+ INIT_LIST_HEAD(&resource_list);
+ ret = acpi_dev_get_resources(adev, &resource_list,
+ clk_lpss_is_mmio_resource, NULL);
+ if (ret < 0)
+ return AE_NO_MEMORY;
+
+ list_for_each_entry(rentry, &resource_list, node)
+ if (resource_type(&rentry->res) == IORESOURCE_MEM) {
+ *(struct resource *)retval = rentry->res;
+ break;
+ }
+
+ acpi_dev_free_resource_list(&resource_list);
+ return AE_OK;
+}
+
+/**
+ * clk_register_lpss_gate - register LPSS clock gate
+ * @name: name of this clock gate
+ * @parent_name: parent clock name
+ * @hid: ACPI _HID of the device
+ * @uid: ACPI _UID of the device (optional)
+ * @offset: LPSS PRV_CLOCK_PARAMS offset
+ *
+ * Creates and registers LPSS clock gate.
+ */
+struct clk *clk_register_lpss_gate(const char *name, const char *parent_name,
+ const char *hid, const char *uid,
+ unsigned offset)
+{
+ struct resource res = { };
+ void __iomem *mmio_base;
+ acpi_status status;
+ struct clk *clk;
+
+ /*
+ * First try to look the device and its mmio resource from the
+ * ACPI namespace.
+ */
+ status = acpi_get_devices(hid, clk_lpss_find_mmio, (void *)uid,
+ (void **)&res);
+ if (ACPI_FAILURE(status) || !res.start)
+ return ERR_PTR(-ENODEV);
+
+ mmio_base = ioremap(res.start, resource_size(&res));
+ if (!mmio_base)
+ return ERR_PTR(-ENOMEM);
+
+ clk = clk_register_gate(NULL, name, parent_name, 0, mmio_base + offset,
+ 0, 0, NULL);
+ if (IS_ERR(clk))
+ iounmap(mmio_base);
+
+ return clk;
+}
diff --git a/drivers/clk/x86/clk-lpss.h b/drivers/clk/x86/clk-lpss.h
new file mode 100644
index 00000000000..e9460f44229
--- /dev/null
+++ b/drivers/clk/x86/clk-lpss.h
@@ -0,0 +1,36 @@
+/*
+ * Intel Low Power Subsystem clock.
+ *
+ * Copyright (C) 2013, Intel Corporation
+ * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Heikki Krogerus <heikki.krogerus@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __CLK_LPSS_H
+#define __CLK_LPSS_H
+
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/clk.h>
+
+#ifdef CONFIG_ACPI
+extern struct clk *clk_register_lpss_gate(const char *name,
+ const char *parent_name,
+ const char *hid, const char *uid,
+ unsigned offset);
+#else
+static inline struct clk *clk_register_lpss_gate(const char *name,
+ const char *parent_name,
+ const char *hid,
+ const char *uid,
+ unsigned offset)
+{
+ return ERR_PTR(-ENODEV);
+}
+#endif
+
+#endif /* __CLK_LPSS_H */
diff --git a/drivers/clk/x86/clk-lpt.c b/drivers/clk/x86/clk-lpt.c
new file mode 100644
index 00000000000..81298aeef7e
--- /dev/null
+++ b/drivers/clk/x86/clk-lpt.c
@@ -0,0 +1,86 @@
+/*
+ * Intel Lynxpoint LPSS clocks.
+ *
+ * Copyright (C) 2013, Intel Corporation
+ * Authors: Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Heikki Krogerus <heikki.krogerus@linux.intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "clk-lpss.h"
+
+#define PRV_CLOCK_PARAMS 0x800
+
+static int lpt_clk_probe(struct platform_device *pdev)
+{
+ struct clk *clk;
+
+ /* LPSS free running clock */
+ clk = clk_register_fixed_rate(&pdev->dev, "lpss_clk", NULL, CLK_IS_ROOT,
+ 100000000);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ /* Shared DMA clock */
+ clk_register_clkdev(clk, "hclk", "INTL9C60.0.auto");
+
+ /* SPI clocks */
+ clk = clk_register_lpss_gate("spi0_clk", "lpss_clk", "INT33C0", NULL,
+ PRV_CLOCK_PARAMS);
+ if (!IS_ERR(clk))
+ clk_register_clkdev(clk, NULL, "INT33C0:00");
+
+ clk = clk_register_lpss_gate("spi1_clk", "lpss_clk", "INT33C1", NULL,
+ PRV_CLOCK_PARAMS);
+ if (!IS_ERR(clk))
+ clk_register_clkdev(clk, NULL, "INT33C1:00");
+
+ /* I2C clocks */
+ clk = clk_register_lpss_gate("i2c0_clk", "lpss_clk", "INT33C2", NULL,
+ PRV_CLOCK_PARAMS);
+ if (!IS_ERR(clk))
+ clk_register_clkdev(clk, NULL, "INT33C2:00");
+
+ clk = clk_register_lpss_gate("i2c1_clk", "lpss_clk", "INT33C3", NULL,
+ PRV_CLOCK_PARAMS);
+ if (!IS_ERR(clk))
+ clk_register_clkdev(clk, NULL, "INT33C3:00");
+
+ /* UART clocks */
+ clk = clk_register_lpss_gate("uart0_clk", "lpss_clk", "INT33C4", NULL,
+ PRV_CLOCK_PARAMS);
+ if (!IS_ERR(clk))
+ clk_register_clkdev(clk, NULL, "INT33C4:00");
+
+ clk = clk_register_lpss_gate("uart1_clk", "lpss_clk", "INT33C5", NULL,
+ PRV_CLOCK_PARAMS);
+ if (!IS_ERR(clk))
+ clk_register_clkdev(clk, NULL, "INT33C5:00");
+
+ return 0;
+}
+
+static struct platform_driver lpt_clk_driver = {
+ .driver = {
+ .name = "clk-lpt",
+ .owner = THIS_MODULE,
+ },
+ .probe = lpt_clk_probe,
+};
+
+static int __init lpt_clk_init(void)
+{
+ return platform_driver_register(&lpt_clk_driver);
+}
+arch_initcall(lpt_clk_init);
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index e0a899f25e3..cbcb21e3277 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -185,7 +185,7 @@ config CPU_FREQ_GOV_CONSERVATIVE
If in doubt, say N.
config GENERIC_CPUFREQ_CPU0
- bool "Generic CPU0 cpufreq driver"
+ tristate "Generic CPU0 cpufreq driver"
depends on HAVE_CLK && REGULATOR && PM_OPP && OF
select CPU_FREQ_TABLE
help
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index a0b3661d90b..7f333af1c05 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -77,9 +77,39 @@ config ARM_EXYNOS5250_CPUFREQ
This adds the CPUFreq driver for Samsung EXYNOS5250
SoC.
+config ARM_KIRKWOOD_CPUFREQ
+ def_bool ARCH_KIRKWOOD && OF
+ help
+ This adds the CPUFreq driver for Marvell Kirkwood
+ SoCs.
+
+config ARM_IMX6Q_CPUFREQ
+ tristate "Freescale i.MX6Q cpufreq support"
+ depends on SOC_IMX6Q
+ depends on REGULATOR_ANATOP
+ help
+ This adds cpufreq driver support for Freescale i.MX6Q SOC.
+
+ If in doubt, say N.
+
config ARM_SPEAR_CPUFREQ
bool "SPEAr CPUFreq support"
depends on PLAT_SPEAR
default y
help
This adds the CPUFreq driver support for SPEAr SOCs.
+
+config ARM_HIGHBANK_CPUFREQ
+ tristate "Calxeda Highbank-based"
+ depends on ARCH_HIGHBANK
+ select CPU_FREQ_TABLE
+ select GENERIC_CPUFREQ_CPU0
+ select PM_OPP
+ select REGULATOR
+
+ default m
+ help
+ This adds the CPUFreq driver for Calxeda Highbank SoC
+ based boards.
+
+ If in doubt, say N.
diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86
index 7227cd73404..98e5abbe8f2 100644
--- a/drivers/cpufreq/Kconfig.x86
+++ b/drivers/cpufreq/Kconfig.x86
@@ -2,6 +2,19 @@
# x86 CPU Frequency scaling drivers
#
+config X86_INTEL_PSTATE
+ bool "Intel P state control"
+ depends on X86
+ help
+ This driver provides a P state for Intel core processors.
+ The driver implements an internal governor and will become
+ the scaling driver and governor for Sandy bridge processors.
+
+ When this driver is enabled it will become the perferred
+ scaling driver for Sandy bridge processors.
+
+ If in doubt, say N.
+
config X86_PCC_CPUFREQ
tristate "Processor Clocking Control interface driver"
depends on ACPI && ACPI_PROCESSOR
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index fadc4d496e2..5399c45ac31 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -19,11 +19,12 @@ obj-$(CONFIG_GENERIC_CPUFREQ_CPU0) += cpufreq-cpu0.o
##################################################################################
# x86 drivers.
# Link order matters. K8 is preferred to ACPI because of firmware bugs in early
-# K8 systems. ACPI is preferred to all other hardware-specific drivers.
+# K8 systems. This is still the case but acpi-cpufreq errors out so that
+# powernow-k8 can load then. ACPI is preferred to all other hardware-specific drivers.
# speedstep-* is preferred over p4-clockmod.
-obj-$(CONFIG_X86_POWERNOW_K8) += powernow-k8.o
obj-$(CONFIG_X86_ACPI_CPUFREQ) += acpi-cpufreq.o mperf.o
+obj-$(CONFIG_X86_POWERNOW_K8) += powernow-k8.o
obj-$(CONFIG_X86_PCC_CPUFREQ) += pcc-cpufreq.o
obj-$(CONFIG_X86_POWERNOW_K6) += powernow-k6.o
obj-$(CONFIG_X86_POWERNOW_K7) += powernow-k7.o
@@ -39,6 +40,7 @@ obj-$(CONFIG_X86_SPEEDSTEP_SMI) += speedstep-smi.o
obj-$(CONFIG_X86_SPEEDSTEP_CENTRINO) += speedstep-centrino.o
obj-$(CONFIG_X86_P4_CLOCKMOD) += p4-clockmod.o
obj-$(CONFIG_X86_CPUFREQ_NFORCE2) += cpufreq-nforce2.o
+obj-$(CONFIG_X86_INTEL_PSTATE) += intel_pstate.o
##################################################################################
# ARM SoC drivers
@@ -50,8 +52,11 @@ obj-$(CONFIG_ARM_EXYNOS_CPUFREQ) += exynos-cpufreq.o
obj-$(CONFIG_ARM_EXYNOS4210_CPUFREQ) += exynos4210-cpufreq.o
obj-$(CONFIG_ARM_EXYNOS4X12_CPUFREQ) += exynos4x12-cpufreq.o
obj-$(CONFIG_ARM_EXYNOS5250_CPUFREQ) += exynos5250-cpufreq.o
-obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o
+obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += kirkwood-cpufreq.o
+obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o
obj-$(CONFIG_ARM_SPEAR_CPUFREQ) += spear-cpufreq.o
+obj-$(CONFIG_ARM_HIGHBANK_CPUFREQ) += highbank-cpufreq.o
+obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o
##################################################################################
# PowerPC platform drivers
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 7b0d49d78c6..937bc286591 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -734,7 +734,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
#ifdef CONFIG_SMP
dmi_check_system(sw_any_bug_dmi_table);
- if (bios_with_sw_any_bug && cpumask_weight(policy->cpus) == 1) {
+ if (bios_with_sw_any_bug && !policy_is_shared(policy)) {
policy->shared_type = CPUFREQ_SHARED_TYPE_ALL;
cpumask_copy(policy->cpus, cpu_core_mask(cpu));
}
@@ -762,6 +762,12 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
switch (perf->control_register.space_id) {
case ACPI_ADR_SPACE_SYSTEM_IO:
+ if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
+ boot_cpu_data.x86 == 0xf) {
+ pr_debug("AMD K8 systems must use native drivers.\n");
+ result = -ENODEV;
+ goto err_unreg;
+ }
pr_debug("SYSTEM IO addr space\n");
data->cpu_feature = SYSTEM_IO_CAPABLE;
break;
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index debc5a7c8db..4e5b7fb8927 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -12,12 +12,12 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/clk.h>
-#include <linux/cpu.h>
#include <linux/cpufreq.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/opp.h>
+#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
@@ -146,7 +146,6 @@ static int cpu0_cpufreq_init(struct cpufreq_policy *policy)
* share the clock and voltage and clock. Use cpufreq affected_cpus
* interface to have all CPUs scaled together.
*/
- policy->shared_type = CPUFREQ_SHARED_TYPE_ANY;
cpumask_setall(policy->cpus);
cpufreq_frequency_table_get_attr(freq_table, policy->cpu);
@@ -177,34 +176,32 @@ static struct cpufreq_driver cpu0_cpufreq_driver = {
.attr = cpu0_cpufreq_attr,
};
-static int cpu0_cpufreq_driver_init(void)
+static int cpu0_cpufreq_probe(struct platform_device *pdev)
{
struct device_node *np;
int ret;
- np = of_find_node_by_path("/cpus/cpu@0");
+ for_each_child_of_node(of_find_node_by_path("/cpus"), np) {
+ if (of_get_property(np, "operating-points", NULL))
+ break;
+ }
+
if (!np) {
pr_err("failed to find cpu0 node\n");
return -ENOENT;
}
- cpu_dev = get_cpu_device(0);
- if (!cpu_dev) {
- pr_err("failed to get cpu0 device\n");
- ret = -ENODEV;
- goto out_put_node;
- }
-
+ cpu_dev = &pdev->dev;
cpu_dev->of_node = np;
- cpu_clk = clk_get(cpu_dev, NULL);
+ cpu_clk = devm_clk_get(cpu_dev, NULL);
if (IS_ERR(cpu_clk)) {
ret = PTR_ERR(cpu_clk);
pr_err("failed to get cpu0 clock: %d\n", ret);
goto out_put_node;
}
- cpu_reg = regulator_get(cpu_dev, "cpu0");
+ cpu_reg = devm_regulator_get(cpu_dev, "cpu0");
if (IS_ERR(cpu_reg)) {
pr_warn("failed to get cpu0 regulator\n");
cpu_reg = NULL;
@@ -267,7 +264,24 @@ out_put_node:
of_node_put(np);
return ret;
}
-late_initcall(cpu0_cpufreq_driver_init);
+
+static int cpu0_cpufreq_remove(struct platform_device *pdev)
+{
+ cpufreq_unregister_driver(&cpu0_cpufreq_driver);
+ opp_free_cpufreq_table(cpu_dev, &freq_table);
+
+ return 0;
+}
+
+static struct platform_driver cpu0_cpufreq_platdrv = {
+ .driver = {
+ .name = "cpufreq-cpu0",
+ .owner = THIS_MODULE,
+ },
+ .probe = cpu0_cpufreq_probe,
+ .remove = cpu0_cpufreq_remove,
+};
+module_platform_driver(cpu0_cpufreq_platdrv);
MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>");
MODULE_DESCRIPTION("Generic CPU0 cpufreq driver");
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 1f93dbd7235..b02824d092e 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -59,8 +59,6 @@ static DEFINE_SPINLOCK(cpufreq_driver_lock);
* mode before doing so.
*
* Additional rules:
- * - All holders of the lock should check to make sure that the CPU they
- * are concerned with are online after they get the lock.
* - Governor routines that can be called in cpufreq hotplug path should not
* take this sem as top level hotplug notifier handler takes this.
* - Lock should not be held across
@@ -70,38 +68,28 @@ static DEFINE_PER_CPU(int, cpufreq_policy_cpu);
static DEFINE_PER_CPU(struct rw_semaphore, cpu_policy_rwsem);
#define lock_policy_rwsem(mode, cpu) \
-static int lock_policy_rwsem_##mode \
-(int cpu) \
+static int lock_policy_rwsem_##mode(int cpu) \
{ \
int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu); \
BUG_ON(policy_cpu == -1); \
down_##mode(&per_cpu(cpu_policy_rwsem, policy_cpu)); \
- if (unlikely(!cpu_online(cpu))) { \
- up_##mode(&per_cpu(cpu_policy_rwsem, policy_cpu)); \
- return -1; \
- } \
\
return 0; \
}
lock_policy_rwsem(read, cpu);
-
lock_policy_rwsem(write, cpu);
-static void unlock_policy_rwsem_read(int cpu)
-{
- int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu);
- BUG_ON(policy_cpu == -1);
- up_read(&per_cpu(cpu_policy_rwsem, policy_cpu));
-}
-
-static void unlock_policy_rwsem_write(int cpu)
-{
- int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu);
- BUG_ON(policy_cpu == -1);
- up_write(&per_cpu(cpu_policy_rwsem, policy_cpu));
+#define unlock_policy_rwsem(mode, cpu) \
+static void unlock_policy_rwsem_##mode(int cpu) \
+{ \
+ int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu); \
+ BUG_ON(policy_cpu == -1); \
+ up_##mode(&per_cpu(cpu_policy_rwsem, policy_cpu)); \
}
+unlock_policy_rwsem(read, cpu);
+unlock_policy_rwsem(write, cpu);
/* internal prototypes */
static int __cpufreq_governor(struct cpufreq_policy *policy,
@@ -180,6 +168,9 @@ err_out:
struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
{
+ if (cpufreq_disabled())
+ return NULL;
+
return __cpufreq_cpu_get(cpu, false);
}
EXPORT_SYMBOL_GPL(cpufreq_cpu_get);
@@ -198,6 +189,9 @@ static void __cpufreq_cpu_put(struct cpufreq_policy *data, bool sysfs)
void cpufreq_cpu_put(struct cpufreq_policy *data)
{
+ if (cpufreq_disabled())
+ return;
+
__cpufreq_cpu_put(data, false);
}
EXPORT_SYMBOL_GPL(cpufreq_cpu_put);
@@ -261,14 +255,21 @@ static inline void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci)
void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
{
struct cpufreq_policy *policy;
+ unsigned long flags;
BUG_ON(irqs_disabled());
+ if (cpufreq_disabled())
+ return;
+
freqs->flags = cpufreq_driver->flags;
pr_debug("notification %u of frequency transition to %u kHz\n",
state, freqs->new);
+ spin_lock_irqsave(&cpufreq_driver_lock, flags);
policy = per_cpu(cpufreq_cpu_data, freqs->cpu);
+ spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
+
switch (state) {
case CPUFREQ_PRECHANGE:
@@ -294,7 +295,6 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
adjust_jiffies(CPUFREQ_POSTCHANGE, freqs);
pr_debug("FREQ: %lu - CPU: %lu", (unsigned long)freqs->new,
(unsigned long)freqs->cpu);
- trace_power_frequency(POWER_PSTATE, freqs->new, freqs->cpu);
trace_cpu_frequency(freqs->new, freqs->cpu);
srcu_notifier_call_chain(&cpufreq_transition_notifier_list,
CPUFREQ_POSTCHANGE, freqs);
@@ -543,8 +543,6 @@ static ssize_t show_cpus(const struct cpumask *mask, char *buf)
*/
static ssize_t show_related_cpus(struct cpufreq_policy *policy, char *buf)
{
- if (cpumask_empty(policy->related_cpus))
- return show_cpus(policy->cpus, buf);
return show_cpus(policy->related_cpus, buf);
}
@@ -700,87 +698,6 @@ static struct kobj_type ktype_cpufreq = {
.release = cpufreq_sysfs_release,
};
-/*
- * Returns:
- * Negative: Failure
- * 0: Success
- * Positive: When we have a managed CPU and the sysfs got symlinked
- */
-static int cpufreq_add_dev_policy(unsigned int cpu,
- struct cpufreq_policy *policy,
- struct device *dev)
-{
- int ret = 0;
-#ifdef CONFIG_SMP
- unsigned long flags;
- unsigned int j;
-#ifdef CONFIG_HOTPLUG_CPU
- struct cpufreq_governor *gov;
-
- gov = __find_governor(per_cpu(cpufreq_cpu_governor, cpu));
- if (gov) {
- policy->governor = gov;
- pr_debug("Restoring governor %s for cpu %d\n",
- policy->governor->name, cpu);
- }
-#endif
-
- for_each_cpu(j, policy->cpus) {
- struct cpufreq_policy *managed_policy;
-
- if (cpu == j)
- continue;
-
- /* Check for existing affected CPUs.
- * They may not be aware of it due to CPU Hotplug.
- * cpufreq_cpu_put is called when the device is removed
- * in __cpufreq_remove_dev()
- */
- managed_policy = cpufreq_cpu_get(j);
- if (unlikely(managed_policy)) {
-
- /* Set proper policy_cpu */
- unlock_policy_rwsem_write(cpu);
- per_cpu(cpufreq_policy_cpu, cpu) = managed_policy->cpu;
-
- if (lock_policy_rwsem_write(cpu) < 0) {
- /* Should not go through policy unlock path */
- if (cpufreq_driver->exit)
- cpufreq_driver->exit(policy);
- cpufreq_cpu_put(managed_policy);
- return -EBUSY;
- }
-
- spin_lock_irqsave(&cpufreq_driver_lock, flags);
- cpumask_copy(managed_policy->cpus, policy->cpus);
- per_cpu(cpufreq_cpu_data, cpu) = managed_policy;
- spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
-
- pr_debug("CPU already managed, adding link\n");
- ret = sysfs_create_link(&dev->kobj,
- &managed_policy->kobj,
- "cpufreq");
- if (ret)
- cpufreq_cpu_put(managed_policy);
- /*
- * Success. We only needed to be added to the mask.
- * Call driver->exit() because only the cpu parent of
- * the kobj needed to call init().
- */
- if (cpufreq_driver->exit)
- cpufreq_driver->exit(policy);
-
- if (!ret)
- return 1;
- else
- return ret;
- }
- }
-#endif
- return ret;
-}
-
-
/* symlink affected CPUs */
static int cpufreq_add_dev_symlink(unsigned int cpu,
struct cpufreq_policy *policy)
@@ -794,8 +711,6 @@ static int cpufreq_add_dev_symlink(unsigned int cpu,
if (j == cpu)
continue;
- if (!cpu_online(j))
- continue;
pr_debug("CPU %u already managed, adding link\n", j);
managed_policy = cpufreq_cpu_get(cpu);
@@ -852,8 +767,6 @@ static int cpufreq_add_dev_interface(unsigned int cpu,
spin_lock_irqsave(&cpufreq_driver_lock, flags);
for_each_cpu(j, policy->cpus) {
- if (!cpu_online(j))
- continue;
per_cpu(cpufreq_cpu_data, j) = policy;
per_cpu(cpufreq_policy_cpu, j) = policy->cpu;
}
@@ -885,6 +798,42 @@ err_out_kobj_put:
return ret;
}
+#ifdef CONFIG_HOTPLUG_CPU
+static int cpufreq_add_policy_cpu(unsigned int cpu, unsigned int sibling,
+ struct device *dev)
+{
+ struct cpufreq_policy *policy;
+ int ret = 0;
+ unsigned long flags;
+
+ policy = cpufreq_cpu_get(sibling);
+ WARN_ON(!policy);
+
+ __cpufreq_governor(policy, CPUFREQ_GOV_STOP);
+
+ lock_policy_rwsem_write(sibling);
+
+ spin_lock_irqsave(&cpufreq_driver_lock, flags);
+
+ cpumask_set_cpu(cpu, policy->cpus);
+ per_cpu(cpufreq_policy_cpu, cpu) = policy->cpu;
+ per_cpu(cpufreq_cpu_data, cpu) = policy;
+ spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
+
+ unlock_policy_rwsem_write(sibling);
+
+ __cpufreq_governor(policy, CPUFREQ_GOV_START);
+ __cpufreq_governor(policy, CPUFREQ_GOV_LIMITS);
+
+ ret = sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq");
+ if (ret) {
+ cpufreq_cpu_put(policy);
+ return ret;
+ }
+
+ return 0;
+}
+#endif
/**
* cpufreq_add_dev - add a CPU device
@@ -897,12 +846,12 @@ err_out_kobj_put:
*/
static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif)
{
- unsigned int cpu = dev->id;
- int ret = 0, found = 0;
+ unsigned int j, cpu = dev->id;
+ int ret = -ENOMEM;
struct cpufreq_policy *policy;
unsigned long flags;
- unsigned int j;
#ifdef CONFIG_HOTPLUG_CPU
+ struct cpufreq_governor *gov;
int sibling;
#endif
@@ -919,6 +868,19 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif)
cpufreq_cpu_put(policy);
return 0;
}
+
+#ifdef CONFIG_HOTPLUG_CPU
+ /* Check if this cpu was hot-unplugged earlier and has siblings */
+ spin_lock_irqsave(&cpufreq_driver_lock, flags);
+ for_each_online_cpu(sibling) {
+ struct cpufreq_policy *cp = per_cpu(cpufreq_cpu_data, sibling);
+ if (cp && cpumask_test_cpu(cpu, cp->related_cpus)) {
+ spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
+ return cpufreq_add_policy_cpu(cpu, sibling, dev);
+ }
+ }
+ spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
+#endif
#endif
if (!try_module_get(cpufreq_driver->owner)) {
@@ -926,7 +888,6 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif)
goto module_out;
}
- ret = -ENOMEM;
policy = kzalloc(sizeof(struct cpufreq_policy), GFP_KERNEL);
if (!policy)
goto nomem_out;
@@ -938,66 +899,58 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif)
goto err_free_cpumask;
policy->cpu = cpu;
+ policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
cpumask_copy(policy->cpus, cpumask_of(cpu));
/* Initially set CPU itself as the policy_cpu */
per_cpu(cpufreq_policy_cpu, cpu) = cpu;
- ret = (lock_policy_rwsem_write(cpu) < 0);
- WARN_ON(ret);
init_completion(&policy->kobj_unregister);
INIT_WORK(&policy->update, handle_update);
- /* Set governor before ->init, so that driver could check it */
-#ifdef CONFIG_HOTPLUG_CPU
- for_each_online_cpu(sibling) {
- struct cpufreq_policy *cp = per_cpu(cpufreq_cpu_data, sibling);
- if (cp && cp->governor &&
- (cpumask_test_cpu(cpu, cp->related_cpus))) {
- policy->governor = cp->governor;
- found = 1;
- break;
- }
- }
-#endif
- if (!found)
- policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
/* call driver. From then on the cpufreq must be able
* to accept all calls to ->verify and ->setpolicy for this CPU
*/
ret = cpufreq_driver->init(policy);
if (ret) {
pr_debug("initialization failed\n");
- goto err_unlock_policy;
+ goto err_set_policy_cpu;
}
+
+ /* related cpus should atleast have policy->cpus */
+ cpumask_or(policy->related_cpus, policy->related_cpus, policy->cpus);
+
+ /*
+ * affected cpus must always be the one, which are online. We aren't
+ * managing offline cpus here.
+ */
+ cpumask_and(policy->cpus, policy->cpus, cpu_online_mask);
+
policy->user_policy.min = policy->min;
policy->user_policy.max = policy->max;
blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
CPUFREQ_START, policy);
- ret = cpufreq_add_dev_policy(cpu, policy, dev);
- if (ret) {
- if (ret > 0)
- /* This is a managed cpu, symlink created,
- exit with 0 */
- ret = 0;
- goto err_unlock_policy;
+#ifdef CONFIG_HOTPLUG_CPU
+ gov = __find_governor(per_cpu(cpufreq_cpu_governor, cpu));
+ if (gov) {
+ policy->governor = gov;
+ pr_debug("Restoring governor %s for cpu %d\n",
+ policy->governor->name, cpu);
}
+#endif
ret = cpufreq_add_dev_interface(cpu, policy, dev);
if (ret)
goto err_out_unregister;
- unlock_policy_rwsem_write(cpu);
-
kobject_uevent(&policy->kobj, KOBJ_ADD);
module_put(cpufreq_driver->owner);
pr_debug("initialization complete\n");
return 0;
-
err_out_unregister:
spin_lock_irqsave(&cpufreq_driver_lock, flags);
for_each_cpu(j, policy->cpus)
@@ -1007,8 +960,8 @@ err_out_unregister:
kobject_put(&policy->kobj);
wait_for_completion(&policy->kobj_unregister);
-err_unlock_policy:
- unlock_policy_rwsem_write(cpu);
+err_set_policy_cpu:
+ per_cpu(cpufreq_policy_cpu, cpu) = -1;
free_cpumask_var(policy->related_cpus);
err_free_cpumask:
free_cpumask_var(policy->cpus);
@@ -1020,6 +973,22 @@ module_out:
return ret;
}
+static void update_policy_cpu(struct cpufreq_policy *policy, unsigned int cpu)
+{
+ int j;
+
+ policy->last_cpu = policy->cpu;
+ policy->cpu = cpu;
+
+ for_each_cpu(j, policy->cpus)
+ per_cpu(cpufreq_policy_cpu, j) = cpu;
+
+#ifdef CONFIG_CPU_FREQ_TABLE
+ cpufreq_frequency_table_update_policy_cpu(policy);
+#endif
+ blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
+ CPUFREQ_UPDATE_POLICY_CPU, policy);
+}
/**
* __cpufreq_remove_dev - remove a CPU device
@@ -1030,129 +999,103 @@ module_out:
*/
static int __cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif)
{
- unsigned int cpu = dev->id;
+ unsigned int cpu = dev->id, ret, cpus;
unsigned long flags;
struct cpufreq_policy *data;
struct kobject *kobj;
struct completion *cmp;
-#ifdef CONFIG_SMP
struct device *cpu_dev;
- unsigned int j;
-#endif
- pr_debug("unregistering CPU %u\n", cpu);
+ pr_debug("%s: unregistering CPU %u\n", __func__, cpu);
spin_lock_irqsave(&cpufreq_driver_lock, flags);
+
data = per_cpu(cpufreq_cpu_data, cpu);
+ per_cpu(cpufreq_cpu_data, cpu) = NULL;
+
+ spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
if (!data) {
- spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
- unlock_policy_rwsem_write(cpu);
+ pr_debug("%s: No cpu_data found\n", __func__);
return -EINVAL;
}
- per_cpu(cpufreq_cpu_data, cpu) = NULL;
+ if (cpufreq_driver->target)
+ __cpufreq_governor(data, CPUFREQ_GOV_STOP);
-#ifdef CONFIG_SMP
- /* if this isn't the CPU which is the parent of the kobj, we
- * only need to unlink, put and exit
- */
- if (unlikely(cpu != data->cpu)) {
- pr_debug("removing link\n");
- cpumask_clear_cpu(cpu, data->cpus);
- spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
- kobj = &dev->kobj;
- cpufreq_cpu_put(data);
- unlock_policy_rwsem_write(cpu);
- sysfs_remove_link(kobj, "cpufreq");
- return 0;
- }
+#ifdef CONFIG_HOTPLUG_CPU
+ if (!cpufreq_driver->setpolicy)
+ strncpy(per_cpu(cpufreq_cpu_governor, cpu),
+ data->governor->name, CPUFREQ_NAME_LEN);
#endif
-#ifdef CONFIG_SMP
+ WARN_ON(lock_policy_rwsem_write(cpu));
+ cpus = cpumask_weight(data->cpus);
+ cpumask_clear_cpu(cpu, data->cpus);
+ unlock_policy_rwsem_write(cpu);
-#ifdef CONFIG_HOTPLUG_CPU
- strncpy(per_cpu(cpufreq_cpu_governor, cpu), data->governor->name,
- CPUFREQ_NAME_LEN);
-#endif
+ if (cpu != data->cpu) {
+ sysfs_remove_link(&dev->kobj, "cpufreq");
+ } else if (cpus > 1) {
+ /* first sibling now owns the new sysfs dir */
+ cpu_dev = get_cpu_device(cpumask_first(data->cpus));
+ sysfs_remove_link(&cpu_dev->kobj, "cpufreq");
+ ret = kobject_move(&data->kobj, &cpu_dev->kobj);
+ if (ret) {
+ pr_err("%s: Failed to move kobj: %d", __func__, ret);
- /* if we have other CPUs still registered, we need to unlink them,
- * or else wait_for_completion below will lock up. Clean the
- * per_cpu(cpufreq_cpu_data) while holding the lock, and remove
- * the sysfs links afterwards.
- */
- if (unlikely(cpumask_weight(data->cpus) > 1)) {
- for_each_cpu(j, data->cpus) {
- if (j == cpu)
- continue;
- per_cpu(cpufreq_cpu_data, j) = NULL;
- }
- }
+ WARN_ON(lock_policy_rwsem_write(cpu));
+ cpumask_set_cpu(cpu, data->cpus);
- spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
+ spin_lock_irqsave(&cpufreq_driver_lock, flags);
+ per_cpu(cpufreq_cpu_data, cpu) = data;
+ spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
- if (unlikely(cpumask_weight(data->cpus) > 1)) {
- for_each_cpu(j, data->cpus) {
- if (j == cpu)
- continue;
- pr_debug("removing link for cpu %u\n", j);
-#ifdef CONFIG_HOTPLUG_CPU
- strncpy(per_cpu(cpufreq_cpu_governor, j),
- data->governor->name, CPUFREQ_NAME_LEN);
-#endif
- cpu_dev = get_cpu_device(j);
- kobj = &cpu_dev->kobj;
unlock_policy_rwsem_write(cpu);
- sysfs_remove_link(kobj, "cpufreq");
- lock_policy_rwsem_write(cpu);
- cpufreq_cpu_put(data);
- }
- }
-#else
- spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
-#endif
- if (cpufreq_driver->target)
- __cpufreq_governor(data, CPUFREQ_GOV_STOP);
+ ret = sysfs_create_link(&cpu_dev->kobj, &data->kobj,
+ "cpufreq");
+ return -EINVAL;
+ }
- kobj = &data->kobj;
- cmp = &data->kobj_unregister;
- unlock_policy_rwsem_write(cpu);
- kobject_put(kobj);
+ WARN_ON(lock_policy_rwsem_write(cpu));
+ update_policy_cpu(data, cpu_dev->id);
+ unlock_policy_rwsem_write(cpu);
+ pr_debug("%s: policy Kobject moved to cpu: %d from: %d\n",
+ __func__, cpu_dev->id, cpu);
+ }
- /* we need to make sure that the underlying kobj is actually
- * not referenced anymore by anybody before we proceed with
- * unloading.
- */
- pr_debug("waiting for dropping of refcount\n");
- wait_for_completion(cmp);
- pr_debug("wait complete\n");
+ pr_debug("%s: removing link, cpu: %d\n", __func__, cpu);
+ cpufreq_cpu_put(data);
- lock_policy_rwsem_write(cpu);
- if (cpufreq_driver->exit)
- cpufreq_driver->exit(data);
- unlock_policy_rwsem_write(cpu);
+ /* If cpu is last user of policy, free policy */
+ if (cpus == 1) {
+ lock_policy_rwsem_read(cpu);
+ kobj = &data->kobj;
+ cmp = &data->kobj_unregister;
+ unlock_policy_rwsem_read(cpu);
+ kobject_put(kobj);
+
+ /* we need to make sure that the underlying kobj is actually
+ * not referenced anymore by anybody before we proceed with
+ * unloading.
+ */
+ pr_debug("waiting for dropping of refcount\n");
+ wait_for_completion(cmp);
+ pr_debug("wait complete\n");
-#ifdef CONFIG_HOTPLUG_CPU
- /* when the CPU which is the parent of the kobj is hotplugged
- * offline, check for siblings, and create cpufreq sysfs interface
- * and symlinks
- */
- if (unlikely(cpumask_weight(data->cpus) > 1)) {
- /* first sibling now owns the new sysfs dir */
- cpumask_clear_cpu(cpu, data->cpus);
- cpufreq_add_dev(get_cpu_device(cpumask_first(data->cpus)), NULL);
+ if (cpufreq_driver->exit)
+ cpufreq_driver->exit(data);
- /* finally remove our own symlink */
- lock_policy_rwsem_write(cpu);
- __cpufreq_remove_dev(dev, sif);
+ free_cpumask_var(data->related_cpus);
+ free_cpumask_var(data->cpus);
+ kfree(data);
+ } else if (cpufreq_driver->target) {
+ __cpufreq_governor(data, CPUFREQ_GOV_START);
+ __cpufreq_governor(data, CPUFREQ_GOV_LIMITS);
}
-#endif
-
- free_cpumask_var(data->related_cpus);
- free_cpumask_var(data->cpus);
- kfree(data);
+ per_cpu(cpufreq_policy_cpu, cpu) = -1;
return 0;
}
@@ -1165,9 +1108,6 @@ static int cpufreq_remove_dev(struct device *dev, struct subsys_interface *sif)
if (cpu_is_offline(cpu))
return 0;
- if (unlikely(lock_policy_rwsem_write(cpu)))
- BUG();
-
retval = __cpufreq_remove_dev(dev, sif);
return retval;
}
@@ -1216,9 +1156,13 @@ static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq,
*/
unsigned int cpufreq_quick_get(unsigned int cpu)
{
- struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
+ struct cpufreq_policy *policy;
unsigned int ret_freq = 0;
+ if (cpufreq_driver && cpufreq_driver->setpolicy && cpufreq_driver->get)
+ return cpufreq_driver->get(cpu);
+
+ policy = cpufreq_cpu_get(cpu);
if (policy) {
ret_freq = policy->cur;
cpufreq_cpu_put(policy);
@@ -1386,6 +1330,20 @@ static struct syscore_ops cpufreq_syscore_ops = {
.resume = cpufreq_bp_resume,
};
+/**
+ * cpufreq_get_current_driver - return current driver's name
+ *
+ * Return the name string of the currently loaded cpufreq driver
+ * or NULL, if none.
+ */
+const char *cpufreq_get_current_driver(void)
+{
+ if (cpufreq_driver)
+ return cpufreq_driver->name;
+
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(cpufreq_get_current_driver);
/*********************************************************************
* NOTIFIER LISTS INTERFACE *
@@ -1408,6 +1366,9 @@ int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list)
{
int ret;
+ if (cpufreq_disabled())
+ return -EINVAL;
+
WARN_ON(!init_cpufreq_transition_notifier_list_called);
switch (list) {
@@ -1442,6 +1403,9 @@ int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list)
{
int ret;
+ if (cpufreq_disabled())
+ return -EINVAL;
+
switch (list) {
case CPUFREQ_TRANSITION_NOTIFIER:
ret = srcu_notifier_chain_unregister(
@@ -1487,7 +1451,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy,
if (target_freq == policy->cur)
return 0;
- if (cpu_online(policy->cpu) && cpufreq_driver->target)
+ if (cpufreq_driver->target)
retval = cpufreq_driver->target(policy, target_freq, relation);
return retval;
@@ -1522,7 +1486,10 @@ int __cpufreq_driver_getavg(struct cpufreq_policy *policy, unsigned int cpu)
{
int ret = 0;
- if (!(cpu_online(cpu) && cpufreq_driver->getavg))
+ if (cpufreq_disabled())
+ return ret;
+
+ if (!cpufreq_driver->getavg)
return 0;
policy = cpufreq_cpu_get(policy->cpu);
@@ -1577,6 +1544,11 @@ static int __cpufreq_governor(struct cpufreq_policy *policy,
policy->cpu, event);
ret = policy->governor->governor(policy, event);
+ if (event == CPUFREQ_GOV_START)
+ policy->governor->initialized++;
+ else if (event == CPUFREQ_GOV_STOP)
+ policy->governor->initialized--;
+
/* we keep one module reference alive for
each CPU governed by this CPU */
if ((event != CPUFREQ_GOV_START) || ret)
@@ -1600,6 +1572,7 @@ int cpufreq_register_governor(struct cpufreq_governor *governor)
mutex_lock(&cpufreq_governor_mutex);
+ governor->initialized = 0;
err = -EBUSY;
if (__find_governor(governor->name) == NULL) {
err = 0;
@@ -1797,7 +1770,7 @@ int cpufreq_update_policy(unsigned int cpu)
pr_debug("Driver did not initialize current freq");
data->cur = policy.cur;
} else {
- if (data->cur != policy.cur)
+ if (data->cur != policy.cur && cpufreq_driver->target)
cpufreq_out_of_sync(cpu, data->cur,
policy.cur);
}
@@ -1829,9 +1802,6 @@ static int __cpuinit cpufreq_cpu_callback(struct notifier_block *nfb,
break;
case CPU_DOWN_PREPARE:
case CPU_DOWN_PREPARE_FROZEN:
- if (unlikely(lock_policy_rwsem_write(cpu)))
- BUG();
-
__cpufreq_remove_dev(dev, NULL);
break;
case CPU_DOWN_FAILED:
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 64ef737e7e7..4fd0006b129 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -25,7 +25,7 @@
#include "cpufreq_governor.h"
-/* Conservative governor macors */
+/* Conservative governor macros */
#define DEF_FREQUENCY_UP_THRESHOLD (80)
#define DEF_FREQUENCY_DOWN_THRESHOLD (20)
#define DEF_SAMPLING_DOWN_FACTOR (1)
@@ -113,17 +113,20 @@ static void cs_check_cpu(int cpu, unsigned int load)
static void cs_dbs_timer(struct work_struct *work)
{
+ struct delayed_work *dw = to_delayed_work(work);
struct cs_cpu_dbs_info_s *dbs_info = container_of(work,
struct cs_cpu_dbs_info_s, cdbs.work.work);
- unsigned int cpu = dbs_info->cdbs.cpu;
+ unsigned int cpu = dbs_info->cdbs.cur_policy->cpu;
+ struct cs_cpu_dbs_info_s *core_dbs_info = &per_cpu(cs_cpu_dbs_info,
+ cpu);
int delay = delay_for_sampling_rate(cs_tuners.sampling_rate);
- mutex_lock(&dbs_info->cdbs.timer_mutex);
+ mutex_lock(&core_dbs_info->cdbs.timer_mutex);
+ if (need_load_eval(&core_dbs_info->cdbs, cs_tuners.sampling_rate))
+ dbs_check_cpu(&cs_dbs_data, cpu);
- dbs_check_cpu(&cs_dbs_data, cpu);
-
- schedule_delayed_work_on(cpu, &dbs_info->cdbs.work, delay);
- mutex_unlock(&dbs_info->cdbs.timer_mutex);
+ schedule_delayed_work_on(smp_processor_id(), dw, delay);
+ mutex_unlock(&core_dbs_info->cdbs.timer_mutex);
}
static int dbs_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
@@ -141,7 +144,7 @@ static int dbs_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
/*
* we only care if our internally tracked freq moves outside the 'valid'
- * ranges of freqency available to us otherwise we do not change it
+ * ranges of frequency available to us otherwise we do not change it
*/
if (dbs_info->requested_freq > policy->max
|| dbs_info->requested_freq < policy->min)
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 6c5f1d383cd..5a76086ff09 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -161,25 +161,48 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu)
}
EXPORT_SYMBOL_GPL(dbs_check_cpu);
-static inline void dbs_timer_init(struct dbs_data *dbs_data,
- struct cpu_dbs_common_info *cdbs, unsigned int sampling_rate)
+static inline void dbs_timer_init(struct dbs_data *dbs_data, int cpu,
+ unsigned int sampling_rate)
{
int delay = delay_for_sampling_rate(sampling_rate);
+ struct cpu_dbs_common_info *cdbs = dbs_data->get_cpu_cdbs(cpu);
- INIT_DEFERRABLE_WORK(&cdbs->work, dbs_data->gov_dbs_timer);
- schedule_delayed_work_on(cdbs->cpu, &cdbs->work, delay);
+ schedule_delayed_work_on(cpu, &cdbs->work, delay);
}
-static inline void dbs_timer_exit(struct cpu_dbs_common_info *cdbs)
+static inline void dbs_timer_exit(struct dbs_data *dbs_data, int cpu)
{
+ struct cpu_dbs_common_info *cdbs = dbs_data->get_cpu_cdbs(cpu);
+
cancel_delayed_work_sync(&cdbs->work);
}
+/* Will return if we need to evaluate cpu load again or not */
+bool need_load_eval(struct cpu_dbs_common_info *cdbs,
+ unsigned int sampling_rate)
+{
+ if (policy_is_shared(cdbs->cur_policy)) {
+ ktime_t time_now = ktime_get();
+ s64 delta_us = ktime_us_delta(time_now, cdbs->time_stamp);
+
+ /* Do nothing if we recently have sampled */
+ if (delta_us < (s64)(sampling_rate / 2))
+ return false;
+ else
+ cdbs->time_stamp = time_now;
+ }
+
+ return true;
+}
+EXPORT_SYMBOL_GPL(need_load_eval);
+
int cpufreq_governor_dbs(struct dbs_data *dbs_data,
struct cpufreq_policy *policy, unsigned int event)
{
struct od_cpu_dbs_info_s *od_dbs_info = NULL;
struct cs_cpu_dbs_info_s *cs_dbs_info = NULL;
+ struct cs_ops *cs_ops = NULL;
+ struct od_ops *od_ops = NULL;
struct od_dbs_tuners *od_tuners = dbs_data->tuners;
struct cs_dbs_tuners *cs_tuners = dbs_data->tuners;
struct cpu_dbs_common_info *cpu_cdbs;
@@ -192,109 +215,111 @@ int cpufreq_governor_dbs(struct dbs_data *dbs_data,
cs_dbs_info = dbs_data->get_cpu_dbs_info_s(cpu);
sampling_rate = &cs_tuners->sampling_rate;
ignore_nice = cs_tuners->ignore_nice;
+ cs_ops = dbs_data->gov_ops;
} else {
od_dbs_info = dbs_data->get_cpu_dbs_info_s(cpu);
sampling_rate = &od_tuners->sampling_rate;
ignore_nice = od_tuners->ignore_nice;
+ od_ops = dbs_data->gov_ops;
}
switch (event) {
case CPUFREQ_GOV_START:
- if ((!cpu_online(cpu)) || (!policy->cur))
+ if (!policy->cur)
return -EINVAL;
mutex_lock(&dbs_data->mutex);
- dbs_data->enable++;
- cpu_cdbs->cpu = cpu;
for_each_cpu(j, policy->cpus) {
- struct cpu_dbs_common_info *j_cdbs;
- j_cdbs = dbs_data->get_cpu_cdbs(j);
+ struct cpu_dbs_common_info *j_cdbs =
+ dbs_data->get_cpu_cdbs(j);
+ j_cdbs->cpu = j;
j_cdbs->cur_policy = policy;
j_cdbs->prev_cpu_idle = get_cpu_idle_time(j,
&j_cdbs->prev_cpu_wall);
if (ignore_nice)
j_cdbs->prev_cpu_nice =
kcpustat_cpu(j).cpustat[CPUTIME_NICE];
- }
- /*
- * Start the timerschedule work, when this governor is used for
- * first time
- */
- if (dbs_data->enable != 1)
- goto second_time;
-
- rc = sysfs_create_group(cpufreq_global_kobject,
- dbs_data->attr_group);
- if (rc) {
- mutex_unlock(&dbs_data->mutex);
- return rc;
+ mutex_init(&j_cdbs->timer_mutex);
+ INIT_DEFERRABLE_WORK(&j_cdbs->work,
+ dbs_data->gov_dbs_timer);
}
- /* policy latency is in nS. Convert it to uS first */
- latency = policy->cpuinfo.transition_latency / 1000;
- if (latency == 0)
- latency = 1;
+ if (!policy->governor->initialized) {
+ rc = sysfs_create_group(cpufreq_global_kobject,
+ dbs_data->attr_group);
+ if (rc) {
+ mutex_unlock(&dbs_data->mutex);
+ return rc;
+ }
+ }
/*
* conservative does not implement micro like ondemand
* governor, thus we are bound to jiffes/HZ
*/
if (dbs_data->governor == GOV_CONSERVATIVE) {
- struct cs_ops *ops = dbs_data->gov_ops;
+ cs_dbs_info->down_skip = 0;
+ cs_dbs_info->enable = 1;
+ cs_dbs_info->requested_freq = policy->cur;
- cpufreq_register_notifier(ops->notifier_block,
- CPUFREQ_TRANSITION_NOTIFIER);
+ if (!policy->governor->initialized) {
+ cpufreq_register_notifier(cs_ops->notifier_block,
+ CPUFREQ_TRANSITION_NOTIFIER);
- dbs_data->min_sampling_rate = MIN_SAMPLING_RATE_RATIO *
- jiffies_to_usecs(10);
+ dbs_data->min_sampling_rate =
+ MIN_SAMPLING_RATE_RATIO *
+ jiffies_to_usecs(10);
+ }
} else {
- struct od_ops *ops = dbs_data->gov_ops;
+ od_dbs_info->rate_mult = 1;
+ od_dbs_info->sample_type = OD_NORMAL_SAMPLE;
+ od_ops->powersave_bias_init_cpu(cpu);
- od_tuners->io_is_busy = ops->io_busy();
+ if (!policy->governor->initialized)
+ od_tuners->io_is_busy = od_ops->io_busy();
}
+ if (policy->governor->initialized)
+ goto unlock;
+
+ /* policy latency is in nS. Convert it to uS first */
+ latency = policy->cpuinfo.transition_latency / 1000;
+ if (latency == 0)
+ latency = 1;
+
/* Bring kernel and HW constraints together */
dbs_data->min_sampling_rate = max(dbs_data->min_sampling_rate,
MIN_LATENCY_MULTIPLIER * latency);
*sampling_rate = max(dbs_data->min_sampling_rate, latency *
LATENCY_MULTIPLIER);
-
-second_time:
- if (dbs_data->governor == GOV_CONSERVATIVE) {
- cs_dbs_info->down_skip = 0;
- cs_dbs_info->enable = 1;
- cs_dbs_info->requested_freq = policy->cur;
- } else {
- struct od_ops *ops = dbs_data->gov_ops;
- od_dbs_info->rate_mult = 1;
- od_dbs_info->sample_type = OD_NORMAL_SAMPLE;
- ops->powersave_bias_init_cpu(cpu);
- }
+unlock:
mutex_unlock(&dbs_data->mutex);
- mutex_init(&cpu_cdbs->timer_mutex);
- dbs_timer_init(dbs_data, cpu_cdbs, *sampling_rate);
+ /* Initiate timer time stamp */
+ cpu_cdbs->time_stamp = ktime_get();
+
+ for_each_cpu(j, policy->cpus)
+ dbs_timer_init(dbs_data, j, *sampling_rate);
break;
case CPUFREQ_GOV_STOP:
if (dbs_data->governor == GOV_CONSERVATIVE)
cs_dbs_info->enable = 0;
- dbs_timer_exit(cpu_cdbs);
+ for_each_cpu(j, policy->cpus)
+ dbs_timer_exit(dbs_data, j);
mutex_lock(&dbs_data->mutex);
mutex_destroy(&cpu_cdbs->timer_mutex);
- dbs_data->enable--;
- if (!dbs_data->enable) {
- struct cs_ops *ops = dbs_data->gov_ops;
+ if (policy->governor->initialized == 1) {
sysfs_remove_group(cpufreq_global_kobject,
dbs_data->attr_group);
if (dbs_data->governor == GOV_CONSERVATIVE)
- cpufreq_unregister_notifier(ops->notifier_block,
+ cpufreq_unregister_notifier(cs_ops->notifier_block,
CPUFREQ_TRANSITION_NOTIFIER);
}
mutex_unlock(&dbs_data->mutex);
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index f6616540c53..d2ac9115060 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -82,6 +82,7 @@ struct cpu_dbs_common_info {
* the governor or limits.
*/
struct mutex timer_mutex;
+ ktime_t time_stamp;
};
struct od_cpu_dbs_info_s {
@@ -108,7 +109,7 @@ struct od_dbs_tuners {
unsigned int sampling_rate;
unsigned int sampling_down_factor;
unsigned int up_threshold;
- unsigned int down_differential;
+ unsigned int adj_up_threshold;
unsigned int powersave_bias;
unsigned int io_is_busy;
};
@@ -129,7 +130,6 @@ struct dbs_data {
#define GOV_CONSERVATIVE 1
int governor;
unsigned int min_sampling_rate;
- unsigned int enable; /* number of CPUs using this policy */
struct attribute_group *attr_group;
void *tuners;
@@ -171,6 +171,8 @@ static inline int delay_for_sampling_rate(unsigned int sampling_rate)
u64 get_cpu_idle_time(unsigned int cpu, u64 *wall);
void dbs_check_cpu(struct dbs_data *dbs_data, int cpu);
+bool need_load_eval(struct cpu_dbs_common_info *cdbs,
+ unsigned int sampling_rate);
int cpufreq_governor_dbs(struct dbs_data *dbs_data,
struct cpufreq_policy *policy, unsigned int event);
#endif /* _CPUFREQ_GOVERNER_H */
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 7731f7c7e79..f3eb26cd848 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -26,7 +26,7 @@
#include "cpufreq_governor.h"
-/* On-demand governor macors */
+/* On-demand governor macros */
#define DEF_FREQUENCY_DOWN_DIFFERENTIAL (10)
#define DEF_FREQUENCY_UP_THRESHOLD (80)
#define DEF_SAMPLING_DOWN_FACTOR (1)
@@ -47,7 +47,8 @@ static struct cpufreq_governor cpufreq_gov_ondemand;
static struct od_dbs_tuners od_tuners = {
.up_threshold = DEF_FREQUENCY_UP_THRESHOLD,
.sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR,
- .down_differential = DEF_FREQUENCY_DOWN_DIFFERENTIAL,
+ .adj_up_threshold = DEF_FREQUENCY_UP_THRESHOLD -
+ DEF_FREQUENCY_DOWN_DIFFERENTIAL,
.ignore_nice = 0,
.powersave_bias = 0,
};
@@ -65,7 +66,7 @@ static void ondemand_powersave_bias_init_cpu(int cpu)
* efficient idling at a higher frequency/voltage is.
* Pavel Machek says this is not so for various generations of AMD and old
* Intel systems.
- * Mike Chan (androidlcom) calis this is also not true for ARM.
+ * Mike Chan (android.com) claims this is also not true for ARM.
* Because of this, whitelist specific known (series) of CPUs by default, and
* leave all others up to the user.
*/
@@ -73,7 +74,7 @@ static int should_io_be_busy(void)
{
#if defined(CONFIG_X86)
/*
- * For Intel, Core 2 (model 15) andl later have an efficient idle.
+ * For Intel, Core 2 (model 15) and later have an efficient idle.
*/
if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
boot_cpu_data.x86 == 6 &&
@@ -158,8 +159,8 @@ static void dbs_freq_increase(struct cpufreq_policy *p, unsigned int freq)
/*
* Every sampling_rate, we check, if current idle time is less than 20%
- * (default), then we try to increase frequency Every sampling_rate, we look for
- * a the lowest frequency which can sustain the load while keeping idle time
+ * (default), then we try to increase frequency. Every sampling_rate, we look
+ * for the lowest frequency which can sustain the load while keeping idle time
* over 30%. If such a frequency exist, we try to decrease to this frequency.
*
* Any frequency increase takes it to the maximum frequency. Frequency reduction
@@ -192,11 +193,9 @@ static void od_check_cpu(int cpu, unsigned int load_freq)
* support the current CPU usage without triggering the up policy. To be
* safe, we focus 10 points under the threshold.
*/
- if (load_freq < (od_tuners.up_threshold - od_tuners.down_differential) *
- policy->cur) {
+ if (load_freq < od_tuners.adj_up_threshold * policy->cur) {
unsigned int freq_next;
- freq_next = load_freq / (od_tuners.up_threshold -
- od_tuners.down_differential);
+ freq_next = load_freq / od_tuners.adj_up_threshold;
/* No longer fully busy, reset rate_mult */
dbs_info->rate_mult = 1;
@@ -218,33 +217,42 @@ static void od_check_cpu(int cpu, unsigned int load_freq)
static void od_dbs_timer(struct work_struct *work)
{
+ struct delayed_work *dw = to_delayed_work(work);
struct od_cpu_dbs_info_s *dbs_info =
container_of(work, struct od_cpu_dbs_info_s, cdbs.work.work);
- unsigned int cpu = dbs_info->cdbs.cpu;
- int delay, sample_type = dbs_info->sample_type;
+ unsigned int cpu = dbs_info->cdbs.cur_policy->cpu;
+ struct od_cpu_dbs_info_s *core_dbs_info = &per_cpu(od_cpu_dbs_info,
+ cpu);
+ int delay, sample_type = core_dbs_info->sample_type;
+ bool eval_load;
- mutex_lock(&dbs_info->cdbs.timer_mutex);
+ mutex_lock(&core_dbs_info->cdbs.timer_mutex);
+ eval_load = need_load_eval(&core_dbs_info->cdbs,
+ od_tuners.sampling_rate);
/* Common NORMAL_SAMPLE setup */
- dbs_info->sample_type = OD_NORMAL_SAMPLE;
+ core_dbs_info->sample_type = OD_NORMAL_SAMPLE;
if (sample_type == OD_SUB_SAMPLE) {
- delay = dbs_info->freq_lo_jiffies;
- __cpufreq_driver_target(dbs_info->cdbs.cur_policy,
- dbs_info->freq_lo, CPUFREQ_RELATION_H);
+ delay = core_dbs_info->freq_lo_jiffies;
+ if (eval_load)
+ __cpufreq_driver_target(core_dbs_info->cdbs.cur_policy,
+ core_dbs_info->freq_lo,
+ CPUFREQ_RELATION_H);
} else {
- dbs_check_cpu(&od_dbs_data, cpu);
- if (dbs_info->freq_lo) {
+ if (eval_load)
+ dbs_check_cpu(&od_dbs_data, cpu);
+ if (core_dbs_info->freq_lo) {
/* Setup timer for SUB_SAMPLE */
- dbs_info->sample_type = OD_SUB_SAMPLE;
- delay = dbs_info->freq_hi_jiffies;
+ core_dbs_info->sample_type = OD_SUB_SAMPLE;
+ delay = core_dbs_info->freq_hi_jiffies;
} else {
delay = delay_for_sampling_rate(od_tuners.sampling_rate
- * dbs_info->rate_mult);
+ * core_dbs_info->rate_mult);
}
}
- schedule_delayed_work_on(cpu, &dbs_info->cdbs.work, delay);
- mutex_unlock(&dbs_info->cdbs.timer_mutex);
+ schedule_delayed_work_on(smp_processor_id(), dw, delay);
+ mutex_unlock(&core_dbs_info->cdbs.timer_mutex);
}
/************************** sysfs interface ************************/
@@ -259,7 +267,7 @@ static ssize_t show_sampling_rate_min(struct kobject *kobj,
* update_sampling_rate - update sampling rate effective immediately if needed.
* @new_rate: new sampling rate
*
- * If new rate is smaller than the old, simply updaing
+ * If new rate is smaller than the old, simply updating
* dbs_tuners_int.sampling_rate might not be appropriate. For example, if the
* original sampling_rate was 1 second and the requested new sampling rate is 10
* ms because the user needs immediate reaction from ondemand governor, but not
@@ -287,7 +295,7 @@ static void update_sampling_rate(unsigned int new_rate)
cpufreq_cpu_put(policy);
continue;
}
- dbs_info = &per_cpu(od_cpu_dbs_info, policy->cpu);
+ dbs_info = &per_cpu(od_cpu_dbs_info, cpu);
cpufreq_cpu_put(policy);
mutex_lock(&dbs_info->cdbs.timer_mutex);
@@ -306,8 +314,7 @@ static void update_sampling_rate(unsigned int new_rate)
cancel_delayed_work_sync(&dbs_info->cdbs.work);
mutex_lock(&dbs_info->cdbs.timer_mutex);
- schedule_delayed_work_on(dbs_info->cdbs.cpu,
- &dbs_info->cdbs.work,
+ schedule_delayed_work_on(cpu, &dbs_info->cdbs.work,
usecs_to_jiffies(new_rate));
}
@@ -351,6 +358,10 @@ static ssize_t store_up_threshold(struct kobject *a, struct attribute *b,
input < MIN_FREQUENCY_UP_THRESHOLD) {
return -EINVAL;
}
+ /* Calculate the new adj_up_threshold */
+ od_tuners.adj_up_threshold += input;
+ od_tuners.adj_up_threshold -= od_tuners.up_threshold;
+
od_tuners.up_threshold = input;
return count;
}
@@ -507,7 +518,8 @@ static int __init cpufreq_gov_dbs_init(void)
if (idle_time != -1ULL) {
/* Idle micro accounting is supported. Use finer thresholds */
od_tuners.up_threshold = MICRO_FREQUENCY_UP_THRESHOLD;
- od_tuners.down_differential = MICRO_FREQUENCY_DOWN_DIFFERENTIAL;
+ od_tuners.adj_up_threshold = MICRO_FREQUENCY_UP_THRESHOLD -
+ MICRO_FREQUENCY_DOWN_DIFFERENTIAL;
/*
* In nohz/micro accounting case we set the minimum frequency
* not depending on HZ, but fixed (very low). The deferred
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index 9d7732b8104..2fd779eb1ed 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -24,12 +24,6 @@
static spinlock_t cpufreq_stats_lock;
-#define CPUFREQ_STATDEVICE_ATTR(_name, _mode, _show) \
-static struct freq_attr _attr_##_name = {\
- .attr = {.name = __stringify(_name), .mode = _mode, }, \
- .show = _show,\
-};
-
struct cpufreq_stats {
unsigned int cpu;
unsigned int total_trans;
@@ -136,17 +130,17 @@ static ssize_t show_trans_table(struct cpufreq_policy *policy, char *buf)
return PAGE_SIZE;
return len;
}
-CPUFREQ_STATDEVICE_ATTR(trans_table, 0444, show_trans_table);
+cpufreq_freq_attr_ro(trans_table);
#endif
-CPUFREQ_STATDEVICE_ATTR(total_trans, 0444, show_total_trans);
-CPUFREQ_STATDEVICE_ATTR(time_in_state, 0444, show_time_in_state);
+cpufreq_freq_attr_ro(total_trans);
+cpufreq_freq_attr_ro(time_in_state);
static struct attribute *default_attrs[] = {
- &_attr_total_trans.attr,
- &_attr_time_in_state.attr,
+ &total_trans.attr,
+ &time_in_state.attr,
#ifdef CONFIG_CPU_FREQ_STAT_DETAILS
- &_attr_trans_table.attr,
+ &trans_table.attr,
#endif
NULL
};
@@ -170,11 +164,13 @@ static int freq_table_get_index(struct cpufreq_stats *stat, unsigned int freq)
static void cpufreq_stats_free_table(unsigned int cpu)
{
struct cpufreq_stats *stat = per_cpu(cpufreq_stats_table, cpu);
+
if (stat) {
+ pr_debug("%s: Free stat table\n", __func__);
kfree(stat->time_in_state);
kfree(stat);
+ per_cpu(cpufreq_stats_table, cpu) = NULL;
}
- per_cpu(cpufreq_stats_table, cpu) = NULL;
}
/* must be called early in the CPU removal sequence (before
@@ -183,8 +179,14 @@ static void cpufreq_stats_free_table(unsigned int cpu)
static void cpufreq_stats_free_sysfs(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
- if (policy && policy->cpu == cpu)
+
+ if (!cpufreq_frequency_get_table(cpu))
+ return;
+
+ if (policy && !policy_is_shared(policy)) {
+ pr_debug("%s: Free sysfs stat\n", __func__);
sysfs_remove_group(&policy->kobj, &stats_attr_group);
+ }
if (policy)
cpufreq_cpu_put(policy);
}
@@ -262,6 +264,19 @@ error_get_fail:
return ret;
}
+static void cpufreq_stats_update_policy_cpu(struct cpufreq_policy *policy)
+{
+ struct cpufreq_stats *stat = per_cpu(cpufreq_stats_table,
+ policy->last_cpu);
+
+ pr_debug("Updating stats_table for new_cpu %u from last_cpu %u\n",
+ policy->cpu, policy->last_cpu);
+ per_cpu(cpufreq_stats_table, policy->cpu) = per_cpu(cpufreq_stats_table,
+ policy->last_cpu);
+ per_cpu(cpufreq_stats_table, policy->last_cpu) = NULL;
+ stat->cpu = policy->cpu;
+}
+
static int cpufreq_stat_notifier_policy(struct notifier_block *nb,
unsigned long val, void *data)
{
@@ -269,6 +284,12 @@ static int cpufreq_stat_notifier_policy(struct notifier_block *nb,
struct cpufreq_policy *policy = data;
struct cpufreq_frequency_table *table;
unsigned int cpu = policy->cpu;
+
+ if (val == CPUFREQ_UPDATE_POLICY_CPU) {
+ cpufreq_stats_update_policy_cpu(policy);
+ return 0;
+ }
+
if (val != CPUFREQ_NOTIFY)
return 0;
table = cpufreq_frequency_get_table(cpu);
diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c
index c8c3d293cc5..bbeb9c0720a 100644
--- a/drivers/cpufreq/cpufreq_userspace.c
+++ b/drivers/cpufreq/cpufreq_userspace.c
@@ -118,8 +118,6 @@ static int cpufreq_governor_userspace(struct cpufreq_policy *policy,
switch (event) {
case CPUFREQ_GOV_START:
- if (!cpu_online(cpu))
- return -EINVAL;
BUG_ON(!policy->cur);
mutex_lock(&userspace_mutex);
diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c
index 4f154bc0ebe..79a84860ea5 100644
--- a/drivers/cpufreq/db8500-cpufreq.c
+++ b/drivers/cpufreq/db8500-cpufreq.c
@@ -128,9 +128,7 @@ static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
policy->cpuinfo.transition_latency = 20 * 1000; /* in ns */
/* policy sharing between dual CPUs */
- cpumask_copy(policy->cpus, cpu_present_mask);
-
- policy->shared_type = CPUFREQ_SHARED_TYPE_ALL;
+ cpumask_setall(policy->cpus);
return 0;
}
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 7012ea8bf1e..69b676dd335 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -42,51 +42,56 @@ static unsigned int exynos_getspeed(unsigned int cpu)
return clk_get_rate(exynos_info->cpu_clk) / 1000;
}
-static int exynos_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation)
+static int exynos_cpufreq_get_index(unsigned int freq)
+{
+ struct cpufreq_frequency_table *freq_table = exynos_info->freq_table;
+ int index;
+
+ for (index = 0;
+ freq_table[index].frequency != CPUFREQ_TABLE_END; index++)
+ if (freq_table[index].frequency == freq)
+ break;
+
+ if (freq_table[index].frequency == CPUFREQ_TABLE_END)
+ return -EINVAL;
+
+ return index;
+}
+
+static int exynos_cpufreq_scale(unsigned int target_freq)
{
- unsigned int index, old_index;
- unsigned int arm_volt, safe_arm_volt = 0;
- int ret = 0;
struct cpufreq_frequency_table *freq_table = exynos_info->freq_table;
unsigned int *volt_table = exynos_info->volt_table;
+ struct cpufreq_policy *policy = cpufreq_cpu_get(0);
+ unsigned int arm_volt, safe_arm_volt = 0;
unsigned int mpll_freq_khz = exynos_info->mpll_freq_khz;
-
- mutex_lock(&cpufreq_lock);
+ int index, old_index;
+ int ret = 0;
freqs.old = policy->cur;
+ freqs.new = target_freq;
+ freqs.cpu = policy->cpu;
- if (frequency_locked && target_freq != locking_frequency) {
- ret = -EAGAIN;
+ if (freqs.new == freqs.old)
goto out;
- }
/*
* The policy max have been changed so that we cannot get proper
* old_index with cpufreq_frequency_table_target(). Thus, ignore
* policy and get the index from the raw freqeuncy table.
*/
- for (old_index = 0;
- freq_table[old_index].frequency != CPUFREQ_TABLE_END;
- old_index++)
- if (freq_table[old_index].frequency == freqs.old)
- break;
-
- if (freq_table[old_index].frequency == CPUFREQ_TABLE_END) {
- ret = -EINVAL;
+ old_index = exynos_cpufreq_get_index(freqs.old);
+ if (old_index < 0) {
+ ret = old_index;
goto out;
}
- if (cpufreq_frequency_table_target(policy, freq_table,
- target_freq, relation, &index)) {
- ret = -EINVAL;
+ index = exynos_cpufreq_get_index(target_freq);
+ if (index < 0) {
+ ret = index;
goto out;
}
- freqs.new = freq_table[index].frequency;
- freqs.cpu = policy->cpu;
-
/*
* ARM clock source will be changed APLL to MPLL temporary
* To support this level, need to control regulator for
@@ -106,15 +111,25 @@ static int exynos_target(struct cpufreq_policy *policy,
/* When the new frequency is higher than current frequency */
if ((freqs.new > freqs.old) && !safe_arm_volt) {
/* Firstly, voltage up to increase frequency */
- regulator_set_voltage(arm_regulator, arm_volt,
- arm_volt);
+ ret = regulator_set_voltage(arm_regulator, arm_volt, arm_volt);
+ if (ret) {
+ pr_err("%s: failed to set cpu voltage to %d\n",
+ __func__, arm_volt);
+ goto out;
+ }
}
- if (safe_arm_volt)
- regulator_set_voltage(arm_regulator, safe_arm_volt,
+ if (safe_arm_volt) {
+ ret = regulator_set_voltage(arm_regulator, safe_arm_volt,
safe_arm_volt);
- if (freqs.new != freqs.old)
- exynos_info->set_freq(old_index, index);
+ if (ret) {
+ pr_err("%s: failed to set cpu voltage to %d\n",
+ __func__, safe_arm_volt);
+ goto out;
+ }
+ }
+
+ exynos_info->set_freq(old_index, index);
for_each_cpu(freqs.cpu, policy->cpus)
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
@@ -125,8 +140,44 @@ static int exynos_target(struct cpufreq_policy *policy,
/* down the voltage after frequency change */
regulator_set_voltage(arm_regulator, arm_volt,
arm_volt);
+ if (ret) {
+ pr_err("%s: failed to set cpu voltage to %d\n",
+ __func__, arm_volt);
+ goto out;
+ }
+ }
+
+out:
+
+ cpufreq_cpu_put(policy);
+
+ return ret;
+}
+
+static int exynos_target(struct cpufreq_policy *policy,
+ unsigned int target_freq,
+ unsigned int relation)
+{
+ struct cpufreq_frequency_table *freq_table = exynos_info->freq_table;
+ unsigned int index;
+ unsigned int new_freq;
+ int ret = 0;
+
+ mutex_lock(&cpufreq_lock);
+
+ if (frequency_locked)
+ goto out;
+
+ if (cpufreq_frequency_table_target(policy, freq_table,
+ target_freq, relation, &index)) {
+ ret = -EINVAL;
+ goto out;
}
+ new_freq = freq_table[index].frequency;
+
+ ret = exynos_cpufreq_scale(new_freq);
+
out:
mutex_unlock(&cpufreq_lock);
@@ -163,51 +214,26 @@ static int exynos_cpufreq_resume(struct cpufreq_policy *policy)
static int exynos_cpufreq_pm_notifier(struct notifier_block *notifier,
unsigned long pm_event, void *v)
{
- struct cpufreq_policy *policy = cpufreq_cpu_get(0); /* boot CPU */
- static unsigned int saved_frequency;
- unsigned int temp;
+ int ret;
- mutex_lock(&cpufreq_lock);
switch (pm_event) {
case PM_SUSPEND_PREPARE:
- if (frequency_locked)
- goto out;
-
+ mutex_lock(&cpufreq_lock);
frequency_locked = true;
+ mutex_unlock(&cpufreq_lock);
- if (locking_frequency) {
- saved_frequency = exynos_getspeed(0);
+ ret = exynos_cpufreq_scale(locking_frequency);
+ if (ret < 0)
+ return NOTIFY_BAD;
- mutex_unlock(&cpufreq_lock);
- exynos_target(policy, locking_frequency,
- CPUFREQ_RELATION_H);
- mutex_lock(&cpufreq_lock);
- }
break;
case PM_POST_SUSPEND:
- if (saved_frequency) {
- /*
- * While frequency_locked, only locking_frequency
- * is valid for target(). In order to use
- * saved_frequency while keeping frequency_locked,
- * we temporarly overwrite locking_frequency.
- */
- temp = locking_frequency;
- locking_frequency = saved_frequency;
-
- mutex_unlock(&cpufreq_lock);
- exynos_target(policy, locking_frequency,
- CPUFREQ_RELATION_H);
- mutex_lock(&cpufreq_lock);
-
- locking_frequency = temp;
- }
+ mutex_lock(&cpufreq_lock);
frequency_locked = false;
+ mutex_unlock(&cpufreq_lock);
break;
}
-out:
- mutex_unlock(&cpufreq_lock);
return NOTIFY_OK;
}
@@ -222,35 +248,34 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy)
cpufreq_frequency_table_get_attr(exynos_info->freq_table, policy->cpu);
- locking_frequency = exynos_getspeed(0);
-
/* set the transition latency value */
policy->cpuinfo.transition_latency = 100000;
- /*
- * EXYNOS4 multi-core processors has 2 cores
- * that the frequency cannot be set independently.
- * Each cpu is bound to the same speed.
- * So the affected cpu is all of the cpus.
- */
- if (num_online_cpus() == 1) {
- cpumask_copy(policy->related_cpus, cpu_possible_mask);
- cpumask_copy(policy->cpus, cpu_online_mask);
- } else {
- policy->shared_type = CPUFREQ_SHARED_TYPE_ANY;
- cpumask_setall(policy->cpus);
- }
+ cpumask_setall(policy->cpus);
return cpufreq_frequency_table_cpuinfo(policy, exynos_info->freq_table);
}
+static int exynos_cpufreq_cpu_exit(struct cpufreq_policy *policy)
+{
+ cpufreq_frequency_table_put_attr(policy->cpu);
+ return 0;
+}
+
+static struct freq_attr *exynos_cpufreq_attr[] = {
+ &cpufreq_freq_attr_scaling_available_freqs,
+ NULL,
+};
+
static struct cpufreq_driver exynos_driver = {
.flags = CPUFREQ_STICKY,
.verify = exynos_verify_speed,
.target = exynos_target,
.get = exynos_getspeed,
.init = exynos_cpufreq_cpu_init,
+ .exit = exynos_cpufreq_cpu_exit,
.name = "exynos_cpufreq",
+ .attr = exynos_cpufreq_attr,
#ifdef CONFIG_PM
.suspend = exynos_cpufreq_suspend,
.resume = exynos_cpufreq_resume,
@@ -288,6 +313,8 @@ static int __init exynos_cpufreq_init(void)
goto err_vdd_arm;
}
+ locking_frequency = exynos_getspeed(0);
+
register_pm_notifier(&exynos_cpufreq_nb);
if (cpufreq_register_driver(&exynos_driver)) {
@@ -299,8 +326,7 @@ static int __init exynos_cpufreq_init(void)
err_cpufreq:
unregister_pm_notifier(&exynos_cpufreq_nb);
- if (!IS_ERR(arm_regulator))
- regulator_put(arm_regulator);
+ regulator_put(arm_regulator);
err_vdd_arm:
kfree(exynos_info);
pr_debug("%s: failed initialization\n", __func__);
diff --git a/drivers/cpufreq/exynos4210-cpufreq.c b/drivers/cpufreq/exynos4210-cpufreq.c
index fb148fa2767..de91755e255 100644
--- a/drivers/cpufreq/exynos4210-cpufreq.c
+++ b/drivers/cpufreq/exynos4210-cpufreq.c
@@ -20,97 +20,37 @@
#include <mach/regs-clock.h>
#include <mach/cpufreq.h>
-#define CPUFREQ_LEVEL_END L5
-
-static int max_support_idx = L0;
-static int min_support_idx = (CPUFREQ_LEVEL_END - 1);
-
static struct clk *cpu_clk;
static struct clk *moutcore;
static struct clk *mout_mpll;
static struct clk *mout_apll;
-struct cpufreq_clkdiv {
- unsigned int index;
- unsigned int clkdiv;
-};
-
-static unsigned int exynos4210_volt_table[CPUFREQ_LEVEL_END] = {
+static unsigned int exynos4210_volt_table[] = {
1250000, 1150000, 1050000, 975000, 950000,
};
-
-static struct cpufreq_clkdiv exynos4210_clkdiv_table[CPUFREQ_LEVEL_END];
-
static struct cpufreq_frequency_table exynos4210_freq_table[] = {
- {L0, 1200*1000},
- {L1, 1000*1000},
- {L2, 800*1000},
- {L3, 500*1000},
- {L4, 200*1000},
+ {L0, 1200 * 1000},
+ {L1, 1000 * 1000},
+ {L2, 800 * 1000},
+ {L3, 500 * 1000},
+ {L4, 200 * 1000},
{0, CPUFREQ_TABLE_END},
};
-static unsigned int clkdiv_cpu0[CPUFREQ_LEVEL_END][7] = {
+static struct apll_freq apll_freq_4210[] = {
/*
- * Clock divider value for following
- * { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
- * DIVATB, DIVPCLK_DBG, DIVAPLL }
+ * values:
+ * freq
+ * clock divider for CORE, COREM0, COREM1, PERIPH, ATB, PCLK_DBG, APLL, RESERVED
+ * clock divider for COPY, HPM, RESERVED
+ * PLL M, P, S
*/
-
- /* ARM L0: 1200MHz */
- { 0, 3, 7, 3, 4, 1, 7 },
-
- /* ARM L1: 1000MHz */
- { 0, 3, 7, 3, 4, 1, 7 },
-
- /* ARM L2: 800MHz */
- { 0, 3, 7, 3, 3, 1, 7 },
-
- /* ARM L3: 500MHz */
- { 0, 3, 7, 3, 3, 1, 7 },
-
- /* ARM L4: 200MHz */
- { 0, 1, 3, 1, 3, 1, 0 },
-};
-
-static unsigned int clkdiv_cpu1[CPUFREQ_LEVEL_END][2] = {
- /*
- * Clock divider value for following
- * { DIVCOPY, DIVHPM }
- */
-
- /* ARM L0: 1200MHz */
- { 5, 0 },
-
- /* ARM L1: 1000MHz */
- { 4, 0 },
-
- /* ARM L2: 800MHz */
- { 3, 0 },
-
- /* ARM L3: 500MHz */
- { 3, 0 },
-
- /* ARM L4: 200MHz */
- { 3, 0 },
-};
-
-static unsigned int exynos4210_apll_pms_table[CPUFREQ_LEVEL_END] = {
- /* APLL FOUT L0: 1200MHz */
- ((150 << 16) | (3 << 8) | 1),
-
- /* APLL FOUT L1: 1000MHz */
- ((250 << 16) | (6 << 8) | 1),
-
- /* APLL FOUT L2: 800MHz */
- ((200 << 16) | (6 << 8) | 1),
-
- /* APLL FOUT L3: 500MHz */
- ((250 << 16) | (6 << 8) | 2),
-
- /* APLL FOUT L4: 200MHz */
- ((200 << 16) | (6 << 8) | 3),
+ APLL_FREQ(1200, 0, 3, 7, 3, 4, 1, 7, 0, 5, 0, 0, 150, 3, 1),
+ APLL_FREQ(1000, 0, 3, 7, 3, 4, 1, 7, 0, 4, 0, 0, 250, 6, 1),
+ APLL_FREQ(800, 0, 3, 7, 3, 3, 1, 7, 0, 3, 0, 0, 200, 6, 1),
+ APLL_FREQ(500, 0, 3, 7, 3, 3, 1, 7, 0, 3, 0, 0, 250, 6, 2),
+ APLL_FREQ(200, 0, 1, 3, 1, 3, 1, 0, 0, 3, 0, 0, 200, 6, 3),
};
static void exynos4210_set_clkdiv(unsigned int div_index)
@@ -119,7 +59,7 @@ static void exynos4210_set_clkdiv(unsigned int div_index)
/* Change Divider - CPU0 */
- tmp = exynos4210_clkdiv_table[div_index].clkdiv;
+ tmp = apll_freq_4210[div_index].clk_div_cpu0;
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU);
@@ -129,12 +69,7 @@ static void exynos4210_set_clkdiv(unsigned int div_index)
/* Change Divider - CPU1 */
- tmp = __raw_readl(EXYNOS4_CLKDIV_CPU1);
-
- tmp &= ~((0x7 << 4) | 0x7);
-
- tmp |= ((clkdiv_cpu1[div_index][0] << 4) |
- (clkdiv_cpu1[div_index][1] << 0));
+ tmp = apll_freq_4210[div_index].clk_div_cpu1;
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU1);
@@ -162,7 +97,7 @@ static void exynos4210_set_apll(unsigned int index)
/* 3. Change PLL PMS values */
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
- tmp |= exynos4210_apll_pms_table[index];
+ tmp |= apll_freq_4210[index].mps;
__raw_writel(tmp, EXYNOS4_APLL_CON0);
/* 4. wait_lock_time */
@@ -179,10 +114,10 @@ static void exynos4210_set_apll(unsigned int index)
} while (tmp != (0x1 << EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT));
}
-bool exynos4210_pms_change(unsigned int old_index, unsigned int new_index)
+static bool exynos4210_pms_change(unsigned int old_index, unsigned int new_index)
{
- unsigned int old_pm = (exynos4210_apll_pms_table[old_index] >> 8);
- unsigned int new_pm = (exynos4210_apll_pms_table[new_index] >> 8);
+ unsigned int old_pm = apll_freq_4210[old_index].mps >> 8;
+ unsigned int new_pm = apll_freq_4210[new_index].mps >> 8;
return (old_pm == new_pm) ? 0 : 1;
}
@@ -200,7 +135,7 @@ static void exynos4210_set_frequency(unsigned int old_index,
/* 2. Change just s value in apll m,p,s value */
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~(0x7 << 0);
- tmp |= (exynos4210_apll_pms_table[new_index] & 0x7);
+ tmp |= apll_freq_4210[new_index].mps & 0x7;
__raw_writel(tmp, EXYNOS4_APLL_CON0);
} else {
/* Clock Configuration Procedure */
@@ -214,7 +149,7 @@ static void exynos4210_set_frequency(unsigned int old_index,
/* 1. Change just s value in apll m,p,s value */
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~(0x7 << 0);
- tmp |= (exynos4210_apll_pms_table[new_index] & 0x7);
+ tmp |= apll_freq_4210[new_index].mps & 0x7;
__raw_writel(tmp, EXYNOS4_APLL_CON0);
/* 2. Change the system clock divider values */
@@ -231,8 +166,6 @@ static void exynos4210_set_frequency(unsigned int old_index,
int exynos4210_cpufreq_init(struct exynos_dvfs_info *info)
{
- int i;
- unsigned int tmp;
unsigned long rate;
cpu_clk = clk_get(NULL, "armclk");
@@ -253,33 +186,9 @@ int exynos4210_cpufreq_init(struct exynos_dvfs_info *info)
if (IS_ERR(mout_apll))
goto err_mout_apll;
- tmp = __raw_readl(EXYNOS4_CLKDIV_CPU);
-
- for (i = L0; i < CPUFREQ_LEVEL_END; i++) {
- tmp &= ~(EXYNOS4_CLKDIV_CPU0_CORE_MASK |
- EXYNOS4_CLKDIV_CPU0_COREM0_MASK |
- EXYNOS4_CLKDIV_CPU0_COREM1_MASK |
- EXYNOS4_CLKDIV_CPU0_PERIPH_MASK |
- EXYNOS4_CLKDIV_CPU0_ATB_MASK |
- EXYNOS4_CLKDIV_CPU0_PCLKDBG_MASK |
- EXYNOS4_CLKDIV_CPU0_APLL_MASK);
-
- tmp |= ((clkdiv_cpu0[i][0] << EXYNOS4_CLKDIV_CPU0_CORE_SHIFT) |
- (clkdiv_cpu0[i][1] << EXYNOS4_CLKDIV_CPU0_COREM0_SHIFT) |
- (clkdiv_cpu0[i][2] << EXYNOS4_CLKDIV_CPU0_COREM1_SHIFT) |
- (clkdiv_cpu0[i][3] << EXYNOS4_CLKDIV_CPU0_PERIPH_SHIFT) |
- (clkdiv_cpu0[i][4] << EXYNOS4_CLKDIV_CPU0_ATB_SHIFT) |
- (clkdiv_cpu0[i][5] << EXYNOS4_CLKDIV_CPU0_PCLKDBG_SHIFT) |
- (clkdiv_cpu0[i][6] << EXYNOS4_CLKDIV_CPU0_APLL_SHIFT));
-
- exynos4210_clkdiv_table[i].clkdiv = tmp;
- }
-
info->mpll_freq_khz = rate;
- info->pm_lock_idx = L2;
+ /* 800Mhz */
info->pll_safe_idx = L2;
- info->max_support_idx = max_support_idx;
- info->min_support_idx = min_support_idx;
info->cpu_clk = cpu_clk;
info->volt_table = exynos4210_volt_table;
info->freq_table = exynos4210_freq_table;
@@ -289,14 +198,11 @@ int exynos4210_cpufreq_init(struct exynos_dvfs_info *info)
return 0;
err_mout_apll:
- if (!IS_ERR(mout_mpll))
- clk_put(mout_mpll);
+ clk_put(mout_mpll);
err_mout_mpll:
- if (!IS_ERR(moutcore))
- clk_put(moutcore);
+ clk_put(moutcore);
err_moutcore:
- if (!IS_ERR(cpu_clk))
- clk_put(cpu_clk);
+ clk_put(cpu_clk);
pr_debug("%s: failed initialization\n", __func__);
return -EINVAL;
diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c b/drivers/cpufreq/exynos4x12-cpufreq.c
index 8c5a7afa5b0..0661039e5d4 100644
--- a/drivers/cpufreq/exynos4x12-cpufreq.c
+++ b/drivers/cpufreq/exynos4x12-cpufreq.c
@@ -20,26 +20,18 @@
#include <mach/regs-clock.h>
#include <mach/cpufreq.h>
-#define CPUFREQ_LEVEL_END (L13 + 1)
-
-static int max_support_idx;
-static int min_support_idx = (CPUFREQ_LEVEL_END - 1);
-
static struct clk *cpu_clk;
static struct clk *moutcore;
static struct clk *mout_mpll;
static struct clk *mout_apll;
-struct cpufreq_clkdiv {
- unsigned int index;
- unsigned int clkdiv;
- unsigned int clkdiv1;
+static unsigned int exynos4x12_volt_table[] = {
+ 1350000, 1287500, 1250000, 1187500, 1137500, 1087500, 1037500,
+ 1000000, 987500, 975000, 950000, 925000, 900000, 900000
};
-static unsigned int exynos4x12_volt_table[CPUFREQ_LEVEL_END];
-
static struct cpufreq_frequency_table exynos4x12_freq_table[] = {
- {L0, 1500 * 1000},
+ {L0, CPUFREQ_ENTRY_INVALID},
{L1, 1400 * 1000},
{L2, 1300 * 1000},
{L3, 1200 * 1000},
@@ -56,247 +48,54 @@ static struct cpufreq_frequency_table exynos4x12_freq_table[] = {
{0, CPUFREQ_TABLE_END},
};
-static struct cpufreq_clkdiv exynos4x12_clkdiv_table[CPUFREQ_LEVEL_END];
+static struct apll_freq *apll_freq_4x12;
-static unsigned int clkdiv_cpu0_4212[CPUFREQ_LEVEL_END][8] = {
+static struct apll_freq apll_freq_4212[] = {
/*
- * Clock divider value for following
- * { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
- * DIVATB, DIVPCLK_DBG, DIVAPLL, DIVCORE2 }
+ * values:
+ * freq
+ * clock divider for CORE, COREM0, COREM1, PERIPH, ATB, PCLK_DBG, APLL, CORE2
+ * clock divider for COPY, HPM, RESERVED
+ * PLL M, P, S
*/
- /* ARM L0: 1500 MHz */
- { 0, 3, 7, 0, 6, 1, 2, 0 },
-
- /* ARM L1: 1400 MHz */
- { 0, 3, 7, 0, 6, 1, 2, 0 },
-
- /* ARM L2: 1300 MHz */
- { 0, 3, 7, 0, 5, 1, 2, 0 },
-
- /* ARM L3: 1200 MHz */
- { 0, 3, 7, 0, 5, 1, 2, 0 },
-
- /* ARM L4: 1100 MHz */
- { 0, 3, 6, 0, 4, 1, 2, 0 },
-
- /* ARM L5: 1000 MHz */
- { 0, 2, 5, 0, 4, 1, 1, 0 },
-
- /* ARM L6: 900 MHz */
- { 0, 2, 5, 0, 3, 1, 1, 0 },
-
- /* ARM L7: 800 MHz */
- { 0, 2, 5, 0, 3, 1, 1, 0 },
-
- /* ARM L8: 700 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L9: 600 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L10: 500 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L11: 400 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L12: 300 MHz */
- { 0, 2, 4, 0, 2, 1, 1, 0 },
-
- /* ARM L13: 200 MHz */
- { 0, 1, 3, 0, 1, 1, 1, 0 },
+ APLL_FREQ(1500, 0, 3, 7, 0, 6, 1, 2, 0, 6, 2, 0, 250, 4, 0),
+ APLL_FREQ(1400, 0, 3, 7, 0, 6, 1, 2, 0, 6, 2, 0, 175, 3, 0),
+ APLL_FREQ(1300, 0, 3, 7, 0, 5, 1, 2, 0, 5, 2, 0, 325, 6, 0),
+ APLL_FREQ(1200, 0, 3, 7, 0, 5, 1, 2, 0, 5, 2, 0, 200, 4, 0),
+ APLL_FREQ(1100, 0, 3, 6, 0, 4, 1, 2, 0, 4, 2, 0, 275, 6, 0),
+ APLL_FREQ(1000, 0, 2, 5, 0, 4, 1, 1, 0, 4, 2, 0, 125, 3, 0),
+ APLL_FREQ(900, 0, 2, 5, 0, 3, 1, 1, 0, 3, 2, 0, 150, 4, 0),
+ APLL_FREQ(800, 0, 2, 5, 0, 3, 1, 1, 0, 3, 2, 0, 100, 3, 0),
+ APLL_FREQ(700, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 175, 3, 1),
+ APLL_FREQ(600, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 200, 4, 1),
+ APLL_FREQ(500, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 125, 3, 1),
+ APLL_FREQ(400, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 100, 3, 1),
+ APLL_FREQ(300, 0, 2, 4, 0, 2, 1, 1, 0, 3, 2, 0, 200, 4, 2),
+ APLL_FREQ(200, 0, 1, 3, 0, 1, 1, 1, 0, 3, 2, 0, 100, 3, 2),
};
-static unsigned int clkdiv_cpu0_4412[CPUFREQ_LEVEL_END][8] = {
+static struct apll_freq apll_freq_4412[] = {
/*
- * Clock divider value for following
- * { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
- * DIVATB, DIVPCLK_DBG, DIVAPLL, DIVCORE2 }
- */
- /* ARM L0: 1500 MHz */
- { 0, 3, 7, 0, 6, 1, 2, 0 },
-
- /* ARM L1: 1400 MHz */
- { 0, 3, 7, 0, 6, 1, 2, 0 },
-
- /* ARM L2: 1300 MHz */
- { 0, 3, 7, 0, 5, 1, 2, 0 },
-
- /* ARM L3: 1200 MHz */
- { 0, 3, 7, 0, 5, 1, 2, 0 },
-
- /* ARM L4: 1100 MHz */
- { 0, 3, 6, 0, 4, 1, 2, 0 },
-
- /* ARM L5: 1000 MHz */
- { 0, 2, 5, 0, 4, 1, 1, 0 },
-
- /* ARM L6: 900 MHz */
- { 0, 2, 5, 0, 3, 1, 1, 0 },
-
- /* ARM L7: 800 MHz */
- { 0, 2, 5, 0, 3, 1, 1, 0 },
-
- /* ARM L8: 700 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L9: 600 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L10: 500 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L11: 400 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L12: 300 MHz */
- { 0, 2, 4, 0, 2, 1, 1, 0 },
-
- /* ARM L13: 200 MHz */
- { 0, 1, 3, 0, 1, 1, 1, 0 },
-};
-
-static unsigned int clkdiv_cpu1_4212[CPUFREQ_LEVEL_END][2] = {
- /* Clock divider value for following
- * { DIVCOPY, DIVHPM }
- */
- /* ARM L0: 1500 MHz */
- { 6, 0 },
-
- /* ARM L1: 1400 MHz */
- { 6, 0 },
-
- /* ARM L2: 1300 MHz */
- { 5, 0 },
-
- /* ARM L3: 1200 MHz */
- { 5, 0 },
-
- /* ARM L4: 1100 MHz */
- { 4, 0 },
-
- /* ARM L5: 1000 MHz */
- { 4, 0 },
-
- /* ARM L6: 900 MHz */
- { 3, 0 },
-
- /* ARM L7: 800 MHz */
- { 3, 0 },
-
- /* ARM L8: 700 MHz */
- { 3, 0 },
-
- /* ARM L9: 600 MHz */
- { 3, 0 },
-
- /* ARM L10: 500 MHz */
- { 3, 0 },
-
- /* ARM L11: 400 MHz */
- { 3, 0 },
-
- /* ARM L12: 300 MHz */
- { 3, 0 },
-
- /* ARM L13: 200 MHz */
- { 3, 0 },
-};
-
-static unsigned int clkdiv_cpu1_4412[CPUFREQ_LEVEL_END][3] = {
- /* Clock divider value for following
- * { DIVCOPY, DIVHPM, DIVCORES }
+ * values:
+ * freq
+ * clock divider for CORE, COREM0, COREM1, PERIPH, ATB, PCLK_DBG, APLL, CORE2
+ * clock divider for COPY, HPM, CORES
+ * PLL M, P, S
*/
- /* ARM L0: 1500 MHz */
- { 6, 0, 7 },
-
- /* ARM L1: 1400 MHz */
- { 6, 0, 6 },
-
- /* ARM L2: 1300 MHz */
- { 5, 0, 6 },
-
- /* ARM L3: 1200 MHz */
- { 5, 0, 5 },
-
- /* ARM L4: 1100 MHz */
- { 4, 0, 5 },
-
- /* ARM L5: 1000 MHz */
- { 4, 0, 4 },
-
- /* ARM L6: 900 MHz */
- { 3, 0, 4 },
-
- /* ARM L7: 800 MHz */
- { 3, 0, 3 },
-
- /* ARM L8: 700 MHz */
- { 3, 0, 3 },
-
- /* ARM L9: 600 MHz */
- { 3, 0, 2 },
-
- /* ARM L10: 500 MHz */
- { 3, 0, 2 },
-
- /* ARM L11: 400 MHz */
- { 3, 0, 1 },
-
- /* ARM L12: 300 MHz */
- { 3, 0, 1 },
-
- /* ARM L13: 200 MHz */
- { 3, 0, 0 },
-};
-
-static unsigned int exynos4x12_apll_pms_table[CPUFREQ_LEVEL_END] = {
- /* APLL FOUT L0: 1500 MHz */
- ((250 << 16) | (4 << 8) | (0x0)),
-
- /* APLL FOUT L1: 1400 MHz */
- ((175 << 16) | (3 << 8) | (0x0)),
-
- /* APLL FOUT L2: 1300 MHz */
- ((325 << 16) | (6 << 8) | (0x0)),
-
- /* APLL FOUT L3: 1200 MHz */
- ((200 << 16) | (4 << 8) | (0x0)),
-
- /* APLL FOUT L4: 1100 MHz */
- ((275 << 16) | (6 << 8) | (0x0)),
-
- /* APLL FOUT L5: 1000 MHz */
- ((125 << 16) | (3 << 8) | (0x0)),
-
- /* APLL FOUT L6: 900 MHz */
- ((150 << 16) | (4 << 8) | (0x0)),
-
- /* APLL FOUT L7: 800 MHz */
- ((100 << 16) | (3 << 8) | (0x0)),
-
- /* APLL FOUT L8: 700 MHz */
- ((175 << 16) | (3 << 8) | (0x1)),
-
- /* APLL FOUT L9: 600 MHz */
- ((200 << 16) | (4 << 8) | (0x1)),
-
- /* APLL FOUT L10: 500 MHz */
- ((125 << 16) | (3 << 8) | (0x1)),
-
- /* APLL FOUT L11 400 MHz */
- ((100 << 16) | (3 << 8) | (0x1)),
-
- /* APLL FOUT L12: 300 MHz */
- ((200 << 16) | (4 << 8) | (0x2)),
-
- /* APLL FOUT L13: 200 MHz */
- ((100 << 16) | (3 << 8) | (0x2)),
-};
-
-static const unsigned int asv_voltage_4x12[CPUFREQ_LEVEL_END] = {
- 1350000, 1287500, 1250000, 1187500, 1137500, 1087500, 1037500,
- 1000000, 987500, 975000, 950000, 925000, 900000, 900000
+ APLL_FREQ(1500, 0, 3, 7, 0, 6, 1, 2, 0, 6, 0, 7, 250, 4, 0),
+ APLL_FREQ(1400, 0, 3, 7, 0, 6, 1, 2, 0, 6, 0, 6, 175, 3, 0),
+ APLL_FREQ(1300, 0, 3, 7, 0, 5, 1, 2, 0, 5, 0, 6, 325, 6, 0),
+ APLL_FREQ(1200, 0, 3, 7, 0, 5, 1, 2, 0, 5, 0, 5, 200, 4, 0),
+ APLL_FREQ(1100, 0, 3, 6, 0, 4, 1, 2, 0, 4, 0, 5, 275, 6, 0),
+ APLL_FREQ(1000, 0, 2, 5, 0, 4, 1, 1, 0, 4, 0, 4, 125, 3, 0),
+ APLL_FREQ(900, 0, 2, 5, 0, 3, 1, 1, 0, 3, 0, 4, 150, 4, 0),
+ APLL_FREQ(800, 0, 2, 5, 0, 3, 1, 1, 0, 3, 0, 3, 100, 3, 0),
+ APLL_FREQ(700, 0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 3, 175, 3, 1),
+ APLL_FREQ(600, 0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 2, 200, 4, 1),
+ APLL_FREQ(500, 0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 2, 125, 3, 1),
+ APLL_FREQ(400, 0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 1, 100, 3, 1),
+ APLL_FREQ(300, 0, 2, 4, 0, 2, 1, 1, 0, 3, 0, 1, 200, 4, 2),
+ APLL_FREQ(200, 0, 1, 3, 0, 1, 1, 1, 0, 3, 0, 0, 100, 3, 2),
};
static void exynos4x12_set_clkdiv(unsigned int div_index)
@@ -306,7 +105,7 @@ static void exynos4x12_set_clkdiv(unsigned int div_index)
/* Change Divider - CPU0 */
- tmp = exynos4x12_clkdiv_table[div_index].clkdiv;
+ tmp = apll_freq_4x12[div_index].clk_div_cpu0;
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU);
@@ -314,7 +113,7 @@ static void exynos4x12_set_clkdiv(unsigned int div_index)
cpu_relax();
/* Change Divider - CPU1 */
- tmp = exynos4x12_clkdiv_table[div_index].clkdiv1;
+ tmp = apll_freq_4x12[div_index].clk_div_cpu1;
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU1);
if (soc_is_exynos4212())
@@ -341,14 +140,14 @@ static void exynos4x12_set_apll(unsigned int index)
} while (tmp != 0x2);
/* 2. Set APLL Lock time */
- pdiv = ((exynos4x12_apll_pms_table[index] >> 8) & 0x3f);
+ pdiv = ((apll_freq_4x12[index].mps >> 8) & 0x3f);
__raw_writel((pdiv * 250), EXYNOS4_APLL_LOCK);
/* 3. Change PLL PMS values */
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
- tmp |= exynos4x12_apll_pms_table[index];
+ tmp |= apll_freq_4x12[index].mps;
__raw_writel(tmp, EXYNOS4_APLL_CON0);
/* 4. wait_lock_time */
@@ -367,10 +166,10 @@ static void exynos4x12_set_apll(unsigned int index)
} while (tmp != (0x1 << EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT));
}
-bool exynos4x12_pms_change(unsigned int old_index, unsigned int new_index)
+static bool exynos4x12_pms_change(unsigned int old_index, unsigned int new_index)
{
- unsigned int old_pm = exynos4x12_apll_pms_table[old_index] >> 8;
- unsigned int new_pm = exynos4x12_apll_pms_table[new_index] >> 8;
+ unsigned int old_pm = apll_freq_4x12[old_index].mps >> 8;
+ unsigned int new_pm = apll_freq_4x12[new_index].mps >> 8;
return (old_pm == new_pm) ? 0 : 1;
}
@@ -387,7 +186,7 @@ static void exynos4x12_set_frequency(unsigned int old_index,
/* 2. Change just s value in apll m,p,s value */
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~(0x7 << 0);
- tmp |= (exynos4x12_apll_pms_table[new_index] & 0x7);
+ tmp |= apll_freq_4x12[new_index].mps & 0x7;
__raw_writel(tmp, EXYNOS4_APLL_CON0);
} else {
@@ -402,7 +201,7 @@ static void exynos4x12_set_frequency(unsigned int old_index,
/* 1. Change just s value in apll m,p,s value */
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~(0x7 << 0);
- tmp |= (exynos4x12_apll_pms_table[new_index] & 0x7);
+ tmp |= apll_freq_4x12[new_index].mps & 0x7;
__raw_writel(tmp, EXYNOS4_APLL_CON0);
/* 2. Change the system clock divider values */
exynos4x12_set_clkdiv(new_index);
@@ -416,27 +215,10 @@ static void exynos4x12_set_frequency(unsigned int old_index,
}
}
-static void __init set_volt_table(void)
-{
- unsigned int i;
-
- max_support_idx = L1;
-
- /* Not supported */
- exynos4x12_freq_table[L0].frequency = CPUFREQ_ENTRY_INVALID;
-
- for (i = 0 ; i < CPUFREQ_LEVEL_END ; i++)
- exynos4x12_volt_table[i] = asv_voltage_4x12[i];
-}
-
int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
{
- int i;
- unsigned int tmp;
unsigned long rate;
- set_volt_table();
-
cpu_clk = clk_get(NULL, "armclk");
if (IS_ERR(cpu_clk))
return PTR_ERR(cpu_clk);
@@ -455,66 +237,14 @@ int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
if (IS_ERR(mout_apll))
goto err_mout_apll;
- for (i = L0; i < CPUFREQ_LEVEL_END; i++) {
-
- exynos4x12_clkdiv_table[i].index = i;
-
- tmp = __raw_readl(EXYNOS4_CLKDIV_CPU);
-
- tmp &= ~(EXYNOS4_CLKDIV_CPU0_CORE_MASK |
- EXYNOS4_CLKDIV_CPU0_COREM0_MASK |
- EXYNOS4_CLKDIV_CPU0_COREM1_MASK |
- EXYNOS4_CLKDIV_CPU0_PERIPH_MASK |
- EXYNOS4_CLKDIV_CPU0_ATB_MASK |
- EXYNOS4_CLKDIV_CPU0_PCLKDBG_MASK |
- EXYNOS4_CLKDIV_CPU0_APLL_MASK);
-
- if (soc_is_exynos4212()) {
- tmp |= ((clkdiv_cpu0_4212[i][0] << EXYNOS4_CLKDIV_CPU0_CORE_SHIFT) |
- (clkdiv_cpu0_4212[i][1] << EXYNOS4_CLKDIV_CPU0_COREM0_SHIFT) |
- (clkdiv_cpu0_4212[i][2] << EXYNOS4_CLKDIV_CPU0_COREM1_SHIFT) |
- (clkdiv_cpu0_4212[i][3] << EXYNOS4_CLKDIV_CPU0_PERIPH_SHIFT) |
- (clkdiv_cpu0_4212[i][4] << EXYNOS4_CLKDIV_CPU0_ATB_SHIFT) |
- (clkdiv_cpu0_4212[i][5] << EXYNOS4_CLKDIV_CPU0_PCLKDBG_SHIFT) |
- (clkdiv_cpu0_4212[i][6] << EXYNOS4_CLKDIV_CPU0_APLL_SHIFT));
- } else {
- tmp &= ~EXYNOS4_CLKDIV_CPU0_CORE2_MASK;
-
- tmp |= ((clkdiv_cpu0_4412[i][0] << EXYNOS4_CLKDIV_CPU0_CORE_SHIFT) |
- (clkdiv_cpu0_4412[i][1] << EXYNOS4_CLKDIV_CPU0_COREM0_SHIFT) |
- (clkdiv_cpu0_4412[i][2] << EXYNOS4_CLKDIV_CPU0_COREM1_SHIFT) |
- (clkdiv_cpu0_4412[i][3] << EXYNOS4_CLKDIV_CPU0_PERIPH_SHIFT) |
- (clkdiv_cpu0_4412[i][4] << EXYNOS4_CLKDIV_CPU0_ATB_SHIFT) |
- (clkdiv_cpu0_4412[i][5] << EXYNOS4_CLKDIV_CPU0_PCLKDBG_SHIFT) |
- (clkdiv_cpu0_4412[i][6] << EXYNOS4_CLKDIV_CPU0_APLL_SHIFT) |
- (clkdiv_cpu0_4412[i][7] << EXYNOS4_CLKDIV_CPU0_CORE2_SHIFT));
- }
-
- exynos4x12_clkdiv_table[i].clkdiv = tmp;
-
- tmp = __raw_readl(EXYNOS4_CLKDIV_CPU1);
-
- if (soc_is_exynos4212()) {
- tmp &= ~(EXYNOS4_CLKDIV_CPU1_COPY_MASK |
- EXYNOS4_CLKDIV_CPU1_HPM_MASK);
- tmp |= ((clkdiv_cpu1_4212[i][0] << EXYNOS4_CLKDIV_CPU1_COPY_SHIFT) |
- (clkdiv_cpu1_4212[i][1] << EXYNOS4_CLKDIV_CPU1_HPM_SHIFT));
- } else {
- tmp &= ~(EXYNOS4_CLKDIV_CPU1_COPY_MASK |
- EXYNOS4_CLKDIV_CPU1_HPM_MASK |
- EXYNOS4_CLKDIV_CPU1_CORES_MASK);
- tmp |= ((clkdiv_cpu1_4412[i][0] << EXYNOS4_CLKDIV_CPU1_COPY_SHIFT) |
- (clkdiv_cpu1_4412[i][1] << EXYNOS4_CLKDIV_CPU1_HPM_SHIFT) |
- (clkdiv_cpu1_4412[i][2] << EXYNOS4_CLKDIV_CPU1_CORES_SHIFT));
- }
- exynos4x12_clkdiv_table[i].clkdiv1 = tmp;
- }
+ if (soc_is_exynos4212())
+ apll_freq_4x12 = apll_freq_4212;
+ else
+ apll_freq_4x12 = apll_freq_4412;
info->mpll_freq_khz = rate;
- info->pm_lock_idx = L5;
+ /* 800Mhz */
info->pll_safe_idx = L7;
- info->max_support_idx = max_support_idx;
- info->min_support_idx = min_support_idx;
info->cpu_clk = cpu_clk;
info->volt_table = exynos4x12_volt_table;
info->freq_table = exynos4x12_freq_table;
diff --git a/drivers/cpufreq/exynos5250-cpufreq.c b/drivers/cpufreq/exynos5250-cpufreq.c
index e64c253cb16..b9344869f82 100644
--- a/drivers/cpufreq/exynos5250-cpufreq.c
+++ b/drivers/cpufreq/exynos5250-cpufreq.c
@@ -21,23 +21,18 @@
#include <mach/regs-clock.h>
#include <mach/cpufreq.h>
-#define CPUFREQ_LEVEL_END (L15 + 1)
-
-static int max_support_idx;
-static int min_support_idx = (CPUFREQ_LEVEL_END - 1);
static struct clk *cpu_clk;
static struct clk *moutcore;
static struct clk *mout_mpll;
static struct clk *mout_apll;
-struct cpufreq_clkdiv {
- unsigned int index;
- unsigned int clkdiv;
- unsigned int clkdiv1;
+static unsigned int exynos5250_volt_table[] = {
+ 1300000, 1250000, 1225000, 1200000, 1150000,
+ 1125000, 1100000, 1075000, 1050000, 1025000,
+ 1012500, 1000000, 975000, 950000, 937500,
+ 925000
};
-static unsigned int exynos5250_volt_table[CPUFREQ_LEVEL_END];
-
static struct cpufreq_frequency_table exynos5250_freq_table[] = {
{L0, 1700 * 1000},
{L1, 1600 * 1000},
@@ -47,8 +42,8 @@ static struct cpufreq_frequency_table exynos5250_freq_table[] = {
{L5, 1200 * 1000},
{L6, 1100 * 1000},
{L7, 1000 * 1000},
- {L8, 900 * 1000},
- {L9, 800 * 1000},
+ {L8, 900 * 1000},
+ {L9, 800 * 1000},
{L10, 700 * 1000},
{L11, 600 * 1000},
{L12, 500 * 1000},
@@ -58,78 +53,30 @@ static struct cpufreq_frequency_table exynos5250_freq_table[] = {
{0, CPUFREQ_TABLE_END},
};
-static struct cpufreq_clkdiv exynos5250_clkdiv_table[CPUFREQ_LEVEL_END];
-
-static unsigned int clkdiv_cpu0_5250[CPUFREQ_LEVEL_END][8] = {
+static struct apll_freq apll_freq_5250[] = {
/*
- * Clock divider value for following
- * { ARM, CPUD, ACP, PERIPH, ATB, PCLK_DBG, APLL, ARM2 }
- */
- { 0, 3, 7, 7, 7, 3, 5, 0 }, /* 1700 MHz */
- { 0, 3, 7, 7, 7, 1, 4, 0 }, /* 1600 MHz */
- { 0, 2, 7, 7, 7, 1, 4, 0 }, /* 1500 MHz */
- { 0, 2, 7, 7, 6, 1, 4, 0 }, /* 1400 MHz */
- { 0, 2, 7, 7, 6, 1, 3, 0 }, /* 1300 MHz */
- { 0, 2, 7, 7, 5, 1, 3, 0 }, /* 1200 MHz */
- { 0, 3, 7, 7, 5, 1, 3, 0 }, /* 1100 MHz */
- { 0, 1, 7, 7, 4, 1, 2, 0 }, /* 1000 MHz */
- { 0, 1, 7, 7, 4, 1, 2, 0 }, /* 900 MHz */
- { 0, 1, 7, 7, 4, 1, 2, 0 }, /* 800 MHz */
- { 0, 1, 7, 7, 3, 1, 1, 0 }, /* 700 MHz */
- { 0, 1, 7, 7, 3, 1, 1, 0 }, /* 600 MHz */
- { 0, 1, 7, 7, 2, 1, 1, 0 }, /* 500 MHz */
- { 0, 1, 7, 7, 2, 1, 1, 0 }, /* 400 MHz */
- { 0, 1, 7, 7, 1, 1, 1, 0 }, /* 300 MHz */
- { 0, 1, 7, 7, 1, 1, 1, 0 }, /* 200 MHz */
-};
-
-static unsigned int clkdiv_cpu1_5250[CPUFREQ_LEVEL_END][2] = {
- /* Clock divider value for following
- * { COPY, HPM }
+ * values:
+ * freq
+ * clock divider for ARM, CPUD, ACP, PERIPH, ATB, PCLK_DBG, APLL, ARM2
+ * clock divider for COPY, HPM, RESERVED
+ * PLL M, P, S
*/
- { 0, 2 }, /* 1700 MHz */
- { 0, 2 }, /* 1600 MHz */
- { 0, 2 }, /* 1500 MHz */
- { 0, 2 }, /* 1400 MHz */
- { 0, 2 }, /* 1300 MHz */
- { 0, 2 }, /* 1200 MHz */
- { 0, 2 }, /* 1100 MHz */
- { 0, 2 }, /* 1000 MHz */
- { 0, 2 }, /* 900 MHz */
- { 0, 2 }, /* 800 MHz */
- { 0, 2 }, /* 700 MHz */
- { 0, 2 }, /* 600 MHz */
- { 0, 2 }, /* 500 MHz */
- { 0, 2 }, /* 400 MHz */
- { 0, 2 }, /* 300 MHz */
- { 0, 2 }, /* 200 MHz */
-};
-
-static unsigned int exynos5_apll_pms_table[CPUFREQ_LEVEL_END] = {
- ((425 << 16) | (6 << 8) | 0), /* 1700 MHz */
- ((200 << 16) | (3 << 8) | 0), /* 1600 MHz */
- ((250 << 16) | (4 << 8) | 0), /* 1500 MHz */
- ((175 << 16) | (3 << 8) | 0), /* 1400 MHz */
- ((325 << 16) | (6 << 8) | 0), /* 1300 MHz */
- ((200 << 16) | (4 << 8) | 0), /* 1200 MHz */
- ((275 << 16) | (6 << 8) | 0), /* 1100 MHz */
- ((125 << 16) | (3 << 8) | 0), /* 1000 MHz */
- ((150 << 16) | (4 << 8) | 0), /* 900 MHz */
- ((100 << 16) | (3 << 8) | 0), /* 800 MHz */
- ((175 << 16) | (3 << 8) | 1), /* 700 MHz */
- ((200 << 16) | (4 << 8) | 1), /* 600 MHz */
- ((125 << 16) | (3 << 8) | 1), /* 500 MHz */
- ((100 << 16) | (3 << 8) | 1), /* 400 MHz */
- ((200 << 16) | (4 << 8) | 2), /* 300 MHz */
- ((100 << 16) | (3 << 8) | 2), /* 200 MHz */
-};
-
-/* ASV group voltage table */
-static const unsigned int asv_voltage_5250[CPUFREQ_LEVEL_END] = {
- 1300000, 1250000, 1225000, 1200000, 1150000,
- 1125000, 1100000, 1075000, 1050000, 1025000,
- 1012500, 1000000, 975000, 950000, 937500,
- 925000
+ APLL_FREQ(1700, 0, 3, 7, 7, 7, 3, 5, 0, 0, 2, 0, 425, 6, 0),
+ APLL_FREQ(1600, 0, 3, 7, 7, 7, 1, 4, 0, 0, 2, 0, 200, 3, 0),
+ APLL_FREQ(1500, 0, 2, 7, 7, 7, 1, 4, 0, 0, 2, 0, 250, 4, 0),
+ APLL_FREQ(1400, 0, 2, 7, 7, 6, 1, 4, 0, 0, 2, 0, 175, 3, 0),
+ APLL_FREQ(1300, 0, 2, 7, 7, 6, 1, 3, 0, 0, 2, 0, 325, 6, 0),
+ APLL_FREQ(1200, 0, 2, 7, 7, 5, 1, 3, 0, 0, 2, 0, 200, 4, 0),
+ APLL_FREQ(1100, 0, 3, 7, 7, 5, 1, 3, 0, 0, 2, 0, 275, 6, 0),
+ APLL_FREQ(1000, 0, 1, 7, 7, 4, 1, 2, 0, 0, 2, 0, 125, 3, 0),
+ APLL_FREQ(900, 0, 1, 7, 7, 4, 1, 2, 0, 0, 2, 0, 150, 4, 0),
+ APLL_FREQ(800, 0, 1, 7, 7, 4, 1, 2, 0, 0, 2, 0, 100, 3, 0),
+ APLL_FREQ(700, 0, 1, 7, 7, 3, 1, 1, 0, 0, 2, 0, 175, 3, 1),
+ APLL_FREQ(600, 0, 1, 7, 7, 3, 1, 1, 0, 0, 2, 0, 200, 4, 1),
+ APLL_FREQ(500, 0, 1, 7, 7, 2, 1, 1, 0, 0, 2, 0, 125, 3, 1),
+ APLL_FREQ(400, 0, 1, 7, 7, 2, 1, 1, 0, 0, 2, 0, 100, 3, 1),
+ APLL_FREQ(300, 0, 1, 7, 7, 1, 1, 1, 0, 0, 2, 0, 200, 4, 2),
+ APLL_FREQ(200, 0, 1, 7, 7, 1, 1, 1, 0, 0, 2, 0, 100, 3, 2),
};
static void set_clkdiv(unsigned int div_index)
@@ -138,7 +85,7 @@ static void set_clkdiv(unsigned int div_index)
/* Change Divider - CPU0 */
- tmp = exynos5250_clkdiv_table[div_index].clkdiv;
+ tmp = apll_freq_5250[div_index].clk_div_cpu0;
__raw_writel(tmp, EXYNOS5_CLKDIV_CPU0);
@@ -146,7 +93,7 @@ static void set_clkdiv(unsigned int div_index)
cpu_relax();
/* Change Divider - CPU1 */
- tmp = exynos5250_clkdiv_table[div_index].clkdiv1;
+ tmp = apll_freq_5250[div_index].clk_div_cpu1;
__raw_writel(tmp, EXYNOS5_CLKDIV_CPU1);
@@ -169,14 +116,14 @@ static void set_apll(unsigned int new_index,
} while (tmp != 0x2);
/* 2. Set APLL Lock time */
- pdiv = ((exynos5_apll_pms_table[new_index] >> 8) & 0x3f);
+ pdiv = ((apll_freq_5250[new_index].mps >> 8) & 0x3f);
__raw_writel((pdiv * 250), EXYNOS5_APLL_LOCK);
/* 3. Change PLL PMS values */
tmp = __raw_readl(EXYNOS5_APLL_CON0);
tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
- tmp |= exynos5_apll_pms_table[new_index];
+ tmp |= apll_freq_5250[new_index].mps;
__raw_writel(tmp, EXYNOS5_APLL_CON0);
/* 4. wait_lock_time */
@@ -196,10 +143,10 @@ static void set_apll(unsigned int new_index,
}
-bool exynos5250_pms_change(unsigned int old_index, unsigned int new_index)
+static bool exynos5250_pms_change(unsigned int old_index, unsigned int new_index)
{
- unsigned int old_pm = (exynos5_apll_pms_table[old_index] >> 8);
- unsigned int new_pm = (exynos5_apll_pms_table[new_index] >> 8);
+ unsigned int old_pm = apll_freq_5250[old_index].mps >> 8;
+ unsigned int new_pm = apll_freq_5250[new_index].mps >> 8;
return (old_pm == new_pm) ? 0 : 1;
}
@@ -216,7 +163,7 @@ static void exynos5250_set_frequency(unsigned int old_index,
/* 2. Change just s value in apll m,p,s value */
tmp = __raw_readl(EXYNOS5_APLL_CON0);
tmp &= ~(0x7 << 0);
- tmp |= (exynos5_apll_pms_table[new_index] & 0x7);
+ tmp |= apll_freq_5250[new_index].mps & 0x7;
__raw_writel(tmp, EXYNOS5_APLL_CON0);
} else {
@@ -231,7 +178,7 @@ static void exynos5250_set_frequency(unsigned int old_index,
/* 1. Change just s value in apll m,p,s value */
tmp = __raw_readl(EXYNOS5_APLL_CON0);
tmp &= ~(0x7 << 0);
- tmp |= (exynos5_apll_pms_table[new_index] & 0x7);
+ tmp |= apll_freq_5250[new_index].mps & 0x7;
__raw_writel(tmp, EXYNOS5_APLL_CON0);
/* 2. Change the system clock divider values */
set_clkdiv(new_index);
@@ -245,24 +192,10 @@ static void exynos5250_set_frequency(unsigned int old_index,
}
}
-static void __init set_volt_table(void)
-{
- unsigned int i;
-
- max_support_idx = L0;
-
- for (i = 0 ; i < CPUFREQ_LEVEL_END ; i++)
- exynos5250_volt_table[i] = asv_voltage_5250[i];
-}
-
int exynos5250_cpufreq_init(struct exynos_dvfs_info *info)
{
- int i;
- unsigned int tmp;
unsigned long rate;
- set_volt_table();
-
cpu_clk = clk_get(NULL, "armclk");
if (IS_ERR(cpu_clk))
return PTR_ERR(cpu_clk);
@@ -281,44 +214,9 @@ int exynos5250_cpufreq_init(struct exynos_dvfs_info *info)
if (IS_ERR(mout_apll))
goto err_mout_apll;
- for (i = L0; i < CPUFREQ_LEVEL_END; i++) {
-
- exynos5250_clkdiv_table[i].index = i;
-
- tmp = __raw_readl(EXYNOS5_CLKDIV_CPU0);
-
- tmp &= ~((0x7 << 0) | (0x7 << 4) | (0x7 << 8) |
- (0x7 << 12) | (0x7 << 16) | (0x7 << 20) |
- (0x7 << 24) | (0x7 << 28));
-
- tmp |= ((clkdiv_cpu0_5250[i][0] << 0) |
- (clkdiv_cpu0_5250[i][1] << 4) |
- (clkdiv_cpu0_5250[i][2] << 8) |
- (clkdiv_cpu0_5250[i][3] << 12) |
- (clkdiv_cpu0_5250[i][4] << 16) |
- (clkdiv_cpu0_5250[i][5] << 20) |
- (clkdiv_cpu0_5250[i][6] << 24) |
- (clkdiv_cpu0_5250[i][7] << 28));
-
- exynos5250_clkdiv_table[i].clkdiv = tmp;
-
- tmp = __raw_readl(EXYNOS5_CLKDIV_CPU1);
-
- tmp &= ~((0x7 << 0) | (0x7 << 4));
-
- tmp |= ((clkdiv_cpu1_5250[i][0] << 0) |
- (clkdiv_cpu1_5250[i][1] << 4));
-
- exynos5250_clkdiv_table[i].clkdiv1 = tmp;
- }
-
info->mpll_freq_khz = rate;
- /* 1000Mhz */
- info->pm_lock_idx = L7;
/* 800Mhz */
info->pll_safe_idx = L9;
- info->max_support_idx = max_support_idx;
- info->min_support_idx = min_support_idx;
info->cpu_clk = cpu_clk;
info->volt_table = exynos5250_volt_table;
info->freq_table = exynos5250_freq_table;
diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c
index 49cda256efb..d7a79662e24 100644
--- a/drivers/cpufreq/freq_table.c
+++ b/drivers/cpufreq/freq_table.c
@@ -63,9 +63,6 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy,
pr_debug("request for verification of policy (%u - %u kHz) for cpu %u\n",
policy->min, policy->max, policy->cpu);
- if (!cpu_online(policy->cpu))
- return -EINVAL;
-
cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
policy->cpuinfo.max_freq);
@@ -121,9 +118,6 @@ int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
break;
}
- if (!cpu_online(policy->cpu))
- return -EINVAL;
-
for (i = 0; (table[i].frequency != CPUFREQ_TABLE_END); i++) {
unsigned int freq = table[i].frequency;
if (freq == CPUFREQ_ENTRY_INVALID)
@@ -227,6 +221,15 @@ void cpufreq_frequency_table_put_attr(unsigned int cpu)
}
EXPORT_SYMBOL_GPL(cpufreq_frequency_table_put_attr);
+void cpufreq_frequency_table_update_policy_cpu(struct cpufreq_policy *policy)
+{
+ pr_debug("Updating show_table for new_cpu %u from last_cpu %u\n",
+ policy->cpu, policy->last_cpu);
+ per_cpu(cpufreq_show_table, policy->cpu) = per_cpu(cpufreq_show_table,
+ policy->last_cpu);
+ per_cpu(cpufreq_show_table, policy->last_cpu) = NULL;
+}
+
struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu)
{
return per_cpu(cpufreq_show_table, cpu);
diff --git a/drivers/cpufreq/highbank-cpufreq.c b/drivers/cpufreq/highbank-cpufreq.c
new file mode 100644
index 00000000000..66e3a71b81a
--- /dev/null
+++ b/drivers/cpufreq/highbank-cpufreq.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2012 Calxeda, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This driver provides the clk notifier callbacks that are used when
+ * the cpufreq-cpu0 driver changes to frequency to alert the highbank
+ * EnergyCore Management Engine (ECME) about the need to change
+ * voltage. The ECME interfaces with the actual voltage regulators.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/cpu.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/mailbox.h>
+#include <linux/platform_device.h>
+
+#define HB_CPUFREQ_CHANGE_NOTE 0x80000001
+#define HB_CPUFREQ_IPC_LEN 7
+#define HB_CPUFREQ_VOLT_RETRIES 15
+
+static int hb_voltage_change(unsigned int freq)
+{
+ int i;
+ u32 msg[HB_CPUFREQ_IPC_LEN];
+
+ msg[0] = HB_CPUFREQ_CHANGE_NOTE;
+ msg[1] = freq / 1000000;
+ for (i = 2; i < HB_CPUFREQ_IPC_LEN; i++)
+ msg[i] = 0;
+
+ return pl320_ipc_transmit(msg);
+}
+
+static int hb_cpufreq_clk_notify(struct notifier_block *nb,
+ unsigned long action, void *hclk)
+{
+ struct clk_notifier_data *clk_data = hclk;
+ int i = 0;
+
+ if (action == PRE_RATE_CHANGE) {
+ if (clk_data->new_rate > clk_data->old_rate)
+ while (hb_voltage_change(clk_data->new_rate))
+ if (i++ > HB_CPUFREQ_VOLT_RETRIES)
+ return NOTIFY_BAD;
+ } else if (action == POST_RATE_CHANGE) {
+ if (clk_data->new_rate < clk_data->old_rate)
+ while (hb_voltage_change(clk_data->new_rate))
+ if (i++ > HB_CPUFREQ_VOLT_RETRIES)
+ return NOTIFY_BAD;
+ }
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block hb_cpufreq_clk_nb = {
+ .notifier_call = hb_cpufreq_clk_notify,
+};
+
+static int hb_cpufreq_driver_init(void)
+{
+ struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
+ struct device *cpu_dev;
+ struct clk *cpu_clk;
+ struct device_node *np;
+ int ret;
+
+ if (!of_machine_is_compatible("calxeda,highbank"))
+ return -ENODEV;
+
+ for_each_child_of_node(of_find_node_by_path("/cpus"), np)
+ if (of_get_property(np, "operating-points", NULL))
+ break;
+
+ if (!np) {
+ pr_err("failed to find highbank cpufreq node\n");
+ return -ENOENT;
+ }
+
+ cpu_dev = get_cpu_device(0);
+ if (!cpu_dev) {
+ pr_err("failed to get highbank cpufreq device\n");
+ ret = -ENODEV;
+ goto out_put_node;
+ }
+
+ cpu_dev->of_node = np;
+
+ cpu_clk = clk_get(cpu_dev, NULL);
+ if (IS_ERR(cpu_clk)) {
+ ret = PTR_ERR(cpu_clk);
+ pr_err("failed to get cpu0 clock: %d\n", ret);
+ goto out_put_node;
+ }
+
+ ret = clk_notifier_register(cpu_clk, &hb_cpufreq_clk_nb);
+ if (ret) {
+ pr_err("failed to register clk notifier: %d\n", ret);
+ goto out_put_node;
+ }
+
+ /* Instantiate cpufreq-cpu0 */
+ platform_device_register_full(&devinfo);
+
+out_put_node:
+ of_node_put(np);
+ return ret;
+}
+module_init(hb_cpufreq_driver_init);
+
+MODULE_AUTHOR("Mark Langsdorf <mark.langsdorf@calxeda.com>");
+MODULE_DESCRIPTION("Calxeda Highbank cpufreq driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
new file mode 100644
index 00000000000..d6b6ef350cb
--- /dev/null
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -0,0 +1,336 @@
+/*
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/cpufreq.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/opp.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+
+#define PU_SOC_VOLTAGE_NORMAL 1250000
+#define PU_SOC_VOLTAGE_HIGH 1275000
+#define FREQ_1P2_GHZ 1200000000
+
+static struct regulator *arm_reg;
+static struct regulator *pu_reg;
+static struct regulator *soc_reg;
+
+static struct clk *arm_clk;
+static struct clk *pll1_sys_clk;
+static struct clk *pll1_sw_clk;
+static struct clk *step_clk;
+static struct clk *pll2_pfd2_396m_clk;
+
+static struct device *cpu_dev;
+static struct cpufreq_frequency_table *freq_table;
+static unsigned int transition_latency;
+
+static int imx6q_verify_speed(struct cpufreq_policy *policy)
+{
+ return cpufreq_frequency_table_verify(policy, freq_table);
+}
+
+static unsigned int imx6q_get_speed(unsigned int cpu)
+{
+ return clk_get_rate(arm_clk) / 1000;
+}
+
+static int imx6q_set_target(struct cpufreq_policy *policy,
+ unsigned int target_freq, unsigned int relation)
+{
+ struct cpufreq_freqs freqs;
+ struct opp *opp;
+ unsigned long freq_hz, volt, volt_old;
+ unsigned int index, cpu;
+ int ret;
+
+ ret = cpufreq_frequency_table_target(policy, freq_table, target_freq,
+ relation, &index);
+ if (ret) {
+ dev_err(cpu_dev, "failed to match target frequency %d: %d\n",
+ target_freq, ret);
+ return ret;
+ }
+
+ freqs.new = freq_table[index].frequency;
+ freq_hz = freqs.new * 1000;
+ freqs.old = clk_get_rate(arm_clk) / 1000;
+
+ if (freqs.old == freqs.new)
+ return 0;
+
+ for_each_online_cpu(cpu) {
+ freqs.cpu = cpu;
+ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+ }
+
+ rcu_read_lock();
+ opp = opp_find_freq_ceil(cpu_dev, &freq_hz);
+ if (IS_ERR(opp)) {
+ rcu_read_unlock();
+ dev_err(cpu_dev, "failed to find OPP for %ld\n", freq_hz);
+ return PTR_ERR(opp);
+ }
+
+ volt = opp_get_voltage(opp);
+ rcu_read_unlock();
+ volt_old = regulator_get_voltage(arm_reg);
+
+ dev_dbg(cpu_dev, "%u MHz, %ld mV --> %u MHz, %ld mV\n",
+ freqs.old / 1000, volt_old / 1000,
+ freqs.new / 1000, volt / 1000);
+
+ /* scaling up? scale voltage before frequency */
+ if (freqs.new > freqs.old) {
+ ret = regulator_set_voltage_tol(arm_reg, volt, 0);
+ if (ret) {
+ dev_err(cpu_dev,
+ "failed to scale vddarm up: %d\n", ret);
+ return ret;
+ }
+
+ /*
+ * Need to increase vddpu and vddsoc for safety
+ * if we are about to run at 1.2 GHz.
+ */
+ if (freqs.new == FREQ_1P2_GHZ / 1000) {
+ regulator_set_voltage_tol(pu_reg,
+ PU_SOC_VOLTAGE_HIGH, 0);
+ regulator_set_voltage_tol(soc_reg,
+ PU_SOC_VOLTAGE_HIGH, 0);
+ }
+ }
+
+ /*
+ * The setpoints are selected per PLL/PDF frequencies, so we need to
+ * reprogram PLL for frequency scaling. The procedure of reprogramming
+ * PLL1 is as below.
+ *
+ * - Enable pll2_pfd2_396m_clk and reparent pll1_sw_clk to it
+ * - Reprogram pll1_sys_clk and reparent pll1_sw_clk back to it
+ * - Disable pll2_pfd2_396m_clk
+ */
+ clk_prepare_enable(pll2_pfd2_396m_clk);
+ clk_set_parent(step_clk, pll2_pfd2_396m_clk);
+ clk_set_parent(pll1_sw_clk, step_clk);
+ if (freq_hz > clk_get_rate(pll2_pfd2_396m_clk)) {
+ clk_set_rate(pll1_sys_clk, freqs.new * 1000);
+ /*
+ * If we are leaving 396 MHz set-point, we need to enable
+ * pll1_sys_clk and disable pll2_pfd2_396m_clk to keep
+ * their use count correct.
+ */
+ if (freqs.old * 1000 <= clk_get_rate(pll2_pfd2_396m_clk)) {
+ clk_prepare_enable(pll1_sys_clk);
+ clk_disable_unprepare(pll2_pfd2_396m_clk);
+ }
+ clk_set_parent(pll1_sw_clk, pll1_sys_clk);
+ clk_disable_unprepare(pll2_pfd2_396m_clk);
+ } else {
+ /*
+ * Disable pll1_sys_clk if pll2_pfd2_396m_clk is sufficient
+ * to provide the frequency.
+ */
+ clk_disable_unprepare(pll1_sys_clk);
+ }
+
+ /* Ensure the arm clock divider is what we expect */
+ ret = clk_set_rate(arm_clk, freqs.new * 1000);
+ if (ret) {
+ dev_err(cpu_dev, "failed to set clock rate: %d\n", ret);
+ regulator_set_voltage_tol(arm_reg, volt_old, 0);
+ return ret;
+ }
+
+ /* scaling down? scale voltage after frequency */
+ if (freqs.new < freqs.old) {
+ ret = regulator_set_voltage_tol(arm_reg, volt, 0);
+ if (ret)
+ dev_warn(cpu_dev,
+ "failed to scale vddarm down: %d\n", ret);
+
+ if (freqs.old == FREQ_1P2_GHZ / 1000) {
+ regulator_set_voltage_tol(pu_reg,
+ PU_SOC_VOLTAGE_NORMAL, 0);
+ regulator_set_voltage_tol(soc_reg,
+ PU_SOC_VOLTAGE_NORMAL, 0);
+ }
+ }
+
+ for_each_online_cpu(cpu) {
+ freqs.cpu = cpu;
+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ }
+
+ return 0;
+}
+
+static int imx6q_cpufreq_init(struct cpufreq_policy *policy)
+{
+ int ret;
+
+ ret = cpufreq_frequency_table_cpuinfo(policy, freq_table);
+ if (ret) {
+ dev_err(cpu_dev, "invalid frequency table: %d\n", ret);
+ return ret;
+ }
+
+ policy->cpuinfo.transition_latency = transition_latency;
+ policy->cur = clk_get_rate(arm_clk) / 1000;
+ cpumask_setall(policy->cpus);
+ cpufreq_frequency_table_get_attr(freq_table, policy->cpu);
+
+ return 0;
+}
+
+static int imx6q_cpufreq_exit(struct cpufreq_policy *policy)
+{
+ cpufreq_frequency_table_put_attr(policy->cpu);
+ return 0;
+}
+
+static struct freq_attr *imx6q_cpufreq_attr[] = {
+ &cpufreq_freq_attr_scaling_available_freqs,
+ NULL,
+};
+
+static struct cpufreq_driver imx6q_cpufreq_driver = {
+ .verify = imx6q_verify_speed,
+ .target = imx6q_set_target,
+ .get = imx6q_get_speed,
+ .init = imx6q_cpufreq_init,
+ .exit = imx6q_cpufreq_exit,
+ .name = "imx6q-cpufreq",
+ .attr = imx6q_cpufreq_attr,
+};
+
+static int imx6q_cpufreq_probe(struct platform_device *pdev)
+{
+ struct device_node *np;
+ struct opp *opp;
+ unsigned long min_volt, max_volt;
+ int num, ret;
+
+ cpu_dev = &pdev->dev;
+
+ np = of_find_node_by_path("/cpus/cpu@0");
+ if (!np) {
+ dev_err(cpu_dev, "failed to find cpu0 node\n");
+ return -ENOENT;
+ }
+
+ cpu_dev->of_node = np;
+
+ arm_clk = devm_clk_get(cpu_dev, "arm");
+ pll1_sys_clk = devm_clk_get(cpu_dev, "pll1_sys");
+ pll1_sw_clk = devm_clk_get(cpu_dev, "pll1_sw");
+ step_clk = devm_clk_get(cpu_dev, "step");
+ pll2_pfd2_396m_clk = devm_clk_get(cpu_dev, "pll2_pfd2_396m");
+ if (IS_ERR(arm_clk) || IS_ERR(pll1_sys_clk) || IS_ERR(pll1_sw_clk) ||
+ IS_ERR(step_clk) || IS_ERR(pll2_pfd2_396m_clk)) {
+ dev_err(cpu_dev, "failed to get clocks\n");
+ ret = -ENOENT;
+ goto put_node;
+ }
+
+ arm_reg = devm_regulator_get(cpu_dev, "arm");
+ pu_reg = devm_regulator_get(cpu_dev, "pu");
+ soc_reg = devm_regulator_get(cpu_dev, "soc");
+ if (!arm_reg || !pu_reg || !soc_reg) {
+ dev_err(cpu_dev, "failed to get regulators\n");
+ ret = -ENOENT;
+ goto put_node;
+ }
+
+ /* We expect an OPP table supplied by platform */
+ num = opp_get_opp_count(cpu_dev);
+ if (num < 0) {
+ ret = num;
+ dev_err(cpu_dev, "no OPP table is found: %d\n", ret);
+ goto put_node;
+ }
+
+ ret = opp_init_cpufreq_table(cpu_dev, &freq_table);
+ if (ret) {
+ dev_err(cpu_dev, "failed to init cpufreq table: %d\n", ret);
+ goto put_node;
+ }
+
+ if (of_property_read_u32(np, "clock-latency", &transition_latency))
+ transition_latency = CPUFREQ_ETERNAL;
+
+ /*
+ * OPP is maintained in order of increasing frequency, and
+ * freq_table initialised from OPP is therefore sorted in the
+ * same order.
+ */
+ rcu_read_lock();
+ opp = opp_find_freq_exact(cpu_dev,
+ freq_table[0].frequency * 1000, true);
+ min_volt = opp_get_voltage(opp);
+ opp = opp_find_freq_exact(cpu_dev,
+ freq_table[--num].frequency * 1000, true);
+ max_volt = opp_get_voltage(opp);
+ rcu_read_unlock();
+ ret = regulator_set_voltage_time(arm_reg, min_volt, max_volt);
+ if (ret > 0)
+ transition_latency += ret * 1000;
+
+ /* Count vddpu and vddsoc latency in for 1.2 GHz support */
+ if (freq_table[num].frequency == FREQ_1P2_GHZ / 1000) {
+ ret = regulator_set_voltage_time(pu_reg, PU_SOC_VOLTAGE_NORMAL,
+ PU_SOC_VOLTAGE_HIGH);
+ if (ret > 0)
+ transition_latency += ret * 1000;
+ ret = regulator_set_voltage_time(soc_reg, PU_SOC_VOLTAGE_NORMAL,
+ PU_SOC_VOLTAGE_HIGH);
+ if (ret > 0)
+ transition_latency += ret * 1000;
+ }
+
+ ret = cpufreq_register_driver(&imx6q_cpufreq_driver);
+ if (ret) {
+ dev_err(cpu_dev, "failed register driver: %d\n", ret);
+ goto free_freq_table;
+ }
+
+ of_node_put(np);
+ return 0;
+
+free_freq_table:
+ opp_free_cpufreq_table(cpu_dev, &freq_table);
+put_node:
+ of_node_put(np);
+ return ret;
+}
+
+static int imx6q_cpufreq_remove(struct platform_device *pdev)
+{
+ cpufreq_unregister_driver(&imx6q_cpufreq_driver);
+ opp_free_cpufreq_table(cpu_dev, &freq_table);
+
+ return 0;
+}
+
+static struct platform_driver imx6q_cpufreq_platdrv = {
+ .driver = {
+ .name = "imx6q-cpufreq",
+ .owner = THIS_MODULE,
+ },
+ .probe = imx6q_cpufreq_probe,
+ .remove = imx6q_cpufreq_remove,
+};
+module_platform_driver(imx6q_cpufreq_platdrv);
+
+MODULE_AUTHOR("Shawn Guo <shawn.guo@linaro.org>");
+MODULE_DESCRIPTION("Freescale i.MX6Q cpufreq driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
new file mode 100644
index 00000000000..096fde0ebcb
--- /dev/null
+++ b/drivers/cpufreq/intel_pstate.c
@@ -0,0 +1,823 @@
+/*
+ * cpufreq_snb.c: Native P state management for Intel processors
+ *
+ * (C) Copyright 2012 Intel Corporation
+ * Author: Dirk Brandewie <dirk.j.brandewie@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+
+#include <linux/kernel.h>
+#include <linux/kernel_stat.h>
+#include <linux/module.h>
+#include <linux/ktime.h>
+#include <linux/hrtimer.h>
+#include <linux/tick.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
+#include <linux/list.h>
+#include <linux/cpu.h>
+#include <linux/cpufreq.h>
+#include <linux/sysfs.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/debugfs.h>
+#include <trace/events/power.h>
+
+#include <asm/div64.h>
+#include <asm/msr.h>
+#include <asm/cpu_device_id.h>
+
+#define SAMPLE_COUNT 3
+
+#define FRAC_BITS 8
+#define int_tofp(X) ((int64_t)(X) << FRAC_BITS)
+#define fp_toint(X) ((X) >> FRAC_BITS)
+
+static inline int32_t mul_fp(int32_t x, int32_t y)
+{
+ return ((int64_t)x * (int64_t)y) >> FRAC_BITS;
+}
+
+static inline int32_t div_fp(int32_t x, int32_t y)
+{
+ return div_s64((int64_t)x << FRAC_BITS, (int64_t)y);
+}
+
+struct sample {
+ ktime_t start_time;
+ ktime_t end_time;
+ int core_pct_busy;
+ int pstate_pct_busy;
+ u64 duration_us;
+ u64 idletime_us;
+ u64 aperf;
+ u64 mperf;
+ int freq;
+};
+
+struct pstate_data {
+ int current_pstate;
+ int min_pstate;
+ int max_pstate;
+ int turbo_pstate;
+};
+
+struct _pid {
+ int setpoint;
+ int32_t integral;
+ int32_t p_gain;
+ int32_t i_gain;
+ int32_t d_gain;
+ int deadband;
+ int last_err;
+};
+
+struct cpudata {
+ int cpu;
+
+ char name[64];
+
+ struct timer_list timer;
+
+ struct pstate_adjust_policy *pstate_policy;
+ struct pstate_data pstate;
+ struct _pid pid;
+ struct _pid idle_pid;
+
+ int min_pstate_count;
+ int idle_mode;
+
+ ktime_t prev_sample;
+ u64 prev_idle_time_us;
+ u64 prev_aperf;
+ u64 prev_mperf;
+ int sample_ptr;
+ struct sample samples[SAMPLE_COUNT];
+};
+
+static struct cpudata **all_cpu_data;
+struct pstate_adjust_policy {
+ int sample_rate_ms;
+ int deadband;
+ int setpoint;
+ int p_gain_pct;
+ int d_gain_pct;
+ int i_gain_pct;
+};
+
+static struct pstate_adjust_policy default_policy = {
+ .sample_rate_ms = 10,
+ .deadband = 0,
+ .setpoint = 109,
+ .p_gain_pct = 17,
+ .d_gain_pct = 0,
+ .i_gain_pct = 4,
+};
+
+struct perf_limits {
+ int no_turbo;
+ int max_perf_pct;
+ int min_perf_pct;
+ int32_t max_perf;
+ int32_t min_perf;
+};
+
+static struct perf_limits limits = {
+ .no_turbo = 0,
+ .max_perf_pct = 100,
+ .max_perf = int_tofp(1),
+ .min_perf_pct = 0,
+ .min_perf = 0,
+};
+
+static inline void pid_reset(struct _pid *pid, int setpoint, int busy,
+ int deadband, int integral) {
+ pid->setpoint = setpoint;
+ pid->deadband = deadband;
+ pid->integral = int_tofp(integral);
+ pid->last_err = setpoint - busy;
+}
+
+static inline void pid_p_gain_set(struct _pid *pid, int percent)
+{
+ pid->p_gain = div_fp(int_tofp(percent), int_tofp(100));
+}
+
+static inline void pid_i_gain_set(struct _pid *pid, int percent)
+{
+ pid->i_gain = div_fp(int_tofp(percent), int_tofp(100));
+}
+
+static inline void pid_d_gain_set(struct _pid *pid, int percent)
+{
+
+ pid->d_gain = div_fp(int_tofp(percent), int_tofp(100));
+}
+
+static signed int pid_calc(struct _pid *pid, int busy)
+{
+ signed int err, result;
+ int32_t pterm, dterm, fp_error;
+ int32_t integral_limit;
+
+ err = pid->setpoint - busy;
+ fp_error = int_tofp(err);
+
+ if (abs(err) <= pid->deadband)
+ return 0;
+
+ pterm = mul_fp(pid->p_gain, fp_error);
+
+ pid->integral += fp_error;
+
+ /* limit the integral term */
+ integral_limit = int_tofp(30);
+ if (pid->integral > integral_limit)
+ pid->integral = integral_limit;
+ if (pid->integral < -integral_limit)
+ pid->integral = -integral_limit;
+
+ dterm = mul_fp(pid->d_gain, (err - pid->last_err));
+ pid->last_err = err;
+
+ result = pterm + mul_fp(pid->integral, pid->i_gain) + dterm;
+
+ return (signed int)fp_toint(result);
+}
+
+static inline void intel_pstate_busy_pid_reset(struct cpudata *cpu)
+{
+ pid_p_gain_set(&cpu->pid, cpu->pstate_policy->p_gain_pct);
+ pid_d_gain_set(&cpu->pid, cpu->pstate_policy->d_gain_pct);
+ pid_i_gain_set(&cpu->pid, cpu->pstate_policy->i_gain_pct);
+
+ pid_reset(&cpu->pid,
+ cpu->pstate_policy->setpoint,
+ 100,
+ cpu->pstate_policy->deadband,
+ 0);
+}
+
+static inline void intel_pstate_idle_pid_reset(struct cpudata *cpu)
+{
+ pid_p_gain_set(&cpu->idle_pid, cpu->pstate_policy->p_gain_pct);
+ pid_d_gain_set(&cpu->idle_pid, cpu->pstate_policy->d_gain_pct);
+ pid_i_gain_set(&cpu->idle_pid, cpu->pstate_policy->i_gain_pct);
+
+ pid_reset(&cpu->idle_pid,
+ 75,
+ 50,
+ cpu->pstate_policy->deadband,
+ 0);
+}
+
+static inline void intel_pstate_reset_all_pid(void)
+{
+ unsigned int cpu;
+ for_each_online_cpu(cpu) {
+ if (all_cpu_data[cpu])
+ intel_pstate_busy_pid_reset(all_cpu_data[cpu]);
+ }
+}
+
+/************************** debugfs begin ************************/
+static int pid_param_set(void *data, u64 val)
+{
+ *(u32 *)data = val;
+ intel_pstate_reset_all_pid();
+ return 0;
+}
+static int pid_param_get(void *data, u64 *val)
+{
+ *val = *(u32 *)data;
+ return 0;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_pid_param, pid_param_get,
+ pid_param_set, "%llu\n");
+
+struct pid_param {
+ char *name;
+ void *value;
+};
+
+static struct pid_param pid_files[] = {
+ {"sample_rate_ms", &default_policy.sample_rate_ms},
+ {"d_gain_pct", &default_policy.d_gain_pct},
+ {"i_gain_pct", &default_policy.i_gain_pct},
+ {"deadband", &default_policy.deadband},
+ {"setpoint", &default_policy.setpoint},
+ {"p_gain_pct", &default_policy.p_gain_pct},
+ {NULL, NULL}
+};
+
+static struct dentry *debugfs_parent;
+static void intel_pstate_debug_expose_params(void)
+{
+ int i = 0;
+
+ debugfs_parent = debugfs_create_dir("pstate_snb", NULL);
+ if (IS_ERR_OR_NULL(debugfs_parent))
+ return;
+ while (pid_files[i].name) {
+ debugfs_create_file(pid_files[i].name, 0660,
+ debugfs_parent, pid_files[i].value,
+ &fops_pid_param);
+ i++;
+ }
+}
+
+/************************** debugfs end ************************/
+
+/************************** sysfs begin ************************/
+#define show_one(file_name, object) \
+ static ssize_t show_##file_name \
+ (struct kobject *kobj, struct attribute *attr, char *buf) \
+ { \
+ return sprintf(buf, "%u\n", limits.object); \
+ }
+
+static ssize_t store_no_turbo(struct kobject *a, struct attribute *b,
+ const char *buf, size_t count)
+{
+ unsigned int input;
+ int ret;
+ ret = sscanf(buf, "%u", &input);
+ if (ret != 1)
+ return -EINVAL;
+ limits.no_turbo = clamp_t(int, input, 0 , 1);
+
+ return count;
+}
+
+static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b,
+ const char *buf, size_t count)
+{
+ unsigned int input;
+ int ret;
+ ret = sscanf(buf, "%u", &input);
+ if (ret != 1)
+ return -EINVAL;
+
+ limits.max_perf_pct = clamp_t(int, input, 0 , 100);
+ limits.max_perf = div_fp(int_tofp(limits.max_perf_pct), int_tofp(100));
+ return count;
+}
+
+static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b,
+ const char *buf, size_t count)
+{
+ unsigned int input;
+ int ret;
+ ret = sscanf(buf, "%u", &input);
+ if (ret != 1)
+ return -EINVAL;
+ limits.min_perf_pct = clamp_t(int, input, 0 , 100);
+ limits.min_perf = div_fp(int_tofp(limits.min_perf_pct), int_tofp(100));
+
+ return count;
+}
+
+show_one(no_turbo, no_turbo);
+show_one(max_perf_pct, max_perf_pct);
+show_one(min_perf_pct, min_perf_pct);
+
+define_one_global_rw(no_turbo);
+define_one_global_rw(max_perf_pct);
+define_one_global_rw(min_perf_pct);
+
+static struct attribute *intel_pstate_attributes[] = {
+ &no_turbo.attr,
+ &max_perf_pct.attr,
+ &min_perf_pct.attr,
+ NULL
+};
+
+static struct attribute_group intel_pstate_attr_group = {
+ .attrs = intel_pstate_attributes,
+};
+static struct kobject *intel_pstate_kobject;
+
+static void intel_pstate_sysfs_expose_params(void)
+{
+ int rc;
+
+ intel_pstate_kobject = kobject_create_and_add("intel_pstate",
+ &cpu_subsys.dev_root->kobj);
+ BUG_ON(!intel_pstate_kobject);
+ rc = sysfs_create_group(intel_pstate_kobject,
+ &intel_pstate_attr_group);
+ BUG_ON(rc);
+}
+
+/************************** sysfs end ************************/
+
+static int intel_pstate_min_pstate(void)
+{
+ u64 value;
+ rdmsrl(0xCE, value);
+ return (value >> 40) & 0xFF;
+}
+
+static int intel_pstate_max_pstate(void)
+{
+ u64 value;
+ rdmsrl(0xCE, value);
+ return (value >> 8) & 0xFF;
+}
+
+static int intel_pstate_turbo_pstate(void)
+{
+ u64 value;
+ int nont, ret;
+ rdmsrl(0x1AD, value);
+ nont = intel_pstate_max_pstate();
+ ret = ((value) & 255);
+ if (ret <= nont)
+ ret = nont;
+ return ret;
+}
+
+static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max)
+{
+ int max_perf = cpu->pstate.turbo_pstate;
+ int min_perf;
+ if (limits.no_turbo)
+ max_perf = cpu->pstate.max_pstate;
+
+ max_perf = fp_toint(mul_fp(int_tofp(max_perf), limits.max_perf));
+ *max = clamp_t(int, max_perf,
+ cpu->pstate.min_pstate, cpu->pstate.turbo_pstate);
+
+ min_perf = fp_toint(mul_fp(int_tofp(max_perf), limits.min_perf));
+ *min = clamp_t(int, min_perf,
+ cpu->pstate.min_pstate, max_perf);
+}
+
+static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate)
+{
+ int max_perf, min_perf;
+
+ intel_pstate_get_min_max(cpu, &min_perf, &max_perf);
+
+ pstate = clamp_t(int, pstate, min_perf, max_perf);
+
+ if (pstate == cpu->pstate.current_pstate)
+ return;
+
+#ifndef MODULE
+ trace_cpu_frequency(pstate * 100000, cpu->cpu);
+#endif
+ cpu->pstate.current_pstate = pstate;
+ wrmsrl(MSR_IA32_PERF_CTL, pstate << 8);
+
+}
+
+static inline void intel_pstate_pstate_increase(struct cpudata *cpu, int steps)
+{
+ int target;
+ target = cpu->pstate.current_pstate + steps;
+
+ intel_pstate_set_pstate(cpu, target);
+}
+
+static inline void intel_pstate_pstate_decrease(struct cpudata *cpu, int steps)
+{
+ int target;
+ target = cpu->pstate.current_pstate - steps;
+ intel_pstate_set_pstate(cpu, target);
+}
+
+static void intel_pstate_get_cpu_pstates(struct cpudata *cpu)
+{
+ sprintf(cpu->name, "Intel 2nd generation core");
+
+ cpu->pstate.min_pstate = intel_pstate_min_pstate();
+ cpu->pstate.max_pstate = intel_pstate_max_pstate();
+ cpu->pstate.turbo_pstate = intel_pstate_turbo_pstate();
+
+ /*
+ * goto max pstate so we don't slow up boot if we are built-in if we are
+ * a module we will take care of it during normal operation
+ */
+ intel_pstate_set_pstate(cpu, cpu->pstate.max_pstate);
+}
+
+static inline void intel_pstate_calc_busy(struct cpudata *cpu,
+ struct sample *sample)
+{
+ u64 core_pct;
+ sample->pstate_pct_busy = 100 - div64_u64(
+ sample->idletime_us * 100,
+ sample->duration_us);
+ core_pct = div64_u64(sample->aperf * 100, sample->mperf);
+ sample->freq = cpu->pstate.turbo_pstate * core_pct * 1000;
+
+ sample->core_pct_busy = div_s64((sample->pstate_pct_busy * core_pct),
+ 100);
+}
+
+static inline void intel_pstate_sample(struct cpudata *cpu)
+{
+ ktime_t now;
+ u64 idle_time_us;
+ u64 aperf, mperf;
+
+ now = ktime_get();
+ idle_time_us = get_cpu_idle_time_us(cpu->cpu, NULL);
+
+ rdmsrl(MSR_IA32_APERF, aperf);
+ rdmsrl(MSR_IA32_MPERF, mperf);
+ /* for the first sample, don't actually record a sample, just
+ * set the baseline */
+ if (cpu->prev_idle_time_us > 0) {
+ cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT;
+ cpu->samples[cpu->sample_ptr].start_time = cpu->prev_sample;
+ cpu->samples[cpu->sample_ptr].end_time = now;
+ cpu->samples[cpu->sample_ptr].duration_us =
+ ktime_us_delta(now, cpu->prev_sample);
+ cpu->samples[cpu->sample_ptr].idletime_us =
+ idle_time_us - cpu->prev_idle_time_us;
+
+ cpu->samples[cpu->sample_ptr].aperf = aperf;
+ cpu->samples[cpu->sample_ptr].mperf = mperf;
+ cpu->samples[cpu->sample_ptr].aperf -= cpu->prev_aperf;
+ cpu->samples[cpu->sample_ptr].mperf -= cpu->prev_mperf;
+
+ intel_pstate_calc_busy(cpu, &cpu->samples[cpu->sample_ptr]);
+ }
+
+ cpu->prev_sample = now;
+ cpu->prev_idle_time_us = idle_time_us;
+ cpu->prev_aperf = aperf;
+ cpu->prev_mperf = mperf;
+}
+
+static inline void intel_pstate_set_sample_time(struct cpudata *cpu)
+{
+ int sample_time, delay;
+
+ sample_time = cpu->pstate_policy->sample_rate_ms;
+ delay = msecs_to_jiffies(sample_time);
+ delay -= jiffies % delay;
+ mod_timer_pinned(&cpu->timer, jiffies + delay);
+}
+
+static inline void intel_pstate_idle_mode(struct cpudata *cpu)
+{
+ cpu->idle_mode = 1;
+}
+
+static inline void intel_pstate_normal_mode(struct cpudata *cpu)
+{
+ cpu->idle_mode = 0;
+}
+
+static inline int intel_pstate_get_scaled_busy(struct cpudata *cpu)
+{
+ int32_t busy_scaled;
+ int32_t core_busy, turbo_pstate, current_pstate;
+
+ core_busy = int_tofp(cpu->samples[cpu->sample_ptr].core_pct_busy);
+ turbo_pstate = int_tofp(cpu->pstate.turbo_pstate);
+ current_pstate = int_tofp(cpu->pstate.current_pstate);
+ busy_scaled = mul_fp(core_busy, div_fp(turbo_pstate, current_pstate));
+
+ return fp_toint(busy_scaled);
+}
+
+static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu)
+{
+ int busy_scaled;
+ struct _pid *pid;
+ signed int ctl = 0;
+ int steps;
+
+ pid = &cpu->pid;
+ busy_scaled = intel_pstate_get_scaled_busy(cpu);
+
+ ctl = pid_calc(pid, busy_scaled);
+
+ steps = abs(ctl);
+ if (ctl < 0)
+ intel_pstate_pstate_increase(cpu, steps);
+ else
+ intel_pstate_pstate_decrease(cpu, steps);
+}
+
+static inline void intel_pstate_adjust_idle_pstate(struct cpudata *cpu)
+{
+ int busy_scaled;
+ struct _pid *pid;
+ int ctl = 0;
+ int steps;
+
+ pid = &cpu->idle_pid;
+
+ busy_scaled = intel_pstate_get_scaled_busy(cpu);
+
+ ctl = pid_calc(pid, 100 - busy_scaled);
+
+ steps = abs(ctl);
+ if (ctl < 0)
+ intel_pstate_pstate_decrease(cpu, steps);
+ else
+ intel_pstate_pstate_increase(cpu, steps);
+
+ if (cpu->pstate.current_pstate == cpu->pstate.min_pstate)
+ intel_pstate_normal_mode(cpu);
+}
+
+static void intel_pstate_timer_func(unsigned long __data)
+{
+ struct cpudata *cpu = (struct cpudata *) __data;
+
+ intel_pstate_sample(cpu);
+
+ if (!cpu->idle_mode)
+ intel_pstate_adjust_busy_pstate(cpu);
+ else
+ intel_pstate_adjust_idle_pstate(cpu);
+
+#if defined(XPERF_FIX)
+ if (cpu->pstate.current_pstate == cpu->pstate.min_pstate) {
+ cpu->min_pstate_count++;
+ if (!(cpu->min_pstate_count % 5)) {
+ intel_pstate_set_pstate(cpu, cpu->pstate.max_pstate);
+ intel_pstate_idle_mode(cpu);
+ }
+ } else
+ cpu->min_pstate_count = 0;
+#endif
+ intel_pstate_set_sample_time(cpu);
+}
+
+#define ICPU(model, policy) \
+ { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)&policy }
+
+static const struct x86_cpu_id intel_pstate_cpu_ids[] = {
+ ICPU(0x2a, default_policy),
+ ICPU(0x2d, default_policy),
+ {}
+};
+MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids);
+
+static int intel_pstate_init_cpu(unsigned int cpunum)
+{
+
+ const struct x86_cpu_id *id;
+ struct cpudata *cpu;
+
+ id = x86_match_cpu(intel_pstate_cpu_ids);
+ if (!id)
+ return -ENODEV;
+
+ all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata), GFP_KERNEL);
+ if (!all_cpu_data[cpunum])
+ return -ENOMEM;
+
+ cpu = all_cpu_data[cpunum];
+
+ intel_pstate_get_cpu_pstates(cpu);
+
+ cpu->cpu = cpunum;
+ cpu->pstate_policy =
+ (struct pstate_adjust_policy *)id->driver_data;
+ init_timer_deferrable(&cpu->timer);
+ cpu->timer.function = intel_pstate_timer_func;
+ cpu->timer.data =
+ (unsigned long)cpu;
+ cpu->timer.expires = jiffies + HZ/100;
+ intel_pstate_busy_pid_reset(cpu);
+ intel_pstate_idle_pid_reset(cpu);
+ intel_pstate_sample(cpu);
+ intel_pstate_set_pstate(cpu, cpu->pstate.max_pstate);
+
+ add_timer_on(&cpu->timer, cpunum);
+
+ pr_info("Intel pstate controlling: cpu %d\n", cpunum);
+
+ return 0;
+}
+
+static unsigned int intel_pstate_get(unsigned int cpu_num)
+{
+ struct sample *sample;
+ struct cpudata *cpu;
+
+ cpu = all_cpu_data[cpu_num];
+ if (!cpu)
+ return 0;
+ sample = &cpu->samples[cpu->sample_ptr];
+ return sample->freq;
+}
+
+static int intel_pstate_set_policy(struct cpufreq_policy *policy)
+{
+ struct cpudata *cpu;
+ int min, max;
+
+ cpu = all_cpu_data[policy->cpu];
+
+ intel_pstate_get_min_max(cpu, &min, &max);
+
+ limits.min_perf_pct = (policy->min * 100) / policy->cpuinfo.max_freq;
+ limits.min_perf_pct = clamp_t(int, limits.min_perf_pct, 0 , 100);
+ limits.min_perf = div_fp(int_tofp(limits.min_perf_pct), int_tofp(100));
+
+ limits.max_perf_pct = policy->max * 100 / policy->cpuinfo.max_freq;
+ limits.max_perf_pct = clamp_t(int, limits.max_perf_pct, 0 , 100);
+ limits.max_perf = div_fp(int_tofp(limits.max_perf_pct), int_tofp(100));
+
+ if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
+ limits.min_perf_pct = 100;
+ limits.min_perf = int_tofp(1);
+ limits.max_perf_pct = 100;
+ limits.max_perf = int_tofp(1);
+ limits.no_turbo = 0;
+ }
+
+ return 0;
+}
+
+static int intel_pstate_verify_policy(struct cpufreq_policy *policy)
+{
+ cpufreq_verify_within_limits(policy,
+ policy->cpuinfo.min_freq,
+ policy->cpuinfo.max_freq);
+
+ if ((policy->policy != CPUFREQ_POLICY_POWERSAVE) &&
+ (policy->policy != CPUFREQ_POLICY_PERFORMANCE))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int __cpuinit intel_pstate_cpu_exit(struct cpufreq_policy *policy)
+{
+ int cpu = policy->cpu;
+
+ del_timer(&all_cpu_data[cpu]->timer);
+ kfree(all_cpu_data[cpu]);
+ all_cpu_data[cpu] = NULL;
+ return 0;
+}
+
+static int __cpuinit intel_pstate_cpu_init(struct cpufreq_policy *policy)
+{
+ int rc, min_pstate, max_pstate;
+ struct cpudata *cpu;
+
+ rc = intel_pstate_init_cpu(policy->cpu);
+ if (rc)
+ return rc;
+
+ cpu = all_cpu_data[policy->cpu];
+
+ if (!limits.no_turbo &&
+ limits.min_perf_pct == 100 && limits.max_perf_pct == 100)
+ policy->policy = CPUFREQ_POLICY_PERFORMANCE;
+ else
+ policy->policy = CPUFREQ_POLICY_POWERSAVE;
+
+ intel_pstate_get_min_max(cpu, &min_pstate, &max_pstate);
+ policy->min = min_pstate * 100000;
+ policy->max = max_pstate * 100000;
+
+ /* cpuinfo and default policy values */
+ policy->cpuinfo.min_freq = cpu->pstate.min_pstate * 100000;
+ policy->cpuinfo.max_freq = cpu->pstate.turbo_pstate * 100000;
+ policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+ cpumask_set_cpu(policy->cpu, policy->cpus);
+
+ return 0;
+}
+
+static struct cpufreq_driver intel_pstate_driver = {
+ .flags = CPUFREQ_CONST_LOOPS,
+ .verify = intel_pstate_verify_policy,
+ .setpolicy = intel_pstate_set_policy,
+ .get = intel_pstate_get,
+ .init = intel_pstate_cpu_init,
+ .exit = intel_pstate_cpu_exit,
+ .name = "intel_pstate",
+ .owner = THIS_MODULE,
+};
+
+static void intel_pstate_exit(void)
+{
+ int cpu;
+
+ sysfs_remove_group(intel_pstate_kobject,
+ &intel_pstate_attr_group);
+ debugfs_remove_recursive(debugfs_parent);
+
+ cpufreq_unregister_driver(&intel_pstate_driver);
+
+ if (!all_cpu_data)
+ return;
+
+ get_online_cpus();
+ for_each_online_cpu(cpu) {
+ if (all_cpu_data[cpu]) {
+ del_timer_sync(&all_cpu_data[cpu]->timer);
+ kfree(all_cpu_data[cpu]);
+ }
+ }
+
+ put_online_cpus();
+ vfree(all_cpu_data);
+}
+module_exit(intel_pstate_exit);
+
+static int __initdata no_load;
+
+static int __init intel_pstate_init(void)
+{
+ int rc = 0;
+ const struct x86_cpu_id *id;
+
+ if (no_load)
+ return -ENODEV;
+
+ id = x86_match_cpu(intel_pstate_cpu_ids);
+ if (!id)
+ return -ENODEV;
+
+ pr_info("Intel P-state driver initializing.\n");
+
+ all_cpu_data = vmalloc(sizeof(void *) * num_possible_cpus());
+ if (!all_cpu_data)
+ return -ENOMEM;
+ memset(all_cpu_data, 0, sizeof(void *) * num_possible_cpus());
+
+ rc = cpufreq_register_driver(&intel_pstate_driver);
+ if (rc)
+ goto out;
+
+ intel_pstate_debug_expose_params();
+ intel_pstate_sysfs_expose_params();
+ return rc;
+out:
+ intel_pstate_exit();
+ return -ENODEV;
+}
+device_initcall(intel_pstate_init);
+
+static int __init intel_pstate_setup(char *str)
+{
+ if (!str)
+ return -EINVAL;
+
+ if (!strcmp(str, "disable"))
+ no_load = 1;
+ return 0;
+}
+early_param("intel_pstate", intel_pstate_setup);
+
+MODULE_AUTHOR("Dirk Brandewie <dirk.j.brandewie@intel.com>");
+MODULE_DESCRIPTION("'intel_pstate' - P state driver Intel Core processors");
+MODULE_LICENSE("GPL");
diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c
new file mode 100644
index 00000000000..0e83e3c24f5
--- /dev/null
+++ b/drivers/cpufreq/kirkwood-cpufreq.c
@@ -0,0 +1,259 @@
+/*
+ * kirkwood_freq.c: cpufreq driver for the Marvell kirkwood
+ *
+ * Copyright (C) 2013 Andrew Lunn <andrew@lunn.ch>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/cpufreq.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <asm/proc-fns.h>
+
+#define CPU_SW_INT_BLK BIT(28)
+
+static struct priv
+{
+ struct clk *cpu_clk;
+ struct clk *ddr_clk;
+ struct clk *powersave_clk;
+ struct device *dev;
+ void __iomem *base;
+} priv;
+
+#define STATE_CPU_FREQ 0x01
+#define STATE_DDR_FREQ 0x02
+
+/*
+ * Kirkwood can swap the clock to the CPU between two clocks:
+ *
+ * - cpu clk
+ * - ddr clk
+ *
+ * The frequencies are set at runtime before registering this *
+ * table.
+ */
+static struct cpufreq_frequency_table kirkwood_freq_table[] = {
+ {STATE_CPU_FREQ, 0}, /* CPU uses cpuclk */
+ {STATE_DDR_FREQ, 0}, /* CPU uses ddrclk */
+ {0, CPUFREQ_TABLE_END},
+};
+
+static unsigned int kirkwood_cpufreq_get_cpu_frequency(unsigned int cpu)
+{
+ if (__clk_is_enabled(priv.powersave_clk))
+ return kirkwood_freq_table[1].frequency;
+ return kirkwood_freq_table[0].frequency;
+}
+
+static void kirkwood_cpufreq_set_cpu_state(unsigned int index)
+{
+ struct cpufreq_freqs freqs;
+ unsigned int state = kirkwood_freq_table[index].index;
+ unsigned long reg;
+
+ freqs.old = kirkwood_cpufreq_get_cpu_frequency(0);
+ freqs.new = kirkwood_freq_table[index].frequency;
+ freqs.cpu = 0; /* Kirkwood is UP */
+
+ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+
+ dev_dbg(priv.dev, "Attempting to set frequency to %i KHz\n",
+ kirkwood_freq_table[index].frequency);
+ dev_dbg(priv.dev, "old frequency was %i KHz\n",
+ kirkwood_cpufreq_get_cpu_frequency(0));
+
+ if (freqs.old != freqs.new) {
+ local_irq_disable();
+
+ /* Disable interrupts to the CPU */
+ reg = readl_relaxed(priv.base);
+ reg |= CPU_SW_INT_BLK;
+ writel_relaxed(reg, priv.base);
+
+ switch (state) {
+ case STATE_CPU_FREQ:
+ clk_disable(priv.powersave_clk);
+ break;
+ case STATE_DDR_FREQ:
+ clk_enable(priv.powersave_clk);
+ break;
+ }
+
+ /* Wait-for-Interrupt, while the hardware changes frequency */
+ cpu_do_idle();
+
+ /* Enable interrupts to the CPU */
+ reg = readl_relaxed(priv.base);
+ reg &= ~CPU_SW_INT_BLK;
+ writel_relaxed(reg, priv.base);
+
+ local_irq_enable();
+ }
+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+};
+
+static int kirkwood_cpufreq_verify(struct cpufreq_policy *policy)
+{
+ return cpufreq_frequency_table_verify(policy, kirkwood_freq_table);
+}
+
+static int kirkwood_cpufreq_target(struct cpufreq_policy *policy,
+ unsigned int target_freq,
+ unsigned int relation)
+{
+ unsigned int index = 0;
+
+ if (cpufreq_frequency_table_target(policy, kirkwood_freq_table,
+ target_freq, relation, &index))
+ return -EINVAL;
+
+ kirkwood_cpufreq_set_cpu_state(index);
+
+ return 0;
+}
+
+/* Module init and exit code */
+static int kirkwood_cpufreq_cpu_init(struct cpufreq_policy *policy)
+{
+ int result;
+
+ /* cpuinfo and default policy values */
+ policy->cpuinfo.transition_latency = 5000; /* 5uS */
+ policy->cur = kirkwood_cpufreq_get_cpu_frequency(0);
+
+ result = cpufreq_frequency_table_cpuinfo(policy, kirkwood_freq_table);
+ if (result)
+ return result;
+
+ cpufreq_frequency_table_get_attr(kirkwood_freq_table, policy->cpu);
+
+ return 0;
+}
+
+static int kirkwood_cpufreq_cpu_exit(struct cpufreq_policy *policy)
+{
+ cpufreq_frequency_table_put_attr(policy->cpu);
+ return 0;
+}
+
+static struct freq_attr *kirkwood_cpufreq_attr[] = {
+ &cpufreq_freq_attr_scaling_available_freqs,
+ NULL,
+};
+
+static struct cpufreq_driver kirkwood_cpufreq_driver = {
+ .get = kirkwood_cpufreq_get_cpu_frequency,
+ .verify = kirkwood_cpufreq_verify,
+ .target = kirkwood_cpufreq_target,
+ .init = kirkwood_cpufreq_cpu_init,
+ .exit = kirkwood_cpufreq_cpu_exit,
+ .name = "kirkwood-cpufreq",
+ .owner = THIS_MODULE,
+ .attr = kirkwood_cpufreq_attr,
+};
+
+static int kirkwood_cpufreq_probe(struct platform_device *pdev)
+{
+ struct device_node *np;
+ struct resource *res;
+ int err;
+
+ priv.dev = &pdev->dev;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "Cannot get memory resource\n");
+ return -ENODEV;
+ }
+ priv.base = devm_request_and_ioremap(&pdev->dev, res);
+ if (!priv.base) {
+ dev_err(&pdev->dev, "Cannot ioremap\n");
+ return -EADDRNOTAVAIL;
+ }
+
+ np = of_find_node_by_path("/cpus/cpu@0");
+ if (!np)
+ return -ENODEV;
+
+ priv.cpu_clk = of_clk_get_by_name(np, "cpu_clk");
+ if (IS_ERR(priv.cpu_clk)) {
+ dev_err(priv.dev, "Unable to get cpuclk");
+ return PTR_ERR(priv.cpu_clk);
+ }
+
+ clk_prepare_enable(priv.cpu_clk);
+ kirkwood_freq_table[0].frequency = clk_get_rate(priv.cpu_clk) / 1000;
+
+ priv.ddr_clk = of_clk_get_by_name(np, "ddrclk");
+ if (IS_ERR(priv.ddr_clk)) {
+ dev_err(priv.dev, "Unable to get ddrclk");
+ err = PTR_ERR(priv.ddr_clk);
+ goto out_cpu;
+ }
+
+ clk_prepare_enable(priv.ddr_clk);
+ kirkwood_freq_table[1].frequency = clk_get_rate(priv.ddr_clk) / 1000;
+
+ priv.powersave_clk = of_clk_get_by_name(np, "powersave");
+ if (IS_ERR(priv.powersave_clk)) {
+ dev_err(priv.dev, "Unable to get powersave");
+ err = PTR_ERR(priv.powersave_clk);
+ goto out_ddr;
+ }
+ clk_prepare(priv.powersave_clk);
+
+ of_node_put(np);
+ np = NULL;
+
+ err = cpufreq_register_driver(&kirkwood_cpufreq_driver);
+ if (!err)
+ return 0;
+
+ dev_err(priv.dev, "Failed to register cpufreq driver");
+
+ clk_disable_unprepare(priv.powersave_clk);
+out_ddr:
+ clk_disable_unprepare(priv.ddr_clk);
+out_cpu:
+ clk_disable_unprepare(priv.cpu_clk);
+ of_node_put(np);
+
+ return err;
+}
+
+static int kirkwood_cpufreq_remove(struct platform_device *pdev)
+{
+ cpufreq_unregister_driver(&kirkwood_cpufreq_driver);
+
+ clk_disable_unprepare(priv.powersave_clk);
+ clk_disable_unprepare(priv.ddr_clk);
+ clk_disable_unprepare(priv.cpu_clk);
+
+ return 0;
+}
+
+static struct platform_driver kirkwood_cpufreq_platform_driver = {
+ .probe = kirkwood_cpufreq_probe,
+ .remove = kirkwood_cpufreq_remove,
+ .driver = {
+ .name = "kirkwood-cpufreq",
+ .owner = THIS_MODULE,
+ },
+};
+
+module_platform_driver(kirkwood_cpufreq_platform_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Andrew Lunn <andrew@lunn.ch");
+MODULE_DESCRIPTION("cpufreq driver for Marvell's kirkwood CPU");
+MODULE_ALIAS("platform:kirkwood-cpufreq");
diff --git a/drivers/cpufreq/maple-cpufreq.c b/drivers/cpufreq/maple-cpufreq.c
index 89b178a3f84..d4c4989823d 100644
--- a/drivers/cpufreq/maple-cpufreq.c
+++ b/drivers/cpufreq/maple-cpufreq.c
@@ -181,7 +181,7 @@ static int maple_cpufreq_cpu_init(struct cpufreq_policy *policy)
/* secondary CPUs are tied to the primary one by the
* cpufreq core if in the secondary policy we tell it that
* it actually must be one policy together with all others. */
- cpumask_copy(policy->cpus, cpu_online_mask);
+ cpumask_setall(policy->cpus);
cpufreq_frequency_table_get_attr(maple_cpu_freqs, policy->cpu);
return cpufreq_frequency_table_cpuinfo(policy,
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index 97102b05843..9128c07bafb 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -214,10 +214,8 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
* interface to handle this scenario. Additional is_smp() check
* is to keep SMP_ON_UP build working.
*/
- if (is_smp()) {
- policy->shared_type = CPUFREQ_SHARED_TYPE_ANY;
+ if (is_smp())
cpumask_setall(policy->cpus);
- }
/* FIXME: what's the actual transition time? */
policy->cpuinfo.transition_latency = 300 * 1000;
diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c
index 056faf6af1a..d13a13678b5 100644
--- a/drivers/cpufreq/powernow-k8.c
+++ b/drivers/cpufreq/powernow-k8.c
@@ -1249,39 +1249,59 @@ static struct cpufreq_driver cpufreq_amd64_driver = {
.attr = powernow_k8_attr,
};
+static void __request_acpi_cpufreq(void)
+{
+ const char *cur_drv, *drv = "acpi-cpufreq";
+
+ cur_drv = cpufreq_get_current_driver();
+ if (!cur_drv)
+ goto request;
+
+ if (strncmp(cur_drv, drv, min_t(size_t, strlen(cur_drv), strlen(drv))))
+ pr_warn(PFX "WTF driver: %s\n", cur_drv);
+
+ return;
+
+ request:
+ pr_warn(PFX "This CPU is not supported anymore, using acpi-cpufreq instead.\n");
+ request_module(drv);
+}
+
/* driver entry point for init */
static int __cpuinit powernowk8_init(void)
{
unsigned int i, supported_cpus = 0;
- int rv;
+ int ret;
if (static_cpu_has(X86_FEATURE_HW_PSTATE)) {
- pr_warn(PFX "this CPU is not supported anymore, using acpi-cpufreq instead.\n");
- request_module("acpi-cpufreq");
+ __request_acpi_cpufreq();
return -ENODEV;
}
if (!x86_match_cpu(powernow_k8_ids))
return -ENODEV;
+ get_online_cpus();
for_each_online_cpu(i) {
- int rc;
- smp_call_function_single(i, check_supported_cpu, &rc, 1);
- if (rc == 0)
+ smp_call_function_single(i, check_supported_cpu, &ret, 1);
+ if (!ret)
supported_cpus++;
}
- if (supported_cpus != num_online_cpus())
+ if (supported_cpus != num_online_cpus()) {
+ put_online_cpus();
return -ENODEV;
+ }
+ put_online_cpus();
- rv = cpufreq_register_driver(&cpufreq_amd64_driver);
+ ret = cpufreq_register_driver(&cpufreq_amd64_driver);
+ if (ret)
+ return ret;
- if (!rv)
- pr_info(PFX "Found %d %s (%d cpu cores) (" VERSION ")\n",
- num_online_nodes(), boot_cpu_data.x86_model_id,
- supported_cpus);
+ pr_info(PFX "Found %d %s (%d cpu cores) (" VERSION ")\n",
+ num_online_nodes(), boot_cpu_data.x86_model_id, supported_cpus);
- return rv;
+ return ret;
}
/* driver entry point for term */
diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c
index 4575cfe4175..7e4d7732795 100644
--- a/drivers/cpufreq/spear-cpufreq.c
+++ b/drivers/cpufreq/spear-cpufreq.c
@@ -30,7 +30,7 @@ static struct {
u32 cnt;
} spear_cpufreq;
-int spear_cpufreq_verify(struct cpufreq_policy *policy)
+static int spear_cpufreq_verify(struct cpufreq_policy *policy)
{
return cpufreq_frequency_table_verify(policy, spear_cpufreq.freq_tbl);
}
@@ -157,7 +157,9 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy,
freqs.new = newfreq / 1000;
freqs.new /= mult;
- cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+
+ for_each_cpu(freqs.cpu, policy->cpus)
+ cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
if (mult == 2)
ret = spear1340_set_cpu_rate(srcclk, newfreq);
@@ -170,7 +172,8 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy,
freqs.new = clk_get_rate(spear_cpufreq.clk) / 1000;
}
- cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+ for_each_cpu(freqs.cpu, policy->cpus)
+ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
return ret;
}
@@ -188,8 +191,7 @@ static int spear_cpufreq_init(struct cpufreq_policy *policy)
policy->cpuinfo.transition_latency = spear_cpufreq.transition_latency;
policy->cur = spear_cpufreq_get(0);
- cpumask_copy(policy->cpus, topology_core_cpumask(policy->cpu));
- cpumask_copy(policy->related_cpus, policy->cpus);
+ cpumask_setall(policy->cpus);
return 0;
}
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index e1f6860e069..eba69290e07 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -144,7 +144,6 @@ int cpuidle_idle_call(void)
return 0;
}
- trace_power_start_rcuidle(POWER_CSTATE, next_state, dev->cpu);
trace_cpu_idle_rcuidle(next_state, dev->cpu);
if (cpuidle_state_is_coupled(dev, drv, next_state))
@@ -153,7 +152,6 @@ int cpuidle_idle_call(void)
else
entered_state = cpuidle_enter_state(dev, drv, next_state);
- trace_power_end_rcuidle(dev->cpu);
trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, dev->cpu);
/* give the governor an opportunity to reflect on the outcome */
diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c
index 1672e2a5db4..6351aba8819 100644
--- a/drivers/hwmon/acpi_power_meter.c
+++ b/drivers/hwmon/acpi_power_meter.c
@@ -911,7 +911,7 @@ exit:
return res;
}
-static int acpi_power_meter_remove(struct acpi_device *device, int type)
+static int acpi_power_meter_remove(struct acpi_device *device)
{
struct acpi_power_meter_resource *resource;
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index 56dbcfb3e30..b25c64302cb 100644
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -190,7 +190,7 @@ struct atk_acpi_input_buf {
};
static int atk_add(struct acpi_device *device);
-static int atk_remove(struct acpi_device *device, int type);
+static int atk_remove(struct acpi_device *device);
static void atk_print_sensor(struct atk_data *data, union acpi_object *obj);
static int atk_read_value(struct atk_sensor_data *sensor, u64 *value);
static void atk_free_sensors(struct atk_data *data);
@@ -1416,7 +1416,7 @@ out:
return err;
}
-static int atk_remove(struct acpi_device *device, int type)
+static int atk_remove(struct acpi_device *device)
{
struct atk_data *data = device->driver_data;
dev_dbg(&device->dev, "removing...\n");
diff --git a/drivers/i2c/busses/i2c-scmi.c b/drivers/i2c/busses/i2c-scmi.c
index 6aafa3d88ff..c447e8d40b7 100644
--- a/drivers/i2c/busses/i2c-scmi.c
+++ b/drivers/i2c/busses/i2c-scmi.c
@@ -406,7 +406,7 @@ err:
return -EIO;
}
-static int acpi_smbus_cmi_remove(struct acpi_device *device, int type)
+static int acpi_smbus_cmi_remove(struct acpi_device *device)
{
struct acpi_smbus_cmi *smbus_cmi = acpi_driver_data(device);
diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c
index 2df9414a72f..5d667501386 100644
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -74,7 +74,7 @@ static struct cpuidle_driver intel_idle_driver = {
.en_core_tk_irqen = 1,
};
/* intel_idle.max_cstate=0 disables driver */
-static int max_cstate = MWAIT_MAX_NUM_CSTATES - 1;
+static int max_cstate = CPUIDLE_STATE_MAX - 1;
static unsigned int mwait_substates;
@@ -90,6 +90,7 @@ struct idle_cpu {
* Indicate which enable bits to clear here.
*/
unsigned long auto_demotion_disable_flags;
+ bool disable_promotion_to_c1e;
};
static const struct idle_cpu *icpu;
@@ -109,162 +110,206 @@ static struct cpuidle_state *cpuidle_state_table;
#define CPUIDLE_FLAG_TLB_FLUSHED 0x10000
/*
+ * MWAIT takes an 8-bit "hint" in EAX "suggesting"
+ * the C-state (top nibble) and sub-state (bottom nibble)
+ * 0x00 means "MWAIT(C1)", 0x10 means "MWAIT(C2)" etc.
+ *
+ * We store the hint at the top of our "flags" for each state.
+ */
+#define flg2MWAIT(flags) (((flags) >> 24) & 0xFF)
+#define MWAIT2flg(eax) ((eax & 0xFF) << 24)
+
+/*
* States are indexed by the cstate number,
* which is also the index into the MWAIT hint array.
* Thus C0 is a dummy.
*/
-static struct cpuidle_state nehalem_cstates[MWAIT_MAX_NUM_CSTATES] = {
- { /* MWAIT C0 */ },
- { /* MWAIT C1 */
+static struct cpuidle_state nehalem_cstates[CPUIDLE_STATE_MAX] = {
+ {
.name = "C1-NHM",
.desc = "MWAIT 0x00",
- .flags = CPUIDLE_FLAG_TIME_VALID,
+ .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_TIME_VALID,
.exit_latency = 3,
.target_residency = 6,
.enter = &intel_idle },
- { /* MWAIT C2 */
+ {
+ .name = "C1E-NHM",
+ .desc = "MWAIT 0x01",
+ .flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 10,
+ .target_residency = 20,
+ .enter = &intel_idle },
+ {
.name = "C3-NHM",
.desc = "MWAIT 0x10",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 20,
.target_residency = 80,
.enter = &intel_idle },
- { /* MWAIT C3 */
+ {
.name = "C6-NHM",
.desc = "MWAIT 0x20",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 200,
.target_residency = 800,
.enter = &intel_idle },
+ {
+ .enter = NULL }
};
-static struct cpuidle_state snb_cstates[MWAIT_MAX_NUM_CSTATES] = {
- { /* MWAIT C0 */ },
- { /* MWAIT C1 */
+static struct cpuidle_state snb_cstates[CPUIDLE_STATE_MAX] = {
+ {
.name = "C1-SNB",
.desc = "MWAIT 0x00",
- .flags = CPUIDLE_FLAG_TIME_VALID,
- .exit_latency = 1,
- .target_residency = 1,
+ .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 2,
+ .target_residency = 2,
.enter = &intel_idle },
- { /* MWAIT C2 */
+ {
+ .name = "C1E-SNB",
+ .desc = "MWAIT 0x01",
+ .flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 10,
+ .target_residency = 20,
+ .enter = &intel_idle },
+ {
.name = "C3-SNB",
.desc = "MWAIT 0x10",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 80,
.target_residency = 211,
.enter = &intel_idle },
- { /* MWAIT C3 */
+ {
.name = "C6-SNB",
.desc = "MWAIT 0x20",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 104,
.target_residency = 345,
.enter = &intel_idle },
- { /* MWAIT C4 */
+ {
.name = "C7-SNB",
.desc = "MWAIT 0x30",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x30) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 109,
.target_residency = 345,
.enter = &intel_idle },
+ {
+ .enter = NULL }
};
-static struct cpuidle_state ivb_cstates[MWAIT_MAX_NUM_CSTATES] = {
- { /* MWAIT C0 */ },
- { /* MWAIT C1 */
+static struct cpuidle_state ivb_cstates[CPUIDLE_STATE_MAX] = {
+ {
.name = "C1-IVB",
.desc = "MWAIT 0x00",
- .flags = CPUIDLE_FLAG_TIME_VALID,
+ .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_TIME_VALID,
.exit_latency = 1,
.target_residency = 1,
.enter = &intel_idle },
- { /* MWAIT C2 */
+ {
+ .name = "C1E-IVB",
+ .desc = "MWAIT 0x01",
+ .flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 10,
+ .target_residency = 20,
+ .enter = &intel_idle },
+ {
.name = "C3-IVB",
.desc = "MWAIT 0x10",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 59,
.target_residency = 156,
.enter = &intel_idle },
- { /* MWAIT C3 */
+ {
.name = "C6-IVB",
.desc = "MWAIT 0x20",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 80,
.target_residency = 300,
.enter = &intel_idle },
- { /* MWAIT C4 */
+ {
.name = "C7-IVB",
.desc = "MWAIT 0x30",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x30) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 87,
.target_residency = 300,
.enter = &intel_idle },
+ {
+ .enter = NULL }
};
-static struct cpuidle_state atom_cstates[MWAIT_MAX_NUM_CSTATES] = {
- { /* MWAIT C0 */ },
- { /* MWAIT C1 */
- .name = "C1-ATM",
+static struct cpuidle_state hsw_cstates[CPUIDLE_STATE_MAX] = {
+ {
+ .name = "C1-HSW",
.desc = "MWAIT 0x00",
- .flags = CPUIDLE_FLAG_TIME_VALID,
- .exit_latency = 1,
- .target_residency = 4,
+ .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 2,
+ .target_residency = 2,
+ .enter = &intel_idle },
+ {
+ .name = "C1E-HSW",
+ .desc = "MWAIT 0x01",
+ .flags = MWAIT2flg(0x01) | CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 10,
+ .target_residency = 20,
+ .enter = &intel_idle },
+ {
+ .name = "C3-HSW",
+ .desc = "MWAIT 0x10",
+ .flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 33,
+ .target_residency = 100,
+ .enter = &intel_idle },
+ {
+ .name = "C6-HSW",
+ .desc = "MWAIT 0x20",
+ .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 133,
+ .target_residency = 400,
+ .enter = &intel_idle },
+ {
+ .name = "C7s-HSW",
+ .desc = "MWAIT 0x32",
+ .flags = MWAIT2flg(0x32) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .exit_latency = 166,
+ .target_residency = 500,
+ .enter = &intel_idle },
+ {
+ .enter = NULL }
+};
+
+static struct cpuidle_state atom_cstates[CPUIDLE_STATE_MAX] = {
+ {
+ .name = "C1E-ATM",
+ .desc = "MWAIT 0x00",
+ .flags = MWAIT2flg(0x00) | CPUIDLE_FLAG_TIME_VALID,
+ .exit_latency = 10,
+ .target_residency = 20,
.enter = &intel_idle },
- { /* MWAIT C2 */
+ {
.name = "C2-ATM",
.desc = "MWAIT 0x10",
- .flags = CPUIDLE_FLAG_TIME_VALID,
+ .flags = MWAIT2flg(0x10) | CPUIDLE_FLAG_TIME_VALID,
.exit_latency = 20,
.target_residency = 80,
.enter = &intel_idle },
- { /* MWAIT C3 */ },
- { /* MWAIT C4 */
+ {
.name = "C4-ATM",
.desc = "MWAIT 0x30",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x30) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 100,
.target_residency = 400,
.enter = &intel_idle },
- { /* MWAIT C5 */ },
- { /* MWAIT C6 */
+ {
.name = "C6-ATM",
.desc = "MWAIT 0x52",
- .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
+ .flags = MWAIT2flg(0x52) | CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
.exit_latency = 140,
.target_residency = 560,
.enter = &intel_idle },
+ {
+ .enter = NULL }
};
-static long get_driver_data(int cstate)
-{
- int driver_data;
- switch (cstate) {
-
- case 1: /* MWAIT C1 */
- driver_data = 0x00;
- break;
- case 2: /* MWAIT C2 */
- driver_data = 0x10;
- break;
- case 3: /* MWAIT C3 */
- driver_data = 0x20;
- break;
- case 4: /* MWAIT C4 */
- driver_data = 0x30;
- break;
- case 5: /* MWAIT C5 */
- driver_data = 0x40;
- break;
- case 6: /* MWAIT C6 */
- driver_data = 0x52;
- break;
- default:
- driver_data = 0x00;
- }
- return driver_data;
-}
-
/**
* intel_idle
* @dev: cpuidle_device
@@ -278,8 +323,7 @@ static int intel_idle(struct cpuidle_device *dev,
{
unsigned long ecx = 1; /* break on interrupt flag */
struct cpuidle_state *state = &drv->states[index];
- struct cpuidle_state_usage *state_usage = &dev->states_usage[index];
- unsigned long eax = (unsigned long)cpuidle_get_statedata(state_usage);
+ unsigned long eax = flg2MWAIT(state->flags);
unsigned int cstate;
int cpu = smp_processor_id();
@@ -362,10 +406,19 @@ static void auto_demotion_disable(void *dummy)
msr_bits &= ~(icpu->auto_demotion_disable_flags);
wrmsrl(MSR_NHM_SNB_PKG_CST_CFG_CTL, msr_bits);
}
+static void c1e_promotion_disable(void *dummy)
+{
+ unsigned long long msr_bits;
+
+ rdmsrl(MSR_IA32_POWER_CTL, msr_bits);
+ msr_bits &= ~0x2;
+ wrmsrl(MSR_IA32_POWER_CTL, msr_bits);
+}
static const struct idle_cpu idle_cpu_nehalem = {
.state_table = nehalem_cstates,
.auto_demotion_disable_flags = NHM_C1_AUTO_DEMOTE | NHM_C3_AUTO_DEMOTE,
+ .disable_promotion_to_c1e = true,
};
static const struct idle_cpu idle_cpu_atom = {
@@ -379,10 +432,17 @@ static const struct idle_cpu idle_cpu_lincroft = {
static const struct idle_cpu idle_cpu_snb = {
.state_table = snb_cstates,
+ .disable_promotion_to_c1e = true,
};
static const struct idle_cpu idle_cpu_ivb = {
.state_table = ivb_cstates,
+ .disable_promotion_to_c1e = true,
+};
+
+static const struct idle_cpu idle_cpu_hsw = {
+ .state_table = hsw_cstates,
+ .disable_promotion_to_c1e = true,
};
#define ICPU(model, cpu) \
@@ -402,6 +462,9 @@ static const struct x86_cpu_id intel_idle_ids[] = {
ICPU(0x2d, idle_cpu_snb),
ICPU(0x3a, idle_cpu_ivb),
ICPU(0x3e, idle_cpu_ivb),
+ ICPU(0x3c, idle_cpu_hsw),
+ ICPU(0x3f, idle_cpu_hsw),
+ ICPU(0x45, idle_cpu_hsw),
{}
};
MODULE_DEVICE_TABLE(x86cpu, intel_idle_ids);
@@ -484,32 +547,31 @@ static int intel_idle_cpuidle_driver_init(void)
drv->state_count = 1;
- for (cstate = 1; cstate < MWAIT_MAX_NUM_CSTATES; ++cstate) {
- int num_substates;
+ for (cstate = 0; cstate < CPUIDLE_STATE_MAX; ++cstate) {
+ int num_substates, mwait_hint, mwait_cstate, mwait_substate;
- if (cstate > max_cstate) {
+ if (cpuidle_state_table[cstate].enter == NULL)
+ break;
+
+ if (cstate + 1 > max_cstate) {
printk(PREFIX "max_cstate %d reached\n",
max_cstate);
break;
}
+ mwait_hint = flg2MWAIT(cpuidle_state_table[cstate].flags);
+ mwait_cstate = MWAIT_HINT2CSTATE(mwait_hint);
+ mwait_substate = MWAIT_HINT2SUBSTATE(mwait_hint);
+
/* does the state exist in CPUID.MWAIT? */
- num_substates = (mwait_substates >> ((cstate) * 4))
+ num_substates = (mwait_substates >> ((mwait_cstate + 1) * 4))
& MWAIT_SUBSTATE_MASK;
- if (num_substates == 0)
- continue;
- /* is the state not enabled? */
- if (cpuidle_state_table[cstate].enter == NULL) {
- /* does the driver not know about the state? */
- if (*cpuidle_state_table[cstate].name == '\0')
- pr_debug(PREFIX "unaware of model 0x%x"
- " MWAIT %d please"
- " contact lenb@kernel.org\n",
- boot_cpu_data.x86_model, cstate);
+
+ /* if sub-state in table is not enumerated by CPUID */
+ if ((mwait_substate + 1) > num_substates)
continue;
- }
- if ((cstate > 2) &&
+ if (((mwait_cstate + 1) > 2) &&
!boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
mark_tsc_unstable("TSC halts in idle"
" states deeper than C2");
@@ -523,6 +585,9 @@ static int intel_idle_cpuidle_driver_init(void)
if (icpu->auto_demotion_disable_flags)
on_each_cpu(auto_demotion_disable, NULL, 1);
+ if (icpu->disable_promotion_to_c1e) /* each-cpu is redundant */
+ on_each_cpu(c1e_promotion_disable, NULL, 1);
+
return 0;
}
@@ -541,25 +606,28 @@ static int intel_idle_cpu_init(int cpu)
dev->state_count = 1;
- for (cstate = 1; cstate < MWAIT_MAX_NUM_CSTATES; ++cstate) {
- int num_substates;
+ for (cstate = 0; cstate < CPUIDLE_STATE_MAX; ++cstate) {
+ int num_substates, mwait_hint, mwait_cstate, mwait_substate;
+
+ if (cpuidle_state_table[cstate].enter == NULL)
+ continue;
- if (cstate > max_cstate) {
+ if (cstate + 1 > max_cstate) {
printk(PREFIX "max_cstate %d reached\n", max_cstate);
break;
}
+ mwait_hint = flg2MWAIT(cpuidle_state_table[cstate].flags);
+ mwait_cstate = MWAIT_HINT2CSTATE(mwait_hint);
+ mwait_substate = MWAIT_HINT2SUBSTATE(mwait_hint);
+
/* does the state exist in CPUID.MWAIT? */
- num_substates = (mwait_substates >> ((cstate) * 4))
- & MWAIT_SUBSTATE_MASK;
- if (num_substates == 0)
- continue;
- /* is the state not enabled? */
- if (cpuidle_state_table[cstate].enter == NULL)
- continue;
+ num_substates = (mwait_substates >> ((mwait_cstate + 1) * 4))
+ & MWAIT_SUBSTATE_MASK;
- dev->states_usage[dev->state_count].driver_data =
- (void *)get_driver_data(cstate);
+ /* if sub-state in table is not enumerated by CPUID */
+ if ((mwait_substate + 1) > num_substates)
+ continue;
dev->state_count += 1;
}
diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index 26f13131639..5d4402365a5 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c
@@ -121,7 +121,7 @@ static int atlas_acpi_button_add(struct acpi_device *device)
return err;
}
-static int atlas_acpi_button_remove(struct acpi_device *device, int type)
+static int atlas_acpi_button_remove(struct acpi_device *device)
{
acpi_status status;
diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
new file mode 100644
index 00000000000..9545c9f0380
--- /dev/null
+++ b/drivers/mailbox/Kconfig
@@ -0,0 +1,19 @@
+menuconfig MAILBOX
+ bool "Mailbox Hardware Support"
+ help
+ Mailbox is a framework to control hardware communication between
+ on-chip processors through queued messages and interrupt driven
+ signals. Say Y if your platform supports hardware mailboxes.
+
+if MAILBOX
+config PL320_MBOX
+ bool "ARM PL320 Mailbox"
+ depends on ARM_AMBA
+ help
+ An implementation of the ARM PL320 Interprocessor Communication
+ Mailbox (IPCM), tailored for the Calxeda Highbank. It is used to
+ send short messages between Highbank's A9 cores and the EnergyCore
+ Management Engine, primarily for cpufreq. Say Y here if you want
+ to use the PL320 IPCM support.
+
+endif
diff --git a/drivers/mailbox/Makefile b/drivers/mailbox/Makefile
new file mode 100644
index 00000000000..543ad6a7950
--- /dev/null
+++ b/drivers/mailbox/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_PL320_MBOX) += pl320-ipc.o
diff --git a/drivers/mailbox/pl320-ipc.c b/drivers/mailbox/pl320-ipc.c
new file mode 100644
index 00000000000..c45b3aedafb
--- /dev/null
+++ b/drivers/mailbox/pl320-ipc.c
@@ -0,0 +1,199 @@
+/*
+ * Copyright 2012 Calxeda, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/types.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#include <linux/io.h>
+#include <linux/interrupt.h>
+#include <linux/completion.h>
+#include <linux/mutex.h>
+#include <linux/notifier.h>
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/amba/bus.h>
+
+#include <linux/mailbox.h>
+
+#define IPCMxSOURCE(m) ((m) * 0x40)
+#define IPCMxDSET(m) (((m) * 0x40) + 0x004)
+#define IPCMxDCLEAR(m) (((m) * 0x40) + 0x008)
+#define IPCMxDSTATUS(m) (((m) * 0x40) + 0x00C)
+#define IPCMxMODE(m) (((m) * 0x40) + 0x010)
+#define IPCMxMSET(m) (((m) * 0x40) + 0x014)
+#define IPCMxMCLEAR(m) (((m) * 0x40) + 0x018)
+#define IPCMxMSTATUS(m) (((m) * 0x40) + 0x01C)
+#define IPCMxSEND(m) (((m) * 0x40) + 0x020)
+#define IPCMxDR(m, dr) (((m) * 0x40) + ((dr) * 4) + 0x024)
+
+#define IPCMMIS(irq) (((irq) * 8) + 0x800)
+#define IPCMRIS(irq) (((irq) * 8) + 0x804)
+
+#define MBOX_MASK(n) (1 << (n))
+#define IPC_TX_MBOX 1
+#define IPC_RX_MBOX 2
+
+#define CHAN_MASK(n) (1 << (n))
+#define A9_SOURCE 1
+#define M3_SOURCE 0
+
+static void __iomem *ipc_base;
+static int ipc_irq;
+static DEFINE_MUTEX(ipc_m1_lock);
+static DECLARE_COMPLETION(ipc_completion);
+static ATOMIC_NOTIFIER_HEAD(ipc_notifier);
+
+static inline void set_destination(int source, int mbox)
+{
+ __raw_writel(CHAN_MASK(source), ipc_base + IPCMxDSET(mbox));
+ __raw_writel(CHAN_MASK(source), ipc_base + IPCMxMSET(mbox));
+}
+
+static inline void clear_destination(int source, int mbox)
+{
+ __raw_writel(CHAN_MASK(source), ipc_base + IPCMxDCLEAR(mbox));
+ __raw_writel(CHAN_MASK(source), ipc_base + IPCMxMCLEAR(mbox));
+}
+
+static void __ipc_send(int mbox, u32 *data)
+{
+ int i;
+ for (i = 0; i < 7; i++)
+ __raw_writel(data[i], ipc_base + IPCMxDR(mbox, i));
+ __raw_writel(0x1, ipc_base + IPCMxSEND(mbox));
+}
+
+static u32 __ipc_rcv(int mbox, u32 *data)
+{
+ int i;
+ for (i = 0; i < 7; i++)
+ data[i] = __raw_readl(ipc_base + IPCMxDR(mbox, i));
+ return data[1];
+}
+
+/* blocking implmentation from the A9 side, not usuable in interrupts! */
+int pl320_ipc_transmit(u32 *data)
+{
+ int ret;
+
+ mutex_lock(&ipc_m1_lock);
+
+ init_completion(&ipc_completion);
+ __ipc_send(IPC_TX_MBOX, data);
+ ret = wait_for_completion_timeout(&ipc_completion,
+ msecs_to_jiffies(1000));
+ if (ret == 0) {
+ ret = -ETIMEDOUT;
+ goto out;
+ }
+
+ ret = __ipc_rcv(IPC_TX_MBOX, data);
+out:
+ mutex_unlock(&ipc_m1_lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(pl320_ipc_transmit);
+
+static irqreturn_t ipc_handler(int irq, void *dev)
+{
+ u32 irq_stat;
+ u32 data[7];
+
+ irq_stat = __raw_readl(ipc_base + IPCMMIS(1));
+ if (irq_stat & MBOX_MASK(IPC_TX_MBOX)) {
+ __raw_writel(0, ipc_base + IPCMxSEND(IPC_TX_MBOX));
+ complete(&ipc_completion);
+ }
+ if (irq_stat & MBOX_MASK(IPC_RX_MBOX)) {
+ __ipc_rcv(IPC_RX_MBOX, data);
+ atomic_notifier_call_chain(&ipc_notifier, data[0], data + 1);
+ __raw_writel(2, ipc_base + IPCMxSEND(IPC_RX_MBOX));
+ }
+
+ return IRQ_HANDLED;
+}
+
+int pl320_ipc_register_notifier(struct notifier_block *nb)
+{
+ return atomic_notifier_chain_register(&ipc_notifier, nb);
+}
+EXPORT_SYMBOL_GPL(pl320_ipc_register_notifier);
+
+int pl320_ipc_unregister_notifier(struct notifier_block *nb)
+{
+ return atomic_notifier_chain_unregister(&ipc_notifier, nb);
+}
+EXPORT_SYMBOL_GPL(pl320_ipc_unregister_notifier);
+
+static int __init pl320_probe(struct amba_device *adev,
+ const struct amba_id *id)
+{
+ int ret;
+
+ ipc_base = ioremap(adev->res.start, resource_size(&adev->res));
+ if (ipc_base == NULL)
+ return -ENOMEM;
+
+ __raw_writel(0, ipc_base + IPCMxSEND(IPC_TX_MBOX));
+
+ ipc_irq = adev->irq[0];
+ ret = request_irq(ipc_irq, ipc_handler, 0, dev_name(&adev->dev), NULL);
+ if (ret < 0)
+ goto err;
+
+ /* Init slow mailbox */
+ __raw_writel(CHAN_MASK(A9_SOURCE),
+ ipc_base + IPCMxSOURCE(IPC_TX_MBOX));
+ __raw_writel(CHAN_MASK(M3_SOURCE),
+ ipc_base + IPCMxDSET(IPC_TX_MBOX));
+ __raw_writel(CHAN_MASK(M3_SOURCE) | CHAN_MASK(A9_SOURCE),
+ ipc_base + IPCMxMSET(IPC_TX_MBOX));
+
+ /* Init receive mailbox */
+ __raw_writel(CHAN_MASK(M3_SOURCE),
+ ipc_base + IPCMxSOURCE(IPC_RX_MBOX));
+ __raw_writel(CHAN_MASK(A9_SOURCE),
+ ipc_base + IPCMxDSET(IPC_RX_MBOX));
+ __raw_writel(CHAN_MASK(M3_SOURCE) | CHAN_MASK(A9_SOURCE),
+ ipc_base + IPCMxMSET(IPC_RX_MBOX));
+
+ return 0;
+err:
+ iounmap(ipc_base);
+ return ret;
+}
+
+static struct amba_id pl320_ids[] = {
+ {
+ .id = 0x00041320,
+ .mask = 0x000fffff,
+ },
+ { 0, 0 },
+};
+
+static struct amba_driver pl320_driver = {
+ .drv = {
+ .name = "pl320",
+ },
+ .id_table = pl320_ids,
+ .probe = pl320_probe,
+};
+
+static int __init ipc_init(void)
+{
+ return amba_driver_register(&pl320_driver);
+}
+module_init(ipc_init);
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 3d6d4fd1e3c..a951c22921d 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -734,34 +734,24 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
*/
static int acpiphp_bus_add(struct acpiphp_func *func)
{
- acpi_handle phandle;
- struct acpi_device *device, *pdevice;
+ struct acpi_device *device;
int ret_val;
- acpi_get_parent(func->handle, &phandle);
- if (acpi_bus_get_device(phandle, &pdevice)) {
- dbg("no parent device, assuming NULL\n");
- pdevice = NULL;
- }
if (!acpi_bus_get_device(func->handle, &device)) {
dbg("bus exists... trim\n");
/* this shouldn't be in here, so remove
* the bus then re-add it...
*/
- ret_val = acpi_bus_trim(device, 1);
- dbg("acpi_bus_trim return %x\n", ret_val);
+ acpi_bus_trim(device);
}
- ret_val = acpi_bus_add(&device, pdevice, func->handle,
- ACPI_BUS_TYPE_DEVICE);
- if (ret_val) {
- dbg("error adding bus, %x\n",
- -ret_val);
- goto acpiphp_bus_add_out;
- }
- ret_val = acpi_bus_start(device);
+ ret_val = acpi_bus_scan(func->handle);
+ if (!ret_val)
+ ret_val = acpi_bus_get_device(func->handle, &device);
+
+ if (ret_val)
+ dbg("error adding bus, %x\n", -ret_val);
-acpiphp_bus_add_out:
return ret_val;
}
@@ -781,11 +771,8 @@ static int acpiphp_bus_trim(acpi_handle handle)
return retval;
}
- retval = acpi_bus_trim(device, 1);
- if (retval)
- err("cannot remove from acpi list\n");
-
- return retval;
+ acpi_bus_trim(device);
+ return 0;
}
static void acpiphp_set_acpi_region(struct acpiphp_slot *slot)
@@ -1130,8 +1117,7 @@ static int acpiphp_configure_bridge (acpi_handle handle)
static void handle_bridge_insertion(acpi_handle handle, u32 type)
{
- struct acpi_device *device, *pdevice;
- acpi_handle phandle;
+ struct acpi_device *device;
if ((type != ACPI_NOTIFY_BUS_CHECK) &&
(type != ACPI_NOTIFY_DEVICE_CHECK)) {
@@ -1139,17 +1125,15 @@ static void handle_bridge_insertion(acpi_handle handle, u32 type)
return;
}
- acpi_get_parent(handle, &phandle);
- if (acpi_bus_get_device(phandle, &pdevice)) {
- dbg("no parent device, assuming NULL\n");
- pdevice = NULL;
- }
- if (acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE)) {
+ if (acpi_bus_scan(handle)) {
err("cannot add bridge to acpi list\n");
return;
}
- if (!acpiphp_configure_bridge(handle) &&
- !acpi_bus_start(device))
+ if (acpi_bus_get_device(handle, &device)) {
+ err("ACPI device object missing\n");
+ return;
+ }
+ if (!acpiphp_configure_bridge(handle))
add_bridge(handle);
else
err("cannot configure and start bridge\n");
@@ -1234,6 +1218,8 @@ static void _handle_hotplug_event_bridge(struct work_struct *work)
handle = hp_work->handle;
type = hp_work->type;
+ acpi_scan_lock_acquire();
+
if (acpi_bus_get_device(handle, &device)) {
/* This bridge must have just been physically inserted */
handle_bridge_insertion(handle, type);
@@ -1311,6 +1297,7 @@ static void _handle_hotplug_event_bridge(struct work_struct *work)
}
out:
+ acpi_scan_lock_release();
kfree(hp_work); /* allocated in handle_hotplug_event_bridge */
}
@@ -1357,6 +1344,8 @@ static void _handle_hotplug_event_func(struct work_struct *work)
func = (struct acpiphp_func *)context;
+ acpi_scan_lock_acquire();
+
switch (type) {
case ACPI_NOTIFY_BUS_CHECK:
/* bus re-enumerate */
@@ -1387,6 +1376,7 @@ static void _handle_hotplug_event_func(struct work_struct *work)
break;
}
+ acpi_scan_lock_release();
kfree(hp_work); /* allocated in handle_hotplug_event_func */
}
diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c
index f64ca92253d..574421bc2fa 100644
--- a/drivers/pci/hotplug/sgi_hotplug.c
+++ b/drivers/pci/hotplug/sgi_hotplug.c
@@ -412,7 +412,6 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
if (SN_ACPI_BASE_SUPPORT() && ssdt) {
unsigned long long adr;
struct acpi_device *pdevice;
- struct acpi_device *device;
acpi_handle phandle;
acpi_handle chandle = NULL;
acpi_handle rethandle;
@@ -426,6 +425,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
pdevice = NULL;
}
+ acpi_scan_lock_acquire();
/*
* Walk the rootbus node's immediate children looking for
* the slot's device node(s). There can be more than
@@ -448,20 +448,18 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot)
if (ACPI_SUCCESS(ret) &&
(adr>>16) == (slot->device_num + 1)) {
- ret = acpi_bus_add(&device, pdevice, chandle,
- ACPI_BUS_TYPE_DEVICE);
+ ret = acpi_bus_scan(chandle);
if (ACPI_FAILURE(ret)) {
- printk(KERN_ERR "%s: acpi_bus_add "
+ printk(KERN_ERR "%s: acpi_bus_scan "
"failed (0x%x) for slot %d "
"func %d\n", __func__,
ret, (int)(adr>>16),
(int)(adr&0xffff));
/* try to continue on */
- } else {
- acpi_bus_start(device);
}
}
}
+ acpi_scan_lock_release();
}
/* Call the driver for the new device */
@@ -512,6 +510,7 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
/* Get the rootbus node pointer */
phandle = PCI_CONTROLLER(slot->pci_bus)->acpi_handle;
+ acpi_scan_lock_acquire();
/*
* Walk the rootbus node's immediate children looking for
* the slot's device node(s). There can be more than
@@ -539,10 +538,10 @@ static int disable_slot(struct hotplug_slot *bss_hotplug_slot)
ret = acpi_bus_get_device(chandle,
&device);
if (ACPI_SUCCESS(ret))
- acpi_bus_trim(device, 1);
+ acpi_bus_trim(device);
}
}
-
+ acpi_scan_lock_release();
}
/* Free the SN resources assigned to the Linux device.*/
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 1af4008182f..e407c61559c 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -283,7 +283,6 @@ static struct pci_platform_pm_ops acpi_pci_platform_pm = {
.is_manageable = acpi_pci_power_manageable,
.set_state = acpi_pci_set_power_state,
.choose_state = acpi_pci_choose_state,
- .can_wakeup = acpi_pci_can_wakeup,
.sleep_wake = acpi_pci_sleep_wake,
.run_wake = acpi_pci_run_wake,
};
@@ -321,10 +320,65 @@ static int acpi_pci_find_root_bridge(struct device *dev, acpi_handle *handle)
return 0;
}
+static void pci_acpi_setup(struct device *dev)
+{
+ struct pci_dev *pci_dev = to_pci_dev(dev);
+ acpi_handle handle = ACPI_HANDLE(dev);
+ struct acpi_device *adev;
+ acpi_status status;
+ acpi_handle dummy;
+
+ /*
+ * Evaluate and parse _PRT, if exists. This code allows parsing of
+ * _PRT objects within the scope of non-bridge devices. Note that
+ * _PRTs within the scope of a PCI bridge assume the bridge's
+ * subordinate bus number.
+ *
+ * TBD: Can _PRTs exist within the scope of non-bridge PCI devices?
+ */
+ status = acpi_get_handle(handle, METHOD_NAME__PRT, &dummy);
+ if (ACPI_SUCCESS(status)) {
+ unsigned char bus;
+
+ bus = pci_dev->subordinate ?
+ pci_dev->subordinate->number : pci_dev->bus->number;
+ acpi_pci_irq_add_prt(handle, pci_domain_nr(pci_dev->bus), bus);
+ }
+
+ if (acpi_bus_get_device(handle, &adev) || !adev->wakeup.flags.valid)
+ return;
+
+ device_set_wakeup_capable(dev, true);
+ acpi_pci_sleep_wake(pci_dev, false);
+
+ pci_acpi_add_pm_notifier(adev, pci_dev);
+ if (adev->wakeup.flags.run_wake)
+ device_set_run_wake(dev, true);
+}
+
+static void pci_acpi_cleanup(struct device *dev)
+{
+ struct pci_dev *pci_dev = to_pci_dev(dev);
+ acpi_handle handle = ACPI_HANDLE(dev);
+ struct acpi_device *adev;
+
+ if (!acpi_bus_get_device(handle, &adev) && adev->wakeup.flags.valid) {
+ device_set_wakeup_capable(dev, false);
+ device_set_run_wake(dev, false);
+ pci_acpi_remove_pm_notifier(adev);
+ }
+
+ if (pci_dev->subordinate)
+ acpi_pci_irq_del_prt(pci_domain_nr(pci_dev->bus),
+ pci_dev->subordinate->number);
+}
+
static struct acpi_bus_type acpi_pci_bus = {
.bus = &pci_bus_type,
.find_device = acpi_pci_find_device,
.find_bridge = acpi_pci_find_root_bridge,
+ .setup = pci_acpi_setup,
+ .cleanup = pci_acpi_cleanup,
};
static int __init acpi_pci_init(void)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 5cb5820fae4..0c4f641b7be 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -450,7 +450,7 @@ static struct pci_platform_pm_ops *pci_platform_pm;
int pci_set_platform_pm(struct pci_platform_pm_ops *ops)
{
if (!ops->is_manageable || !ops->set_state || !ops->choose_state
- || !ops->sleep_wake || !ops->can_wakeup)
+ || !ops->sleep_wake)
return -EINVAL;
pci_platform_pm = ops;
return 0;
@@ -473,11 +473,6 @@ static inline pci_power_t platform_pci_choose_state(struct pci_dev *dev)
pci_platform_pm->choose_state(dev) : PCI_POWER_ERROR;
}
-static inline bool platform_pci_can_wakeup(struct pci_dev *dev)
-{
- return pci_platform_pm ? pci_platform_pm->can_wakeup(dev) : false;
-}
-
static inline int platform_pci_sleep_wake(struct pci_dev *dev, bool enable)
{
return pci_platform_pm ?
@@ -1985,25 +1980,6 @@ void pci_pm_init(struct pci_dev *dev)
}
}
-/**
- * platform_pci_wakeup_init - init platform wakeup if present
- * @dev: PCI device
- *
- * Some devices don't have PCI PM caps but can still generate wakeup
- * events through platform methods (like ACPI events). If @dev supports
- * platform wakeup events, set the device flag to indicate as much. This
- * may be redundant if the device also supports PCI PM caps, but double
- * initialization should be safe in that case.
- */
-void platform_pci_wakeup_init(struct pci_dev *dev)
-{
- if (!platform_pci_can_wakeup(dev))
- return;
-
- device_set_wakeup_capable(&dev->dev, true);
- platform_pci_sleep_wake(dev, false);
-}
-
static void pci_add_saved_cap(struct pci_dev *pci_dev,
struct pci_cap_saved_state *new_cap)
{
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index e8518292826..adfd172c5b9 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -43,9 +43,6 @@ int pci_probe_reset_function(struct pci_dev *dev);
* platform; to be used during system-wide transitions from a
* sleeping state to the working state and vice versa
*
- * @can_wakeup: returns 'true' if given device is capable of waking up the
- * system from a sleeping state
- *
* @sleep_wake: enables/disables the system wake up capability of given device
*
* @run_wake: enables/disables the platform to generate run-time wake-up events
@@ -59,7 +56,6 @@ struct pci_platform_pm_ops {
bool (*is_manageable)(struct pci_dev *dev);
int (*set_state)(struct pci_dev *dev, pci_power_t state);
pci_power_t (*choose_state)(struct pci_dev *dev);
- bool (*can_wakeup)(struct pci_dev *dev);
int (*sleep_wake)(struct pci_dev *dev, bool enable);
int (*run_wake)(struct pci_dev *dev, bool enable);
};
@@ -74,7 +70,6 @@ extern void pci_wakeup_bus(struct pci_bus *bus);
extern void pci_config_pm_runtime_get(struct pci_dev *dev);
extern void pci_config_pm_runtime_put(struct pci_dev *dev);
extern void pci_pm_init(struct pci_dev *dev);
-extern void platform_pci_wakeup_init(struct pci_dev *dev);
extern void pci_allocate_cap_save_buffers(struct pci_dev *dev);
void pci_free_cap_save_buffers(struct pci_dev *dev);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 6186f03d84f..2dcd22d9c81 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1280,7 +1280,6 @@ static void pci_init_capabilities(struct pci_dev *dev)
/* Power Management */
pci_pm_init(dev);
- platform_pci_wakeup_init(dev);
/* Vital Product Data */
pci_vpd_pci22_init(dev);
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index fcde4e52881..d9f9a0dbc6f 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1910,7 +1910,7 @@ fail_platform:
return result;
}
-static int asus_acpi_remove(struct acpi_device *device, int type)
+static int asus_acpi_remove(struct acpi_device *device)
{
struct asus_laptop *asus = acpi_driver_data(device);
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index c87ff16873f..36e5e6c13db 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -432,7 +432,7 @@ failed_sensitivity:
return error;
}
-static int cmpc_accel_remove_v4(struct acpi_device *acpi, int type)
+static int cmpc_accel_remove_v4(struct acpi_device *acpi)
{
struct input_dev *inputdev;
struct cmpc_accel *accel;
@@ -668,7 +668,7 @@ failed_file:
return error;
}
-static int cmpc_accel_remove(struct acpi_device *acpi, int type)
+static int cmpc_accel_remove(struct acpi_device *acpi)
{
struct input_dev *inputdev;
struct cmpc_accel *accel;
@@ -753,7 +753,7 @@ static int cmpc_tablet_add(struct acpi_device *acpi)
cmpc_tablet_idev_init);
}
-static int cmpc_tablet_remove(struct acpi_device *acpi, int type)
+static int cmpc_tablet_remove(struct acpi_device *acpi)
{
return cmpc_remove_acpi_notify_device(acpi);
}
@@ -1000,7 +1000,7 @@ out_bd:
return retval;
}
-static int cmpc_ipml_remove(struct acpi_device *acpi, int type)
+static int cmpc_ipml_remove(struct acpi_device *acpi)
{
struct ipml200_dev *ipml;
@@ -1079,7 +1079,7 @@ static int cmpc_keys_add(struct acpi_device *acpi)
cmpc_keys_idev_init);
}
-static int cmpc_keys_remove(struct acpi_device *acpi, int type)
+static int cmpc_keys_remove(struct acpi_device *acpi)
{
return cmpc_remove_acpi_notify_device(acpi);
}
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index a5da0b594f7..5d26e70bed6 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -1501,7 +1501,7 @@ fail_platform:
return result;
}
-static int eeepc_acpi_remove(struct acpi_device *device, int type)
+static int eeepc_acpi_remove(struct acpi_device *device)
{
struct eeepc_laptop *eeepc = acpi_driver_data(device);
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index c4c1a5444b3..1c9386e7c58 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -733,7 +733,7 @@ err_stop:
return result;
}
-static int acpi_fujitsu_remove(struct acpi_device *device, int type)
+static int acpi_fujitsu_remove(struct acpi_device *device)
{
struct fujitsu_t *fujitsu = acpi_driver_data(device);
struct input_dev *input = fujitsu->input;
@@ -938,7 +938,7 @@ err_stop:
return result;
}
-static int acpi_fujitsu_hotkey_remove(struct acpi_device *device, int type)
+static int acpi_fujitsu_hotkey_remove(struct acpi_device *device)
{
struct fujitsu_hotkey_t *fujitsu_hotkey = acpi_driver_data(device);
struct input_dev *input = fujitsu_hotkey->input;
diff --git a/drivers/platform/x86/fujitsu-tablet.c b/drivers/platform/x86/fujitsu-tablet.c
index 174ca01c4aa..570926c1001 100644
--- a/drivers/platform/x86/fujitsu-tablet.c
+++ b/drivers/platform/x86/fujitsu-tablet.c
@@ -431,7 +431,7 @@ static int acpi_fujitsu_add(struct acpi_device *adev)
return 0;
}
-static int acpi_fujitsu_remove(struct acpi_device *adev, int type)
+static int acpi_fujitsu_remove(struct acpi_device *adev)
{
free_irq(fujitsu.irq, fujitsu_interrupt);
release_region(fujitsu.io_base, fujitsu.io_length);
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 18d74f29dcb..e64a7a870d4 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -337,7 +337,7 @@ static int lis3lv02d_add(struct acpi_device *device)
return ret;
}
-static int lis3lv02d_remove(struct acpi_device *device, int type)
+static int lis3lv02d_remove(struct acpi_device *device)
{
if (!device)
return -EINVAL;
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 64bfb30a52e..17f00b8dc5c 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -834,7 +834,7 @@ platform_failed:
return ret;
}
-static int ideapad_acpi_remove(struct acpi_device *adevice, int type)
+static int ideapad_acpi_remove(struct acpi_device *adevice)
{
struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
int i;
diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c
index 3271ac85115..d6cfc1558c2 100644
--- a/drivers/platform/x86/intel_menlow.c
+++ b/drivers/platform/x86/intel_menlow.c
@@ -200,7 +200,7 @@ static int intel_menlow_memory_add(struct acpi_device *device)
}
-static int intel_menlow_memory_remove(struct acpi_device *device, int type)
+static int intel_menlow_memory_remove(struct acpi_device *device)
{
struct thermal_cooling_device *cdev = acpi_driver_data(device);
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index 8e8caa767d6..4add9a31bf6 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -176,7 +176,7 @@ enum SINF_BITS { SINF_NUM_BATTERIES = 0,
/* R1 handles SINF_AC_CUR_BRIGHT as SINF_CUR_BRIGHT, doesn't know AC state */
static int acpi_pcc_hotkey_add(struct acpi_device *device);
-static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
+static int acpi_pcc_hotkey_remove(struct acpi_device *device);
static void acpi_pcc_hotkey_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id pcc_device_ids[] = {
@@ -663,7 +663,7 @@ static int __init acpi_pcc_init(void)
return 0;
}
-static int acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
+static int acpi_pcc_hotkey_remove(struct acpi_device *device)
{
struct pcc_acpi *pcc = acpi_driver_data(device);
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index b8ad71f7863..ceb41eff423 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -2740,7 +2740,7 @@ outwalk:
return result;
}
-static int sony_nc_remove(struct acpi_device *device, int type)
+static int sony_nc_remove(struct acpi_device *device)
{
struct sony_nc_value *item;
@@ -4111,7 +4111,7 @@ found:
* ACPI driver
*
*****************/
-static int sony_pic_remove(struct acpi_device *device, int type)
+static int sony_pic_remove(struct acpi_device *device)
{
struct sony_pic_ioport *io, *tmp_io;
struct sony_pic_irq *irq, *tmp_irq;
diff --git a/drivers/platform/x86/topstar-laptop.c b/drivers/platform/x86/topstar-laptop.c
index d727bfee89a..4ab618c63b4 100644
--- a/drivers/platform/x86/topstar-laptop.c
+++ b/drivers/platform/x86/topstar-laptop.c
@@ -157,7 +157,7 @@ add_err:
return -ENODEV;
}
-static int acpi_topstar_remove(struct acpi_device *device, int type)
+static int acpi_topstar_remove(struct acpi_device *device)
{
struct topstar_hkey *tps_hkey = acpi_driver_data(device);
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index c2727895794..904476b2fa8 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -1118,7 +1118,7 @@ static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev)
return 0;
}
-static int toshiba_acpi_remove(struct acpi_device *acpi_dev, int type)
+static int toshiba_acpi_remove(struct acpi_device *acpi_dev)
{
struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
@@ -1250,7 +1250,7 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev)
return 0;
error:
- toshiba_acpi_remove(acpi_dev, 0);
+ toshiba_acpi_remove(acpi_dev);
return ret;
}
diff --git a/drivers/platform/x86/toshiba_bluetooth.c b/drivers/platform/x86/toshiba_bluetooth.c
index e95be0b7485..74dd01ae343 100644
--- a/drivers/platform/x86/toshiba_bluetooth.c
+++ b/drivers/platform/x86/toshiba_bluetooth.c
@@ -32,7 +32,7 @@ MODULE_LICENSE("GPL");
static int toshiba_bt_rfkill_add(struct acpi_device *device);
-static int toshiba_bt_rfkill_remove(struct acpi_device *device, int type);
+static int toshiba_bt_rfkill_remove(struct acpi_device *device);
static void toshiba_bt_rfkill_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id bt_device_ids[] = {
@@ -122,7 +122,7 @@ static int toshiba_bt_rfkill_add(struct acpi_device *device)
return result;
}
-static int toshiba_bt_rfkill_remove(struct acpi_device *device, int type)
+static int toshiba_bt_rfkill_remove(struct acpi_device *device)
{
/* clean up */
return 0;
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 42a4dcc25f9..e4ac38aca58 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -92,7 +92,7 @@ module_param(debug_dump_wdg, bool, 0444);
MODULE_PARM_DESC(debug_dump_wdg,
"Dump available WMI interfaces [0/1]");
-static int acpi_wmi_remove(struct acpi_device *device, int type);
+static int acpi_wmi_remove(struct acpi_device *device);
static int acpi_wmi_add(struct acpi_device *device);
static void acpi_wmi_notify(struct acpi_device *device, u32 event);
@@ -917,7 +917,7 @@ static void acpi_wmi_notify(struct acpi_device *device, u32 event)
}
}
-static int acpi_wmi_remove(struct acpi_device *device, int type)
+static int acpi_wmi_remove(struct acpi_device *device)
{
acpi_remove_address_space_handler(device->handle,
ACPI_ADR_SPACE_EC, &acpi_wmi_ec_space_handler);
diff --git a/drivers/platform/x86/xo15-ebook.c b/drivers/platform/x86/xo15-ebook.c
index 16d340c3b85..4b1377bd594 100644
--- a/drivers/platform/x86/xo15-ebook.c
+++ b/drivers/platform/x86/xo15-ebook.c
@@ -150,7 +150,7 @@ static int ebook_switch_add(struct acpi_device *device)
return error;
}
-static int ebook_switch_remove(struct acpi_device *device, int type)
+static int ebook_switch_remove(struct acpi_device *device)
{
struct ebook_switch *button = acpi_driver_data(device);
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 72e822e17d4..8813fc03aa0 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -90,7 +90,7 @@ static int pnpacpi_set_resources(struct pnp_dev *dev)
pnp_dbg(&dev->dev, "set resources\n");
handle = DEVICE_ACPI_HANDLE(&dev->dev);
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &acpi_dev))) {
+ if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return -ENODEV;
}
@@ -123,7 +123,7 @@ static int pnpacpi_disable_resources(struct pnp_dev *dev)
dev_dbg(&dev->dev, "disable resources\n");
handle = DEVICE_ACPI_HANDLE(&dev->dev);
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &acpi_dev))) {
+ if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return 0;
}
@@ -145,7 +145,7 @@ static bool pnpacpi_can_wakeup(struct pnp_dev *dev)
acpi_handle handle;
handle = DEVICE_ACPI_HANDLE(&dev->dev);
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &acpi_dev))) {
+ if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return false;
}
@@ -160,7 +160,7 @@ static int pnpacpi_suspend(struct pnp_dev *dev, pm_message_t state)
int error = 0;
handle = DEVICE_ACPI_HANDLE(&dev->dev);
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &acpi_dev))) {
+ if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return 0;
}
@@ -197,7 +197,7 @@ static int pnpacpi_resume(struct pnp_dev *dev)
acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev);
int error = 0;
- if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &acpi_dev))) {
+ if (!handle || acpi_bus_get_device(handle, &acpi_dev)) {
dev_dbg(&dev->dev, "ACPI device not found in %s!\n", __func__);
return -ENODEV;
}
diff --git a/drivers/pnp/pnpbios/Kconfig b/drivers/pnp/pnpbios/Kconfig
index b986d9fa3b9..50c3dd065e0 100644
--- a/drivers/pnp/pnpbios/Kconfig
+++ b/drivers/pnp/pnpbios/Kconfig
@@ -2,8 +2,8 @@
# Plug and Play BIOS configuration
#
config PNPBIOS
- bool "Plug and Play BIOS support (EXPERIMENTAL)"
- depends on ISA && X86 && EXPERIMENTAL
+ bool "Plug and Play BIOS support"
+ depends on ISA && X86
default n
---help---
Linux uses the PNPBIOS as defined in "Plug and Play BIOS
diff --git a/drivers/staging/quickstart/quickstart.c b/drivers/staging/quickstart/quickstart.c
index cac32073814..adb8da564cf 100644
--- a/drivers/staging/quickstart/quickstart.c
+++ b/drivers/staging/quickstart/quickstart.c
@@ -296,7 +296,7 @@ fail_config:
return ret;
}
-static int quickstart_acpi_remove(struct acpi_device *device, int type)
+static int quickstart_acpi_remove(struct acpi_device *device)
{
acpi_status status;
struct quickstart_acpi *quickstart;
diff --git a/drivers/video/backlight/apple_bl.c b/drivers/video/backlight/apple_bl.c
index f088d4c0738..d8432967668 100644
--- a/drivers/video/backlight/apple_bl.c
+++ b/drivers/video/backlight/apple_bl.c
@@ -196,7 +196,7 @@ static int apple_bl_add(struct acpi_device *dev)
return 0;
}
-static int apple_bl_remove(struct acpi_device *dev, int type)
+static int apple_bl_remove(struct acpi_device *dev)
{
backlight_device_unregister(apple_backlight_device);
diff --git a/drivers/xen/xen-acpi-pad.c b/drivers/xen/xen-acpi-pad.c
index da39191e727..c763479ed85 100644
--- a/drivers/xen/xen-acpi-pad.c
+++ b/drivers/xen/xen-acpi-pad.c
@@ -140,8 +140,7 @@ static int acpi_pad_add(struct acpi_device *device)
return 0;
}
-static int acpi_pad_remove(struct acpi_device *device,
- int type)
+static int acpi_pad_remove(struct acpi_device *device)
{
mutex_lock(&xen_cpu_lock);
xen_acpi_pad_idle_cpus(0);