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2011-01-14mfd: Convert MAX8998 driver to irq_ APIMark Brown1-14/+16
The genirq core is being updated to pass struct irq_data to interrupt operations, update the MAX8998 driver to the new API. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert max8925 to new irq_ APIMark Brown1-15/+15
The genirq infrastructure is being converted to pass struct irq_data rather than an irq number to irq_chip operations, update max8925 to the new APIs. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert jz4740-adc to new irq_ methodsMark Brown1-13/+12
Convert the jz4740-adc driver to use the recently introduced IRQ API variants which are passed struct irq_data rather than an IRQ number. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert HTC I2C CPLD driver to irq_ APIMark Brown1-15/+15
The genirq core is being converted to pass a struct irq_data to interrupt operations rather than an IRQ number. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Cory Maccarrone <darkstar6262@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert HTC EGPIO driver to irq_ APIMark Brown1-13/+14
The genirq core is being converted to pass a struct irq_data to interrupt operations rather than an IRQ number. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert ezx-pcap to new irq_ methodsLennert Buytenhek1-10/+10
Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert AB8500 to new irq_ methodsMark Brown1-14/+14
The genirq core is being converted to supply struct irq_data to chips rather than the interrupt number. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert AB3500 to new irq_ APIsMark Brown1-15/+13
The genirq core is being updated to pass struct irq_data rather than irq numbers into chip drivers. As part of the update assignments to NULL for unused operations are removed, these are not needed and the genirq docs should be good enough. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert ASIC3 to new irq_ APIsMark Brown1-28/+28
The interrupt controller APIs are being updated to pass a struct irq_data rather than the interrupt number. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Ian Molton <ian@mnementh.co.uk> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert 88PM860x driver to new irq_ APIsMark Brown1-21/+15
The interrupt controller APIs are being updated to pass a struct irq_data rather than the interrupt number. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Staticise internal functions in HTC I2CCPLD driverMark Brown1-5/+5
Most of these are GPIO operations, though a couple are just internal only functions. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Cory Maccarrone <darkstar6262@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Use NULL to initialise NULL pointers in ab8500-debugfsMark Brown1-7/+7
Partly for coding style reasons, but mostly because sparse warns on it. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Correct ASIC3 IRQ_OWM resource setupMark Brown1-1/+1
We should specify both a start and an end for the IRQ range rather than initialise the start twice. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Staticise unexported symbols in ASIC3Mark Brown1-2/+2
There's no use of either of these outside of the driver so they can be declared static. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Remove tps6586x device ID checkStephen Warren1-7/+1
... and convert it to a dev_info print at probe time. There are many variants of this chip with different values of VERSIONCRC. The set of values is large, and not useful to enumerate. All are SW compatible. The difference lies in default settings of the various power rails, and other similar differences. The driver, or clients of the driver, shouldn't be affected by this, since all rails should be programmed into the desired state in all cases for correct operation. Derived-from-code-by: Andrew Chew <achew@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Fix twl_probe section mismatch warning in mfd/twl-core.cBryan Wu1-1/+1
Fix the following section mismatch warning when building omap2plus_defconfig: WARNING: vmlinux.o(.data+0x47d7c): Section mismatch in reference from the variable twl_driver to the function .init.text:twl_probe() Signed-off-by: Bryan Wu <bryan.wu@canonical.com> Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: ab8500-core ioresources irq for subdrivers addedMattias Wallin2-9/+201
This patch adds the ioresources used by subdrivers to retrieve their interrupt. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: ab8500-core wake up from suspendMattias Wallin1-1/+2
This patch makes the system wake up from suspend when an ab8500 interrupt occur. This can for example be USB cable insert or an RTC alarm. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Export ab8500 chip id to sysfsMattias Wallin1-0/+25
This patch adds a file into sysfs for reading out chip id. It has been requested for modem silent reboot. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Ludovic Barre <ludovic.barre@stericsson.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: ab8500-core improved error handling in get_chip_idMattias Wallin1-2/+6
We check for dev before dereferencing it. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14gpio/misc: Add MODULE_ALIAS entries for CS5535 functionsAndres Salomon2-0/+2
This adds MODULE_ALIAS entries to the various cs5535 subdevice modules; this allows the modules to automatically be loaded when cs5535-mfd loads. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14misc: Convert cs5535-mfgpt from pci device to platform deviceAndres Salomon1-52/+21
The cs5535-mfd driver now takes care of the PCI BAR handling; this simplifies the mfgpt driver a bunch. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14gpio: Convert cs5535 from pci device to platform deviceAndres Salomon1-62/+31
The cs5535-mfd driver now takes care of the PCI BAR handling; this simplifies the gpio driver a lot. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Fix cs5535 warning on x86-64Andres Salomon1-1/+1
ARRAY_SIZE() returns size_t; use %zu instead of %d so that we don't get warnings on x86-64. Signed-off-by: Andres Salomon <dilinger@queued.net> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Implement runtime PM for WM8994 core driverMark Brown1-23/+23
Allow the WM8994 to completely power off, including disabling the LDOs if they are software controlled, when it goes idle. The CODEC subdevice controls activity for the MFD as a whole. If the GPIOs need to be used while the device is active runtime PM should be disabled for the device by machine specific code. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Provide pm_runtime_no_callbacks flag in cell dataMark Brown2-0/+10
Allow MFD cells to have pm_runtime_no_callbacks() called on them during registration. This causes the runtime PM framework to ignore them, allowing use of runtime PM to suspend the device as a whole even if not all drivers for the MFD can usefully implement runtime PM. For example, RTCs are likely to run continuously regardless of the power state of the system. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Fix ab8500-debug indentation errorsMattias Wallin1-508/+508
Replace spaces with proper tabs. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert WM8994 to new irq_ interrupt methodsMark Brown1-15/+17
Kernel 2.6.37 adds new interrupt methods which take a struct irq_data rather than an irq number. Convert over to these as they will become mandatory in future. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert WM835x to new irq_ interrupt methodsMark Brown1-15/+17
Kernel 2.6.37 adds new interrupt methods which take a struct irq_data rather than an irq number. Convert over to these as they will become mandatory in future. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Convert WM831x to new irq_ interrupt methodsMark Brown1-20/+22
Kernel 2.6.37 adds new interrupt methods which take a struct irq_data rather than an irq number. Convert over to these as they will become mandatory in future. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Add WM8326 supportMark Brown4-0/+27
The WM8326 is a high performance variant of the WM832x series with no software visible differences. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Simplify WM832x subdevice instantiationMark Brown1-10/+0
All the current WM832x devices have the same set of subdevices so can just use multiple case statements with a single body. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Use printf extension %pR for struct resourceJoe Perches1-5/+2
Using %pR standardizes the struct resource output. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Add cs5535-mfd driver for AMD Geode's CS5535/CS5536 supportAndres Salomon3-0/+160
Add an MFD driver to handle the ISA device on CS5535 and CS5536 southbridges. This ISA bridge is actually multiple devices: GPIOs, MFGPTs, etc. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Don't open-code mc13xxx_unlockUwe Kleine-König1-1/+1
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Include <linux/gpio.h> instead of <asm/gpio.h>Axel Lin1-1/+1
As warned by checkpatch.pl, use #include <linux/gpio.h> instead of <asm/gpio.h>. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Include <linux/io.h> instead of <asm/io.h>Axel Lin1-1/+1
As warned by checkpatch.pl, use #include <linux/io.h> instead of <asm/io.h> Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-14mfd: Update WARN usesJoe Perches1-3/+2
Remove KERN_<level>. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-01-13Merge branch 'release' of ↵Linus Torvalds84-1611/+3373
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: (59 commits) ACPI / PM: Fix build problems for !CONFIG_ACPI related to NVS rework ACPI: fix resource check message ACPI / Battery: Update information on info notification and resume ACPI: Drop device flag wake_capable ACPI: Always check if _PRW is present before trying to evaluate it ACPI / PM: Check status of power resources under mutexes ACPI / PM: Rename acpi_power_off_device() ACPI / PM: Drop acpi_power_nocheck ACPI / PM: Drop acpi_bus_get_power() Platform / x86: Make fujitsu_laptop use acpi_bus_update_power() ACPI / Fan: Rework the handling of power resources ACPI / PM: Register power resource devices as soon as they are needed ACPI / PM: Register acpi_power_driver early ACPI / PM: Add function for updating device power state consistently ACPI / PM: Add function for device power state initialization ACPI / PM: Introduce __acpi_bus_get_power() ACPI / PM: Introduce function for refcounting device power resources ACPI / PM: Add functions for manipulating lists of power resources ACPI / PM: Prevent acpi_power_get_inferred_state() from making changes ACPICA: Update version to 20101209 ...
2011-01-13Merge branch 'idle-release' of ↵Linus Torvalds13-113/+145
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6 * 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6: cpuidle/x86/perf: fix power:cpu_idle double end events and throw cpu_idle events from the cpuidle layer intel_idle: open broadcast clock event cpuidle: CPUIDLE_FLAG_CHECK_BM is omap3_idle specific cpuidle: CPUIDLE_FLAG_TLB_FLUSHED is specific to intel_idle cpuidle: delete unused CPUIDLE_FLAG_SHALLOW, BALANCED, DEEP definitions SH, cpuidle: delete use of NOP CPUIDLE_FLAGS_SHALLOW cpuidle: delete NOP CPUIDLE_FLAG_POLL ACPI: processor_idle: delete use of NOP CPUIDLE_FLAGs cpuidle: Rename X86 specific idle poll state[0] from C0 to POLL ACPI, intel_idle: Cleanup idle= internal variables cpuidle: Make cpuidle_enable_device() call poll_idle_init() intel_idle: update Sandy Bridge core C-state residency targets
2011-01-13Merge branch 'sfi-release' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-sfi-2.6 * 'sfi-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-sfi-2.6: SFI: use ioremap_cache() instead of ioremap()
2011-01-13Merge branch 'vfs-scale-working' of ↵Linus Torvalds6-14/+40
git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin * 'vfs-scale-working' of git://git.kernel.org/pub/scm/linux/kernel/git/npiggin/linux-npiggin: fs: fix do_last error case when need_reval_dot nfs: add missing rcu-walk check fs: hlist UP debug fixup fs: fix dropping of rcu-walk from force_reval_path fs: force_reval_path drop rcu-walk before d_invalidate fs: small rcu-walk documentation fixes Fixed up trivial conflicts in Documentation/filesystems/porting
2011-01-14fs: fix do_last error case when need_reval_dotJ. R. Okajima1-4/+6
When open(2) without O_DIRECTORY opens an existing dir, it should return EISDIR. In do_last(), the variable 'error' is initialized EISDIR, but it is changed by d_revalidate() which returns any positive to represent 'the target dir is valid.' Should we keep and return the initialized 'error' in this case. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-14nfs: add missing rcu-walk checkNick Piggin1-1/+5
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-13Merge branch 'stable/gntdev' of ↵Linus Torvalds10-371/+1408
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/gntdev' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/p2m: Fix module linking error. xen p2m: clear the old pte when adding a page to m2p_override xen gntdev: use gnttab_map_refs and gnttab_unmap_refs xen: introduce gnttab_map_refs and gnttab_unmap_refs xen p2m: transparently change the p2m mappings in the m2p override xen/gntdev: Fix circular locking dependency xen/gntdev: stop using "token" argument xen: gntdev: move use of GNTMAP_contains_pte next to the map_op xen: add m2p override mechanism xen: move p2m handling to separate file xen/gntdev: add VM_PFNMAP to vma xen/gntdev: allow usermode to map granted pages xen: define gnttab_set_map_op/unmap_op Fix up trivial conflict in drivers/xen/Kconfig
2011-01-13Merge branch 'stable/platform-pci-fixes' of ↵Linus Torvalds3-16/+10
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/platform-pci-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen-platform: Fix compile errors if CONFIG_PCI is not enabled. xen: rename platform-pci module to xen-platform-pci. xen-platform: use PCI interfaces to request IO and MEM resources.
2011-01-14fs: hlist UP debug fixupNick Piggin2-3/+5
Po-Yu Chuang <ratbert.chuang@gmail.com> noticed that hlist_bl_set_first could crash on a UP system when LIST_BL_LOCKMASK is 0, because LIST_BL_BUG_ON(!((unsigned long)h->first & LIST_BL_LOCKMASK)); always evaulates to true. Fix the expression, and also avoid a dependency between bit spinlock implementation and list bl code (list code shouldn't know anything except that bit 0 is set when adding and removing elements). Eventually if a good use case comes up, we might use this list to store 1 or more arbitrary bits of data, so it really shouldn't be tied to locking either, but for now they are helpful for debugging. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-14fs: fix dropping of rcu-walk from force_reval_pathNick Piggin1-0/+8
As J. R. Okajima noted, force_reval_path passes in the same dentry to d_revalidate as the one in the nameidata structure (other callers pass in a child), so the locking breaks. This can oops with a chrooted nfs mount, for example. Similarly there can be other problems with revalidating a dentry which is already in nameidata of the path walk. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-14fs: force_reval_path drop rcu-walk before d_invalidateNick Piggin1-0/+10
d_revalidate can return in rcu-walk mode even when it returns 0. We can't just call any old dcache function on rcu-walk dentry (the dentry is unstable, so even through d_lock can safely be taken, the result may no longer be what we expect -- careful re-checks would be required). So just drop rcu in this case. (I missed this conversion when switching to the rcu-walk convention that Linus suggested) Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2011-01-14fs: small rcu-walk documentation fixesNick Piggin2-6/+6
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
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