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2012-04-05simple_open: automatically convert to simple_open()Stephen Boyd2-15/+2
Many users of debugfs copy the implementation of default_open() when they want to support a custom read/write function op. This leads to a proliferation of the default_open() implementation across the entire tree. Now that the common implementation has been consolidated into libfs we can replace all the users of this function with simple_open(). This replacement was done with the following semantic patch: <smpl> @ open @ identifier open_f != simple_open; identifier i, f; @@ -int open_f(struct inode *i, struct file *f) -{ ( -if (i->i_private) -f->private_data = i->i_private; | -f->private_data = i->i_private; ) -return 0; -} @ has_open depends on open @ identifier fops; identifier open.open_f; @@ struct file_operations fops = { ... -.open = open_f, +.open = simple_open, ... }; </smpl> [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-27Merge branch 'platforms' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds6-323/+447
Pull ARM platform updates from Russell King: "This covers platform stuff for platforms I have a direct interest in (iow, I have the hardware). Essentially: - as we no longer support any other Acorn platforms other than RiscPC anymore, we can collect all that code into mach-rpc. - convert Acorn expansion card stuff to use IRQ allocation functions, and get rid of NO_IRQ from there. - cleanups to the ebsa110 platform to move some private stuff out of its header files. - large amount of SA11x0 updates: - conversion of private DMA implementation to DMA engine support (this actually gives us greater flexibility in drivers over the old API.) - re-worked ucb1x00 updates - convert to genirq, remove sa11x0 dependencies, fix various minor issues - move platform specific sa11x0 framebuffer data into platform files in arch/arm instead of keeping this in the driver itself - update sa11x0 IrDA driver for DMA engine, and allow it to use DMA for SIR transmissions as well as FIR - rework sa1111 support for genirq, and irq allocation - fix sa1111 IRQ support so it works again - use sparse IRQ support After this, I have one more pull request remaining from my current set, which I think is going to be the most problematical as it generates 8 conflicts." Fixed up the trivial conflict in arch/arm/mach-rpc/Makefile as per Russell. * 'platforms' of git://git.linaro.org/people/rmk/linux-arm: (125 commits) ARM: 7343/1: sa11x0: convert to sparse IRQ ARM: 7342/2: sa1100: prepare for sparse irq conversion ARM: 7341/1: input: prepare jornada720 keyboard and ts for sa11x0 sparse irq ARM: 7340/1: rtc: sa1100: include mach/irqs.h instead of asm/irq.h ARM: sa11x0: remove unused DMA controller definitions ARM: sa11x0: remove old SoC private DMA driver USB: sa1111: add hcd .reset method USB: sa1111: add OHCI shutdown methods USB: sa1111: reorganize ohci-sa1111.c USB: sa1111: get rid of nasty printk(KERN_DEBUG "%s: ...", __FILE__) USB: sa1111: sparse and checkpatch cleanups ARM: sa11x0: don't static map sa1111 ARM: sa1111: use dev_err() rather than printk() ARM: sa1111: cleanup sub-device registration and unregistration ARM: sa1111: only setup DMA for DMA capable devices ARM: sa1111: register sa1111 devices with dmabounce in bus notifier ARM: sa1111: move USB interface register definitions to ohci-sa1111.c ARM: sa1111: move PCMCIA interface register definitions to sa1111_generic.c ARM: sa1111: move PS/2 interface register definitions to sa1111p2.c ARM: sa1111: delete unused physical GPIO register definitions ...
2012-03-25Merge branch 'sa11x0-mcp' into sa11x0Russell King6-323/+447
Conflicts: arch/arm/mach-sa1100/assabet.c arch/arm/mach-sa1100/collie.c arch/arm/mach-sa1100/generic.c arch/arm/mach-sa1100/lart.c arch/arm/mach-sa1100/shannon.c
2012-03-24Merge tag 'device-for-3.4' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux Pull <linux/device.h> avoidance patches from Paul Gortmaker: "Nearly every subsystem has some kind of header with a proto like: void foo(struct device *dev); and yet there is no reason for most of these guys to care about the sub fields within the device struct. This allows us to significantly reduce the scope of headers including headers. For this instance, a reduction of about 40% is achieved by replacing the include with the simple fact that the device is some kind of a struct. Unlike the much larger module.h cleanup, this one is simply two commits. One to fix the implicit <linux/device.h> users, and then one to delete the device.h includes from the linux/include/ dir wherever possible." * tag 'device-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: device.h: audit and cleanup users in main include dir device.h: cleanup users outside of linux/include (C files)
2012-03-22Merge tag 'regmap-3.4' of ↵Linus Torvalds5-34/+89
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap updates from Mark Brown: "Things are really quieting down with the regmap API, while we're still seeing a trickle of new features coming in they're getting much smaller than they were. It's also nice to have some features which support other subsystems building infrastructure on top of regmap. Highlights include: - Support for padding between the register and the value when interacting with the device, sometimes needed for fast interfaces. - Support for applying register updates to the device when restoring the register state. This is intended to be used to apply updates supplied by manufacturers for tuning the performance of the device (many of which are to undocumented registers which aren't otherwise covered). - Support for multi-register operations on cached registers. - Support for syncing only part of the register cache. - Stubs and parameter query functions intended to make it easier for other subsystems to build infrastructure on top of the regmap API. plus a few driver updates making use of the new features which it was easier to merge via this tree." * tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (41 commits) regmap: Fix future missing prototype of devres_alloc() and friends regmap: Rejig struct declarations for stubbed API regmap: Fix rbtree block base in sync regcache: Make sure we sync register 0 in an rbtree cache regmap: delete unused module.h from drivers/base/regmap files regmap: Add stub for regcache_sync_region() mfd: Improve performance of later WM1811 revisions regmap: Fix x86_64 breakage regmap: Allow drivers to sync only part of the register cache regmap: Supply ranges to the sync operations regmap: Add tracepoints for cache only and cache bypass regmap: Mark the cache as clean after a successful sync regmap: Remove default cache sync implementation regmap: Skip hardware defaults for LZO caches regmap: Expose the driver name in debugfs mfd: wm8400: Convert to devm_regmap_init_i2c() mfd: wm831x: Convert to devm_regmap_init() mfd: wm8994: Convert to devm_regmap_init() mfd/ASoC: Convert WM8994 driver to use regmap patches mfd: Add __devinit and __devexit annotations in wm8994 ...
2012-03-21Merge tag 'regulator-3.4' of ↵Linus Torvalds1-5/+44
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator updates for 3.4 from Mark Brown: "This has been a fairly quiet release from a regulator point of view, the only real framework features added were devm support and a convenience helper for setting up fixed voltage regulators. We also added a couple of drivers (but will drop the BQ240022 driver via the arm-soc tree as it's been replaced by the more generic gpio-regulator driver) and Axel Lin continued his relentless and generally awesome stream of fixes and cleanups." * tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (93 commits) regulator: Fix up a confusing dev_warn when DT lookup fails regulator: Convert tps6507x to set_voltage_sel regulator: Refactor tps6507x to use one tps6507x_pmic_ops for all LDOs and DCDCs regulator: Make s5m8767_get_voltage_register always return correct register regulator: s5m8767: Check pdata->buck[2|3|4]_gpiodvs earlier regulator: tps65910: Provide settling time for DCDC voltage change regulator: Add Anatop regulator driver regulator: Simplify implementation of tps65912_get_voltage_dcdc regulator: Use tps65912_set_voltage_sel for both DCDCx and LDOx regulator: tps65910: Provide settling time for enabling rails regulator: max8925: Use DIV_ROUND_UP macro regulator: tps65912: Use simple equations to get register address regulator: Fix the logic of tps65910_get_mode regulator: Merge tps65217_pmic_ldo234_ops and tps65217_pmic_dcdc_ops to tps65217_pmic_ops regulator: Use DIV_ROUND_CLOSEST in wm8350_isink_get_current regulator: Use array to store dcdc_range settings for tps65912 regulator: Rename s5m8767_convert_voltage to s5m8767_convert_voltage_to_sel regulator: tps6524x: Remove unneeded comment for N_REGULATORS regulator: Rename set_voltage_sel callback function name to *_sel regulator: Fix s5m8767_set_voltage_time_sel calculation value ...
2012-03-21Merge tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds2-16/+7
Pull irq_domain support for all architectures from Grant Likely: "Generialize powerpc's irq_host as irq_domain This branch takes the PowerPC irq_host infrastructure (reverse mapping from Linux IRQ numbers to hardware irq numbering), generalizes it, renames it to irq_domain, and makes it available to all architectures. Originally the plan has been to create an all-new irq_domain implementation which addresses some of the powerpc shortcomings such as not handling 1:1 mappings well, but doing that proved to be far more difficult and invasive than generalizing the working code and refactoring it in-place. So, this branch rips out the 'new' irq_domain and replaces it with the modified powerpc version (in a fully bisectable way of course). It converts all users over to the new API and makes irq_domain selectable on any architecture. No architecture is forced to enable irq_domain, but the infrastructure is required for doing OpenFirmware style irq translations. It will even work on SPARC even though SPARC has it's own mechanism for translating irqs at boot time. MIPS, microblaze, embedded x86 and c6x are converted too. The resulting irq_domain code is probably still too verbose and can be optimized more, but that can be done incrementally and is a task for follow-on patches." * tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6: (31 commits) dt: fix twl4030 for non-dt compile on x86 mfd: twl-core: Add IRQ_DOMAIN dependency devicetree: Add empty of_platform_populate() for !CONFIG_OF_ADDRESS (sparc) irq_domain: Centralize definition of irq_dispose_mapping() irq_domain/mips: Allow irq_domain on MIPS irq_domain/x86: Convert x86 (embedded) to use common irq_domain ppc-6xx: fix build failure in flipper-pic.c and hlwd-pic.c irq_domain/microblaze: Convert microblaze to use irq_domains irq_domain/powerpc: Replace custom xlate functions with library functions irq_domain/powerpc: constify irq_domain_ops irq_domain/c6x: Use library of xlate functions irq_domain/c6x: constify irq_domain structures irq_domain/c6x: Convert c6x to use generic irq_domain support. irq_domain: constify irq_domain_ops irq_domain: Create common xlate functions that device drivers can use irq_domain: Remove irq_domain_add_simple() irq_domain: Remove 'new' irq_domain in favour of the ppc one mfd: twl-core.c: Fix the number of interrupts managed by twl4030 of/address: add empty static inlines for !CONFIG_OF irq_domain: Add support for base irq and hwirq in legacy mappings ...
2012-03-20Merge branch 'for-linus' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial tree from Jiri Kosina: "It's indeed trivial -- mostly documentation updates and a bunch of typo fixes from Masanari. There are also several linux/version.h include removals from Jesper." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (101 commits) kcore: fix spelling in read_kcore() comment constify struct pci_dev * in obvious cases Revert "char: Fix typo in viotape.c" init: fix wording error in mm_init comment usb: gadget: Kconfig: fix typo for 'different' Revert "power, max8998: Include linux/module.h just once in drivers/power/max8998_charger.c" writeback: fix fn name in writeback_inodes_sb_nr_if_idle() comment header writeback: fix typo in the writeback_control comment Documentation: Fix multiple typo in Documentation tpm_tis: fix tis_lock with respect to RCU Revert "media: Fix typo in mixer_drv.c and hdmi_drv.c" Doc: Update numastat.txt qla4xxx: Add missing spaces to error messages compiler.h: Fix typo security: struct security_operations kerneldoc fix Documentation: broken URL in libata.tmpl Documentation: broken URL in filesystems.tmpl mtd: simplify return logic in do_map_probe() mm: fix comment typo of truncate_inode_pages_range power: bq27x00: Fix typos in comment ...
2012-03-19Merge tag 'topic/twl' into regulator-nextMark Brown1-1/+40
TWL specific changes, cross-merged with OMAP due to arch/arm wanting to use the new ability to override the voltage set and get operations to support the in-CPU voltage management. The other changes are minor fixes, the addition of a few new regulators and device tree support.
2012-03-18Merge remote-tracking branch 'regulator/topic/supply' into regulator-nextMark Brown1-4/+4
2012-03-11mfd: twl-core: regulator configuration for twl6030 V1V8, V2V1 SMPSPeter Ujfalusi1-0/+10
To be able to attach consumers to these supplies from board files we need to have regulator_init_data for them. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11regulator: twl6030: add support for vdd1, vdd2 and vdd3 regulatorsTero Kristo1-0/+15
vdd1 and vdd2 are now common regulators for twl4030 and twl6030. Also added vdd3 as a new regulator for twl6030. twl6030 vdd1...vdd3 smps regulator voltages can only be controlled through the smartreflex voltage channel, thus the support for the voltage_get and set is minimal and requires external controller. Signed-off-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Rajendra Nayak <rnayak@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11regulator: twl4030: add support for external voltage get/setTero Kristo1-1/+15
This is needed for SMPS regulators, which use the OMAP voltage processor for voltage get/set functions instead of the normal I2C channel. For this purpose, regulator_init_data->driver_data contents are expanded, it is now a struct which contains function pointers for the set/get voltage operations, a data pointer for these, and the previously used features bitmask. Signed-off-by: Tero Kristo <t-kristo@ti.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com> [for the MFD part] Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11device.h: cleanup users outside of linux/include (C files)Paul Gortmaker1-0/+1
For files that are actively using linux/device.h, make sure that they call it out. This will allow us to clean up some of the implicit uses of linux/device.h within include/* without introducing build regressions. Yes, this was created by "cheating" -- i.e. the headers were cleaned up, and then the fallout was found and fixed, and then the two commits were reordered. This ensures we don't introduce build regressions into the git history. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2012-03-05dt: fix twl4030 for non-dt compile on x86Grant Likely1-0/+1
twl4030 still doesn't build correctly for x86 allmodconfig. This fix solves the missing symbol errors. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Benoit Cousson <b-cousson@ti.com>
2012-03-01mfd: Correct readability of WM8994 DC servo 4E registerMark Brown1-0/+1
It should be marked as readable but wasn't, breaking DC servo operation. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-29mfd: Improve performance of later WM1811 revisionsMark Brown1-0/+3
Apply tunings from earlier silicon revisions to revisions up to D and also tweak an additional setting for improved DC servo performance. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-02-26mfd: twl-core: Add IRQ_DOMAIN dependencyGrant Likely1-0/+1
TWL4030 depends on IRQ_DOMAIN support, so this patch selects it in Kconfig. It used to be that CONFIG_IRQ_DOMAIN must only be selected by the architecture, but recent cleanups have fixed it so that it is safe to select from anywhere. Signed-off-by: Benoit Cousson <b-cousson@ti.com> [grant.likely: Changed from a depends to a select] Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Cc: Samuel Ortiz <sameo@linux.intel.com>
2012-02-26devicetree: Add empty of_platform_populate() for !CONFIG_OF_ADDRESS (sparc)Grant Likely1-3/+2
Sparc has its own helpers for translating address ranges when the device tree is parsed at boot time, and it isn't able to use of_platform_populate(). However, there are some device drivers that want to use that function on other DT enabled platforms (ie. TWL4030). This patch adds an empty of_platform_populate() implementation that returns an error when CONFIG_OF_ADDRESS is not selected. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Samuel Ortiz <sameo@linux.intel.com>
2012-02-23mfd: Initialize tps65912 irq platform data properlyAxel Lin1-1/+1
irq_base of the tps65912 irq platform data should be initialized with the board provided irq_base data. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-23mfd: Fix ACPI conflict checkJean Delvare1-1/+1
The code is currently always checking the first resource of every device only (several times.) This has been broken since the ACPI check was added in February 2010 in commit 91fedede0338eb6203cdd618d8ece873fdb7c22c. Fix the check to run on each resource individually, once. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: stable@vger.kernel.org Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-22mfd: wm8400: Convert to devm_regmap_init_i2c()Mark Brown1-5/+2
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-22mfd: wm831x: Convert to devm_regmap_init()Mark Brown3-13/+11
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-22mfd: wm8994: Convert to devm_regmap_init()Mark Brown1-10/+8
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-22mfd/ASoC: Convert WM8994 driver to use regmap patchesMark Brown1-1/+60
Early revisions of several of the WM8994 variants have register updates to improve performance. Move these over to using the regmap patch system instead of open coding them in the audio driver. Since the regmap init is done by the MFD the code is moved there. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-22mfd: Add __devinit and __devexit annotations in wm8994Mark Brown1-2/+2
The wm8994_device_init() and wm8994_device_exit() functions were not annotated as device init and exit functions, meaning they shouldn't reference __devinitdata. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Samuel Oritz <sameo@linux.intel.com>
2012-02-22mfd: wm8994: Add __devinit and __devexit annotations for probe and removeMark Brown1-4/+4
Fixes warnings and needed for correctness. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-02-21mfd: Fix ab8500 error path bugLinus Walleij1-2/+3
We were not freeing the irq properly in the error path in the AB8500 driver. Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Maxime Coquelin <maxime.coquelin@stericsson.com> Signed-off-by: Alex Macro <alex.macro@stericsson.com> Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-21mfd: Test for jack detection when deciding if wm8994 should suspendMark Brown1-0/+14
The jack detection on WM1811 is often required during system suspend, add it as another check when deciding if we should suspend. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@vger.kernel.org Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-20mfd: Initialize tps65910 irq platform data properlyLaxman Dewangan1-1/+1
irq_base of the tps65910 irq platform data should be initialized with the board provided irq_base data. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-20mfd: Fix possible s5m null pointer dereferenceJonghwan Choi1-1/+1
This patch checks for pdata to using it. Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-20mfd: wm8350 variable dereferenced before checkJonghwan Choi1-1/+0
Remove "wm8350->irq_base = pdata->irq_base" to avoid null pointer exception and wm8350->irq_base got from irq_alloc_descs(). Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-02-18MFD: mcp-sa11x0/assabet: move assabet reset handling out of mcp-sa11x0.cRussell King1-6/+0
Move the assabet specific reset handling out of mcp-sa11x0.c, into its board file. This leaves the mcp code free from all board specific details. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-assabet: add support for UCB1x00 GPIO switchesRussell King1-4/+39
Add support for UCB1x00 GPIO buttons found on the Assabet platform. We can now trivially support these buttons as we have standardized gpiolib, genirq and gpio keyboard support in place for this device. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: add wakeup supportRussell King1-0/+59
Add genirq wakeup support for the ucb1x00 device. This allows an attached gpio_keys driver to wakeup the system. Touchscreen is also possible. When there are no wakeup sources, ask the platform to assert the reset signal to avoid any unexpected behaviour; this also puts the reset signal at the right level when power is removed from the device. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00: convert to use genirqRussell King3-161/+128
Convert the ucb1x00 driver to use genirq's interrupt services, rather than its own private implementation. This allows a wider range of drivers to use the GPIO interrupts (such as the gpio_keys driver) without being aware of the UCB1x00's private IRQ system. This prevents the UCB1x00 core driver from being built as a module, so adjust the configuration to add that restriction. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: mcp-core: remove legacy driver suspend/resume methodsRussell King1-28/+0
The legacy driver suspend/resume methods are no longer used, so get rid of them. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: convert to use dev_pm_opsRussell King1-14/+18
Convert the ucb1x00-core driver to use dev_pm_ops rather than the legacy members in the mcp driver. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: mcp-sa11x0: complain if mcp clock is left enabledRussell King1-0/+7
Issue a warning if the mcp clock was left enabled by some driver when we're suspending or tearing down the core driver for the device. This is an aid for debugging missing disable calls. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: disable mcp clock when bus is not requiredRussell King1-4/+5
The ucb1x00-core was leaving the mcp clock enabled indefinitely after probe. This needlessly wastes power. Add the necessary disables to ensure that the clock remains off when we don't need it. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: add missing ucb1x00_enable()/ucb1x00_disable()Russell King1-1/+15
ucb1x00_enable() and ucb1x00_disable() are used for power saving on the SIB interface, allowing the host supplied clock to be disabled when not required. We require drivers which access the ucb1x00 to ensure that they have enabled the clock prior to accessing the device, and they should disable it once they're done. As we don't expect gpiolib users to be aware of this detail, we must make these calls in the gpiolib interfaces. Add them. Also add them to the resume method, which needs to re-establish the GPIO pin settings. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: scan drivers in same order they're registeredRussell King1-4/+4
Cosmetic patch to scan the list of drivers in the order that the drivers are registered, rather than the reverse order. This avoids surprises when drivers get probed in the reverse order, and input devices get registered in a different order due to bind/unbind than from boot. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: add owner and dev initializers to gpio structureRussell King1-0/+2
Register the gpio device with proper .owner and .dev elements set appropraitely. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: clean up device handling in probeRussell King1-14/+16
Clean up the device handling so we can use the struct device sanely. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: use mutexes instead of semaphoresRussell King1-8/+7
Convert the ucb1x00 driver to use mutexes rather than the depreciated semaphores for exclusive access to the ADC. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: add .owner initializer and module aliasRussell King1-0/+2
Add a .owner initializer to the UCB1x00 mcp driver structure, and set an appropriate module alias to identify this driver. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: add handling for ucb1x00 resetRussell King1-4/+13
Provide a way to handle the software controlled ucb1x00 reset signal from the ucb1x00-core driver without having to code platform specifics into these drivers. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-core: get rid of mach/hardware.h includeRussell King1-2/+0
Nothing in this driver requires anything from the machine/platform headers, so remove this needless header file. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: ucb1x00-ts: provide input layer with device parentRussell King1-0/+1
Provide the input layer struct device with its parent device, so that the input layer's device appears in the correct place in the device tree. This also allows the input device to be visibily associated with its hardware. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-18MFD: mcp/ucb1x00: separate ucb1x00 driver data from the MCP dataRussell King3-6/+7
Patch taken from 5dd7bf59e0 (ARM: sa11x0: Implement autoloading of codec and codec pdata for mcp bus.) by Jochen Friedrich <jochen@scram.de>. This adds just the codec data part of the patch. Acked-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>