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path: root/drivers/gpio
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2015-01-30gpio: use sizeof() instead of hardcoded valuesOlliver Schinagl
gpiolib uses a fixed string for the suffixes and defines it at 32 bytes. Later in the code snprintf is used with this fixed value of 32. Using sizeof() is safer in case the size for the suffixes is ever changed. Signed-off-by: Olliver Schinagl <oliver@schinagl.nl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-30gpio: max732x: add set_multiple functionMans Rullgard
This adds a set_multiple function to the MAX732x GPIO driver, allowing for performance gains when using gpiod_set_array(). Signed-off-by: Mans Rullgard <mans@mansr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-30gpio: sysfs: fix memory leak in gpiod_sysfs_set_active_lowJohan Hovold
Fix memory leak in the gpio sysfs interface due to failure to drop reference to device returned by class_find_device when setting the gpio-line polarity. Fixes: 0769746183ca ("gpiolib: add support for changing value polarity in sysfs") Cc: stable <stable@vger.kernel.org> # v2.6.33 Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-30gpio: sysfs: fix memory leak in gpiod_export_linkJohan Hovold
Fix memory leak in the gpio sysfs interface due to failure to drop reference to device returned by class_find_device when creating a link. Fixes: a4177ee7f1a8 ("gpiolib: allow exported GPIO nodes to be named using sysfs links") Cc: stable <stable@vger.kernel.org> # v2.6.32 Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-29ARM: 8281/1: sa1100: move GPIO-related IRQ code to gpio driverDmitry Eremin-Solenikov
As a part of driver consolidation, move GPIO-related IRQ code to drivers/gpio/gpio-sa1100.c. The code does not use GPIOLIB_IRQCHIP (yet), because sa1100 does not have a device for gpios, which is a requirement for GPIOLIB_IRQCHIP. This will be the next step. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Tested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-29ARM: 8278/1: sa1100: split irq handling for low GPIOsDmitry Eremin-Solenikov
Low GPIO pins use an interrupt in SC interrupts space. However it's possible to handle them as if all the GPIO interrupts are instead tied to single GPIO handler, which later decodes GEDR register and chain-calls next IRQ handler. So split first 11 interrupts into system part (IRQ_GPIO0_SC - IRQ_GPIO10_SC) which work exactly like the rest of system controller interrupts and real GPIO interrupts (IRQ_GPIO0..IRQ_GPIO10). A single handler sa1100_gpio_handler then decodes and calls next handler. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Tested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-29gpio: sch: Consolidate similar algorithmsChang Rebecca Swee Fun
Consolidating similar algorithms into common functions to make GPIO SCH simpler and manageable. Signed-off-by: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@intel.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-29gpio: tz1090-pdc: Use resource_size to fix off-by-one resource size calculationAxel Lin
Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-29gpio: ge: Convert to use devm_kstrdupAxel Lin
Use devm_kstrdup to simplify the error handling path. Also return -ENOMEM instead of 0 if devm_kstrdup fails. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-29gpio: correctly use const char * constOlliver Schinagl
On my previous patch I was overly hasty and made the suffixes string array const char const *suffixes, instaed of const char * const suffixes. This patch corrects that Signed-off-by: Olliver Schinagl <oliver@schinagl.nl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-26gpio: mcp23s08: handle default gpio baseSonic Zhang
Create default gpio base if neither device node nor platform data is defined. Cc: Stable <stable@vger.kernel.org> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Tested-by: Antonio Fiol <antonio@fiol.es> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-26gpio: omap: Fix bad device access with setup_irq()Tony Lindgren
Similar to omap_gpio_irq_type() let's make sure that the GPIO is usable as an interrupt if the platform init code did not call gpio_request(). Otherwise we can get invalid device access after setup_irq(): WARNING: CPU: 0 PID: 1 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x214/0x340() 44000000.ocp:L3 Custom Error: MASTER MPU TARGET L4CFG (Idle): Data Access in Supervisor mode during Functional access ... [<c05f21e4>] (__irq_svc) from [<c05f1974>] (_raw_spin_unlock_irqrestore+0x34/0x44) [<c05f1974>] (_raw_spin_unlock_irqrestore) from [<c00914a8>] (__setup_irq+0x244/0x530) [<c00914a8>] (__setup_irq) from [<c00917d4>] (setup_irq+0x40/0x8c) [<c00917d4>] (setup_irq) from [<c0039c8c>] (omap_system_dma_probe+0x1d4/0x2b4) [<c0039c8c>] (omap_system_dma_probe) from [<c03b2200>] (platform_drv_probe+0x44/0xa4) ... We can fix this the same way omap_gpio_irq_type() is handling it. Note that the long term solution is to change the gpio-omap driver to handle the banks as separate driver instances. This will allow us to rely on just runtime PM for tracking the bank specific state. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Javier Martinez Canillas <javier@dowhile0.org> Cc: Kevin Hilman <khilman@kernel.org> Cc: Santosh Shilimkar <ssantosh@kernel.org> Tested-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-22gpio: sx150x: fixup OF supportLinus Walleij
Make OF conditional on CONFIG_OF_GPIO, rename and register the match table. Reported-by: Mike Krinkin <krinkin.m.u@gmail.com> Cc: Wei Chen <Wei.Chen@csr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-21gpio: mpc8xxx: Use of_mm_gpiochip_removeRicardo Ribalda Delgado
Since d621e8bae5ac9c67 (Create of_mm_gpiochip_remove), there is a counterpart for of_mm_gpiochip_add. This patch implements the remove function of the driver making use of it. Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20gpio: Add Fujitsu MB86S7x GPIO driverJassi Brar
Driver for Fujitsu MB86S7x SoCs that have a memory mapped GPIO controller. Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org> Signed-off-by: Andy Green <andy.green@linaro.org> Signed-off-by: Vincent Yang <Vincent.Yang@tw.fujitsu.com> Signed-off-by: Tetsuya Nuriya <nuriya.tetsuya@jp.fujitsu.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20gpio: mpc8xxx: Convert to platform device interface.Ricardo Ribalda Delgado
This way we do not need to transverse the device tree manually. Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org Acked-by: Peter Korsgaard <peter@korsgaard.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20gpio: zevio: Use of_mm_gpiochip_removeRicardo Ribalda Delgado
Since d621e8bae5ac9c67 (Create of_mm_gpiochip_remove), there is a counterpart for of_mm_gpiochip_add. This patch implements the remove function of the driver making use of it. Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Fabian Vogt <fabian@ritter-vogt.de> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20gpio: gpio-mm-lantiq: Use of_mm_gpiochip_removeRicardo Ribalda Delgado
Since d621e8bae5ac9c67 (Create of_mm_gpiochip_remove), there is a counterpart for of_mm_gpiochip_add. This patch implements the remove function of the driver making use of it. Cc: Alexandre Courbot <gnurou@gmail.com> Cc: John Crispin <blogic@openwrt.org> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20gpio: gpio-mm-lantiq: Use of_property_read_u32Ricardo Ribalda Delgado
Instead of parsing manually the shadow content, use the much simpler helper of_property_read_u32. Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: John Crispin <blogic@openwrt.org> Cc: devicetree@vger.kernel.org Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20gpio: gpio-mm-lantiq: Do not replicate codeRicardo Ribalda Delgado
Do not replicate code from of_mm_gpiochip_add. Cc: Alexandre Courbot <gnurou@gmail.com> Cc: John Crispin <blogic@openwrt.org> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20gpio :gpio-mm-lantiq: Use devm_kzallocRicardo Ribalda Delgado
Replace kzalloc with the device managed devm_kzalloc Cc: Alexandre Courbot <gnurou@gmail.com> Cc: John Crispin <blogic@openwrt.org> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20gpio: mpc5200: Use of_mm_gpiochip_removeRicardo Ribalda Delgado
Since d621e8bae5ac9c67 (Create of_mm_gpiochip_remove), there is a counterpart for of_mm_gpiochip_add. This patch implements the remove function of the driver making use of it. Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20gpio: stmpe: enforce device tree only modeLinus Walleij
Require that device tree be used with STMPE (all platforms use this) and enforce OF_GPIO, then delete the platform data. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-20Merge tag 'v3.19-rc5' into develLinus Walleij
Linux 3.19-rc5
2015-01-20gpio: Add APM X-Gene standby GPIO controller driverY Vo
Driver for standby GPIO controller of APM X-Gene SoCs on arm64. Signed-off-by: Y Vo <yvo@apm.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-19gpio: sx150x: add dts support for sx150x driverWei Chen
Current sx150x gpio expander driver doesn't support DTS. Now we added dts support for this driver. Signed-off-by: Wei Chen <Wei.Chen@csr.com> Signed-off-by: Barry Song <Baohua.Song@csr.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-19gpio-generic: add bgpio_set_multiple functionsRojhalat Ibrahim
Add set_multiple functions to the generic driver for memory-mapped GPIO controllers to improve performance when setting multiple outputs simultaneously. Signed-off-by: Rojhalat Ibrahim <imr@rtschenk.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-19gpio-amd8111: add release_region on ioport_map failureVarka Bhadram
Commit ffe4770b9b3483f74 ("gpio-amd8111: check ioport_map return value") adds the error check on ioport_map(). It doesnt release the requested region. On failure this patch release the region that has requested before. Signed-off-by: Varka Bhadram <varkab@cdac.in> Reported-by: Alexandre Courbot <gnurou@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-19gpio: ge: fix compilation errorKamlakant Patel
Include linux/slab.h to fix following compilation error. drivers/gpio/gpio-ge.c: In function ‘gef_gpio_probe’: drivers/gpio/gpio-ge.c:95:2: error: implicit declaration of function ‘kfree’ [-Werror=implicit-function-declaration] kfree(bgc->gc.label); Signed-off-by: Kamlakant Patel <kamlakant.patel@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-19Merge tag 'gpio-v3.19-4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: "Here is a set of fixes that mainly appeared when Johan Hovold started exercising the removal path of the GPIO library, dealing with hotplugging of GPIO controllers. Details from tag: A slew of fixes dealing with some irritating bugs (non-regressions) that have been around forever in the GPIO subsystem, most of them also tagged for stable: - A large slew of fixes from Johan Hovold who is finally testing and reviewing the removal path of the GPIO drivers. - Fix of_get_named_gpiod_flags() so it works as expected. - Fix an IRQ handling bug in the crystalcove driver" * tag 'gpio-v3.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpiolib: of: Correct error handling in of_get_named_gpiod_flags gpio: sysfs: fix gpio attribute-creation race gpio: sysfs: fix gpio device-attribute leak gpio: sysfs: fix gpio-chip device-attribute leak gpio: unregister gpiochip device before removing it gpio: fix sleep-while-atomic in gpiochip_remove gpio: fix memory leak and sleep-while-atomic gpio: clean up gpiochip_add error handling gpio: fix gpio-chip list corruption gpio: fix memory and reference leaks in gpiochip_add error path gpio: crystalcove: use handle_nested_irq
2015-01-16gpio: ge: convert to use basic mmio gpio libraryKamlakant Patel
This patch converts GE GPIO driver to use basic_mmio_gpio generic library. Signed-off-by: Kamlakant Patel <kamlakant.patel@linaro.org> Acked-by: Martyn Welch <martyn.welch@ge.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpiolib: of: Correct error handling in of_get_named_gpiod_flagsHans Holmberg
of_get_named_gpiod_flags fails with -EPROBE_DEFER in cases where the gpio chip is available and the GPIO translation fails. This causes drivers to be re-probed erroneusly, and hides the real problem(i.e. the GPIO number being out of range). Cc: Stable <stable@vger.kernel.org> Signed-off-by: Hans Holmberg <hans.holmberg@intel.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: gpio-dln2: Added a Blank line after declarationMohammad Jamal
Fix the coding style issue by adding a blank line after declaration Signed-off-by: Mohammad Jamal <md.jamalmohiuddin@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: max732x: Fix possible deadlockSemen Protsenko
This patch was derived from next one: "gpio: fix pca953x set_type 'scheduling while atomic' bug". After adding entry that consumes max732x GPIO as interrupt line to dts file, deadlock appears somewhere in max732x probe function. Deadlock caught by lockdep (from kernel log): <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< cut here >>>>>>>>>>>>>>>>>>>>>>>>>>> [ 0.473419] ====================================================== [ 0.473419] [ INFO: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected ] [ 0.473449] 3.x.xx-xxxxx-xxxxxxxx-dirty #2 Tainted: G W [ 0.473449] ------------------------------------------------------ [ 0.473449] swapper/0/1 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 0.473449] (&lock->wait_lock){+.+...}, at: [<c072e350>] rt_mutex_trylock+0xc/0x74 [ 0.473480] [ 0.473480] and this task is already holding: [ 0.473510] (&chip->lock){......}, at: [<c0314514>] max732x_gpio_set_value+0x2c/0xa4 [ 0.473541] which would create a new lock dependency: [ 0.473541] (&chip->lock){......} -> (&lock->wait_lock){+.+...} ... [ 0.474273] *** DEADLOCK *** [ 0.474273] [ 0.474273] 5 locks held by swapper/0/1: [ 0.474273] #0: (&__lockdep_no_validate__){......}, at: [<c03b2328>] __driver_attach+0x48/0x98 [ 0.474304] #1: (&__lockdep_no_validate__){......}, at: [<c03b2338>] __driver_attach+0x58/0x98 [ 0.474334] #2: (&chip->irq_lock){+.+...}, at: [<c0313e3c>] max732x_irq_bus_lock+0x14/0x20 [ 0.474365] #3: (&irq_desc_lock_class){-.....}, at: [<c00a65a4>] __irq_get_desc_lock+0x48/0x88 [ 0.474365] #4: (&chip->lock){......}, at: [<c0314514>] max732x_gpio <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< cut here >>>>>>>>>>>>>>>>>>>>>>>>>>> Signed-off-by: Semen Protsenko <semen.protsenko@globallogic.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: max732x: Rewrite IRQ code to use irq_domain APISemen Protsenko
Signed-off-by: Semen Protsenko <semen.protsenko@globallogic.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: max732x: Add device tree supportSemen Protsenko
Signed-off-by: Semen Protsenko <semen.protsenko@globallogic.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio/Kconfig: Fix X86 arch nameRicardo Ribalda Delgado
X86 Kconfig symbol is X86, not ARCH_X86. Fixes: c586b3075d5b47d8 (gpio/xilinx: Add support for X86 Arch) Reported-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: rcar: Switch to use gpiolib irqchip helpersGeert Uytterhoeven
Switch the R-Car Gen2 GPIO driver to use the gpiolib irqchip helpers. While doing this also make sure that gpiochip_irqchip_add() is called after the gpiochip itself is registered, as required. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: rcar: Fix error path for devm_kzalloc() failureGeert Uytterhoeven
If the call to devm_kzalloc() fails, nothing must be cleant up. This was missed before because gpio_rcar_probe() had a "return" statement after the first "goto err0". Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Fixes: df0c6c80232f2ad4 ("gpio: rcar: Add minimal runtime PM support") Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: mvebu: Fix probe cleanup on errorAndrew Lunn
Ensure that when there is an error during probe that the gpiochip is removed and the generic irq chip is removed. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: mvebu: checkpatch fixesAndrew Lunn
Wrap some long lines. Prefer seq_puts() over seq_printf(). space to tab conversions. Spelling error fix. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio:gpiolib: use static const char const * for a suffixes arrayOlliver Schinagl
Checkpatch complains, and probably with good reason that we should use const char const * for the static constant array that never gets changed. Signed-off-by: Olliver Schinagl <oliver@schinagl.nl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio-amd8111: check ioport_map return valueVarka Bhadram
ioport_map() may fail. Its safe to check the return value. Signed-off-by: Varka Bhadram <varkab@cdac.in> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: dwapb: Convert to use resource managed APIsAxel Lin
Use resource managed APIs to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: tz1090: Use resource_size to fix off-by-oneAxel Lin
Use resource_size to fix off-by-one resource size calculation Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: James Hogan <james.hogan@imgtec.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: drop owner assignment from platform_driversWolfram Sang
This platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: sx150x: Fix comparing wrong value with chip->irq_maskedAxel Lin
Fix a copy-paste bug. Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: grgpio: off by one in grgpio_to_irq()Dan Carpenter
"gc->ngpio" is a number between 1 and GRGPIO_MAX_NGPIO. If "offset" is GRGPIO_MAX_NGPIO then we're going one step beyond the end of the priv->lirqs[] array. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: tc3589x: get rid of platform dataLinus Walleij
This device is only used from the device tree, and the startup() and remove() callbacks are not used anywhere in the kernel, so retire them and the pdata altogether. Cc: Samuel Ortiz <sameo@linux.intel.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-01-15gpio: vx855: Switch to use managed resources APIsAxel Lin
Use devm_* APIs to simplify the code a bit. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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