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It makes sense to do all the voltage configuration in the one split
out function.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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This allows constraints to take effect on regulators that support
voltage setting but for which the board does not specify a voltage
range (for example, because it is fixed correctly at system startup).
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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If we're going to log an error we may as well log what the error
code that we're failing on is.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Hi Liam,
Since Samuel merged a new version of mfd 88pm8607 driver, I format a
new patch on regulator 88pm8607. I paste the new patch in mail. Please
help to review again. And I also attach the mfd driver in mail.
From: Haojian Zhuang <haojian.zhuang@marvell.com>
Date: Thu, 8 Oct 2009 09:36:53 -0400
Subject: [PATCH] regulator: Add 88PM8607 PMIC driver
This patch adds regulator drivers for Marvell 88PM8607 PMIC.
This controller contains 3 DVC and 14 LDO regulators. This controller
uses I2C interface.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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The BuckWise DC-DC convertors in WM831x devices support switching to
a second output voltage using the logic level on one of the device
pins. This is intended to allow rapid voltage switching for uses like
cpufreq, replacing the I2C or SPI write used to configure the voltage
of the regulator with a much faster GPIO status change.
This is implemented by keeping the DVS voltage configured as the
maximum voltage permitted for the regulator. If a request is made
for the maximum voltage then the GPIO is used to switch to the DVS
voltage, otherwise the normal ON voltage is updated and used. This
follows the idiom used by most cpufreq drivers, which drop the
minimum voltage as the core frequency is dropped but use a constant
maximum - raising the voltage should normally be fast, but lowering
it may be slower.
Configuration of the DVS MFP on the device should be done externally,
for example via OTP.
Support is present in the hardware for monitoring the status of the
transition using a second GPIO. This is not currently implemented
but platform data is provided for it - the driver currently assumes
that the device will be configured to transition immediately - but
platform data is provided to reduce merge issues once it is.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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Tested with a MX25-based custom board.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-vmware-staging' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/vmwgfx: Add DRM driver for VMware Virtual GPU
drm/vmwgfx: Add svga headers for vmwgfx driver
drm/ttm: Add more driver type enums
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git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6
* 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: (34 commits)
HWPOISON: Remove stray phrase in a comment
HWPOISON: Try to allocate migration page on the same node
HWPOISON: Don't do early filtering if filter is disabled
HWPOISON: Add a madvise() injector for soft page offlining
HWPOISON: Add soft page offline support
HWPOISON: Undefine short-hand macros after use to avoid namespace conflict
HWPOISON: Use new shake_page in memory_failure
HWPOISON: Use correct name for MADV_HWPOISON in documentation
HWPOISON: mention HWPoison in Kconfig entry
HWPOISON: Use get_user_page_fast in hwpoison madvise
HWPOISON: add an interface to switch off/on all the page filters
HWPOISON: add memory cgroup filter
memcg: add accessor to mem_cgroup.css
memcg: rename and export try_get_mem_cgroup_from_page()
HWPOISON: add page flags filter
mm: export stable page flags
HWPOISON: limit hwpoison injector to known page types
HWPOISON: add fs/device filters
HWPOISON: return 0 to indicate success reliably
HWPOISON: make semantics of IGNORED/DELAYED clear
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (117 commits)
ACPI processor: Fix section mismatch for processor_add()
ACPI: Add platform-wide _OSC support.
ACPI: cleanup pci_root _OSC code.
ACPI: Add a generic API for _OSC -v2
msi-wmi: depend on backlight and fix corner-cases problems
msi-wmi: switch to using input sparse keymap library
msi-wmi: replace one-condition switch-case with if statement
msi-wmi: remove unused field 'instance' in key_entry structure
msi-wmi: remove custom runtime debug implementation
msi-wmi: rework init
msi-wmi: remove useless includes
X86 drivers: Introduce msi-wmi driver
Toshiba Bluetooth Enabling driver (RFKill handler v3)
ACPI: fix for lapic_timer_propagate_broadcast()
acpi_pad: squish warning
ACPI: dock: minor whitespace and style cleanups
ACPI: dock: add struct dock_station * directly to platform device data
ACPI: dock: dock_add - hoist up platform_device_register_simple()
ACPI: dock: remove global 'dock_device_name'
ACPI: dock: combine add|alloc_dock_dependent_device (v2)
...
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (38 commits)
direct I/O fallback sync simplification
ocfs: stop using do_sync_mapping_range
cleanup blockdev_direct_IO locking
make generic_acl slightly more generic
sanitize xattr handler prototypes
libfs: move EXPORT_SYMBOL for d_alloc_name
vfs: force reval of target when following LAST_BIND symlinks (try #7)
ima: limit imbalance msg
Untangling ima mess, part 3: kill dead code in ima
Untangling ima mess, part 2: deal with counters
Untangling ima mess, part 1: alloc_file()
O_TRUNC open shouldn't fail after file truncation
ima: call ima_inode_free ima_inode_free
IMA: clean up the IMA counts updating code
ima: only insert at inode creation time
ima: valid return code from ima_inode_alloc
fs: move get_empty_filp() deffinition to internal.h
Sanitize exec_permission_lite()
Kill cached_lookup() and real_lookup()
Kill path_lookup_open()
...
Trivial conflicts in fs/direct-io.c
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
PM: rwsem.h need not be included into main.c
PM: Remove unnecessary goto from device_resume_noirq()
PM: Add initcall_debug style timing for suspend/resume
PM: allow for usage_count > 0 in pm_runtime_get()
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Due to the merge of processor_start() (declared with __cpuinit) into
processor_add(), a section mismatch warning appears:
WARNING: drivers/built-in.o(.text+0x4d59d): Section mismatch in reference
from the function acpi_processor_add() to the function
.cpuinit.text:acpi_processor_power_init()
...
This patch fixes the warning by declaring processor_add() as __cpuinit
and also declares acpi_processor_add_fs() as __cpuinit as it is only
used in acpi_processor_add().
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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v2->v1:
.improve debug info as suggedted by Bjorn,Kenji
.API is using uuid string as suggested by Alexey
Add an API to execute _OSC. A lot of devices can have this method, so add a
generic API.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (88 commits)
Blackfin: Convert BUG() to use unreachable()
Blackfin: define __NR_recvmmsg
Blackfin: drop duplicate sched_clock
Blackfin: NOMPU: skip DMA ICPLB hole when it is redundant
Blackfin: MPU: add missing __init markings
Blackfin: add support for TIF_NOTIFY_RESUME
Blackfin: kgdb_test: clean up code a bit
Blackfin: convert kgdbtest to proc_fops
Blackfin: convert cyc2ns() to clocksource_cyc2ns()
Blackfin: ip0x: pull in asm/portmux.h for P_xxx defines
Blackfin: drop unused ax88180 resources
Blackfin: bf537-stamp: add ADF702x network driver resources
Blackfin: bf537-stamp: add CAN resources
Blackfin: bf537-stamp: add AD5258 i2c address
Blackfin: bf537-stamp: add adau1761 i2c address
Blackfin: bf537-stamp: add adau1371 i2c address
Blackfin: bf537-stamp: add ADP8870 resources
Blackfin: bf537-stamp: kill AD714x board-specific Kconfigs
Blackfin: bf537-stamp: update ADP5520 resources
Blackfin: bf537-stamp: add ADXL346 orientation sensing support
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (26 commits)
net: sh_eth alignment fix for sh7724 using NET_IP_ALIGN V2
ixgbe: allow tx of pre-formatted vlan tagged packets
ixgbe: Fix 82598 premature copper PHY link indicatation
ixgbe: Fix tx_restart_queue/non_eop_desc statistics counters
bcm63xx_enet: fix compilation failure after get_stats_count removal
packet: dont call sleeping functions while holding rcu_read_lock()
tcp: Revert per-route SACK/DSACK/TIMESTAMP changes.
ipvs: zero usvc and udest
netfilter: fix crashes in bridge netfilter caused by fragment jumps
ipv6: reassembly: use seperate reassembly queues for conntrack and local delivery
sky2: leave PCI config space writeable
sky2: print Optima chip name
x25: Update maintainer.
ipvs: fix synchronization on connection close
netfilter: xtables: document minimal required version
drivers/net/bonding/: : use pr_fmt
can: CAN_MCP251X should depend on HAS_DMA
drivers/net/usb: Correct code taking the size of a pointer
drivers/net/cpmac.c: Correct code taking the size of a pointer
drivers/net/sfc: Correct code taking the size of a pointer
...
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (45 commits)
RDMA/cxgb3: Fix error paths in post_send and post_recv
RDMA/nes: Fix stale ARP issue
RDMA/nes: FIN during MPA startup causes timeout
RDMA/nes: Free kmap() resources
RDMA/nes: Check for zero STag
RDMA/nes: Fix Xansation test crash on cm_node ref_count
RDMA/nes: Abnormal listener exit causes loopback node crash
RDMA/nes: Fix crash in nes_accept()
RDMA/nes: Resource not freed for REJECTed connections
RDMA/nes: MPA request/response error checking
RDMA/nes: Fix query of ORD values
RDMA/nes: Fix MAX_CM_BUFFER define
RDMA/nes: Pass correct size to ioremap_nocache()
RDMA/nes: Update copyright and branding string
RDMA/nes: Add max_cqe check to nes_create_cq()
RDMA/nes: Clean up struct nes_qp
RDMA/nes: Implement IB_SIGNAL_ALL_WR as an iWARP extension
RDMA/nes: Add additional SFP+ PHY uC status check and PHY reset
RDMA/nes: Correct fast memory registration implementation
IB/ehca: Fix error paths in post_send and post_recv
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (22 commits)
Input: ALPS - add interleaved protocol support (Dell E6x00 series)
Input: keyboard - don't override beep with a bell
Input: altera_ps2 - fix test of unsigned in altera_ps2_probe()
Input: add mc13783 touchscreen driver
Input: ep93xx_keypad - update driver to new core support
Input: wacom - separate pen from express keys on Graphire
Input: wacom - add defines for data packet report IDs
Input: wacom - add support for new LCD tablets
Input: wacom - add defines for packet lengths of various devices
Input: wacom - ensure the device is initialized properly upon resume
Input: at32psif - do not sleep in atomic context
Input: i8042 - add Gigabyte M1022M to the noloop list
Input: i8042 - allow installing platform filters for incoming data
Input: i8042 - fix locking in interrupt routine
Input: ALPS - do not set REL_X/REL_Y capabilities on the touchpad
Input: document use of input_event() function
Input: sa1111ps2 - annotate probe() and remove() methods
Input: ambakmi - annotate probe() and remove() methods
Input: gscps2 - fix probe() and remove() annotations
Input: altera_ps2 - add annotations to probe and remove methods
...
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/radeon/kms: fix r100->r500 CS checker for compressed textures. (v2)
drm/radeon/kms: allow for texture tiling
drm/radeon/kms: init pm on all chipsets
drm/radeon/kms: HDMI support for R600 KMS
drm/radeon/kms: make sure mc is initialized before mapping blit bo
drm/radeon/kms: Return to userspace on ERESTARTSYS
drm/radeon/gem: don't leak a gem object if reserve fails on get tiling (v2)
drm/radeon/kms: don't report allocate failure on ERESTARTSYS
drm/radeon/kms: Check if bo we got from ttm are radeon object or not
drm/radeon/kms: If no placement is supplied fallback to system
drm/ttm: Fix memory type manager debug information printing
drm/ttm: Fix printk format & compute bo->mem.size at bo initialization
drm/ttm: Fix potential ttm_mem_evict_first races.
drm/ttm: Delayed delete fixes.
drm/ttm: fix two bugs in new placement routines.
drm/ttm: fix incorrect logic in ttm_bo_io path
drm/nouveau: remove use of -ERESTART
nouveau: Fix endianness with new context program loader
drm/nouveau: fix build with CONFIG_AGP=n
drm/nouveau: fix ch7006 build
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* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (33 commits)
sh: Fix test of unsigned in se7722_irq_demux()
sh: mach-ecovec24: Add FSI sound support
sh: mach-ecovec24: Add mt9t112 camera support
sh: mach-ecovec24: Add tw9910 support
sh: MSIOF/mmc_spi platform data for the Ecovec24 board
sh: ms7724se: Add ak4642 support
sh: Fix up FPU build for SH5
sh: Remove old early serial console code V2
sh: sh5 scif pdata (sh5-101/sh5-103)
sh: sh4a scif pdata (sh7757/sh7763/sh7770/sh7780/sh7785/sh7786/x3)
sh: sh4a scif pdata (sh7343/sh7366/sh7722/sh7723/sh7724)
sh: sh4 scif pdata (sh7750/sh7760/sh4-202)
sh: sh3 scif pdata (sh7705/sh770x/sh7710/sh7720)
sh: sh2a scif pdata (sh7201/sh7203/sh7206/mxg)
sh: sh2 scif pdata (sh7616)
sh-sci: Extend sh-sci driver with early console V2
sh: Stub in P3 ioremap support for nommu parts.
sh: wire up vmallocinfo support in ioremap() implementations.
sh: Make the unaligned trap handler always obey notification levels.
sh: Couple kernel and user write page perm bits for CONFIG_X2TLB
...
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git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx:
ppc440spe-adma: adds updated ppc440spe adma driver
iop-adma.c: use resource_size()
dmaengine: clarify the meaning of the DMA_CTRL_ACK flag
sh: stylistic improvements for the DMA driver
dmaengine: fix dmatest to verify minimum transfer length and test buffer size
sh: DMA driver has to specify its alignment requirements
Add COH 901 318 DMA block driver v5
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* git://git.infradead.org/mtd-2.6: (90 commits)
jffs2: Fix long-standing bug with symlink garbage collection.
mtd: OneNAND: Fix test of unsigned in onenand_otp_walk()
mtd: cfi_cmdset_0002, fix lock imbalance
Revert "mtd: move mxcnd_remove to .exit.text"
mtd: m25p80: add support for Macronix MX25L4005A
kmsg_dump: fix build for CONFIG_PRINTK=n
mtd: nandsim: add support for 4KiB pages
mtd: mtdoops: refactor as a kmsg_dumper
mtd: mtdoops: make record size configurable
mtd: mtdoops: limit the maximum mtd partition size
mtd: mtdoops: keep track of used/unused pages in an array
mtd: mtdoops: several minor cleanups
core: Add kernel message dumper to call on oopses and panics
mtd: add ARM pismo support
mtd: pxa3xx_nand: Fix PIO data transfer
mtd: nand: fix multi-chip suspend problem
mtd: add support for switching old SST chips into QRY mode
mtd: fix M29W800D dev_id and uaddr
mtd: don't use PF_MEMALLOC
mtd: Add bad block table overrides to Davinci NAND driver
...
Fixed up conflicts (mostly trivial) in
drivers/mtd/devices/m25p80.c
drivers/mtd/maps/pcmciamtd.c
drivers/mtd/nand/pxa3xx_nand.c
kernel/printk.c
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git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
parisc: Fixup last users of irq_chip->typename
parisc: convert /proc/pdc/{lcd,led} to seq_file
parisc: Convert BUG() to use unreachable()
parisc: Replace old style lock init in smp.c
parisc: use sort() instead of home-made implementation (v2)
parisc: add CALLER_ADDR{0-6} macros
parisc: remove unused IRQSTAT_SIRQ_PEND and IRQSTAT_SZ defines
parisc: remove duplicated #include
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* git://git.infradead.org/iommu-2.6:
implement early_io{re,un}map for ia64
Revert "Intel IOMMU: Avoid memory allocation failures in dma map api calls"
intel-iommu: ignore page table validation in pass through mode
intel-iommu: Fix oops with intel_iommu=igfx_off
intel-iommu: Check for an RMRR which ends before it starts.
intel-iommu: Apply BIOS sanity checks for interrupt remapping too.
intel-iommu: Detect DMAR in hyperspace at probe time.
dmar: Fix build failure without NUMA, warn on bogus RHSA tables and don't abort
iommu: Allocate dma-remapping structures using numa locality info
intr_remap: Allocate intr-remapping table using numa locality info
dmar: Allocate queued invalidation structure using numa locality info
dmar: support for parsing Remapping Hardware Static Affinity structure
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
edac, mce, amd: silence GART TLB errors
edac, mce: correct corenum reporting
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (116 commits)
V4L/DVB (13698): pms: replace asm/uaccess.h to linux/uaccess.h
V4L/DVB (13690): radio/si470x: #include <sched.h>
V4L/DVB (13688): au8522: modify the attributes of local filter coefficients
V4L/DVB (13687): cx231xx: use NULL when pointer is needed
V4L/DVB: Davinci VPFE Capture: remove unused #include <linux/version.h>
V4L/DVB (13685): Correct code taking the size of a pointer
V4L/DVB (13684): Fix some cut-and-paste noise in dib0090.h
V4L/DVB (13683): sanio-ms: clean up init, exit and id_table
V4L/DVB (13682): dib8000: make some constant static
V4L/DVB: lgs8gxx: Use shifts rather than multiply/divide when possible
V4L/DVB (13680b): DocBook/media: create links for included sources
V4L/DVB (13680a): DocBook/media: copy images after building HTML
V4L/DVB (13678): Add support for yet another DvbWorld, TeVii and Prof USB devices
V4L/DVB (13676): configurable IRQ mode on NetUP Dual DVB-S2 CI; IRQ from CAM processing (CI interface works faster)
V4L/DVB (13674): stv090x: Add DiSEqC envelope mode
V4L/DVB (13673): lnbp21: Implement 22 kHz tone control
V4L/DVB (13671): sh_mobile_ceu_camera: Remove frame size page alignment
V4L/DVB (13670): soc-camera: Add mt9t112 camera driver
V4L/DVB (13669): tw9910: Add sync polarity support
V4L/DVB (13668): tw9910: remove cropping
...
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Now depends on BACKLIGHT_CLASS_DEVICE.
Driver will return an error if it can't get actual backlight value
Fix remapping of brightness keys when backlight is not controlled by ACPI.
Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Len Brown <len.brown@intel.com>
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Rely on DYNAMIC_DEBUG instead if needed
Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Len Brown <len.brown@intel.com>
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There should be less code duplication with usage of gotos
Driver won't load if there's no hardware to control
Safer error handling at input driver allocation
Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Len Brown <len.brown@intel.com>
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This driver serves backlight (including switching) and volume up/down
keys for MSI machines providing a specific wmi interface:
551A1F84-FBDD-4125-91DB-3EA8F44F1D45
B6F3EEF2-3D2F-49DC-9DE3-85BCE18C62F2
Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: Carlos Corbacho <carlos@strangeworlds.co.uk>
CC: Matthew Garrett <mjg59@srcf.ucam.org>
Tested-by: Matt Chen <machen@novell.com>
Reviewed-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Len Brown <len.brown@intel.com>
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* don't reinvent the wheels, please - open_bdev_exclusive() is there
for purpose
* both open_by_devnum() and open_bdev_exclusive() return ERR_PTR(...)
upon error, not NULL
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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... and have the caller grab both mnt and dentry; kill
leak in infiniband, while we are at it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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This patch adds support for the ACPI events generated by the RFKill
switch on modern Toshiba laptops, and re-enables the Bluetooth USB
device when the switch is flipped back to the 'on' position.
The RFKill switch brute force pulls out the USB device when flipped to
'off', but it doesn't automatically re-enable it. Without this driver,
the Bluetooth is gone until after a reboot on my Portege R500.
Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Although reporting of benign GART TLB errors is disabled in
__mcheck_cpu_apply_quirks, those are still being logged, and, as a
result, trip up amd64_edac. Pull up reporting check so that machines
with loaded edac module bail out early and don't spit fragments into
dmesg.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Roland Dreier <rolandd@cisco.com>
Cc: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Lothar Wassmann <LW@KARO-electronics.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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GRU Message queue instructions are used to deliver messages to other SSIs
within the numalink domain. In most cases, a single GRU mesq instruction
will deliver both the message AND an interrupt to notify the other SSI
that a messsage is present. In some cases, however, the interrupt must be
sent explicitly.
To improve resilency, the GRU driver should send these explicit interrupts
using the GRU to write the remote chipset register. Current code sends
the interrupt using a cpu instruction to write the chipset register.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update the version number of the GRU driver.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update the TLB dropin statistics kept for each GRU context. Count TLB
dropins separate from the misses - some misses do not result in a TLB
dropin. Some of the diagnostics need both counts.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix a race where an interrupt could be received for a GRU context that has
been deallocated.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add support for hugepages. Easier than I originally thought.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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