Commit graph

1073 commits

Author SHA1 Message Date
Haojian Zhuang
6c7e660a27 gpio: pxa: set initcall level to module init
gpio & pinctrl driver are used together. The pinctrl driver is already
launched before gpio driver in Makefile. So set gpio driver to module
init level. Otherwise, the sequence will be inverted.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-25 10:51:12 +01:00
Gregory CLEMENT
89f5df01c6 gpio: pca953x: add support for pca9505
Now that pca953x driver can handle GPIO expanders with more than 32
bits this patch adds the support for the pca9505 which cam with 40
GPIOs.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-25 09:03:40 +01:00
Gregory CLEMENT
f5f0b7aa89 gpio: pca953x: make the register access by GPIO bank
Until now the pca953x driver accessed all the bank of a given register
in a single command using only a 32 bits variable. New expanders from
the pca53x family come with 40 GPIOs which no more fit in a 32
variable. This patch make access to the registers more generic by
relying on an array of u8 variables. This fits exactly the way the
registers are represented in the hardware.

It also adds helpers to access to a single register of a bank instead
of reading or writing all the banks for a given register.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-25 09:02:10 +01:00
Thierry Reding
641d03422a gpio: Convert to devm_ioremap_resource()
Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-22 11:41:56 -08:00
Haojian Zhuang
5985d76cc1 gpio: pl061: set initcall level to module init
Replace subsys initcall by module initcall level. Since pinctrl
driver is already launched before gpio driver. It's unnecessary
to set gpio driver in subsys init call level.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-22 10:43:15 +01:00
Shawn Guo
6a89a314ab gpio: devm_gpio_* support should not depend on GPIOLIB
Some architectures (e.g. blackfin) provide gpio API without requiring
GPIOLIB support (ARCH_WANT_OPTIONAL_GPIOLIB).  devm_gpio_* functions
should also work for these architectures, since they do not really
depend on GPIOLIB.

Add a new option GPIO_DEVRES (enabled by default) to control the build
of devres.c.  It also removes the empty version of devm_gpio_*
functions for !GENERIC_GPIO build from linux/gpio.h, and moves the
function declarations from asm-generic/gpio.h into linux/gpio.h.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-22 10:23:35 +01:00
Kees Cook
4c0ea23377 drivers/gpio: remove depends on CONFIG_EXPERIMENTAL
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.

CC: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-21 14:52:42 -08:00
Haojian Zhuang
ef5e3eef6b gpio: use pinctrl device name for add range
gpiochip_add_pin_range() needs pinctrl device name as parameter.
Currently the parameter is pinctrl description name. So fix it.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-21 15:16:22 +01:00
Thierry Reding
11c0ceec07 gpio: mvebu: Don't free chip label memory
The gpio_chip.label field is a const char * and assigned the value of a
call to dev_name(). Memory obtained from dev_name() should not be freed
by drivers.

Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 12:27:08 +01:00
Kukjin Kim
6948ce588b gpio: samsung: skip gpio lib registration for EXYNOS5440
Since exynos5440 can support pinctrl so skip the legacy
gpiolib registration. If not, happens following.

WARNING: at drivers/gpio/gpio-samsung.c:3102 samsung_gpiolib_init+0x68/0x8c()
Unknown SoC in gpio-samsung, no GPIOs added

Acked-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 11:53:54 +01:00
Peter Ujfalusi
c111feabe2 gpio: twl4030: Cache the direction and output states in private data
Use more coherent locking in the driver. Use bitfield to store the GPIO
direction and if the pin is configured as output store the status also in a
bitfiled.
In this way we can just look at these bitfields when we need information
about the pin status and only reach out to the chip when it is needed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 11:48:12 +01:00
Peter Ujfalusi
72c7901ef0 gpio: twl4030: Introduce private structure to store variables needed runtime
Move most of the global variables inside a private structure and allocate
it dynamically.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 11:48:12 +01:00
Kukjin Kim
dcb9c3491a gpio: samsung: silent build warning for EXYNOS5 SoCs
This patch fixes following warning:

drivers/gpio/gpio-samsung.c:450:32: warning: 'exynos_gpio_cfg' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2450:33: warning: 'exynos5_gpios_1' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2618:33: warning: 'exynos5_gpios_2' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2679:33: warning: 'exynos5_gpios_3' defined but not used [-Wunused-variable]
drivers/gpio/gpio-samsung.c:2715:33: warning: 'exynos5_gpios_4' defined but not used [-Wunused-variable]

Because current gpio-samsung is valid only on EXYNOS5250.

Cc: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 09:18:02 +01:00
Kukjin Kim
e4a5da51da gpio: samsung: fix pinctrl condition for exynos and exynos5440
Since EXYNOS5440 can select PINCTRL_EXYNOS5440 without PINCTRL_SAMSUNG,
it should be fixed. In detail, PINCTRL_SAMSUNG is a kind of frame work
for supporting pinctrl on most Samsung SoCs including S3C, S5P as well
except EXYNOS5440 so PINCTRL_EXYNOS5440 has been implemented separated.

Cc: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-17 09:17:59 +01:00
Kukjin Kim
0a2691dade ARM: SAMSUNG: cleanup mach/gpio-fns.h gpio-track.h and gpio-nrs.h
remove <mach/gpio-fns.h>, <mach/gpio-track.h> and <plat/gpio-fns.h>

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-10 10:45:22 -08:00
Kukjin Kim
9b89cb8172 gpio: samsung: remove inclusion <mach/regs-clock.h>
The <mach/regs-clock.h> is not needed for gpio-samsung.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-10 13:03:31 +01:00
Tony Prisk
ebe5a0596f gpio: vt8500: Export dedicated GPIO before multifunction pins.
The vendor does not provide numbering for gpio pins. Vendor source
exports dedicated gpio pins first, followed by multifunction pins.
As this is what end users expect, this patch changes vt8500 and wm8505
to do the same.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-01-10 11:45:35 +01:00
Greg Kroah-Hartman
0fe763c570 Drivers: misc: remove __dev* attributes.
CONFIG_HOTPLUG is going away as an option.  As a result, the __dev*
markings need to be removed.

This change removes the use of __devinit, __devexit_p, __devinitdata,
__devinitconst, and __devexit from these drivers.

Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-03 15:57:16 -08:00
Gregory CLEMENT
bc1008cf7d gpio/mvebu-gpio: Make mvebu-gpio depend on OF_CONFIG
When building without device tree support (for the mv78x00 SoCs for
example), the build failed because of_irq_count is undeclared. However
mvebu-gpio is not designed to build without device tree support. So
make it depends on OF_CONFIG, remove the #ifdef OF_CONFIG line and the
platform_device_id.

Tested on RD-78x00-mASA, DB-78460-BP, DB-88F6710-BP-DDR3,
DB-MV784MP-GP, Mirabox and OpenBlocks AX3.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-12-19 22:15:14 +00:00
Jean Delvare
d39a948fef gpio/ich: Add missing spinlock init
As reported by CONFIG_DEBUG_SPINLOCK=y.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-12-19 22:13:08 +00:00
Linus Torvalds
2dfea3803d This is the MFD patch set for the 3.8 merge window.
We have several new drivers, most of the time coming with their sub devices
 drivers:
 
 - Austria Microsystem's AS3711
 - Nano River's viperboard
 - TI's TPS80031, AM335x TS/ADC,
 - Realtek's MMC/memstick card reader
 - Nokia's retu
 
 We also got some notable cleanups and improvements:
 
 - tps6586x got converted to IRQ domains.
 - tps65910 and tps65090 moved to the regmap IRQ API.
 - STMPE is now Device Tree aware.
 - A general twl6040 and twl-core cleanup, with moves to the regmap I/O and IRQ
   APIs and a conversion to the recently added PWM framework.
 - sta2x11 gained regmap support.
 
 Then the rest is mostly tiny cleanups and fixes, among which we have Mark's
 wm5xxx and wm8xxx patchset.
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Merge tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFS update from Samuel Ortiz:
 "This is the MFD patch set for the 3.8 merge window.

  We have several new drivers, most of the time coming with their sub
  devices drivers:

   - Austria Microsystem's AS3711
   - Nano River's viperboard
   - TI's TPS80031, AM335x TS/ADC,
   - Realtek's MMC/memstick card reader
   - Nokia's retu

  We also got some notable cleanups and improvements:

   - tps6586x got converted to IRQ domains.
   - tps65910 and tps65090 moved to the regmap IRQ API.
   - STMPE is now Device Tree aware.
   - A general twl6040 and twl-core cleanup, with moves to the regmap
     I/O and IRQ APIs and a conversion to the recently added PWM
     framework.
   - sta2x11 gained regmap support.

  Then the rest is mostly tiny cleanups and fixes, among which we have
  Mark's wm5xxx and wm8xxx patchset."

Far amount of annoying but largely trivial conflicts.  Many due to
__devinit/exit removal, others due to one or two of the new drivers also
having come in through another tree.

* tag 'mfd-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (119 commits)
  mfd: tps6507x: Convert to devm_kzalloc
  mfd: stmpe: Update DT support for stmpe driver
  mfd: wm5102: Add readback of DSP status 3 register
  mfd: arizona: Log if we fail to create the primary IRQ domain
  mfd: tps80031: MFD_TPS80031 needs to select REGMAP_IRQ
  mfd: tps80031: Add terminating entry for tps80031_id_table
  mfd: sta2x11: Fix potential NULL pointer dereference in __sta2x11_mfd_mask()
  mfd: wm5102: Add tuning for revision B
  mfd: arizona: Defer patch initialistation until after first device boot
  mfd: tps65910: Fix wrong ack_base register
  mfd: tps65910: Remove unused data
  mfd: stmpe: Get rid of irq_invert_polarity
  mfd: ab8500-core: Fix invalid free of devm_ allocated data
  mfd: wm5102: Mark DSP memory regions as volatile
  mfd: wm5102: Correct default for LDO1_CONTROL_2
  mfd: arizona: Register haptics devices
  mfd: wm8994: Make current device behaviour the default
  mfd: tps65090: MFD_TPS65090 needs to select REGMAP_IRQ
  mfd: Fix stmpe.c build when OF is not enabled
  mfd: jz4740-adc: Use devm_kzalloc
  ...
2012-12-16 18:55:20 -08:00
Linus Torvalds
a2013a13e6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial branch from Jiri Kosina:
 "Usual stuff -- comment/printk typo fixes, documentation updates, dead
  code elimination."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
  HOWTO: fix double words typo
  x86 mtrr: fix comment typo in mtrr_bp_init
  propagate name change to comments in kernel source
  doc: Update the name of profiling based on sysfs
  treewide: Fix typos in various drivers
  treewide: Fix typos in various Kconfig
  wireless: mwifiex: Fix typo in wireless/mwifiex driver
  messages: i2o: Fix typo in messages/i2o
  scripts/kernel-doc: check that non-void fcts describe their return value
  Kernel-doc: Convention: Use a "Return" section to describe return values
  radeon: Fix typo and copy/paste error in comments
  doc: Remove unnecessary declarations from Documentation/accounting/getdelays.c
  various: Fix spelling of "asynchronous" in comments.
  Fix misspellings of "whether" in comments.
  eisa: Fix spelling of "asynchronous".
  various: Fix spelling of "registered" in comments.
  doc: fix quite a few typos within Documentation
  target: iscsi: fix comment typos in target/iscsi drivers
  treewide: fix typo of "suport" in various comments and Kconfig
  treewide: fix typo of "suppport" in various comments
  ...
2012-12-13 12:00:02 -08:00
Linus Torvalds
698d601224 ARM: arm-soc: driver specific changes
A collection of mostly SoC-specific driver updates:
 - a handful of pincontrol and setup changes
 - new drivers for hwmon and reset controller for vexpress
 - timing support updates for OMAP (gpmc and other interfaces)
 - + a collection of smaller cleanups
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver specific changes from Olof Johansson:
 "A collection of mostly SoC-specific driver updates:
   - a handful of pincontrol and setup changes
   - new drivers for hwmon and reset controller for vexpress
   - timing support updates for OMAP (gpmc and other interfaces)
   - plus a collection of smaller cleanups"

* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
  ARM: ux500: fix pin warning
  ARM: OMAP2+: tusb6010: generic timing calculation
  ARM: OMAP2+: smc91x: generic timing calculation
  ARM: OMAP2+: onenand: generic timing calculation
  ARM: OMAP2+: gpmc: generic timing calculation
  ARM: OMAP2+: gpmc: handle additional timings
  ARM: OMAP2+: nand: remove redundant rounding
  gpio: samsung: use pr_* instead of printk
  ARM: ux500: fixup magnetometer pins
  ARM: ux500: add STM pin configuration
  ARM: ux500: 8500: add pinctrl support for uart1 and uart2
  ARM: ux500: cosmetic fixups for uart0
  gpio: samsung: Fix input mode setting function for GPIO int
  ARM: SAMSUNG: Insert bitmap_gpio_int member in samsung_gpio_chip
  ARM: ux500: 8500: define SDI sleep states
  ARM: vexpress: Reset driver
  ARM: ux500: 8500: update SKE keypad pinctrl table
  hwmon: Versatile Express hwmon driver
  ARM: ux500: delete duplicate macro
  ARM: ux500: 8500: add IDLE pin configuration for SPI
  ...
2012-12-13 10:59:11 -08:00
Linus Torvalds
db5b0ae007 ARM: arm-soc: device tree conversions and enablement
Continued device tree conversion and enablement across a number of
 platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
 smaller series as well.
 
 ux500 has seen continued conversion for platforms. Several platforms have
 seen pinctrl-via-devicetree conversions for simpler multiplatform. Tegra
 is adding data for new devices/drivers, and Exynos has a bunch of new
 bindings and devices added as well.
 
 So, pretty much the same progression in the right direction as the last
 few releases.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree conversions and enablement from Olof Johansson:
 "Continued device tree conversion and enablement across a number of
  platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
  smaller series as well.

  ux500 has seen continued conversion for platforms.  Several platforms
  have seen pinctrl-via-devicetree conversions for simpler
  multiplatform.  Tegra is adding data for new devices/drivers, and
  Exynos has a bunch of new bindings and devices added as well.

  So, pretty much the same progression in the right direction as the
  last few releases."

Fix up conflicts as per Olof.

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (185 commits)
  ARM: ux500: Rename dbx500 cpufreq code to be more generic
  ARM: dts: add missing ux500 device trees
  ARM: ux500: Stop registering the PCM driver from platform code
  ARM: ux500: Move board specific GPIO info out to subordinate DTS files
  ARM: ux500: Disable the MMCI gpio-regulator by default
  ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
  ARM: Kirkwood: Add support LED of OpenBlocks A6
  ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
  ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
  ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
  ARM: kirkwood: Add support DT of second I2C bus
  ARM: kirkwood: Convert mplcec4 board to pinctrl
  ARM: Kirkwood: Convert km_kirkwood to pinctrl
  ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
  ARM: Kirkwood: Convert IX2-200 to pinctrl.
  ARM: Kirkwood: Convert lsxl boards to pinctrl.
  ARM: Kirkwood: Convert ib62x0 to pinctrl.
  ARM: Kirkwood: Convert GoFlex Net to pinctrl.
  ARM: Kirkwood: Convert dreamplug to pinctrl.
  ARM: Kirkwood: Convert dockstar to pinctrl.
  ...
2012-12-13 10:39:26 -08:00
Linus Torvalds
d01e4afdbb ARM: arm-soc: Cleanups on various subarchitectures
Cleanup patches for various ARM platforms and some of their associated
 drivers. There's also a branch in here that enables Freescale i.MX to be
 part of the multiplatform support -- the first "big" SoC that is moved
 over (more multiplatform work comes in a separate branch later during
 the merge window).
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups on various subarchitectures from Olof Johansson:
 "Cleanup patches for various ARM platforms and some of their associated
  drivers.  There's also a branch in here that enables Freescale i.MX to
  be part of the multiplatform support -- the first "big" SoC that is
  moved over (more multiplatform work comes in a separate branch later
  during the merge window)."

Conflicts fixed as per Olof, including a silent semantic one in
arch/arm/mach-omap2/board-generic.c (omap_prcm_restart() was renamed to
omap3xxx_restart(), and a new user of the old name was added).

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (189 commits)
  ARM: omap: fix typo on timer cleanup
  ARM: EXYNOS: Remove unused regs-mem.h file
  ARM: EXYNOS: Remove unused non-dt support for dwmci controller
  ARM: Kirkwood: Use hw_pci.ops instead of hw_pci.scan
  ARM: OMAP3: cm-t3517: use GPTIMER for system clock
  ARM: OMAP2+: timer: remove CONFIG_OMAP_32K_TIMER
  ARM: SAMSUNG: use devm_ functions for ADC driver
  ARM: EXYNOS: no duplicate mask/unmask in eint0_15
  ARM: S3C24XX: SPI clock channel setup is fixed for S3C2443
  ARM: EXYNOS: Remove i2c0 resource information and setting of device names
  ARM: Kirkwood: checkpatch cleanups
  ARM: Kirkwood: Fix sparse warnings.
  ARM: Kirkwood: Remove unused includes
  ARM: kirkwood: cleanup lsxl board includes
  ARM: integrator: use BUG_ON where possible
  ARM: integrator: push down SC dependencies
  ARM: integrator: delete static UART1 mapping
  ARM: integrator: delete SC mapping on the CP
  ARM: integrator: remove static CP syscon mapping
  ARM: integrator: remove static AP syscon mapping
  ...
2012-12-12 11:51:39 -08:00
Linus Torvalds
cff2f741b8 Driver core updates for 3.8-rc1
Here's the large driver core updates for 3.8-rc1.
 
 The biggest thing here is the various __dev* marking removals.  This is
 going to be a pain for the merge with different subsystem trees, I know,
 but all of the patches included here have been ACKed by their various
 subsystem maintainers, as they wanted them to go through here.
 
 If this is too much of a pain, I can pull all of them out of this tree
 and just send you one with the other fixes/updates and then, after
 3.8-rc1 is out, do the rest of the removals to ensure we catch them all,
 it's up to you.  The merges should all be trivial, and Stephen has been
 doing them all in linux-next for a few weeks now quite easily.
 
 Other than the __dev* marking removals, there's nothing major here, some
 firmware loading updates and other minor things in the driver core.
 
 All of these have (much to Stephen's annoyance), been in linux-next for
 a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg Kroah-Hartman:
 "Here's the large driver core updates for 3.8-rc1.

  The biggest thing here is the various __dev* marking removals.  This
  is going to be a pain for the merge with different subsystem trees, I
  know, but all of the patches included here have been ACKed by their
  various subsystem maintainers, as they wanted them to go through here.

  If this is too much of a pain, I can pull all of them out of this tree
  and just send you one with the other fixes/updates and then, after
  3.8-rc1 is out, do the rest of the removals to ensure we catch them
  all, it's up to you.  The merges should all be trivial, and Stephen
  has been doing them all in linux-next for a few weeks now quite
  easily.

  Other than the __dev* marking removals, there's nothing major here,
  some firmware loading updates and other minor things in the driver
  core.

  All of these have (much to Stephen's annoyance), been in linux-next
  for a while.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fixed up trivial conflicts in drivers/gpio/gpio-{em,stmpe}.c due to gpio
update.

* tag 'driver-core-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (93 commits)
  modpost.c: Stop checking __dev* section mismatches
  init.h: Remove __dev* sections from the kernel
  acpi: remove use of __devinit
  PCI: Remove __dev* markings
  PCI: Always build setup-bus when PCI is enabled
  PCI: Move pci_uevent into pci-driver.c
  PCI: Remove CONFIG_HOTPLUG ifdefs
  unicore32/PCI: Remove CONFIG_HOTPLUG ifdefs
  sh/PCI: Remove CONFIG_HOTPLUG ifdefs
  powerpc/PCI: Remove CONFIG_HOTPLUG ifdefs
  mips/PCI: Remove CONFIG_HOTPLUG ifdefs
  microblaze/PCI: Remove CONFIG_HOTPLUG ifdefs
  dma: remove use of __devinit
  dma: remove use of __devexit_p
  firewire: remove use of __devinitdata
  firewire: remove use of __devinit
  leds: remove use of __devexit
  leds: remove use of __devinit
  leds: remove use of __devexit_p
  mmc: remove use of __devexit
  ...
2012-12-11 13:13:55 -08:00
Linus Torvalds
b0885d01f9 GPIO follow up patch and type change for v3.5 merge window
Primarily device driver additions, features and bug fixes. Not much
 touching gpio common subsystem support. Should not be scary.
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull GPIO updates from Grant Likely:
 "GPIO follow up patch and type change for v3.5 merge window

  Primarily device driver additions, features and bug fixes.  Not much
  touching gpio common subsystem support.  Should not be scary."

* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
  gpio: Provide the STMPE GPIO driver with its own IRQ Domain
  gpio: add TS-5500 DIO blocks support
  gpio: pcf857x: use client->irq for gpio_to_irq()
  gpio: stmpe: Add DT support for stmpe gpio
  gpio: pl061 depends on ARM
  gpio/pl061: remove old comment
  gpio: SPEAr: add spi chipselect control driver
  gpio: gpio-max710x: Support device tree probing
  gpio: twl4030: Use only TWL4030_MODULE_LED for LED configuration
  gpio: tegra: read output value when gpio is set in direction_out
  gpio: pca953x: Add compatible strings to gpio-pca953x driver
  gpio: pca953x: Register an IRQ domain
  gpio: mvebu: Set free callback for gpio_chip
  gpio: tegra: Drop exporting static functions
  gpio: tegra: Staticize non-exported symbols
  gpio: tegra: fix suspend/resume apis
  gpio-pch: Set parent dev for gpio chip
  gpio: em: Fix build errors
  GPIO: clps711x: use platform_device_unregister in gpio_clps711x_init()
  gpio/tc3589x: convert to use the simple irqdomain
  ...
2012-12-11 13:00:56 -08:00
Linus Torvalds
bad73c5aa0 ACPI and power management updates for 3.8-rc1
* Introduction of device PM QoS flags.
 
 * ACPI device power management update allowing subsystems other than
   PCI to use it more easily.
 
 * ACPI device enumeration rework allowing additional kinds of devices
   to be enumerated via ACPI.  From Mika Westerberg, Adrian Hunter,
   Mathias Nyman, Andy Shevchenko, and Rafael J. Wysocki.
 
 * ACPICA update to version 20121018 from Bob Moore and Lv Zheng.
 
 * ACPI memory hotplug update from Wen Congyang and Yasuaki Ishimatsu.
 
 * Introduction of acpi_handle_<level>() messaging macros and ACPI-based CPU
   hot-remove support from Toshi Kani.
 
 * ACPI EC updates from Feng Tang.
 
 * cpufreq updates from Viresh Kumar, Fabio Baltieri and others.
 
 * cpuidle changes to quickly notice governor prediction failure from
   Youquan Song.
 
 * Support for using multiple cpuidle drivers at the same time and cpuidle
   cleanups from Daniel Lezcano.
 
 * devfreq updates from Nishanth Menon and others.
 
 * cpupower update from Thomas Renninger.
 
 * Fixes and small cleanups all over the place.
 
 --
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Merge tag 'pm+acpi-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management updates from Rafael Wysocki:

 - Introduction of device PM QoS flags.

 - ACPI device power management update allowing subsystems other than
   PCI to use it more easily.

 - ACPI device enumeration rework allowing additional kinds of devices
   to be enumerated via ACPI.  From Mika Westerberg, Adrian Hunter,
   Mathias Nyman, Andy Shevchenko, and Rafael J. Wysocki.

 - ACPICA update to version 20121018 from Bob Moore and Lv Zheng.

 - ACPI memory hotplug update from Wen Congyang and Yasuaki Ishimatsu.

 - Introduction of acpi_handle_<level>() messaging macros and ACPI-based
   CPU hot-remove support from Toshi Kani.

 - ACPI EC updates from Feng Tang.

 - cpufreq updates from Viresh Kumar, Fabio Baltieri and others.

 - cpuidle changes to quickly notice governor prediction failure from
   Youquan Song.

 - Support for using multiple cpuidle drivers at the same time and
   cpuidle cleanups from Daniel Lezcano.

 - devfreq updates from Nishanth Menon and others.

 - cpupower update from Thomas Renninger.

 - Fixes and small cleanups all over the place.

* tag 'pm+acpi-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (196 commits)
  mmc: sdhci-acpi: enable runtime-pm for device HID INT33C6
  ACPI: add Haswell LPSS devices to acpi_platform_device_ids list
  ACPI: add documentation about ACPI 5 enumeration
  pnpacpi: fix incorrect TEST_ALPHA() test
  ACPI / PM: Fix header of acpi_dev_pm_detach() in acpi.h
  ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000
  ACPI : do not use Lid and Sleep button for S5 wakeup
  ACPI / PNP: Do not crash due to stale pointer use during system resume
  ACPI / video: Add "Asus UL30VT" to ACPI video detect blacklist
  ACPI: do acpisleep dmi check when CONFIG_ACPI_SLEEP is set
  spi / ACPI: add ACPI enumeration support
  gpio / ACPI: add ACPI support
  PM / devfreq: remove compiler error with module governors (2)
  cpupower: IvyBridge (0x3a and 0x3e models) support
  cpupower: Provide -c param for cpupower monitor to schedule process on all cores
  cpupower tools: Fix warning and a bug with the cpu package count
  cpupower tools: Fix malloc of cpu_info structure
  cpupower tools: Fix issues with sysfs_topology_read_file
  cpupower tools: Fix minor warnings
  cpupower tools: Update .gitignore for files created in the debug directories
  ...
2012-12-11 12:45:35 -08:00
Linus Torvalds
505cbedab9 This is the pinctrl big pull request for v3.8.
As can be seen from the diffstat the major changes
 are:
 
 - A big conversion of the AT91 pinctrl driver and
   the associated ACKed platform changes under
   arch/arm/max-at91 and its device trees. This
   has been coordinated with the AT91 maintainers
   to go in through the pinctrl tree.
 
 - A larger chunk of changes to the SPEAr drivers
   and the addition of the "plgpio" driver for the
   SPEAr as well.
 
 - The removal of the remnants of the Nomadik driver
   from the arch/arm tree and fusion of that into
   the Nomadik driver and platform data header files.
 
 - Some local movement in the Marvell MVEBU drivers,
   these now have their own subdirectory.
 
 - The addition of a chunk of code to gpiolib under
   drivers/gpio to register gpio-to-pin range mappings
   from the GPIO side of things. This has been
   requested by Grant Likely and is now implemented,
   it is particularly useful for device tree work.
 
 Then we have incremental updates all over the place,
 many of these are cleanups and fixes from Axel Lin
 who has done a great job of removing minor mistakes
 and compilation annoyances.
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Merge tag 'pinctrl-for-v3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl changes from Linus Walleij:
 "These are the first and major pinctrl changes for the v3.8 merge
  cycle.  Some of this is used as merge base for other trees so I better
  be early on the trigger.

  As can be seen from the diffstat the major changes are:

  - A big conversion of the AT91 pinctrl driver and the associated ACKed
    platform changes under arch/arm/max-at91 and its device trees.  This
    has been coordinated with the AT91 maintainers to go in through the
    pinctrl tree.

  - A larger chunk of changes to the SPEAr drivers and the addition of
    the "plgpio" driver for the SPEAr as well.

  - The removal of the remnants of the Nomadik driver from the arch/arm
    tree and fusion of that into the Nomadik driver and platform data
    header files.

  - Some local movement in the Marvell MVEBU drivers, these now have
    their own subdirectory.

  - The addition of a chunk of code to gpiolib under drivers/gpio to
    register gpio-to-pin range mappings from the GPIO side of things.
    This has been requested by Grant Likely and is now implemented, it
    is particularly useful for device tree work.

  Then we have incremental updates all over the place, many of these are
  cleanups and fixes from Axel Lin who has done a great job of removing
  minor mistakes and compilation annoyances."

* tag 'pinctrl-for-v3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (114 commits)
  ARM: mmp: select PINCTRL for ARCH_MMP
  pinctrl: Drop selecting PINCONF for MMP2, PXA168 and PXA910
  pinctrl: pinctrl-single: Fix error check condition
  pinctrl: SPEAr: Update error check for unsigned variables
  gpiolib: Fix use after free in gpiochip_add_pin_range
  gpiolib: rename pin range arguments
  pinctrl: single: support gpio request and free
  pinctrl: generic: add input schmitt disable parameter
  pinctrl/u300/coh901: stop spawning pinctrl from GPIO
  pinctrl/u300/coh901: let the gpio_chip register the range
  pinctrl: add function to retrieve range from pin
  gpiolib: return any error code from range creation
  pinctrl: make range registration defer properly
  gpiolib: rename find_pinctrl_*
  gpiolib: let gpiochip_add_pin_range() specify offset
  ARM: at91: pm9g45: add mmc support
  ARM: at91: Animeo IP: add mmc support
  ARM: at91: dt: add mmc pinctrl for Atmel reference boards
  ARM: at91: dt: at91sam9: add mmc pinctrl support
  ARM: at91/dts: add nodes for atmel hsmci controllers for atmel boards
  ...
2012-12-11 11:21:33 -08:00
Lee Jones
fc13d5a5b1 gpio: Provide the STMPE GPIO driver with its own IRQ Domain
The STMPE GPIO driver can be used as an IRQ controller by some
related devices. Here we provide it with its very own IRQ Domain
so that IRQs can be issued dynamically. This will stand the
driver in good stead when it is enabled for Device Tree, as this
it a prerequisite.

Cc: Grant Likely <grant.likely@secretlab.ca>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-10 11:23:30 +01:00
Vivien Didelot
759f5f3752 gpio: add TS-5500 DIO blocks support
Technologic Systems TS-5500 provides digital I/O lines exposed through
pin blocks. On this platform, there are three of them, named DIO1, DIO2
and LCD port, that may be used as a DIO block.

The TS-5500 pin blocks are described in the product's wiki:
http://wiki.embeddedarm.com/wiki/TS-5500#Digital_I.2FO

This driver is not limited to the TS-5500 blocks. It can be extended to
support similar boards pin blocks, such as on the TS-5600.

This patch is the V2 of the previous https://lkml.org/lkml/2012/9/25/671
with corrections suggested by Linus Walleij.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Jerome Oufella <jerome.oufella@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-10 11:23:25 +01:00
Kuninori Morimoto
805f864ebe gpio: pcf857x: use client->irq for gpio_to_irq()
6e20a0a429
(gpio: pcf857x: enable gpio_to_irq() support)
added gpio_to_irq() support on pcf857x driver,
but it used pdata->irq.
This patch modifies driver to use client->irq instead of it.
It modifies kzm9g board platform settings,
and device probe information too.
This patch is tested on kzm9g board

Reported-by: Christian Engelmayer <christian.engelmayer@frequentis.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-07 09:16:12 +01:00
Masanari Iida
e41e85cc17 treewide: Fix typos in various Kconfig
Correct spelling typo within various Kconfig.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-12-03 11:03:56 +01:00
Vipul Kumar Samar
86605cfe8c gpio: stmpe: Add DT support for stmpe gpio
This patch allows the STMPE GPIO driver to be successfully probed and
initialised when Device Tree support is enabled. Bindings are mentioned in
Documentation too.

Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-01 17:45:16 +01:00
Alessandro Rubini
8618b3b47c gpio: pl061 depends on ARM
Commit dece904d (gpio: pl061: use chained_irq_* functions in irq
handler) introduced chained_irq_enter/exit, which is only
available for arch/arm and the driver won't compile elsewhere.

The dependency is thus made explicit, because AMBA is used in the x86
world by a PCI-to-AMBA bridge, to be submitted.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-12-01 16:10:28 +01:00
Rafael J. Wysocki
d9ba1025a4 Merge branch 'acpi-enumeration'
* acpi-enumeration:
  spi / ACPI: add ACPI enumeration support
  gpio / ACPI: add ACPI support
2012-11-30 12:38:51 +01:00
Mathias Nyman
e29482e848 gpio / ACPI: add ACPI support
Add support for translating ACPI GPIO pin numbers to Linux GPIO API pins.
Needs a gpio controller driver with the acpi handler hook set.

Drivers can use acpi_get_gpio() to translate ACPI5 GpioIO and GpioInt
resources to Linux GPIO's.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-11-30 12:37:36 +01:00
Baruch Siach
835c192f36 gpio/pl061: remove old comment
Since 3ab524754 (gpio: pl061: convert to use generic irq chip) we only have one
spinlock in struct pl061_gpio.

Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-11-30 11:12:07 +00:00
Bill Pemberton
206210ce68 gpio: remove use of __devexit
CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Peter Tyser <ptyser@xes-inc.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:39:59 -08:00
Bill Pemberton
b5ba78de76 gpio: remove use of __devinitconst
CONFIG_HOTPLUG is going away as an option so __devinitconst is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:39:59 -08:00
Bill Pemberton
aeca8ad1f0 gpio: remove use of __devinitdata
CONFIG_HOTPLUG is going away as an option so __devinitdata is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:39:59 -08:00
Bill Pemberton
3836309d93 gpio: remove use of __devinit
CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:39:33 -08:00
Bill Pemberton
8283c4ff57 gpio: remove use of __devexit_p
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Peter Tyser <ptyser@xes-inc.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-28 11:36:36 -08:00
Olof Johansson
0dfeada909 orion dt for v3.8
- ehci-orion dt binding
  - gpio-poweroff
  - use dt regulators
  - move mpp to DT/pinctrl
 
 Depends on:
 
  - orion/boards
 
     - merge conflicts
        - keep all 'select's in Kconfig
        - remove all #includes in board-*.c
 
  - pinctrl/devel up to:
 
     - 06763c7 pinctrl: mvebu: move to its own directory
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Merge tag 'orion_dt_for_3.8' of git://git.infradead.org/users/jcooper/linux into next/dt

From Jason Cooper:
orion dt for v3.8

 - ehci-orion dt binding
 - gpio-poweroff
 - use dt regulators
 - move mpp to DT/pinctrl

Depends on:

 - orion/boards

    - merge conflicts
       - keep all 'select's in Kconfig
       - remove all #includes in board-*.c

 - pinctrl/devel up to:

    - 06763c7 pinctrl: mvebu: move to its own directory

* tag 'orion_dt_for_3.8' of git://git.infradead.org/users/jcooper/linux: (211 commits)
  ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
  ARM: Kirkwood: Add support LED of OpenBlocks A6
  ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
  ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
  ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
  ARM: kirkwood: Add support DT of second I2C bus
  ARM: kirkwood: Convert mplcec4 board to pinctrl
  ARM: Kirkwood: Convert km_kirkwood to pinctrl
  ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
  ARM: Kirkwood: Convert IX2-200 to pinctrl.
  ARM: Kirkwood: Convert lsxl boards to pinctrl.
  ARM: Kirkwood: Convert ib62x0 to pinctrl.
  ARM: Kirkwood: Convert GoFlex Net to pinctrl.
  ARM: Kirkwood: Convert dreamplug to pinctrl.
  ARM: Kirkwood: Convert dockstar to pinctrl.
  ARM: Kirkwood: Convert dnskw to pinctrl
  ARM: Kirkwood: Convert iConnect to pinctrl.
  ARM: Kirkwood: Convert TS219 to pinctrl.
  ARM: Kirkwood: Add DTSI files for pinctrl
  ARM: Kirkwood: Make use of mvebu pincltl and gpio drivers
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-26 01:09:53 -08:00
Olof Johansson
0f9cb211ba Linux 3.7-rc7
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Merge tag 'v3.7-rc7' into next/cleanup

Merging in mainline back to next/cleanup since it has collected a few
conflicts between fixes going upstream and some of the cleanup patches.
Git doesn't auto-resolve some of them, and they're mostly noise so let's
take care of it locally.

Conflicts are in:
	arch/arm/mach-omap2/omap_hwmod_44xx_data.c
	arch/arm/plat-omap/i2c.c
	drivers/video/omap2/dss/dss.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-25 21:34:34 -08:00
Andrew Lunn
49e928d6cf GPIO: mvebu: Allow all plat-orion platforms.
Kirkwood & Dove can also use this driver, so expand the scope to
include all platform orion devices.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-11-24 02:57:31 +00:00
Olof Johansson
24025f6f58 Merge branch 'next/dt-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim:

Here is Samsung DT for v3.8 and this is including DT for EXYNOS4X12
SoC, SMDK4412 board, pinctrl for exynos4x12, TMU, MFC, SATA and SATA
PHY.

As I commented on [4/7], this branch merged pinctrl/samsung to support
pinctrl for exynos4x12 without useless merge conflicts.

* 'next/dt-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (32 commits)
  ARM: EXYNOS: DT Support for SATA and SATA PHY
  ARM: dts: Remove broken-voltage property from sdhci node for exynos4210-trats
  ARM: dts: Add node for touchscreen for exynos4210-trats
  ARM: dts: Add node for touchscreen voltage regulator for exynos4210-trats
  ARM: dts: Add node for i2c3 bus for exynos4210-trats
  ARM: dts: Add nodes for GPIO keys available on Trats
  ARM: dts: Update for pinctrl-samsung driver for exynos4210-trats
  ARM: dts: Add nodes for pin controllers for exynos4x12
  pinctrl: samsung: Add support for EXYNOS4X12
  gpio: samsung: Skip registration if pinctrl driver is present on EXYNOS4X12
  ARM: EXYNOS: Skip wakeup-int setup if pinctrl driver is used on EXYNOS4X12
  ARM: dts: add board dts file for EXYNOS4412 based SMDK board
  ARM: dts: Add support for EXYNOS4X12 SoCs
  ARM: EXYNOS: Add devicetree node for TMU driver for exynos5
  ARM: EXYNOS: Add devicetree node for TMU driver for exynos4
  ARM: EXYNOS: Add MFC device tree support
  ARM: dts: Enable serial controllers on Origen and SMDKV310
  Documentation: Update samsung-pinctrl device tree bindings documentation
  pinctrl: samsung: Add GPIO to IRQ translation
  pinctrl: exynos: Set pin function to EINT in irq_set_type of wake-up EINT
  ...

Add/add conflicts in:
	arch/arm/boot/dts/exynos5250-smdk5250.dts
	arch/arm/boot/dts/exynos5250.dtsi
	arch/arm/mach-exynos/mach-exynos5-dt.c

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-11-21 11:30:32 -08:00
Olof Johansson
4aa7cf79b1 Merge branch 'next/gpio-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
From Kukjin Kim:
This is for Samsung gpio stuff and got the ack from Linus Walleij.

* 'next/gpio-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  gpio: samsung: use pr_* instead of printk
  gpio: samsung: Fix input mode setting function for GPIO int
  ARM: SAMSUNG: Insert bitmap_gpio_int member in samsung_gpio_chip
2012-11-21 10:13:53 -08:00
Peter Ujfalusi
14591d888e mfd/rtc/gpio: twl: No need to allocate bigger buffer for write
Since the twl-core has been converted to use regmap it is no longer needed
to allocate bigger buffer for data when writing to twl.

CC: Grant Likely <grant.likely@secretlab.ca>
CC: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-21 16:08:00 +01:00
Axel Lin
b4d4b1f087 gpiolib: Fix use after free in gpiochip_add_pin_range
This is introduced by commit 9ab6e988
"gpiolib: return any error code from range creation".

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 10:08:05 +01:00
Linus Walleij
316511c013 gpiolib: rename pin range arguments
To be crystal clear on what the arguments mean in this
funtion dealing with both GPIO and PIN ranges with confusing
naming, we now have gpio_offset and pin_offset and we are
on the clear that these are offsets into the specific GPIO
and pin controller respectively. The GPIO chip itself will
of course keep track of the base offset into the global
GPIO number space.

Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 10:07:48 +01:00
Linus Walleij
8f23ca1a73 gpiolib: return any error code from range creation
If we try to create a range for a certain GPIO chip and the
target pin controller is not yet available it may return
a probe deferral error code, so handle this all the way
our by checking the error code.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 08:55:11 +01:00
Linus Walleij
192c369c61 gpiolib: rename find_pinctrl_*
Rename the function find_pinctrl_and_add_gpio_range()
to pinctrl_find_and_add_gpio_range() so as to be consistent
with the rest of the functions.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 08:55:10 +01:00
Linus Walleij
3f0f867060 gpiolib: let gpiochip_add_pin_range() specify offset
Like with commit 3c739ad0df
it is not always enough to specify all the pins of a gpio_chip
from offset zero to be added to a pin map range, since the
mapping from GPIO to pin controller may not be linear at all,
but need to be broken into a few consecutive sub-ranges or
1-pin entries for complicated cases. The ranges may also be
sparse.

This alters the signature of the function to accept offsets
into both the GPIO-chip local pinspace and the pin controller
local pinspace.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-21 08:55:03 +01:00
Lars Poeschel
9d5b72de0d gpio: Add viperboard gpio driver
This adds the mfd cell to use the gpio a and gpio b part
of the Nano River Technologies viperboard.

Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-20 12:21:12 +01:00
Fabio Estevam
d511b9c362 gpio: gpio-da9052: Convert to the new da9052 interrupt functions
Convert to the new da9052 interrupt functions, so that we can get rid of
irq_base references.

Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-20 12:21:11 +01:00
Shiraz Hashim
b53bc2819a gpio: SPEAr: add spi chipselect control driver
SPEAr platform provides a provision to control chipselects of ARM PL022
Prime Cell spi controller through its system registers, which otherwise
remains under PL022 control which some protocols do not want.

This commit intends to provide the spi chipselect control in software over
gpiolib interface. spi chip drivers can use the exported gpiolib interface to
define their chipselect through DT or platform data.

Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Reviewed-by: Vipin Kumar <vipin.kumar@st.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-18 00:01:27 +01:00
Daniel M. Weeks
cbf24fad8e gpio-mcp23s08: Build I2C support even when CONFIG_I2C=m
The driver has both SPI and I2C pieces. The appropriate pieces are built based
on whether SPI and/or I2C is/are enabled. However, it was only checking if I2C
was built-in, never if it was built as a module. This patch checks for either
since building both this driver and I2C as modules is possible.

Signed-off-by: Daniel M. Weeks <dan@danweeks.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-17 22:22:24 +01:00
Thierry Reding
cb144fe8e0 gpio: adnp: Depend on OF_GPIO instead of OF
The driver accesses the of_node field of struct gpio_chip, which is only
available if OF_GPIO is selected. This solves a build issue on SPARC
which conflicts with OF_GPIO and therefore does not provide this field.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-17 22:22:23 +01:00
Jamie Lentin
e91337609a mvebu-gpio: Disable blinking when enabling a GPIO for output
The plat-orion GPIO driver would disable any pin blinking whenever
using a pin for output. Do the same here, as a blinking LED will
continue to blink regardless of what the GPIO pin level is.

Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-17 22:22:23 +01:00
Roland Stigge
8754fccbae gpio: gpio-max710x: Support device tree probing
For probing via device tree, we need to support the case without platform_data.
In this case, chip.base is set to -1 for automatic numbering.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-17 21:21:08 +01:00
Peter Ujfalusi
9859eb99e9 gpio: twl4030: Use only TWL4030_MODULE_LED for LED configuration
Avoid using the TWL4030_MODULE_PWMA/B as module ID. The LEDEN, PWMA ON/OFF
and PWMB ON/OFF registers are in a continuous range starting from LED base.
This is going to be helpful for further cleanup in the twl stack.

No functional changes.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-17 21:15:33 +01:00
Laxman Dewangan
195812e4b6 gpio: tegra: read output value when gpio is set in direction_out
Read the output value when gpio is set for the output mode for
gpio_get_value(). Reading input value in direction out does not
give correct value.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-17 21:14:04 +01:00
Maxime Ripard
ed32620ea7 gpio: pca953x: Add compatible strings to gpio-pca953x driver
Even though the device tree binding code was already written, the
compatible strings were not yet in the driver.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-17 21:09:54 +01:00
Maxime Ripard
55ecd26373 gpio: pca953x: Register an IRQ domain
The PCA953x used to register no IRQ domain, which made it impossible to
use it as an interrupt-parent from the device tree.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-17 21:08:32 +01:00
Haojian Zhuang
49ea7fc094 ARM: pxa: remove pxa95x support
PXA95x isn't widely used. And it adds the effort on supporting
multiple platform. So remove it.

The assumption is that nobody will miss this support. If you are
reading this text because you actually require pxa95x support on
a new kernel, we can work out a way to revert this patch or add
support to the mmp platform.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-11-15 13:50:13 +01:00
Laxman Dewangan
fe39f2f4dc mfd: Implement tps6586x gpio_to_irq
The TPS6586x adds the interrupt of this device using
linear mapping on irq domain.
Hence, implement gpio_to_irq to get the irq number
corresponding to TPS6586x GPIOs which is created
dynamically.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-13 20:02:15 +01:00
Linus Walleij
1e63d7b936 gpiolib: separation of pin concerns
The fact that of_gpiochip_add_pin_range() and
gpiochip_add_pin_range() share too much code is fragile and
will invariably mean that bugs need to be fixed in two places
instead of one.

So separate the concerns of gpiolib.c and gpiolib-of.c and
have the latter call the former as back-end. This is necessary
also when going forward with other device descriptions such
as ACPI.

This is done by:

- Adding a return code to gpiochip_add_pin_range() so we can
  reliably check whether this succeeds.

- Get rid of the custom of_pinctrl_add_gpio_range() from
  pinctrl. Instead create of_pinctrl_get() to just retrive the
  pin controller per se from an OF node. This composite
  function was just begging to be deleted, it was way to
  purpose-specific.

- Use pinctrl_dev_get_name() to get the name of the retrieved
  pin controller and use that to call back into the generic
  gpiochip_add_pin_range().

Now the pin range is only allocated and tied to a pin
controller from the core implementation in gpiolib.c.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-11 19:06:07 +01:00
Linus Walleij
9ef0d6f762 gpiolib: call pin removal in chip removal function
This makes us call gpiochio_remove_pin_ranges() in the
gpiochip_remove() function, so we get rid of ranges when
freeing the chip.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-11 19:06:06 +01:00
Linus Walleij
e93fa3f243 gpiolib: remove duplicate pin range code
Commit 69e1601bca88809dc118abd1becb02c15a02ec71
"gpiolib: provide provision to register pin ranges"

Introduced both of_gpiochip_remove_pin_range() and
gpiochip_remove_pin_ranges(). But the contents are exactly
the same so remove the OF one and rely on the range deletion
in the core.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-11 19:06:06 +01:00
Linus Walleij
167c1af944 gpiolib-of: staticize the pin range calls
Commit 69e1601bca88809dc118abd1becb02c15a02ec71
"gpiolib: provide provision to register pin ranges"

Declared the of_gpiochip_[add|remove]_pin_range() global
while they should be static as they are only ever used in
this file. Let's convert them to static.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-11 19:06:05 +01:00
Linus Walleij
165adc9c17 gpiolib: fix up function prototypes etc
Commit 69e1601bca88809dc118abd1becb02c15a02ec71
"gpiolib: provide provision to register pin ranges"

Got most of it's function prototypes wrong, so fix this up by:

- Moving the void declarations into static inlines in
  <linux/gpio.h> (previously the actual prototypes were declared
  here...)

- Declare the gpiochip_add_pin_range() and
  gpiochip_remove_pin_ranges() functions in <asm-generic/gpio.h>
  together with the pin range struct declaration itself.

- Actually only implement these very functions in gpiolib.c
  if CONFIG_PINCTRL is set.

- Additionally export the symbols since modules will need to
  be able to do this.

Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-11 19:06:04 +01:00
Shiraz Hashim
f23f1516b6 gpiolib: provide provision to register pin ranges
pinctrl subsystem needs gpio chip base to prepare set of gpio
pin ranges, which a given pinctrl driver can handle. This is
important to handle pinctrl gpio request calls in order to
program a given pin properly for gpio operation.

As gpio base is allocated dynamically during gpiochip
registration, presently there exists no clean way to pass this
information to the pinctrl subsystem.

After few discussions from [1], it was concluded that may be
gpio controller reporting the pin range it supports, is a
better way than pinctrl subsystem directly registering it.

[1] http://comments.gmane.org/gmane.linux.ports.arm.kernel/184816

Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
[Edited documentation a bit]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-11 19:06:00 +01:00
Linus Torvalds
2b1768f39a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller:
 "Several build/bug fixes for sparc, including:

  1) Configuring a mix of static vs.  modular sparc64 crypto modules
     didn't work, remove an ill-conceived attempt to only have to build
     the device match table for these drivers once to fix the problem.

     Reported by Meelis Roos.

  2) Make the montgomery multiple/square and mpmul instructions actually
     usable in 32-bit tasks.  Essentially this involves providing 32-bit
     userspace with a way to use a 64-bit stack when it needs to.

  3) Our sparc64 atomic backoffs don't yield cpu strands properly on
     Niagara chips.  Use pause instruction when available to achieve
     this, otherwise use a benign instruction we know blocks the strand
     for some time.

  4) Wire up kcmp

  5) Fix the build of various drivers by removing the unnecessary
     blocking of OF_GPIO when SPARC.

  6) Fix unintended regression wherein of_address_to_resource stopped
     being provided.  Fix from Andreas Larsson.

  7) Fix NULL dereference in leon_handle_ext_irq(), also from Andreas
     Larsson."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Fix build with mix of modular vs. non-modular crypto drivers.
  sparc: Support atomic64_dec_if_positive properly.
  of/address: sparc: Declare of_address_to_resource() as an extern function for sparc again
  sparc32, leon: Check for existent irq_map entry in leon_handle_ext_irq
  sparc: Add sparc support for platform_get_irq()
  sparc: Allow OF_GPIO on sparc.
  qlogicpti: Fix build warning.
  sparc: Wire up sys_kcmp.
  sparc64: Improvde documentation and readability of atomic backoff code.
  sparc64: Use pause instruction when available.
  sparc64: Fix cpu strand yielding.
  sparc64: Make montmul/montsqr/mpmul usable in 32-bit threads.
2012-11-10 21:58:34 +01:00
Axel Lin
3764bdde1d gpio: mvebu: Set free callback for gpio_chip
We call pinctrl_request_gpio() in request callback, thus we need to call
pinctrl_free_gpio() in free callback.

Both mvebu_gpio_request() and mvebu_gpio_free() are not referenced outside of
this file, make them static.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-08 22:37:54 +01:00
Axel Lin
65b6ca4667 gpio: tegra: Drop exporting static functions
Both tegra_gpio_enable() and tegra_gpio_disable() are static functions, it does
not make sense to export them.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-08 22:35:31 +01:00
Axel Lin
924a09873c gpio: tegra: Staticize non-exported symbols
Both tegra_gpio_request() and tegra_gpio_free() are not referenced outside of
this file, make them static.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-08 22:33:58 +01:00
Laxman Dewangan
8939ddc76a gpio: tegra: fix suspend/resume apis
Following are changes done to fix the suspend/resume
functionality of tegra gpio driver:
- Protect suspend/resume callbacks with CONFIG_PM_SLEEP
  because CONFIG_PM doesn't actually enable any of the PM callbacks, it
  only allows to enable CONFIG_PM_SLEEP and CONFIG_PM_RUNTIME.
  This means if CONFIG_PM is used to protect system sleep callbacks
  then it may end up unreferenced if only runtime PM is enabled.

- Fix the suspend/resume APIs declaration as per callback prototype.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-08 22:23:18 +01:00
Jingoo Han
343db4bda6 gpio: samsung: use pr_* instead of printk
This patch uses pr_* instead of printk. Also, gpio_dbg
is replaced with pr_debug.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by/Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-11-07 13:10:55 +09:00
Tomasz Figa
ba51bdd306 gpio: samsung: Skip registration if pinctrl driver is present on EXYNOS4X12
This patch modifies the Samsung GPIO driver to check for pinctrl driver
presence earlier and use generic matching instead of a single compatible
value.

This allows us to fix warning about unrecognized SoC in case of
EXYNOS4X12, which is not supported by this driver.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-11-07 09:12:11 +09:00
David S. Miller
afe760e43d sparc: Allow OF_GPIO on sparc.
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-06 15:56:32 -08:00
Alexander Stein
5c868fc629 gpio-pch: Set parent dev for gpio chip
This will show the gpio chip as a child node
under /sys/bus/pci/devices/xxxx:xx:xx.x/

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-04 19:21:29 +01:00
Axel Lin
1631081993 gpio: em: Fix build errors
Fix below build errors:

  CC [M]  drivers/gpio/gpio-em.o
drivers/gpio/gpio-em.c: In function 'em_gio_probe':
drivers/gpio/gpio-em.c:306: error: 'err' undeclared (first use in this function)
drivers/gpio/gpio-em.c:306: error: (Each undeclared identifier is reported only once
drivers/gpio/gpio-em.c:306: error: for each function it appears in.)
drivers/gpio/gpio-em.c:308: error: label 'err3' used but not defined
drivers/gpio/gpio-em.c:279: error: label 'err2' used but not defined
drivers/gpio/gpio-em.c:265: error: label 'err1' used but not defined
drivers/gpio/gpio-em.c:250: error: label 'err0' used but not defined
drivers/gpio/gpio-em.c:309: warning: no return statement in function returning non-void
drivers/gpio/gpio-em.c: At top level:
drivers/gpio/gpio-em.c:311: error: expected identifier or '(' before 'if'
drivers/gpio/gpio-em.c:317: error: expected identifier or '(' before 'if'
drivers/gpio/gpio-em.c:323: warning: data definition has no type or storage class
drivers/gpio/gpio-em.c:323: warning: type defaults to 'int' in declaration of 'ret'
drivers/gpio/gpio-em.c:323: error: 'gpio_chip' undeclared here (not in a function)
drivers/gpio/gpio-em.c:323: error: initializer element is not constant
drivers/gpio/gpio-em.c:324: error: expected identifier or '(' before 'if'
drivers/gpio/gpio-em.c:328: error: expected identifier or '(' before 'return'
drivers/gpio/gpio-em.c:330: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
drivers/gpio/gpio-em.c:332: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
drivers/gpio/gpio-em.c:334: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
drivers/gpio/gpio-em.c:336: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
drivers/gpio/gpio-em.c:338: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
drivers/gpio/gpio-em.c:340: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
drivers/gpio/gpio-em.c:342: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
drivers/gpio/gpio-em.c:344: error: expected identifier or '(' before '}' token
drivers/gpio/gpio-em.c: In function 'em_gio_remove':
drivers/gpio/gpio-em.c:361: error: implicit declaration of function 'em_gio_irq_domain_cleanup'
make[2]: *** [drivers/gpio/gpio-em.o] Error 1
make[1]: *** [drivers/gpio] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-11-04 18:50:15 +01:00
Linus Torvalds
bc909421a9 Some GPIO fixes for the v3.7 series since -rc1:
- Fix a potential bit wrap issue in the Timberdale driver
 - Fix up the buffer allocation size in the 74x164 driver
 - Set the value in direction_output() right in the mvebu driver
 - Return proper error codes for invalid GPIOs
 - Fix an off-mode bug for the OMAP
 - Don't initialized the mask_cach on the mvebu driver
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Merge tag 'gpio-fixes-v3.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 - Fix a potential bit wrap issue in the Timberdale driver
 - Fix up the buffer allocation size in the 74x164 driver
 - Set the value in direction_output() right in the mvebu driver
 - Return proper error codes for invalid GPIOs
 - Fix an off-mode bug for the OMAP
 - Don't initialize the mask_cach on the mvebu driver

* tag 'gpio-fixes-v3.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  GPIO: mvebu-gpio: Don't initialize the mask_cache
  gpio/omap: fix off-mode bug: clear debounce settings on free/reset
  gpiolib: Don't return -EPROBE_DEFER to sysfs, or for invalid gpios
  gpio: mvebu: correctly set the value in direction_output()
  gpio-74x164: Fix buffer allocation size
  gpio-timberdale: fix a potential wrapping issue
2012-10-30 15:56:22 -07:00
Andrew Lunn
8fcff5f137 GPIO: mvebu-gpio: Don't initialize the mask_cache
Due to the SMP nature of some of the chips, which have per CPU
registers, the driver does not use the generic irq_gc_mask_set_bit() &
irq_gc_mask_clr_bit() functions, which only support a single register.
The driver has its own implementation of these functions, which can
pick the correct register depending on the CPU being used. The
functions do however use the gc->mask_cache value.

The call to irq_setup_generic_chip() was passing
IRQ_GC_INIT_MASK_CACHE, which caused the gc->mask_cache to be
initialized to the contents of some random register. This resulted in
unexpected interrupts been delivered from random GPIO lines.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Jamie Lentin <jm@lentin.co.uk>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Michael Walle <michael@walle.cc>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-30 22:34:20 +01:00
Jon Hunter
c9c55d9211 gpio/omap: fix off-mode bug: clear debounce settings on free/reset
This change was originally titled "gpio/omap: fix off-mode bug: clear debounce
clock enable mask on free/reset". The title has been updated slightly to
reflect (what should be) the final fix.

When a GPIO is freed or shutdown, we need to ensure that any debounce settings
are cleared and if the GPIO is the only GPIO in the bank that is currently
using debounce, then disable the debounce clock as well to save power.

Currently, the debounce settings are not cleared on a GPIO free or shutdown and
so during a context restore on subsequent off-mode transition, the previous
debounce values are restored from the shadow copies (bank->context.debounce*)
leading to mismatch state between driver state and hardware state.

This was discovered when board code was doing

  gpio_request_one()
  gpio_set_debounce()
  gpio_free()

which was leaving the GPIO debounce settings in a confused state.  If that GPIO
bank is subsequently used with off-mode enabled, bogus state would be restored,
leaving GPIO debounce enabled which then prevented the CORE powerdomain from
transitioning.

To fix this, introduce a new function called _clear_gpio_debounce() to clear
any debounce settings when the GPIO is freed or shutdown. If this GPIO is the
last debounce-enabled GPIO in the bank, the debounce will also be cut.

Please note that we cannot use _gpio_dbck_disable() to disable the debounce
clock because this has been specifically created for the gpio suspend path
and is intended to shutdown the debounce clock while debounce is enabled.

Special thanks to Kevin Hilman for root causing the bug. This fix is a
collaborative effort with inputs from Kevin Hilman, Grazvydas Ignotas and
Santosh Shilimkar.

Testing:
- This has been unit tested on an OMAP3430 Beagle board, by requesting a gpio,
  enabling debounce and then freeing the gpio and checking the register
  contents, the saved register context and the debounce clock state.
- Kevin Hilman tested on 37xx/EVM board which configures GPIO debounce for the
  ads7846 touchscreen in its board file using the above sequence, and so was
  failing off-mode tests in dynamic idle. Verified that off-mode tests are
  passing with this patch.

V5 changes:
- Corrected author

Reported-by: Paul Walmsley <paul@pwsan.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Grazvydas Ignotas <notasas@gmail.com>
Cc: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-27 18:27:11 +02:00
Wei Yongjun
2cad6a8a4c GPIO: clps711x: use platform_device_unregister in gpio_clps711x_init()
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.

Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases.  All other usage is a bug.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-27 18:17:30 +02:00
Linus Walleij
a362605b34 gpio/tc3589x: convert to use the simple irqdomain
The special checks for whether we have a base IRQ offset or not
is surplus if we use the simple IRQ domain. The IRQ offset
zero will be interpreted as a linear domain case.

Plus this makes sure we allocate descriptors where need be, or
warn if they are preallocated with SPARSE_IRQ.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-26 09:42:22 +02:00
Linus Walleij
7385500a49 gpio/em: convert to linear IRQ domain
The code in the em driver seems to want to try to do the job of
the linear IRQ domain (allocate descriptors and grab a virtual
range). So why not just use the linear IRQ domain? The code is
now cut down so we don't need isolated functions for this.

Also note that we use irq_create_mapping() to make sure
descriptors are allocated for these IRQs.

Also fixed the FIXME to remove the domain after use.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Magnus Damm <damm@opensource.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-26 09:41:45 +02:00
Linus Walleij
ce931f571b gpio/mvebu: convert to use irq_domain_add_simple()
The MVEBU driver probably just wants a few IRQs. Using the simple
domain has the upside of allocating IRQ descriptors if need be,
especially in a SPARSE_IRQ environment.

Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-26 09:39:46 +02:00
Linus Walleij
d023567731 gpio/tegra: convert to use linear irqdomain
The Tegra driver tries to do the work of irq_domain_add_linear()
by reserving a bunch of descriptors somewhere and keeping track
of the base offset, then calling irq_domain_add_legacy(). Let's
stop doing that and simply use the linear IRQ domain.

For this to work: use irq_create_mapping() in the IRQ iterator
so that the descriptors get allocated here.

Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-26 09:37:22 +02:00
Dan Carpenter
529f2ad5e3 gpiolib: unlock on error in gpio_export()
We need to unlock here before returning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-26 09:35:17 +02:00
Mathias Nyman
ad2fab36d7 gpiolib: Don't return -EPROBE_DEFER to sysfs, or for invalid gpios
gpios requested with invalid numbers, or gpios requested from userspace via sysfs
should not try to be deferred on failure.

Cc: stable@kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-26 09:25:10 +02:00
Mathias Nyman
80b0a60292 gpiolib: add gpio get direction callback support
Add .get_direction callback to gpio_chip. This allows gpiolib
to check the current direction of a gpio.
Used to show the correct gpio direction in sysfs and debug entries.

If callback is not set then gpiolib will work as previously;
e.g. guessing everything is input until a direction is set.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-26 09:18:55 +02:00
Alexander Shiyan
d6a2fa0424 GPIO: clps711x: Fix direction logic for PORTD
PORTD have different direction logic, i.e. "0" is output and "1" is input.
This patch fix this issue.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-26 09:16:15 +02:00
Alexander Shiyan
41b3996e3b GPIO: clps711x: Fix return value for gpio_clps711x_get
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-24 10:03:20 +02:00
Thomas Petazzoni
c57d75c099 gpio: mvebu: correctly set the value in direction_output()
The ->direction_output() operation of gpio_chip is supposed to set the
direction to output but also to set the GPIO to an initial
value. Unfortunately, this last part was not done until now, causing
for example the LEDs to not be properly set to their default initial
value. This patch fixes this by calling the mvebu_gpio_set() function
from mvebu_gpio_direction_output() before configuring the GPIO as an
output GPIO.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-24 07:36:35 +02:00
Eunki Kim
2b88ff4a75 gpio: samsung: Fix input mode setting function for GPIO int
This patch makes GPIO pin to INTERRUPT mode or INPUT mode according
to bitmap_gpio_int. When the related bit of bitmap_gpio_int is set,
it makes GPIO pin to INTERRUPT mode instrad of INPUT mode in the
samsung_gpiolib_4bit_input function.

Signed-off-by: Eunki Kim <eunki_kim@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-10-23 22:39:38 +09:00
Ryan Mallon
fc4e251499 gpiolib: Refactor gpio_export
The gpio_export function uses nested if statements and the status
variable to handle the failure cases. This makes the function logic
difficult to follow. Refactor the code to abort immediately on failure
using goto. This makes the code slightly longer, but significantly
reduces the nesting and number of split lines and makes the code easier
to read.

Signed-off-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-23 00:13:36 +02:00
Tony Prisk
67a0d4993d GPIO: vt8500: Add extended gpio bank for WM8505/WM8650
These SoC's have an extended bank of GPIO's seperate to the main
GPIO block. This patch adds the additional 5 GPIO's located in this
block which control I2C and PWMOUT.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-19 13:13:36 +02:00
Axel Lin
7cf8c9f781 gpio: mvebu: Add missing breaks in mvebu_gpio_irq_set_type
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-10-17 17:40:18 +00:00
Roland Stigge
a48221a26e gpio-74x164: Fix buffer allocation size
The new registers handling in the gpio-74x164 driver allocates chip->registers
* 8 bytes where only one byte per register is necessary. This patch fixes this.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-16 19:34:43 +02:00
Alexander Shiyan
a3b8d4a513 GPIO: Add support for GPIO on CLPS711X-target platform
The CLPS711X CPUs provide some GPIOs for use in the system. This
driver provides support for these via gpiolib. Due to platform
limitations, driver does not support interrupts, only inputs and
outputs.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 21:25:00 +02:00
Ashish Jangam
04ed427971 DA9055 GPIO driver
This is the GPIO patch for the DA9055 PMIC. This patch has got
dependency on the DA9055 MFD core.

This patch is functionally tested on SMDK6410 board.

Signed-off-by: David Dajun Chen <dchen@diasemi.com>
Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 20:50:14 +02:00
Tobias Klauser
086d585f13 gpio/gpio-omap: Use existing pointer to struct device
A pointer to "pdev->dev" is already stored in "dev", so use it in
devm_kzalloc.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 20:50:13 +02:00
Tobias Klauser
8944df726c gpio/gpio-pl061: Covert to use devm_* functions
Use the devm_* family of functions during probe to reduce the error
handling code footprint.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 20:50:13 +02:00
Dan Carpenter
d79550a7bc gpio-timberdale: fix a potential wrapping issue
->last_ier is an unsigned long but the high bits can't be used int the
original code because the shift wraps.

Cc: stable@kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-10-15 20:50:03 +02:00
Linus Torvalds
de390bba79 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS update from Ralf Baechle:
 "This is the MIPS update for 3.7.

  A fair chunk of them are platform updates to the Cavium Octeon SOC
  (which involves machine generated header files of considerable size),
  Atheros ATH79xx, RMI aka Netlogic aka Broadcom XLP, Broadcom BCM63xx
  platforms.

  Support for the commercial MIPS simulator MIPSsim has been removed as
  MIPS Technologies is shifting away from this product and Qemu is
  offering various more powerful platforms.  The generic MIPS code can
  now also probe for no-execute / write-only TLB features implemented
  without the full SmartMIPS extension as permitted by the latest MIPS
  processor architecture.  Lots of small changes to generic code."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (78 commits)
  MIPS: ath79: Fix CPU/DDR frequency calculation for SRIF PLLs
  MIPS: ath79: use correct fractional dividers for {CPU,DDR}_PLL on AR934x
  MIPS: BCM63XX: Properly handle mac address octet overflow
  MIPS: Kconfig: Avoid build errors by hiding USE_OF from the user.
  MIPS: Replace `-' in defconfig filename wth `_' for consistency.
  MIPS: Wire kcmp syscall.
  MIPS: MIPSsim: Remove the MIPSsim platform.
  MIPS: NOTIFY_RESUME is not needed in TIF masks
  MIPS: Merge the identical "return from syscall" per-ABI code
  MIPS: Unobfuscate _TIF..._MASK
  MIPS: Prevent hitting do_notify_resume() with !user_mode(regs).
  MIPS: Replace 'kernel_uses_smartmips_rixi' with 'cpu_has_rixi'.
  MIPS: Add base architecture support for RI and XI.
  MIPS: Optimise TLB handlers for MIPS32/64 R2 cores.
  MIPS: uasm: Add INS and EXT instructions.
  MIPS: Avoid pipeline stalls on some MIPS32R2 cores.
  MIPS: Make VPE count to be one-based.
  MIPS: Add new end of interrupt functionality for GIC.
  MIPS: Add EIC support for GIC.
  MIPS: Code clean-ups for the GIC.
  ...
2012-10-09 16:08:04 +09:00
Linus Torvalds
5e090ed7af ARM: soc: late platform updates
This branch contains updates to OMAP and Marvell platforms (kirkwood,
 dove, mvebu) that came in after we had done the big multiplatform merges,
 so they were kept separate from the rest, and not separated into the
 traditional topics of cleanup/driver/platform features.
 
 For OMAP, the updates are:
 - Runtime PM conversions for the GPMC and RNG IP blocks
 - Preparation patches for the OMAP common clock framework conversion
 - clkdev alias additions required by other drivers
 - Performance Monitoring Unit (PMU) support for OMAP2, 3, and non-4430 OMAP4
 - OMAP hwmod code and data improvements
 - Preparation patches for the IOMMU runtime PM conversion
 - Preparation patches for OMAP4 full-chip retention support
 
 For Kirkwood/Dove/mvebu:
 
 - New driver for "address decoder controller" for mvebu, which
   is a piece of hardware that configures addressable devices and
   peripherals. First user is the boot rom aperture on armada XP since
   it is needed for SMP support.
 - New device tree bindings for peripherals such as gpio-fan, iconnect
   nand, mv_cesa and the above address decoder controller.
 - Some defconfig updates, mostly to enable new DT boards and a few drivers.
 - New drivers using the pincontrol subsystem for dove, kirkwood and mvebu
 - New clean gpio driver for mvebu
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Merge tag 'soc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull late ARM soc platform updates from Olof Johansson:
 "This branch contains updates to OMAP and Marvell platforms (kirkwood,
  dove, mvebu) that came in after we had done the big multiplatform
  merges, so they were kept separate from the rest, and not separated
  into the traditional topics of cleanup/driver/platform features.

  For OMAP, the updates are:
   - Runtime PM conversions for the GPMC and RNG IP blocks
   - Preparation patches for the OMAP common clock framework conversion
   - clkdev alias additions required by other drivers
   - Performance Monitoring Unit (PMU) support for OMAP2, 3, and
     non-4430 OMAP4
   - OMAP hwmod code and data improvements
   - Preparation patches for the IOMMU runtime PM conversion
   - Preparation patches for OMAP4 full-chip retention support

  For Kirkwood/Dove/mvebu:
   - New driver for "address decoder controller" for mvebu, which is a
     piece of hardware that configures addressable devices and
     peripherals.  First user is the boot rom aperture on armada XP
     since it is needed for SMP support.
   - New device tree bindings for peripherals such as gpio-fan, iconnect
     nand, mv_cesa and the above address decoder controller.
   - Some defconfig updates, mostly to enable new DT boards and a few
     drivers.
   - New drivers using the pincontrol subsystem for dove, kirkwood and
     mvebu
   - New clean gpio driver for mvebu"

* tag 'soc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (98 commits)
  ARM: mvebu: fix build breaks from multi-platform conversion
  ARM: OMAP4460/4470: PMU: Enable PMU for OMAP4460/70
  ARM: OMAP2+: PMU: Add runtime PM support
  ARM: OMAP4430: PMU: prepare to create PMU device via HWMOD
  ARM: OMAP2+: PMU: Convert OMAP2/3 devices to use HWMOD
  ARM: OMAP3: hwmod data: Add debugss HWMOD data
  ARM: OMAP2+: clockdomain/hwmod: add workaround for EMU clockdomain idle problems
  ARM: OMAP: Add a timer attribute for timers that can interrupt the DSP
  hwrng: OMAP: remove SoC restrictions from driver registration
  ARM: OMAP: split OMAP1, OMAP2+ RNG device registration
  hwrng: OMAP: convert to use runtime PM
  hwrng: OMAP: store per-device data in per-device variables, not file statics
  ARM: OMAP2xxx: hwmod/CM: add RNG integration data
  ARM: OMAP2+: gpmc: minimal driver support
  ARM: OMAP2+: gpmc: Adapt to HWMOD
  ARM: OMAP2/3: hwmod data: add gpmc
  ARM: OMAP4: hwmod data: add mmu hwmod for ipu and dsp
  ARM: OMAP3: hwmod data: add mmu data for iva and isp
  ARM: OMAP: iommu: fix including iommu.h without IOMMU_API selected
  ARM: OMAP4: hwmod data: add missing HWMOD_NO_IDLEST flags to some PRCM IP blocks
  ...
2012-10-07 20:55:16 +09:00
Linus Torvalds
0b8e74c6f4 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
 "The first part of the media updates for Kernel 3.7.

  This series contain:

   - A major tree renaming patch series: now, drivers are organized
     internally by their used bus, instead of by V4L2 and/or DVB API,
     providing a cleaner driver location for hybrid drivers that
     implement both APIs, and allowing to cleanup the Kconfig items and
     make them more intuitive for the end user;

   - Media Kernel developers are typically very lazy with their duties
     of keeping the MAINTAINERS entries for their drivers updated.  As
     now the tree is more organized, we're doing an effort to add/update
     those entries for the drivers that aren't currently orphan;

   - Several DVB USB drivers got moved to a new DVB USB v2 core; the new
     core fixes several bugs (as the existing one that got bitroted).
     Now, suspend/resume finally started to work fine (at least with
     some devices - we should expect more work with regards to it);

   - added multistream support for DVB-T2, and unified the API for
     DVB-S2 and ISDB-S.  Backward binary support is preserved;

   - as usual, a few new drivers, some V4L2 core improvements and lots
     of drivers improvements and fixes.

  There are some points to notice on this series:

   1) you should expect a trivial merge conflict on your tree, with the
      removal of Documentation/feature-removal-schedule.txt: this series
      would be adding two additional entries there.  I opted to not
      rebase it due to this recent change;

   2) With regards to the PCTV 520e udev-related breakage, I opted to
      fix it in a way that the patches can be backported to 3.5 even
      without your firmware fix patch.  This way, Greg doesn't need to
      rush backporting your patch (as there are still the firmware cache
      and firmware path customization issues to be addressed there).

      I'll send later a patch (likely after the end of the merge window)
      reverting the rest of the DRX-K async firmware request, fully
      restoring its original behaviour to allow media drivers to
      initialize everything serialized as before for 3.7 and upper.

   3) I'm planning to work on this weekend to test the DMABUF patches
      for V4L2.  The patches are on my queue for several Kernel cycles,
      but, up to now, there is/was no way to test the series locally.

      I have some concerns about this particular changeset with regards
      to security issues, and with regards to the replacement of the old
      VIDIOC_OVERLAY ioctl's that is broken on modern systems, due to
      GPU drivers change.  The Overlay API allows direct PCI2PCI
      transfers from a media capture card into the GPU framebuffer, but
      its API is crappy.  Also, the only existing X11 driver that
      implements it requires a XV extension that is not available
      anymore on modern drivers.  The DMABUF can do the same thing, but
      with it is promising to be a properly-designed API.  If I can
      successfully test this series and be happy with it, I should be
      asking you to pull them next week."

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (717 commits)
  em28xx: regression fix: use DRX-K sync firmware requests on em28xx
  drxk: allow loading firmware synchrousnously
  em28xx: Make all em28xx extensions to be initialized asynchronously
  [media] tda18271: properly report read errors in tda18271_get_id
  [media] tda18271: delay IR & RF calibration until init() if delay_cal is set
  [media] MAINTAINERS: add Michael Krufky as tda827x maintainer
  [media] MAINTAINERS: add Michael Krufky as tda8290 maintainer
  [media] MAINTAINERS: add Michael Krufky as cxusb maintainer
  [media] MAINTAINERS: add Michael Krufky as lg2160 maintainer
  [media] MAINTAINERS: add Michael Krufky as lgdt3305 maintainer
  [media] MAINTAINERS: add Michael Krufky as mxl111sf maintainer
  [media] MAINTAINERS: add Michael Krufky as mxl5007t maintainer
  [media] MAINTAINERS: add Michael Krufky as tda18271 maintainer
  [media] s5p-tv: Report only multi-plane capabilities in vidioc_querycap
  [media] s5p-mfc: Fix misplaced return statement in s5p_mfc_suspend()
  [media] exynos-gsc: Add missing static storage class specifiers
  [media] exynos-gsc: Remove <linux/version.h> header file inclusion
  [media] s5p-fimc: Fix incorrect condition in fimc_lite_reqbufs()
  [media] s5p-tv: Fix potential NULL pointer dereference error
  [media] s5k6aa: Fix possible NULL pointer dereference
  ...
2012-10-07 17:49:05 +09:00
Linus Torvalds
578f1ef91a MFD bits for the 3.7 merge window.
As usual we have a few new drivers:
 
 - TI LP8788
 - TI OMAP USB TLL
 - Maxim MAX8907
 - SMSC ECE1099
 - Dialog Semiconductor DA9055
 - A simpler syscon driver that allow us to get rid of the anatop one.
 
 Drivers are also gradually getting Device Tree and IRQ domain support.
 
 The following drivers got DT support:
 - palmas, 88pm860x, tc3589x and twl4030-audio
 
 And those ones now use the IRQ domain APIs:
 - 88pm860x, tc3589x, db8500_prcmu
 
 Also some other interesting changes:
 - Intel's ICH LPC now supports Lynx Point
 - TI's twl4030-audio added a GPO child
 - tps6527 enabled its backlight subdevice
 - The twl6030 pwm driver moved to the new PWM subsystem
 
 And finally a bunch of cleanup and casual fixes for mc13xxx, 88pm860x, palmas,
 ab8500, wm8994, wm5110, max8907 and the tps65xxx family.
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Merge tag 'mfd-3.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD changes from Samuel Ortiz:
 "MFD bits for the 3.7 merge window.

  As usual we have a few new drivers:

   - TI LP8788
   - TI OMAP USB TLL
   - Maxim MAX8907
   - SMSC ECE1099
   - Dialog Semiconductor DA9055
   - A simpler syscon driver that allow us to get rid of the anatop one.

  Drivers are also gradually getting Device Tree and IRQ domain support.

  The following drivers got DT support:
   - palmas, 88pm860x, tc3589x and twl4030-audio

  And those ones now use the IRQ domain APIs:
   - 88pm860x, tc3589x, db8500_prcmu

  Also some other interesting changes:
   - Intel's ICH LPC now supports Lynx Point
   - TI's twl4030-audio added a GPO child
   - tps6527 enabled its backlight subdevice
   - The twl6030 pwm driver moved to the new PWM subsystem

  And finally a bunch of cleanup and casual fixes for mc13xxx, 88pm860x,
  palmas, ab8500, wm8994, wm5110, max8907 and the tps65xxx family."

Fix up various annoying conflicts: the DT and IRQ domain support came in
twice and was already in 3.6. And then it was apparently rebased.

Guys, DON'T REBASE!

* tag 'mfd-3.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (89 commits)
  ARM: dts: Enable 88pm860x pmic
  mfd: 88pm860x: Move gpadc init into touch
  mfd: 88pm860x: Device tree support
  mfd: 88pm860x: Use irqdomain
  mfd: smsc: Add support for smsc gpio io/keypad driver
  backlight: tps65217_bl: Add missing platform_set_drvdata in tps65217_bl_probe
  mfd: DA9055 core driver
  mfd: tps65910: Add alarm interrupt of TPS65910 RTC to mfd device list
  mfd: wm5110: Add register patches for revision B
  mfd: wm5110: Disable control interface error report for WM5110 rev B
  mfd: max8907: Remove regulator-compatible from DT docs
  backlight: Add TPS65217 WLED driver
  mfd: Add backlight as subdevice to the tps65217
  mfd: Provide the PRCMU with its own IRQ domain
  mfd: Fix max8907 sparse warning
  mfd: Add lp8788 mfd driver
  mfd: dbx500: Provide a more accurate smp_twd clock
  mfd: rc5t583: Fix warning messages
  regulator: palmas: Add DT support
  mfd: palmas: Change regulator defns to better suite DT
  ...
2012-10-05 12:01:30 +09:00
Linus Torvalds
dff8360a4a So this is the LW GPIO patch stack for v3.7:
- refactoring from Thierry Redding at Arnd Bergmann's request to use
   the seq_file iterator interface in gpiolib.
 - A new driver for Avionic Design's N-bit GPIO expander.
 - Two instances of mutexes replaced by spinlocks from Axel Lin to
   code that is supposed to be fastpath compliant.
 - IRQ demuxer and gpio_to_irq() support for pcf857x by Kuninori
   Morimoto.
 - Dynamic GPIO numbers, device tree support, daisy chaining and some
   other fixes for the 74x164 driver by Maxime Ripard.
 - IRQ domain and device tree support for the tc3589x driver by
   Lee Jones.
 - Some conversion to use managed resources devm_* code.
 - Some instances of clk_prepare() or clk_prepare_enable() added to
   support the new, stricter common clock framework.
 - Some for_each_set_bit() simplifications.
 - Then a lot of fixes as we fixed up all of the above tripping over
   our own shoelaces and that kind of thing.
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Merge tag 'gpio-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO changes from Linus Walleij:
 "So this is the LW GPIO patch stack for v3.7:
   - refactoring from Thierry Redding at Arnd Bergmann's request to use
     the seq_file iterator interface in gpiolib.
   - A new driver for Avionic Design's N-bit GPIO expander.
   - Two instances of mutexes replaced by spinlocks from Axel Lin to
     code that is supposed to be fastpath compliant.
   - IRQ demuxer and gpio_to_irq() support for pcf857x by Kuninori
     Morimoto.
   - Dynamic GPIO numbers, device tree support, daisy chaining and some
     other fixes for the 74x164 driver by Maxime Ripard.
   - IRQ domain and device tree support for the tc3589x driver by Lee
     Jones.
   - Some conversion to use managed resources devm_* code.
   - Some instances of clk_prepare() or clk_prepare_enable() added to
     support the new, stricter common clock framework.
   - Some for_each_set_bit() simplifications.
   - Then a lot of fixes as we fixed up all of the above tripping over
     our own shoelaces and that kind of thing."

* tag 'gpio-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (34 commits)
  gpio: pcf857x: select IRQ_DOMAIN
  gpio: Document device_node's det_debounce
  gpio-lpc32xx: Add GPI_28
  gpio: adnp: dt: Reference generic interrupt binding
  gpio: Add Avionic Design N-bit GPIO expander support
  gpio: pxa: using for_each_set_bit to simplify the code
  gpio_msm: using for_each_set_bit to simplify the code
  gpio: Enable the tc3298x GPIO expander driver for Device Tree
  gpio: Provide the tc3589x GPIO expander driver with an IRQ domain
  ARM: shmobile: kzm9g: use gpio-keys instead of gpio-keys-polled
  gpio: pcf857x: fixup smatch WARNING
  gpio: 74x164: Add support for the daisy-chaining
  gpio: 74x164: dts: Add documentation for the dt binding
  dt: Fix incorrect reference in gpio-led documentation
  gpio: 74x164: Add device tree support
  gpio: 74x164: Use dynamic gpio number assignment if no pdata is present
  gpio: 74x164: Use devm_kzalloc
  gpio: 74x164: Use module_spi_driver boiler plate function
  gpio: sx150x: Use irq_data_get_irq_chip_data() at appropriate places
  gpio: em: Use irq_data_get_irq_chip_data() at appropriate places
  ...
2012-10-02 16:05:10 -07:00
Linus Torvalds
8f446a7a06 ARM: soc: driver specific changes
- A long-coming conversion of various platforms to a common LED
   infrastructure
 - AT91 is moved over to use the newer MCI driver for MMC
 - Pincontrol conversions for samsung platforms
 - DT bindings for gscaler on samsung
 - i2c driver fixes for tegra, acked by i2c maintainer
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc driver specific changes from Olof Johansson:
 - A long-coming conversion of various platforms to a common LED
   infrastructure
 - AT91 is moved over to use the newer MCI driver for MMC
 - Pincontrol conversions for samsung platforms
 - DT bindings for gscaler on samsung
 - i2c driver fixes for tegra, acked by i2c maintainer

Fix up conflicts as per Olof.

* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  drivers: bus: omap_l3: use resources instead of hardcoded irqs
  pinctrl: exynos: Fix wakeup IRQ domain registration check
  pinctrl: samsung: Uninline samsung_pinctrl_get_soc_data
  pinctrl: exynos: Correct the detection of wakeup-eint node
  pinctrl: exynos: Mark exynos_irq_demux_eint as inline
  pinctrl: exynos: Handle only unmasked wakeup interrupts
  pinctrl: exynos: Fix typos in gpio/wkup _irq_mask
  pinctrl: exynos: Set pin function to EINT in irq_set_type of GPIO EINTa
  drivers: bus: Move the OMAP interconnect driver to drivers/bus/
  i2c: tegra: dynamically control fast clk
  i2c: tegra: I2_M_NOSTART functionality not supported in Tegra20
  ARM: tegra: clock: remove unused clock entry for i2c
  ARM: tegra: clock: add connection name in i2c clock entry
  i2c: tegra: pass proper name for getting clock
  ARM: tegra: clock: add i2c fast clock entry in clock table
  ARM: EXYNOS: Adds G-Scaler device from Device Tree
  ARM: EXYNOS: Add clock support for G-Scaler
  ARM: EXYNOS: Enable pinctrl driver support for EXYNOS4 device tree enabled platform
  ARM: dts: Add pinctrl node entries for SAMSUNG EXYNOS4210 SoC
  ARM: EXYNOS: skip wakeup interrupt setup if pinctrl driver is used
  ...
2012-10-01 18:46:13 -07:00
Linus Torvalds
84be4ae2c0 ARM: soc: soc-specific updates, take 2
This branch converts the MXS Freescale platform to use irqdomains and
 sparse IRQ, in preparation for DT probing and multiplatform kernels.
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Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc-specific updates, take 2 from Olof Johansson:
 "This branch converts the MXS Freescale platform to use irqdomains and
  sparse IRQ, in preparation for DT probing and multiplatform kernels."

* tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: mxs: remove mach/irqs.h
  ARM: mxs: select SPARSE_IRQ
  ARM: mxs: adopt irq_domain support for icoll driver
  ARM: mxs: select MULTI_IRQ_HANDLER
  ARM: mxs: retrieve timer irq from device tree
  gpio/mxs: adopt irq_domain support for mxs gpio driver
2012-10-01 18:35:58 -07:00
Linus Torvalds
2a2bf85f05 ARM: soc: device tree updates
Device tree conversion and enablement branch. Mostly a bunch of new
 bindings and setup for various platforms, but the Via/Winchip VT8500
 platform is also converted over from being 100% legacy to now use
 device tree for probing. More of that will come for 3.8.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc device tree updates from Olof Johansson:
 "Device tree conversion and enablement branch.  Mostly a bunch of new
  bindings and setup for various platforms, but the Via/Winchip VT8500
  platform is also converted over from being 100% legacy to now use
  device tree for probing.  More of that will come for 3.8."

Trivial conflicts due to removal of vt8500 files, and one documentation
file that was added with slightly different contents both here and in
the USb tree.

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (212 commits)
  arm: vt8500: Fixup for missing gpio.h
  ARM: LPC32xx: LED fix in PHY3250 DTS file
  ARM: dt: mmp-dma: add binding file
  arm: vt8500: Update arch-vt8500 to devicetree support.
  arm: vt8500: gpio: Devicetree support for arch-vt8500
  arm: vt8500: doc: Add device tree bindings for arch-vt8500 devices
  arm: vt8500: clk: Add Common Clock Framework support
  video: vt8500: Add devicetree support for vt8500-fb and wm8505-fb
  serial: vt8500: Add devicetree support for vt8500-serial
  rtc: vt8500: Add devicetree support for vt8500-rtc
  arm: vt8500: Add device tree files for VIA/Wondermedia SoC's
  ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support
  ARM: tegra: Add Avionic Design Medcom-Wide support
  ARM: tegra: Add Avionic Design Plutux support
  ARM: tegra: Add Avionic Design Tamonten support
  ARM: tegra: dts: Add pwm label
  ARM: ux500: Fix SSP register address format
  ARM: ux500: Apply tc3589x's GPIO/IRQ properties to HREF's DT
  ARM: ux500: Remove redundant #gpio-cell properties from Snowball DT
  ARM: ux500: Add all encompassing sound node to the HREF Device Tree
  ...
2012-10-01 18:28:06 -07:00
Linus Torvalds
61464c8357 ARM: soc: general cleanups
This is a large branch that contains a handful of different cleanups:
 
 - Fixing up the I/O space remapping on PCI on ARM. This is a series
   from Rob Herring that restructures how all pci devices allocate I/O
   space, and it's part of the work to allow multiplatform kernels.
 - A number of cleanup series for OMAP, moving and removing some
   headers, sparse irq rework and in general preparation for
   multiplatform.
 - Final removal of all non-DT boards for Tegra, it is now
   device-tree-only!
 - Removal of a stale platform, nxp4008. It's an old mobile chipset
   that is no longer in use, and was very likely never really used with
   a mainline kernel. We have not been able to find anyone interested
   in keeping it around in the kernel.
 - Removal of the legacy dmaengine driver on tegra
 
 + A handful of other things that I haven't described above.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM soc general cleanups from Olof Johansson:
 "This is a large branch that contains a handful of different cleanups:

   - Fixing up the I/O space remapping on PCI on ARM.  This is a series
     from Rob Herring that restructures how all pci devices allocate I/O
     space, and it's part of the work to allow multiplatform kernels.
   - A number of cleanup series for OMAP, moving and removing some
     headers, sparse irq rework and in general preparation for
     multiplatform.
   - Final removal of all non-DT boards for Tegra, it is now
     device-tree-only!
   - Removal of a stale platform, nxp4008.  It's an old mobile chipset
     that is no longer in use, and was very likely never really used
     with a mainline kernel.  We have not been able to find anyone
     interested in keeping it around in the kernel.
   - Removal of the legacy dmaengine driver on tegra

  + A handful of other things that I haven't described above."

Fix up some conflicts with the staging tree (and because nxp4008 was
removed)

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (184 commits)
  ARM: OMAP2+: serial: Change MAX_HSUART_PORTS to 6
  ARM: OMAP4: twl-common: Support for additional devices on i2c1 bus
  ARM: mmp: using for_each_set_bit to simplify the code
  ARM: tegra: harmony: fix ldo7 regulator-name
  ARM: OMAP2+: Make omap4-keypad.h local
  ARM: OMAP2+: Make l4_3xxx.h local
  ARM: OMAP2+: Make l4_2xxx.h local
  ARM: OMAP2+: Make l3_3xxx.h local
  ARM: OMAP2+: Make l3_2xxx.h local
  ARM: OMAP1: Move irda.h from plat to mach
  ARM: OMAP2+: Make hdq1w.h local
  ARM: OMAP2+: Make gpmc-smsc911x.h local
  ARM: OMAP2+: Make gpmc-smc91x.h local
  ARM: OMAP1: Move flash.h from plat to mach
  ARM: OMAP2+: Make debug-devices.h local
  ARM: OMAP1: Move board-voiceblue.h from plat to mach
  ARM: OMAP1: Move board-sx1.h from plat to mach
  ARM: OMAP2+: Make omap-wakeupgen.h local
  ARM: OMAP2+: Make omap-secure.h local
  ARM: OMAP2+: Make ctrl_module_wkup_44xx.h local
  ...
2012-10-01 18:19:05 -07:00
Linus Torvalds
47061eda25 ARM: soc: non-critical bug fixes
These were submitted as bug fixes before v3.6 but not considered important
 enough to be included in it. Some of them cross over to cleanup territory
 as well, and aren't strictly bugfixes.
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Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull non-critical ARM soc bug fixes from Olof Johansson:
 "These were submitted as bug fixes before v3.6 but not considered
  important enough to be included in it.  Some of them cross over to
  cleanup territory as well, and aren't strictly bugfixes."

* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  ARM: nomadik: remove NAND_NO_READRDY use
  ARM: pxa: fix return value check in pxa2xx_drv_pcmcia_probe()
  ARM: SAMSUNG: Add missing variable declaration in s3c64xx_spi1_set_platdata()
  ARM: S3C24XX: removes unnecessary semicolon
  ARM: S3C24xx: delete double assignment
  ARM: EXYNOS: fix address for EXYNOS4 MDMA1
  ARM: EXYNOS: fixed SYSMMU setup definition to mate parameter name
  ARM: ep93xx: Move ts72xx.h out of include/mach
  ARM: ep93xx: use __iomem pointers for MMIO
  ARM: msm: Fix early debug uart mapping on some memory configs
  ARM: msm: io: Change the default static iomappings to be shared
  ARM: msm: io: Remove 7x30 iomap region from 7x00
  ARM: msm: Remove call to missing FPGA init on 8660
  ARM: OMAP4: wakeupgen: remove duplicate AUXCOREBOOT* read/write
  ARM: OMAP4: wakeupgen: Fix the typo in AUXCOREBOOT register save
  dma: tegra: make data used as *of_device_id.data const
  can: mpc5xxx_can: make data used as *of_device_id.data const
  macintosh/mediabay: make data used as *of_device_id.data const
  i2c/mpc: make data used as *of_device_id.data const
  mfd/da9052: make i2c_device_id array const
  ...
2012-10-01 18:02:07 -07:00
Mauro Carvalho Chehab
aaf675f53a Linux 3.6
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Merge tag 'v3.6' into staging/for_v3.7

Linux 3.6

* tag 'v3.6': (562 commits)
  Linux 3.6
  vfs: dcache: fix deadlock in tree traversal
  mtdchar: fix offset overflow detection
  thp: avoid VM_BUG_ON page_count(page) false positives in __collapse_huge_page_copy
  iommu/amd: Fix wrong assumption in iommu-group specific code
  netdev: octeon: fix return value check in octeon_mgmt_init_phy()
  ALSA: snd-usb: fix next_packet_size calls for pause case
  inetpeer: fix token initialization
  qlcnic: Fix scheduling while atomic bug
  bnx2: Clean up remaining iounmap
  trivial select_parent documentation fix
  net: phy: smsc: Implement PHY config_init for LAN87xx
  smsc75xx: fix resume after device reset
  um: Preinclude include/linux/kern_levels.h
  um: Fix IPC on um
  netdev: pasemi: fix return value check in pasemi_mac_phy_init()
  team: fix return value check
  l2tp: fix return value check
  USB: Fix race condition when removing host controllers
  USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq
  ...
2012-10-01 14:52:40 -03:00
Arnd Bergmann
901acf5b29 gpio: pcf857x: select IRQ_DOMAIN
Patch 6e20a0a4 "gpio: pcf857x: enable gpio_to_irq() support"
added IRQ domain support to the pcf857x driver, but some configurations
(e.g. davinci_all_defconfig) don't already enable CONFIG_IRQ_DOMAIN.

Always selecting it from the Kconfig in this case is what other
such drivers do as well, and avoids these build errors:

Without this patch, building davinci_all_defconfig results in:

drivers/gpio/gpio-pcf857x.c: In function 'pcf857x_to_irq':
drivers/gpio/gpio-pcf857x.c:167:2: error: implicit declaration of function 'irq_create_mapping'
drivers/gpio/gpio-pcf857x.c: In function 'pcf857x_irq_demux_work':
drivers/gpio/gpio-pcf857x.c:183:3: error: implicit declaration of function 'irq_find_mapping'
drivers/gpio/gpio-pcf857x.c: In function 'pcf857x_irq_domain_cleanup':
drivers/gpio/gpio-pcf857x.c:218:3: error: implicit declaration of function 'irq_domain_remove'
drivers/gpio/gpio-pcf857x.c: In function 'pcf857x_irq_domain_init':
drivers/gpio/gpio-pcf857x.c:230:2: error: implicit declaration of function 'irq_domain_add_linear'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-30 23:38:53 +02:00
Roland Stigge
71fde00095 gpio-lpc32xx: Add GPI_28
This patch adds the missing gpi28 to the list of GPIOs in the GPI P3 "chip".

NOTE: This patch depends on incrementing LPC32XX_GPI_P3_MAX.  When applied
without the respective mach-lpc32xx patch (merged via arm-soc.git), gcc will
give a warning about "excess elements in array initializer" but this doesn't
harm.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-30 10:25:45 +02:00
Roland Stigge
b1268d3737 gpio-lpc32xx: Fix value handling of gpio_direction_output()
For GPIOs of gpio-lpc32xx, gpio_direction_output() ignores the value argument
(initial value of output). This patch fixes this by setting the level
accordingly.

Cc: stable@kernel.org
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-24 21:56:01 +02:00
Olof Johansson
db404e72bb Update arch-vt8500 and drivers to device tree and
remove existing non-dt code.
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Merge tag 'vt8500-for-next' of git://git.code.sf.net/p/linuxwmt/code into next/dt

From Tony Prisk:

Update arch-vt8500 and drivers to device tree and
remove existing non-dt code.

* tag 'vt8500-for-next' of git://git.code.sf.net/p/linuxwmt/code:
  arm: vt8500: Update arch-vt8500 to devicetree support.
  arm: vt8500: gpio: Devicetree support for arch-vt8500
  arm: vt8500: doc: Add device tree bindings for arch-vt8500 devices
  arm: vt8500: clk: Add Common Clock Framework support
  video: vt8500: Add devicetree support for vt8500-fb and wm8505-fb
  serial: vt8500: Add devicetree support for vt8500-serial
  rtc: vt8500: Add devicetree support for vt8500-rtc
  arm: vt8500: Add device tree files for VIA/Wondermedia SoC's

Resolved add/change conflict in drivers/clk/Makefile.

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-23 21:51:39 -07:00
Olof Johansson
c740ae7404 Merge branch 'kirkwood/drivers' of git://git.infradead.org/users/jcooper/linux into late/kirkwood
From Jason Cooper:

New drivers:
 - pinctrl (dove, kirkwood, mvebu)
 - gpio (mvebu)

* 'kirkwood/drivers' of git://git.infradead.org/users/jcooper/linux:
  arm: mvebu: add gpio support in defconfig
  arm: mvebu: add DT information for GPIO banks on Armada 370 and XP
  arm: mvebu: use GPIO support now that a driver is available
  Documentation: add description of DT binding for the gpio-mvebu driver
  gpio: introduce gpio-mvebu driver for Marvell SoCs
  arm: mvebu: select the pinctrl drivers for Armada 370 and Armada XP platforms
  arm: mvebu: split Kconfig options for Armada 370 and XP
  ARM: mvebu: adjust Armada XP evaluation board DTS
  ARM: mvebu: Add pinctrl support to Armada 370 SoC
  ARM: mvebu: Add pinctrl support to Armada XP SoCs
  pinctrl: mvebu: add pinctrl driver for Armada XP
  pinctrl: mvebu: add pinctrl driver for Armada 370
  pinctrl: mvebu: kirkwood pinctrl driver
  pinctrl: mvebu: dove pinctrl driver
  pinctrl: mvebu: pinctrl driver core

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-22 14:23:11 -07:00
Thomas Petazzoni
fefe7b0923 gpio: introduce gpio-mvebu driver for Marvell SoCs
This driver aims at replacing the arch/arm/plat-orion/gpio.c driver,
and is designed to be compatible with all Marvell EBU SoCs: Orion,
Kirkwood, Dove, Armada 370/XP and Discovery.

It has been successfully tested on Dove and Armada XP at the moment.

Compared to the plat-orion driver, this new driver has the following
added benefits:

 *) Support for Armada 370 and Armada XP
 *) It is integrated with the mvebu pinctrl driver so that GPIO pins
    are properly muxed, and the GPIO driver knows which GPIO pins are
    output-only or input-only.
 *) Properly placed in drivers/gpio
 *) More extensible mechanism to support platform differences. The
    plat-orion driver uses a simple mask-offset DT property, which
    works fine for Discovery MV78200 but not for Armada XP. The new
    driver uses different compatible strings to identify the different
    variants of the GPIO controllers.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-09-22 14:51:36 +00:00
Tony Prisk
4e48b1c560 arm: vt8500: gpio: Devicetree support for arch-vt8500
Converted the existing arch-vt8500 gpio to a platform_device.
Added support for WM8505 and WM8650 GPIO controllers.
Replaced existing readl/writel calls with _relaxed variants.
Replaced existing unsigned variables with u32 to match register size.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-21 19:23:59 +12:00
Olof Johansson
ea832c41da Merge branch 'next/dt' into next/multiplatform
* next/dt: (182 commits)
  ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support
  ARM: tegra: Add Avionic Design Medcom-Wide support
  ARM: tegra: Add Avionic Design Plutux support
  ARM: tegra: Add Avionic Design Tamonten support
  ARM: tegra: dts: Add pwm label
  ARM: dt: tegra: whistler: configure power off
  ARM: mxs: m28evk: Disable OCOTP OUI loading
  ARM: imx6q: use pll2_pfd2_396m as the enfc_sel's parent
  ARM: dts: imx6q-sabrelite: add usbotg pinctrl support
  ARM: dts: imx23-olinuxino: Add USB host support
  ARM: dts: imx6q-sabrelite: add usbmisc device
  ARM: dts: mx23: Add USB resources
  ARM: dts: mxs: Add ethernetX to macX aliases
  ARM: msm: Remove non-DT targets from 8960
  ARM: msm: Add DT support for 8960
  ARM: msm: Move io mapping prototypes to common.h
  ARM: msm: Rename board-msm8x60 to signify its DT only status
  ARM: msm: Make 8660 a DT only target
  ARM: msm: Move 8660 to DT timer
  ARM: msm: Add DT support to msm_timer
  ...
2012-09-20 21:16:43 -07:00
Olof Johansson
fc0b60ae95 Merge branch 'next/gpio-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim:

Since there are many changes for gpio-samsung in my tree, this has been
included in my tree with Linus' agreement.

* 'next/gpio-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  gpio: samsung: add devicetree init for s3c24xx arches
2012-09-20 16:36:37 -07:00
Olof Johansson
928487a1ce Merge branch 'samsung/cleanup' into next/cleanup
From Kukjin Kim:

Here, there are cleanup patches for Samsung v3.7 and most of them are
related to cleanup Samsung specific gpio API.

* samsung/cleanup:
  gpio: samsung: Update documentation
  ARM: S3C24XX: Use module_platform_driver macro in mach-osiris-dvs.c
  ARM: S3C24XX: Use module_platform_driver macro in h1940-bluetooth.c
  gpio-samsung: Remove now unused s3c2410_gpio* API
  ARM: S3C24XX: Remove obsolete GPIO API declarations
  ARM: S3C24XX: Convert users of s3c2410_gpio_setpin to gpiolib API
  ARM: EXYNOS: cleanup unused code related to GPS
2012-09-20 16:35:21 -07:00
Olof Johansson
2843c7d2c0 Device tree related changes for omaps.
Note that this branch is based on omap-cleanup-sparseirq-for-v3.7
 to avoid merge conflicts with the sparseirq changes for gpio-twl4030
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Merge tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Device tree related changes for omaps.

Note that this branch is based on omap-cleanup-sparseirq-for-v3.7
to avoid merge conflicts with the sparseirq changes for gpio-twl4030
driver.

* tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  arm/dts: Mux uart pins for omap4-sdp
  ARM: OMAP2+: select PINCTRL in Kconfig
  arm/dts: Add pinctrl driver entries for omap2/3/4
  arm/dts: Add omap36xx.dtsi file and rename omap3-beagle to omap3-beagle-xm
  ARM: dts: omap3-overo: Add support for the blue LED
  Documentation: dt: Update the OMAP documentation with Overo/Toby
  ARM: dts: OMAP3: Add support for Gumstix Overo with Tobi expansion board
  ARM: dts: OMAP4: Add reg and interrupts for every nodes
  ARM: dts: AM33XX: Specify reg and interrupt property for all nodes
  ARM: dts: AM33XX: Convert all hex numbers to lower-case
  ARM: dts: omap3-beagle: Enable audio support
  ARM: dts: omap5: Add McPDM and DMIC section to the dtsi file
  ARM: dts: omap5: Add McBSP entries
  ARM: dts: omap4: Add reg-names for McPDM and DMIC
  ARM: dts: omap4: Add McBSP entries
  ARM: dts: omap3: Add McBSP entries
  ARM: dts: omap2420-h4: Include omap2420.dtsi file instead the common omap2
  ARM: dts: omap2: Add McBSP entries for OMAP2420 and OMAP2430 SoC
  ARM: dts: omap3-beagle: Add heartbeat and mmc LEDs support
  ARM: dts: omap3: Add gpio-twl4030 properties for BeagleBoard and omap3-EVM
  ...
2012-09-20 13:22:20 -07:00
Peter Ujfalusi
70ffd691ff gpio: Add basic support for TWL6040 GPOs
TWL6040 provides GPO lines to be used for controlling external devices.The number
of lines different between versions: twl6040 have 3 GPO while TWL6041 have 1.

Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-19 12:21:20 +02:00
Thierry Reding
5e969a401a gpio: Add Avionic Design N-bit GPIO expander support
This commit adds a driver for the Avionic Design N-bit GPIO expander.
The expander provides a variable number of GPIO pins with interrupt
support.

Changes in v2:
- allow building the driver as a module
- assign of_node unconditionally
- use linear mapping IRQ domain
- properly cleanup IRQ domain
- add OF device table and annotate device tables
- emulate rising and falling edge triggers
- increase #gpio-cells to 2
- drop support for !OF
- use IS_ENABLED to conditionalize DEBUG_FS code

Changes in v3:
- make IRQ support runtime configurable (interrupt-controller property)
- drop interrupt-controller and #interrupt-cells from DT binding
- add inline to_adnp() function to wrap container_of() macro
- consistently use adnp as name for struct adnp variables
- remove irq_mask_cur and rename irq_mask to irq_enable
- fix a subtle deadlock in adnp_gpio_direction_output()
- remove dynamic allocations from debugfs code
- rename regs to num_regs to avoid confusion
- annotate non-trivial code with comments
- don't acquire mutex in adnp_gpio_get()
- assume NO_IRQ == 0

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: linux-kernel@vger.kernel.org
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-18 23:27:25 +02:00
Wei Yongjun
d724f1c9c3 gpio: pxa: using for_each_set_bit to simplify the code
Using for_each_set_bit() to simplify the code.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-18 23:18:43 +02:00
Wei Yongjun
939d902d0d gpio_msm: using for_each_set_bit to simplify the code
Using for_each_set_bit() to simplify the code.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-18 23:16:54 +02:00
Olof Johansson
8e51036d34 This branch contains changes needed to make omap2+
work properly with sparse IRQ. It also removes
 dependencies to mach/hardware.h. These help moving
 things towards ARM single zImage support.
 
 This branch is based on a commit in tty-next
 branch with omap-devel-gpmc-fixed-for-v3.7 and
 cleanup-omap-tags-for-v3.7 merged in to keep things
 compiling and sort out some merge conflicts.
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Merge tag 'omap-cleanup-sparseirq-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Tony Lindgren:

This branch contains changes needed to make omap2+
work properly with sparse IRQ. It also removes
dependencies to mach/hardware.h. These help moving
things towards ARM single zImage support.

This branch is based on a commit in tty-next
branch with omap-devel-gpmc-fixed-for-v3.7 and
cleanup-omap-tags-for-v3.7 merged in to keep things
compiling and sort out some merge conflicts.

* tag 'omap-cleanup-sparseirq-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP1: Move SoC specific headers from plat to mach for omap1
  ARM: OMAP2+ Move SoC specific headers to be local to mach-omap2
  ARM: OMAP: Split plat/hardware.h, use local soc.h for omap2+
  ARM: OMAP: Remove unused old gpio-switch.h
  ARM: OMAP1: Move plat/irqs.h to mach/irqs.h
  ARM: OMAP2+: Remove hardcoded IRQs and enable SPARSE_IRQ
  ARM: OMAP2+: Prepare for irqs.h removal
  W1: OMAP HDQ1W: Remove dependencies to mach/hardware.h
  Input: omap-keypad: Remove dependencies to mach includes
  ARM: OMAP: Move gpio.h to include/linux/platform_data
  ARM: OMAP2+: Remove hardcoded twl4030 gpio_base, irq_base and irq_end
  ARM: OMAP2+: Remove unused nand_irq for GPMC
  ARM: OMAP2+: Make INTCPS_NR_IRQS local for mach-omap2/irq.c
  ARM: OMAP1: Define OMAP1_INT_I2C locally
  ARM: OMAP1: Move define of OMAP_LCD_DMA to dma.h
2012-09-16 20:05:06 -07:00
Olof Johansson
e640ca0fcb Remove the ancient omap specific atags that are no longer needed.
At some point we were planning to pass the bootloader information
 with custom atags that did not work out too well.
 
 There's no need for these any longer as the kernel has been booting
 fine without them for quite some time. And Now we have device tree
 support that can be used instead.
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Merge tag 'cleanup-omap-tags-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Tony Lindgren:

Remove the ancient omap specific atags that are no longer needed.

At some point we were planning to pass the bootloader information
with custom atags that did not work out too well.

There's no need for these any longer as the kernel has been booting
fine without them for quite some time. And Now we have device tree
support that can be used instead.

* tag 'cleanup-omap-tags-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: remove plat/board.h file
  ARM: OMAP: move debug_card_init() function
  ARM: OMAP1: move lcd pdata out of arch/arm/*
  ARM: OMAP1: move omap1_bl pdata out of arch/arm/*
  ARM: OMAP: remove the omap custom tags
  ARM: OMAP1: remove the crystal type tag parsing
  ARM: OMAP: remove the sti console workaround
  ARM: OMAP: omap3evm: cleanup revision bits
  ARM: OMAP: cleanup struct omap_board_config_kernel
  + sync to 3.6-rc5
2012-09-16 19:28:42 -07:00
Tony Lindgren
6bfc82ff58 This branch contains changes needed to make omap2+
work properly with sparse IRQ. It also removes
 dependencies to mach/hardware.h. These help moving
 things towards ARM single zImage support.
 
 This branch is based on a commit in tty-next
 branch with omap-devel-gpmc-fixed-for-v3.7 and
 cleanup-omap-tags-for-v3.7 merged in to keep things
 compiling and sort out some merge conflicts.
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Merge tag 'omap-cleanup-sparseirq-for-v3.7' into devel-dt

This branch contains changes needed to make omap2+
work properly with sparse IRQ. It also removes
dependencies to mach/hardware.h. These help moving
things towards ARM single zImage support.

This branch is based on a commit in tty-next
branch with omap-devel-gpmc-fixed-for-v3.7 and
cleanup-omap-tags-for-v3.7 merged in to keep things
compiling and sort out some merge conflicts.

Conflicts:
	arch/arm/mach-omap2/omap4-common.c
	drivers/gpio/gpio-twl4030.c
2012-09-16 15:35:06 -07:00
Mauro Carvalho Chehab
aa15f47714 Linux 3.6-rc5
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Merge tag 'v3.6-rc5' into staging/for_v3.7

Linux 3.6-rc5

* tag 'v3.6-rc5': (334 commits)
  Linux 3.6-rc5
  HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured
  Remove user-triggerable BUG from mpol_to_str
  xen/pciback: Fix proper FLR steps.
  uml: fix compile error in deliver_alarm()
  dj: memory scribble in logi_dj
  Fix order of arguments to compat_put_time[spec|val]
  xen: Use correct masking in xen_swiotlb_alloc_coherent.
  xen: fix logical error in tlb flushing
  xen/p2m: Fix one-off error in checking the P2M tree directory.
  powerpc: Don't use __put_user() in patch_instruction
  powerpc: Make sure IPI handlers see data written by IPI senders
  powerpc: Restore correct DSCR in context switch
  powerpc: Fix DSCR inheritance in copy_thread()
  powerpc: Keep thread.dscr and thread.dscr_inherit in sync
  powerpc: Update DSCR on all CPUs when writing sysfs dscr_default
  powerpc/powernv: Always go into nap mode when CPU is offline
  powerpc: Give hypervisor decrementer interrupts their own handler
  powerpc/vphn: Fix arch_update_cpu_topology() return value
  ARM: gemini: fix the gemini build
  ...
2012-09-15 10:45:41 -03:00
Jean Delvare
4f600ada70 gpio: gpio-ich: Share ownership of GPIO groups
The ICH chips have their GPIO pins organized in 2 or 3 independent
groups of 32 GPIO pins. It can happen that the ACPI BIOS wants to make
use of pins in one group, preventing the OS to access these. This does
not prevent the OS from accessing the other group(s).

This is the case for example on my Asus Z8NA-D6 board. The ACPI BIOS
wants to control GPIO 18 (group 1), while I (the OS) need to control
GPIO 52 and 53 (group 2) for SMBus multiplexing.

So instead of checking for ACPI resource conflict on the whole I/O
range, check on a per-group basis, and consider it a success if at
least one of the groups is available for the OS to use.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Aaron Sierra <asierra@xes-inc.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-14 09:52:13 +02:00
John Crispin
c9e854cf94 GPIO: MIPS: lantiq: fix overflow inside stp-xway driver
The driver was using a 16 bit field for storing the shadow value of the shift
register cascade. This resulted in only the first 2 shift registeres receiving
the correct data. The third shift register would always receive 0x00.

Fix this by using a 32bit field for the shadow value.

Signed-off-by: John Crispin <blogic@openwrt.org>
Cc: linux-kernel@vger.kernel.org
2012-09-13 10:31:00 +02:00
Olof Johansson
1a87676206 Merge branch 'ofdeviceiddata' of git://git.pengutronix.de/git/ukl/linux into next/fixes-non-critical
From  "Uwe Kleine-Knig" <u.kleine-koenig@pengutronix.de>:

this is the 2nd version of this series whose goal is to make struct
of_device_id.data const. Conceptually a driver must not modify the data
contained there so making it const is the right thing.

v1 of this series was sent with Message-id:
1342182734-321-1-git-send-email-y. Changes since then are:
 - powerpc fixes
 - several new consts that were found by Arnd that are possible after
   patch 19.

Arnd suggested to take this series via arm-soc late for 3.6 in one go
because patch 19 depends on the former patches but is a precondition to
the latter and it fixes a few warnings. So getting it in via the
respective maintainer trees would need a much bigger coordination
effort. That means I prefer getting Acks over you taking the patch.

Vinod Koul already took
        dmaengine: at_hdmac: add a few const qualifiers
that is in next-20120723 as 7fd63ccdad now. Vinod, I don't follow your
pull requests, but assuming you didn't let it already pull for 3.6 I
suggest you drop it from your queue and I just take your Ack.

This series was build tested for arm (all defconfigs) and powerpc (all
defconfigs and an allyesconfig) and grep didn't find more issues. As
before it introduces a warning in drivers/regulator/twl-regulator.c.
This driver does modify its .of_match_table when a device is bound which
doesn't fits the concept of independant devices. Arnd noticed another
new warning in drivers/scsi/qlogicpti.c that isn't that easy to resolve,
because the pointer to (now) const data is passed as first argument to
scsi_host_alloc. To fix that properly struct Scsi_Host.hostt needs to
get a const, too. Alternatively I could introduce a cast removing the
const, but I don't like that.

* 'ofdeviceiddata' of git://git.pengutronix.de/git/ukl/linux: (25 commits)
  dma: tegra: make data used as *of_device_id.data const
  can: mpc5xxx_can: make data used as *of_device_id.data const
  macintosh/mediabay: make data used as *of_device_id.data const
  i2c/mpc: make data used as *of_device_id.data const
  mfd/da9052: make i2c_device_id array const
  powerpc/fsl_msi: drop unneeded cast to non-const pointer
  gpio/gpio-omap: make platformdata used as *of_device_id.data const
  of: add const to struct *of_device_id.data
  dma: tegra: make tegra_dma.chip_data a pointer to const data
  watchdog/mpc8xxx: add a const qualifier
  powerpc/celleb_pci: add a const qualifier
  powerpc/fsl_msi: add a const qualifier
  powerpc/83xx: add a const qualifier
  macintosh/mediabay: add a const qualifier
  mmc/omap_hsmmc: add a const qualifier
  i2c/mpc: add a const qualifier
  i2c/i2c-omap: add a const qualifier
  gpio/mpc8xxx: add a const qualifier
  gpio/gpio-omap.c: add a const qualifier
  misc/atmel_tc: make atmel_tc.tcb_config member point to const data

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[olof: repulled a v3 version of the branch that rebased to add some more
acked-bys and added one more patch on top for tegra]
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-13 00:15:00 -07:00
Tony Lindgren
4b25408f1f ARM: OMAP: Move gpio.h to include/linux/platform_data
This way we can remove includes of plat/gpio.h which won't work
with the single zImage support.

Note that we also remove the cpu_class_is_omap2() check
in gpio-omap.c as the drivers should not call it as we need to
make it local to arch/arm/mach-omap2 for single zImage support.

While at it, arrange the related includes in the standard way.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: linux-mtd@lists.infradead.org
Cc: alsa-devel@alsa-project.org
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-09-12 18:06:30 -07:00
Tony Lindgren
a940d9a1cb ARM: OMAP2+: Remove hardcoded twl4030 gpio_base, irq_base and irq_end
We can't use hardcoded interrupts for SPARSE_IRQ, and can replace
the hardcoded gpio_base with twl_gpiochip.base after it's been
allocated.

Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-09-12 18:06:30 -07:00
Lee Jones
3113e67902 gpio: Enable the tc3298x GPIO expander driver for Device Tree
Here we provide a means to probe and extract vital information
from Device Tree when booting with it enabled. Without this
patch sub-devices wouldn't be able to reference the tc3589x-gpio
expander from Device Tree.

CC: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-12 23:15:46 +02:00
Lee Jones
efe4c9496a gpio: Provide the tc3589x GPIO expander driver with an IRQ domain
In preparation for Device Tree enablement all IRQ controllers
should control their own IRQ domain. This patch provides just
that for the tc3589x GPIO expander.

CC: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-12 23:15:42 +02:00
Kuninori Morimoto
3c0528810c gpio: pcf857x: fixup smatch WARNING
6e20a0a429
(gpio: pcf857x: enable gpio_to_irq() support)
added new smatch warnings

drivers/gpio/gpio-pcf857x.c:288 pcf857x_probe() error: we previously \
	assumed 'pdata' could be null (see line 277)
drivers/gpio/gpio-pcf857x.c:364 pcf857x_probe() warn: variable dereferenced\
	 before check 'pdata' (see line 292)
drivers/gpio/gpio-pcf857x.c:421 pcf857x_remove() error: we previously\
	 assumed 'pdata' could be null (see line 410)

This patch fixes it

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-12 17:45:01 +02:00
Maxime Ripard
20bc4d5d56 gpio: 74x164: Add support for the daisy-chaining
The shift registers have an output pin that, when enabled, propagates
the values of its internal register to the pins. If another value comes
to the register while the output pin is disabled, this new value will
makae the older shift into the next register in the chain.

This patch adds support for daisy-chaining the registers, using the
regular SPI chip select mechanism to manage the output pin, and the
registers-number dt property to set the number of chained registers.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-11 23:49:32 +02:00
Uwe Kleine-König
c06e6769a8 gpio/gpio-omap: make platformdata used as *of_device_id.data const
Since of_device_id.data is declared as a pointer to const data a few
more consts can be added in this driver.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2012-09-11 08:57:27 +02:00
Uwe Kleine-König
01a04ddc86 gpio/mpc8xxx: add a const qualifier
This prepares *of_device_id.data becoming const. Without this change
the following warning would occur:

	drivers/gpio/gpio-mpc8xxx.c: In function 'mpc8xxx_add_controller':
	drivers/gpio/gpio-mpc8xxx.c:360:30: warning: assignment discards 'const' qualifier from pointer target type [enabled by default]

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2012-09-11 08:56:39 +02:00
Uwe Kleine-König
f6817a2c2e gpio/gpio-omap.c: add a const qualifier
This prepares *of_device_id.data becoming const. Without this change
the following warning would occur:

	drivers/gpio/gpio-omap.c: In function 'omap_gpio_probe':
	drivers/gpio/gpio-omap.c:1060: warning: assignment discards qualifiers from pointer target type

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2012-09-11 08:56:38 +02:00
Maxime Ripard
0a90a9fb45 gpio: 74x164: Add device tree support
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-07 23:05:23 +02:00
Maxime Ripard
061505fd39 gpio: 74x164: Use dynamic gpio number assignment if no pdata is present
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-07 23:04:02 +02:00
Maxime Ripard
72eac3020d gpio: 74x164: Use devm_kzalloc
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-07 23:01:43 +02:00
Maxime Ripard
ab3b878261 gpio: 74x164: Use module_spi_driver boiler plate function
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-07 23:00:32 +02:00
Florian Vaussard
f74ce8fb84 gpio/twl4030: get platform data from device tree
Adds a number of missing device tree properties for
twl4030/gpio, and update bindings:
- "ti,use-leds"  -> .use_leds
- "ti,debounce"  -> .debounce
- "ti,mmc-cd"    -> .mmc_cd
- "ti,pullups"   -> .pullups
- "ti,pulldowns" -> .pulldowns

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
[b-cousson@ti.com: Fix some checkpatch CHECK issues]
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
2012-09-07 19:22:27 +02:00
Heiko Stuebner
172c6a1365 gpio: samsung: add devicetree init for s3c24xx arches
Until now the EXYNOS-SoC was the only Samsung-SoC supporting the GPIOs
via the device tree. This patch implements dt-support for the
s3c24xx arches.

The controllers contain only 3 cells, as the underlying gpio controller
does not support controlling the drive strength on a gpio level.

Tested with the gpio-keys driver on a s3c2416 based machine.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
[kgene.kim@samsung.com: fixed build error]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-07 14:02:50 +09:00
Thomas Abraham
d05866240c gpio: exynos4: skip gpiolib registration if pinctrl driver is used
Pinctrl driver, when enabled, registers all the gpio pins and hence the
registration of gpio pins by this driver can be skipped.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-07 06:07:19 +09:00
Stephen Warren
70a5dbf812 gpio: tegra: remove useless includes of <mach/*.h>
Nothing from these files is needed, so remove the includes. This helps
single zImage work by reducing use of the mach-tegra/include/mach/
directory.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-06 11:46:59 -06:00
Axel Lin
a3b930815d gpio: sx150x: Use irq_data_get_irq_chip_data() at appropriate places
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-06 09:19:04 +02:00
Axel Lin
a9f77c93ab gpio: em: Use irq_data_get_irq_chip_data() at appropriate places
Then we can remove irq_to_priv() function.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-06 09:18:07 +02:00
Olof Johansson
1875962377 Merge branch 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs'
  + sync to 3.6-rc3
2012-09-05 15:35:48 -07:00
Axel Lin
5b4254386b gpio: wm8350: Convert to use devm_kzalloc API
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-04 09:26:06 +02:00
Axel Lin
718bc6e33f gpio: wm831x: Convert to use devm_kzalloc API
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-04 09:25:13 +02:00
Axel Lin
c8554d3248 gpio: adp5588: Use module_i2c_driver
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-04 09:24:10 +02:00
Axel Lin
f3fe077b2b gpio: Use DEFINE_PCI_DEVICE_TABLE macro
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-04 09:23:07 +02:00
Shawn Guo
0b76c54121 gpio/mxs: adopt irq_domain support for mxs gpio driver
Remove irq_domain_add_legacy call from mach-mxs.c and have the gpio
driver adopt irqdomain support, so that we can have the mapping
between gpio and irq number available without using virtual_irq_start
and MXS_GPIO_IRQ_START.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-03 09:31:44 +08:00
Axel Lin
45e253a7eb gpio: tps65912: Convert to use devm_kzalloc API
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 12:55:30 +02:00
Axel Lin
eb7cf95a55 gpio: da9052: Convert to use devm_kzalloc API
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 12:53:56 +02:00
Axel Lin
1146f8822a gpio: rdc321x: Prevent removal of modules exporting active GPIOs
This driver can be built as a module, set the missing owner field of
struct gpio_chip to prevent removal of modules exporting active GPIOs.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 12:52:24 +02:00
Julia Lawall
6ab49f4201 drivers/gpio/gpio-pxa.c: use clk_prepare_enable and clk_disable_unprepare
Clk_prepare_enable and clk_disable_unprepare combine clk_prepare and
clk_enable, and clk_disable and clk_unprepare.  They make the code more
concise, and ensure that clk_unprepare is called when clk_enable fails.

A simplified version of the semantic patch that introduces calls to these
functions is as follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e;
@@

- clk_prepare(e);
- clk_enable(e);
+ clk_prepare_enable(e);

@@
expression e;
@@

- clk_disable(e);
- clk_unprepare(e);
+ clk_disable_unprepare(e);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 06:13:54 +02:00
Axel Lin
dd2914972e gpio: em: Fix checking return value of irq_alloc_descs
irq_alloc_descs() returns negative error code on failure.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 01:18:39 +02:00
Murali Karicheri
ce6b658dc0 gpio: davinci: preparation for switch to common clock framework
As a first step towards migrating davinci platforms to use common clock
framework, replace all instances of clk_enable() with clk_prepare_enable()
and clk_disable() with clk_disable_unprepare(). Until the platform is
switched to use the CONFIG_HAVE_CLK_PREPARE Kconfig variable, this just
adds a might_sleep() call and would work without any issues.

This will make it easy later to switch to common clk based implementation
of clk driver from DaVinci specific driver.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 01:12:01 +02:00
Axel Lin
1c4fe3aa98 gpio: Remove broken mark for da9052 gpio driver
The fix for MFD part is merged so remove the broken mark for da9052 gpio driver.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 01:05:57 +02:00
Axel Lin
3c7051d7cc gpio: mc9s08dz60: Use devm_kzalloc API
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 01:02:27 +02:00
Axel Lin
4c30aa33d4 gpio: mc9s08dz60: Fix build error if I2C=m
Make GPIO_MC9S08DZ60 depend on I2C=y, this fixes below build error:

  LD      init/built-in.o
drivers/built-in.o: In function `mc9s08dz60_get_value':
clk-fixed-factor.c:(.text+0x7214): undefined reference to `i2c_smbus_read_byte_data'
drivers/built-in.o: In function `mc9s08dz60_set':
clk-fixed-factor.c:(.text+0x727c): undefined reference to `i2c_smbus_read_byte_data'
clk-fixed-factor.c:(.text+0x72bc): undefined reference to `i2c_smbus_write_byte_data'
drivers/built-in.o: In function `mc9s08dz60_i2c_driver_init':
clk-fixed-factor.c:(.init.text+0x290): undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `mc9s08dz60_i2c_driver_exit':
clk-fixed-factor.c:(.exit.text+0x2c): undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-09-01 01:00:39 +02:00
Sylwester Nawrocki
4e321a3994 gpio-samsung: Remove now unused s3c2410_gpio* API
There is no more users of s3c2410_gpio_pullup(), s3c2410_gpio_setpin()
and s3c2410_gpio_getpin() so remove theese functions.

Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-08-28 09:06:49 -07:00
Mauro Carvalho Chehab
79e8c7bebb Linux 3.6-rc3
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Merge tag 'v3.6-rc3' into staging/for_v3.7

Linux 3.6-rc3

* tag 'v3.6-rc3': (764 commits)
  Linux 3.6-rc3
  task_work: add a scheduling point in task_work_run()
  fs: fix fs/namei.c kernel-doc warnings
  eventpoll: use-after-possible-free in epoll_create1()
  vfio: grab vfio_device reference *before* exposing the sucker via fd_install()
  vfio: get rid of vfio_device_put()/vfio_group_get_device* races
  vfio: get rid of open-coding kref_put_mutex
  introduce kref_put_mutex()
  vfio: don't dereference after kfree...
  fbcon: fix race condition between console lock and cursor timer (v1.1)
  mm: compaction: Abort async compaction if locks are contended or taking too long
  mm: have order > 0 compaction start near a pageblock with free pages
  rapidio/tsi721: fix unused variable compiler warning
  rapidio/tsi721: fix inbound doorbell interrupt handling
  drivers/rtc/rtc-rs5c348.c: fix hour decoding in 12-hour mode
  mm: correct page->pfmemalloc to fix deactivate_slab regression
  drivers/rtc/rtc-pcf2123.c: initialize dynamic sysfs attributes
  mm/compaction.c: fix deferring compaction mistake
  drivers/misc/sgi-xp/xpc_uv.c: SGI XPC fails to load when cpu 0 is out of IRQ resources
  string: do not export memweight() to userspace
  ...
2012-08-24 11:25:10 -03:00
Kuninori Morimoto
6e20a0a429 gpio: pcf857x: enable gpio_to_irq() support
pcf857x chip has some pins, but interrupt pin is only 1 pin.
And gpiolib requests 1 interrupt per 1 gpio pin.

Thus, this patch added demuxed irq to pcf857x driver,
and enabled gpio_to_irq().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-23 23:41:17 +02:00
Axel Lin
52d322582b gpio: bt8xx: Fix build error due to missing include file
This patch fixes below build error:

  CC [M]  drivers/gpio/gpio-bt8xx.o
drivers/gpio/gpio-bt8xx.c:53:40: fatal error: ../media/video/bt8xx/bt848.h: No such file or directory
compilation terminated.
make[2]: *** [drivers/gpio/gpio-bt8xx.o] Error 1
make[1]: *** [drivers/gpio] Error 2
make: *** [drivers] Error 2

drivers/media/video/bt8xx/bt848.h is moved to drivers/media/pci/bt8xx/bt848.h
by commit 68de959f77
"[media] bt8xx: move analog TV part to be together with DTV one".

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-08-21 08:21:35 -03:00
Axel Lin
7cb6580c0b gpio: gpio-pch: Use spinlock for register access protection
gpio_chip.can_sleep is 0, but current code uses mutex in pch_gpio_set
pch_gpio_get and pch_gpio_direction_input functions.
Thus those functions are not callable from interrupt context.
This patch converts mutex into spinlock.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-17 07:35:42 +02:00
Axel Lin
02a6794d57 gpio: gpio-ml-ioh: Use spinlock for register access protection
gpio_chip.can_sleep is 0, but current code uses mutex in ioh_gpio_set,
ioh_gpio_get and ioh_gpio_direction_input functions.
Thus those functions are not callable from interrupt context.
This patch converts mutex into spinlock.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-17 07:35:42 +02:00
Thierry Reding
f9c4a31f61 gpiolib: Use seq_file's iterator interface
When dumping a collection of items via seq_file, it is recommended to
use the iterator interface. For the gpiolib debugfs interface this can
be done to dump each GPIO chip in turn.

Note that for gpiolib this is a little cumbersome because it does not
provide a list of registered GPIO chips and the only way to iterate is
over each GPIO individually. Once a chip is found, the number of GPIOs
it provides can be skipped as a small optimization.

This patch was requested by Arnd Bergmann here:

	http://article.gmane.org/gmane.linux.ports.tegra/3535

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-17 07:35:41 +02:00
Thierry Reding
c61307a7cc gpio: Fix debug message in of_get_named_gpio_flags()
This was probably missed in the conversion done in commit 3d0f7cf
("gpio: Adjust of_xlate API to support multiple GPIO chips").

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-17 07:35:25 +02:00
Chao Xie
0d2ee5d773 gpio: pxa: add chain_eneter and chain_exit for irq handler
Signed-off-by: Chao Xie <xiechao.mail@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
2012-08-16 16:15:54 +08:00
Daniel Mack
9450be76d0 GPIO: gpio-pxa: simplify pxa_gpio_to_irq() and pxa_irq_to_chip()
Simplify the code in gpio-pxa.c and make them based on irq_base.
When not probed from devicetree, initialize irq_base from
PXA_GPIO_TO_IRQ() or MMP_GPIO_TO_IRQ(), respectively, so the non-DT case
still works.

Only tested on PXA3xx.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
2012-08-16 16:14:36 +08:00
Arnd Bergmann
f43e04ec46 GPIO: gpio-pxa: fix building without CONFIG_OF
Commit 7212157267 ("GPIO: gpio-pxa: fix devicetree functions") added an
"xlate" function pointer to the irq_domain_ops, but this function is nor
declared or defined anywhere when CONFIG_OF is disabled, causing the
build error:

  drivers/gpio/gpio-pxa.c:532:11: error: 'irq_domain_xlate_twocell' undeclared here (not in a function)

Extending the DT-only code section to cover the irq_domain_ops and the
pxa_gpio_dt_ids solves this problem and makes it clearer which code is
actually used without DT.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-08-14 07:50:36 +03:00
Linus Torvalds
21d2f8dc91 gpio fixes for v3.6-rc1
- Fix a resource leak in the SCH driver
 - Fix the register address calculation in the MSIC driver
 - Fix the PXA driver's devicetree functions
 - Delete redundant shadow variable leftovers in the MXC driver
 - Specify the GPIO base for the device tree probe in the MXC driver
 - Add a modalias for the i.MX driver
 - Fix off-by-one bug in the Samsung driver
 - Fix erroneous errorpath in the Langwell driver
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Merge tag 'gpio-fixes-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull gpio fixes from Linus Walleij:
 - Fix a resource leak in the SCH driver
 - Fix the register address calculation in the MSIC driver
 - Fix the PXA driver's devicetree functions
 - Delete redundant shadow variable leftovers in the MXC driver
 - Specify the GPIO base for the device tree probe in the MXC driver
 - Add a modalias for the i.MX driver
 - Fix off-by-one bug in the Samsung driver
 - Fix erroneous errorpath in the Langwell driver

* tag 'gpio-fixes-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  drivers/gpio/gpio-langwell.c: fix error return code
  gpio: samsung: Fix off-by-one bug in gpio addresses
  ARM: dts: imx: add alias for gpio
  gpio/mxc: specify gpio base for device tree probe
  gpio/mxc: remove redundant shadow variables initialization
  GPIO: gpio-pxa: fix devicetree functions
  gpio: msic: Fix calculating register address in msic_gpio_to_oreg()
  gpio-sch: Fix leak of resource
2012-08-12 21:45:33 +03:00
Arnd Bergmann
38eaed327d gpio: em: do not discard em_gio_irq_domain_cleanup
The newly added gpio-em driver marks its em_gio_irq_domain_cleanup
function as __devexit, which would lead to that function being
discarded in case CONFIG_HOTPLUG is disabled. However, the function
is also called by the error handling logic em_gio_probe, which
would cause a jump into a NULL pointer if it was removed from the
kernel or module.

Without this patch, building kzm9d_defconfig results in:

WARNING: drivers/gpio/built-in.o(.devinit.text+0x330): Section mismatch in reference from the function em_gio_probe() to the function .devexit.text:em_gio_irq_domain_cleanup()
The function __devinit em_gio_probe() references
a function __devexit em_gio_irq_domain_cleanup().
This is often seen when error handling in the init function
uses functionality in the exit path.
The fix is often to remove the __devexit annotation of
em_gio_irq_domain_cleanup() so it may be used outside an exit section.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Magnus Damm <damm@opensource.se>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
2012-08-10 12:27:46 +02:00
Julia Lawall
d6a2b7ba67 drivers/gpio/gpio-langwell.c: fix error return code
Convert a 0 error return code to a negative one, as returned elsewhere in the
function.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier ret;
expression e,e1,e2,e3,e4,x;
@@

(
if (\(ret != 0\|ret < 0\) || ...) { ... return ...; }
|
ret = 0
)
... when != ret = e1
*x = \(kmalloc\|kzalloc\|kcalloc\|devm_kzalloc\|ioremap\|ioremap_nocache\|devm_ioremap\|devm_ioremap_nocache\)(...);
... when != x = e2
    when != ret = e3
*if (x == NULL || ...)
{
  ... when != ret = e4
*  return ret;
}
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07 08:55:52 +02:00
Sean Paul
f7093f3e7a gpio: samsung: Fix off-by-one bug in gpio addresses
Move gpc4 to the end of the automatically processed gpio controllers so
we don't taint the automatic offset calculation.

This bug caused all controllers coming after gpc4 to map to the
incorrect address. The result is <&gpd1 0 0 0 0> would actually map to
GPIO 0 in gpd0.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Doug Anderson <dianders@chromium.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07 08:55:52 +02:00
Shawn Guo
7e6086d9e5 gpio/mxc: specify gpio base for device tree probe
Currently, unlike the non-DT probe where the gpio base is specified
with pdev->id, the DT probe uses the base dynamically allocated by
gpio core, which uses a completely different numbering scheme.  This
causes two issues to user space applications which access sysfs entry
/sys/class/gpio/gpioN.

* It breaks the compatibility with user space applications between
  non-DT and DT kernels.

* It's not intuitive and sometimes hard for users to map the Linux
  gpio number to the actual hardware pin.

Use alias to identify the gpio port/bank, and then the gpio base
can be specified with port id to solve above issues.  If alias is not
defined in device tree, the base number dynamically allocated by gpio
core will be used.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07 08:55:22 +02:00
Shawn Guo
f6b0ca25ee gpio/mxc: remove redundant shadow variables initialization
With commit 3e11f7b (gpio/generic: initialize basic_mmio_gpio shadow
variables properly) in place, the shadow variables initialization is
being done in generic driver bgpio_init call.

Remove the redundant shadow variables initialization from gpio-mxc
driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Tested-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07 08:43:26 +02:00
Daniel Mack
7212157267 GPIO: gpio-pxa: fix devicetree functions
Provide an of_xlate function for the PXA GPIO chips and make it work for
devicetree environments.

Successfully tested on a PXA3xx board.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-05 11:39:41 +02:00
Axel Lin
f7da0bdbf5 gpio: msic: Fix calculating register address in msic_gpio_to_oreg()
In the case offset is 20 ... 23, the equation to get the register should be:
        INTEL_MSIC_GPIO1HV0CTLO - offset + 20

With above equation, we can get below mapping between offset and the register:
        offset is 20: INTEL_MSIC_GPIO1HV0CTLO
        offset is 21: INTEL_MSIC_GPIO1HV1CTLO
        offset is 22: INTEL_MSIC_GPIO1HV2CTLO
        offset is 23: INTEL_MSIC_GPIO1HV3CTLO

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-05 01:09:50 +02:00
Alan Cox
8abdd2d2d8 gpio-sch: Fix leak of resource
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-05 00:33:48 +02:00
Linus Torvalds
3e701cdfe6 MFD bits for the 3.6 merge window.
We have support for a few new drivers:
 - Samsung s2mps11
 - Wolfson Microelectronics wm5102 and wm5110
 - Marvell 88PM800 and 88PM805
 - TI twl6041
 
 We also have our regular driver improvements:
 - Device tree and IRQ domain support for STE AB8500
 - Regmap and devm_* API conversion for TI tps6586x
 - Device tree support for Samsung max77686
 - devm_* API conversion for STE AB3100
 
 Besides that, quite a lot of fixing and cleanup for mc13xxx, tps65910,
 tps65090, da9052 and twl-core.
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Merge tag 'mfd-3.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD bits from Samuel Ortiz:
 "We have support for a few new drivers:
   - Samsung s2mps11
   - Wolfson Microelectronics wm5102 and wm5110
   - Marvell 88PM800 and 88PM805
   - TI twl6041

  We also have our regular driver improvements:
   - Device tree and IRQ domain support for STE AB8500
   - Regmap and devm_* API conversion for TI tps6586x
   - Device tree support for Samsung max77686
   - devm_* API conversion for STE AB3100

  Besides that, quite a lot of fixing and cleanup for mc13xxx, tps65910,
  tps65090, da9052 and twl-core."

Fix up mostly trivial conflicts, with the exception of
drivers/usb/host/ehci-omap.c in particular, which had some
re-organization of the reset sequence (commit 1a49e2ac96: "EHCI:
centralize controller initialization") that clashed with commit
2761a63945 ("mfd: USB: Fix the omap-usb EHCI ULPI PHY reset fix
issues").

In particular, commit 2761a63945 moved the usb_add_hcd() to the
*middle* of the reset sequence, which clashes fairly badly with the
reset sequence re-organization (although it could have been done inside
the new omap_ehci_init() function).

I left that part of commit 2761a63945 just undone.

* tag 'mfd-3.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (110 commits)
  mfd: Ensure AB8500 platform data is passed through db8500-prcmu to MFD Core
  mfd: Arizone core should select MFD_CORE
  mfd: Fix arizona-irq.c build by selecting REGMAP_IRQ
  mfd: Add debug trace on entering and leaving arizone runtime suspend
  mfd: Correct tps65090 cell names
  mfd: Remove gpio support from tps6586x core driver
  ARM: tegra: defconfig: Enable tps6586x gpio
  gpio: tps6586x: Add gpio support through platform driver
  mfd: Cache tps6586x register through regmap
  mfd: Use regmap for tps6586x register access.
  mfd: Use devm managed resources for tps6586x
  input: Add onkey support for 88PM80X PMIC
  mfd: Add support for twl6041
  mfd: Fix twl6040 revision information
  mfd: Matches should be NULL when populate anatop child devices
  input: ab8500-ponkey: Create AB8500 domain IRQ mapping
  mfd: Add missing out of memory check for pcf50633
  Documentation: Describe the AB8500 Device Tree bindings
  mfd: Add tps65910 32-kHz-crystal-input init
  mfd: Drop modifying mc13xxx driver's id_table in probe
  ...
2012-07-30 12:41:17 -07:00
Linus Torvalds
f948ad0787 GPIO changes for v3.6:
- New driver for AMD-8111 southbridge GPIOs
 - New driver for Wolfson Micro Arizona devices
 - Propagate device tree parse errors
 - Probe deferral finalizations - all expected calls to
   GPIO will now hopefully request deferral where apropriate
 - Misc updates to TCA6424, WM8994, LPC32xx, PCF857x, Samsung
   MXC, OMAP and PCA953X drivers.
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Merge tag 'gpio-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO changes from Linus Walleij:
 - New driver for AMD-8111 southbridge GPIOs
 - New driver for Wolfson Micro Arizona devices
 - Propagate device tree parse errors
 - Probe deferral finalizations - all expected calls to GPIO will now
   hopefully request deferral where apropriate
 - Misc updates to TCA6424, WM8994, LPC32xx, PCF857x, Samsung MXC, OMAP
   and PCA953X drivers.

Fix up gpio_idx conflicts in drivers/gpio/gpio-mxc.c

* tag 'gpio-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: of_get_named_gpio_flags() return -EPROBE_DEFER if GPIO not yet available
  gpiolib: Defer failed gpio requests by default
  MAINTAINERS: add entry OMAP GPIO driver
  gpio/pca953x: increase variables size to support 24 bit of data
  GPIO: PCA953X: Increase size of invert variable to support 24 bit
  gpio/omap: move bank->dbck initialization to omap_gpio_mod_init()
  gpio/mxc: use the edge_sel feature if available
  gpio: propagate of_parse_phandle_with_args errors
  gpio: samsung: add flags specifier to device-tree binding
  gpiolib: Add support for Wolfson Microelectronics Arizona class devices
  gpio: gpio-lpc32xx: Add gpio_to_irq mapping
  gpio: pcf857x: share 8/16 bit access functions
  gpio: LPC32xx: Driver cleanup
  MAINTAINERS: Add Wolfson gpiolib drivers to the Wolfson entry
  gpiolib: wm8994: Convert to devm_kzalloc()
  gpiolib: wm8994: Use irq_domain mappings for gpios
  gpio: add a driver for GPIO pins found on AMD-8111 south bridge chips
  gpio/tca6424: merge I2C transactions, remove cast
  gpio/of: fix a typo of comment message
2012-07-26 13:56:38 -07:00
Laxman Dewangan
72bd986030 gpio: tps6586x: Add gpio support through platform driver
Converting the gpio driver of tps6586x to a platform
driver in place of registering the gpio through core
driver.
The motivation of the change is:
- This is inline with the mfd drivers implementation.
- This will move the related gpio support to gpio driver
  folder where all gpio related drivers are available.
  This will be easy the maintenance and enhancement is
  anything done for gpio.
- The gpio functionality can be selected through config
  variable.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-07-25 00:36:54 +02:00
Linus Torvalds
3645f0cd96 arm-soc: sparse IRQ conversion
The I.MX platform is getting converted to use sparse IRQs. We are doing
 this for all platforms over time, because this is one of the
 requirements for building a multiplatform kernel, and generally a good
 idea.
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Merge tag 'irq' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc sparse IRQ conversion from Arnd Bergmann:
 "The I.MX platform is getting converted to use sparse IRQs.  We are
  doing this for all platforms over time, because this is one of the
  requirements for building a multiplatform kernel, and generally a good
  idea."

* tag 'irq' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx: select USE_OF
  ARM: imx: Fix build error due to missing irqs.h include
  ARM: imx: enable SPARSE_IRQ for imx platform
  ARM: fiq: change FIQ_START to a variable
  tty: serial: imx: remove the use of MXC_INTERNAL_IRQS
  ARM: imx: remove unneeded mach/irq.h inclusion
  i2c: imx: remove unneeded mach/irqs.h inclusion
  ARM: imx: add a legacy irqdomain for mx31ads
  ARM: imx: add a legacy irqdomain for 3ds_debugboard
  ARM: imx: pass gpio than irq number into mxc_expio_init
  ARM: imx: leave irq_base of wm8350_platform_data uninitialized
  dma: ipu: remove the use of ipu_platform_data
  ARM: imx: move irq_domain_add_legacy call into avic driver
  ARM: imx: move irq_domain_add_legacy call into tzic driver
  gpio/mxc: move irq_domain_add_legacy call into gpio driver
  ARM: imx: eliminate macro IRQ_GPIOx()
  ARM: imx: eliminate macro IOMUX_TO_IRQ()
  ARM: imx: eliminate macro IMX_GPIO_TO_IRQ()
2012-07-23 17:36:02 -07:00
Roland Stigge
4fbb0022cb gpio: of_get_named_gpio_flags() return -EPROBE_DEFER if GPIO not yet available
of_get_named_gpio_flags() and of_get_named_gpio() return -EPROBE_DEFER if the
respective GPIO is not (yet) available. This is useful if driver's probe()
functions try to get a GPIO whose controller isn't probed yet. Thus, the driver
can be probed again later on.

The function still returns -EINVAL on other errors (parse error or node doesn't
exist). This way, the case of an optional/intentionally missing GPIO is handled
appropriately.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-07-17 21:00:21 +02:00
Mark Brown
e935457630 gpiolib: Defer failed gpio requests by default
Since users must be explicitly provided with a GPIO number in order to
request one the overwhelmingly common case for failing to request will
be that the required GPIO driver has not yet registered and we should
therefore defer until it has registered.

In order to avoid having to code this logic in individual drivers have
gpio_request() return -EPROBE_DEFER when failing to look up the GPIO.
Drivers which don't want this behaviour can override it if they desire.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-07-17 21:00:20 +02:00