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* gpio: pl061: drop references to "virtual" IRQLinus Walleij2013-10-161-5/+5
| | | | | | | | | | | Rename the argument "virq" to just "irq", this IRQ isn't any more "virtual" than any other Linux IRQ number, we use "hwirq" for the actual hw-numbers, "virq" is just bogus. Cc: Haojian Zhuang <haojian.zhuang@linaro.org> Cc: Rob Herring <rob.herring@calxeda.com> Acked-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: mpc8xxx: drop references to "virtual" IRQLinus Walleij2013-10-161-4/+4
| | | | | | | | | | Rename the argument "virq" to just "irq", this IRQ isn't any more "virtual" than any other Linux IRQ number, we use "hwirq" for the actual hw-numbers, "virq" is just bogus. Cc: Anatolij Gustschin <agust@denx.de> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: lynxpoint: drop references to "virtual" IRQLinus Walleij2013-10-161-9/+10
| | | | | | | | | | | Rename the argument "virq" to just "irq", this IRQ isn't any more "virtual" than any other Linux IRQ number, we use "hwirq" for the actual hw-numbers, "virq" is just bogus. Take this opportunity to sink a variable into a loop. Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: intel-mid: drop references to "virtual" IRQLinus Walleij2013-10-161-5/+5
| | | | | | | | | Rename the argument "virq" to just "irq", this IRQ isn't any more "virtual" than any other Linux IRQ number, we use "hwirq" for the actual hw-numbers, "virq" is just bogus. Acked-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: em: drop references to "virtual" IRQLinus Walleij2013-10-161-6/+6
| | | | | | | | | | Rename the argument "virq" to just "irq", this IRQ isn't any more "virtual" than any other Linux IRQ number, we use "hwirq" for the actual hw-numbers, "virq" is just bogus. Cc: Magnus Damm <damm@opensource.se> Reviewed-by: Ian Molton <ian.molton@codethink.co.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: bcm_kona: rename confusing variablesLinus Walleij2013-10-161-7/+8
| | | | | | | | | | | | Rename the argument "virq" to just "irq", this IRQ isn't any more "virtual" than any other Linux IRQ number, we use "hwirq" for the actual hw-numbers, "virq" is just bogus. Rename the "gpio" variable to "hwirq" to reflect what it is. Rename one instance of "virq" to "child_irq" that better describes what it is. Cc: Markus Mayer <markus.mayer@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: adnp: rename "virq" to "child_irq"Linus Walleij2013-10-161-3/+3
| | | | | | | | | This variable is confusingly named, the different Linux IRQs aren't any more virtual than any other Linux IRQ. Give it a non-misleading name. Acked-by: Lars Poeschel <poeschel@lemonage.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: tc3589x: drop references to "virtual" IRQLinus Walleij2013-10-111-18/+18
| | | | | | | | Rename the argument "virq" to just "irq", this IRQ isn't any more "virtual" than any other Linux IRQ number, we use "hwirq" for the actual hw-numbers, "virq" is just bogus. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: bcm281xx: Fix nested interrupt handler issueMarkus Mayer2013-10-111-1/+0
| | | | | | | The GPIO interrupt handler does not need to be marked as nested. Signed-off-by: Markus Mayer <markus.mayer@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* MAINTAINERS: GPIO-INTEL-MID: add maintainerDavid Cohen2013-10-111-0/+6
| | | | | | | | | Assign david.a.cohen@linux.intel.com as maintainer of Intel MID gpio driver at drivers/gpio/gpio-intel-mid.c. Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio-intel-mid: update prefixes and names from langwell to intel-midDavid Cohen2013-10-111-120/+123
| | | | | | | | | | | After file was renamed from gpio-langwell to gpio-intel-mid, this patch updates the variables, functions and structs to be based on intel-mid instead of langwell. There is no function change. Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: rename gpio-langwell to gpio-intel-midDavid Cohen2013-10-113-4/+4
| | | | | | | | | | | gpio-langwell is a deprecated name. Despite the driver was made initially for Langwell, it supports now other Intel Mid SoC's. This patch does no change beside the file renaming with Kconfig/Makefile update. Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: langwell: add Intel Merrifield supportDavid Cohen2013-10-111-11/+82
| | | | | | | | | | | | This patch implements a better way to handle multiple SoC's and adds Intel Merrifield support to gpio-langwell. It was based on previous work from Ning Li <ning.li@intel.com> Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Fei Yang <fei.yang@intel.com> Signed-off-by: Ning Li <ning.li@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpiolib / ACPI: move acpi_gpiochip_free_interrupts next to the request functionMika Westerberg2013-10-111-38/+38
| | | | | | | | | It makes more sense to have these functions close to each other. No functional changes. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: arizona: Use the of_node from the Arizona deviceCharles Keepax2013-10-021-0/+3
| | | | | | | | We need to use the of_node from the main Arizona device as that holds our configuration. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: twl4030: Remove redundant of_match_ptrSachin Kamat2013-10-021-1/+1
| | | | | | | | The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: clps711x: Remove redundant of_match_ptrSachin Kamat2013-10-021-1/+1
| | | | | | | | The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* gpio: adnp: Remove redundant of_match_ptrSachin Kamat2013-10-021-1/+1
| | | | | | | | The data structure of_match_ptr() protects is always compiled in. Hence of_match_ptr() is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* ARM: gemini: delete <mach/gpio.h>Linus Walleij2013-10-013-22/+1
| | | | | | | | | | The Gemini has no need of a <mach/gpio.h> header as this is only used by the machine-local gpio.c gpiochip driver, which is also only using the irq_to_gpio() macro. Delete the file, move the single macro into the driver and remove the NEED_MACH_GPIO_H flag. Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* ARM: w90x900: delete <mach/gpio.h>Linus Walleij2013-10-011-30/+0
| | | | | | | | The local <mach/gpio.h> file on the w90x900 is completely unused and the platform does not define NEED_MACH_GPIO_H. Cc: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* Merge branch 'ixp4-cleanup' into develLinus Walleij2013-09-279-117/+160
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| * ARM: ixp4xx: stop broadcasting the custom GPIO APILinus Walleij2013-09-272-39/+38
| | | | | | | | | | | | | | | | | | | | | | Now that these custom GPIO accessors are only used from the gpio chip in this machine, move the code out of the include file and right next to the gpiochip implementation. Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * ARM: ixp4: delete irq_to_gpioLinus Walleij2013-09-271-11/+0
| | | | | | | | | | | | | | | | | | | | This dangerous function is not used in the kernel, so let's just delete it. Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * staging: media/lirc: switch to use gpiolibLinus Walleij2013-09-271-3/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The lirc serial module has special hooks to work with NSLU2, switch these over to use gpiolib, as that is available on the ixp4 platform. Not even compile tested as there is no way to select this driver from menuconfig on the ixp4 platform. Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Alexandre Courbot <acourbot@nvidia.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * ptp: switch to use gpiolibLinus Walleij2013-09-271-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | This platform supports gpiolib, so remove the custom API use and replace with calls to gpiolib. Also request the GPIO before starting to use it. Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Alexandre Courbot <acourbot@nvidia.com> Cc: netdev@vger.kernel.org Acked-by: Richard Cochran <richardcochran@gmail.com> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * input: misc: ixp4-beeper: use gpiolib strictlyLinus Walleij2013-09-271-2/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | Request and free the GPIO line used for the beeper properly. Then use the gpiolib API to flip the output of the GPIO pin instead of relying on hacks to poke the register bits. Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * input: misc: ixp4-beeper: switch to use gpiolibLinus Walleij2013-09-271-7/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The platform using this beeper has support for gpiolib, so there is no point to use the custom gpio_line* API. A strange ambiguity where a line was first set as input and then driven high was solved by first driving the line high as output and then switch it to input. Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * ARM: ixp4xx: convert remaining users to use gpiolibLinus Walleij2013-09-274-54/+85
| | | | | | | | | | | | | | | | | | | | | | | | | | | | A few call sites inside mach-ixp4xx were still using the custom ixp4xx GPIO API with gpio_line_* accessors, convert all these to use the standard gpiolib functions instead. Also attempt to request and label all GPIOs before use. Move the GPIO requests to per-machine device_initcalls() so we are not dependent on the GPIO chip to be available at machine_init time. Cc: Imre Kaloz <kaloz@openwrt.org> Cc: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | Merge branch 'pxa-cleanup' into develLinus Walleij2013-09-273-42/+0
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| * | ARM: pxa: delete the custom GPIO headerLinus Walleij2013-09-272-33/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PXA sub-architecture appears to have a custom <mach/gpio.h> for no reason whatsoever. The file became completely empty after Haojian removed the remaining content in commit 157d2644cb0c1e71a18baaffca56d2b1d0ebf10f "ARM: pxa: change gpio to platform device". That commit added these two lines: However it seems like deleting the file has no effect whatsoever on the kernel compilation. Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | ARM: mmp: delete the custom GPIO headerLinus Walleij2013-09-272-9/+0
| |/ | | | | | | | | | | | | | | | | | | | | | | The MMP sub-architecture appears to have a custom <mach/gpio.h> for no reason whatsoever. The file became completely empty after Haojian removed the remaining content in commit 157d2644cb0c1e71a18baaffca56d2b1d0ebf10f "ARM: pxa: change gpio to platform device". Cc: Eric Miao <eric.y.miao@gmail.com> Acked-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: pcf857x: Add OF supportLaurent Pinchart2013-09-232-8/+107
| | | | | | | | | | | | | | | | Add DT bindings for the pcf857x-compatible chips and parse the device tree node in the driver. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: pca953x: Don't flip bits on PCA957x GPIO expanders when probing them.Graeme Smecher2013-09-231-11/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The pca957x driver supports a handful of I2C GPIO expanders from NXP, Maxim, and TI. For the PCA9574 and PCA9575 devices only, the driver resets the GPIO level and direction in the pca957x_probe function. This seems like the wrong thing to do, since it can cause hardware bit twiddles during warm reboots when the chip state and reset values don't match. This kind of initialization is best left upstream (in a bootloader) or downstream (in userspace). It's also an inconsistency across devices supported by this driver. This patch is NOT boot-tested: the SoC I'm using is stuck on 2.6.37, and the patch doesn't apply trivially. Signed-off-by: Graeme Smecher <gsmecher@threespeedlogic.com> Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: gpio-mc33880: Remove redundant spi_set_drvdataSachin Kamat2013-09-231-3/+0
| | | | | | | | | | | | | | Driver core sets driver data to NULL upon failure or remove. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: gpio-74x164: Remove redundant of_match_ptrSachin Kamat2013-09-231-1/+1
| | | | | | | | | | | | | | | | 'gen_74x164_dt_ids' is always compiled in. Hence the macro is not necessary. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: gpio-74x164: Remove redundant spi_set_drvdataSachin Kamat2013-09-231-3/+0
| | | | | | | | | | | | | | | | Driver core sets driver data to NULL upon failure or remove. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | Merge branch 'iop-cleanup' into develLinus Walleij2013-09-2319-128/+135
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| * | ARM: plat-iop: pass physical base for GPIOLinus Walleij2013-09-204-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This alters the IOP platforms to pass a physical base for their GPIO blocks and alters the driver to remap it when probing instead of relying on the virtual addresses to be used. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | gpio: iop: use readl/writel accessorsLinus Walleij2013-09-201-8/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the standard 32bit I/O accessors instead of just assigning addresses. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | ARM: plat-iop: instantiate GPIO from platform deviceLinus Walleij2013-09-2016-59/+68
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This converts the IOP32x and IOP33x platforms to pass their base address offset by a resource attached to a platform device instead of using static offset macros implicitly passed through <linux/gpio.h> including <mach/gpio.h>. Delete the local <mach/gpio.h> and <asm/hardware/iop3xx-gpio.h> headers and remove the selection of NEED_MACH_GPIO_H. Pass the virtual address as a resource in the platform device at this point for bisectability, next patch will pass the physical address as is custom. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | ARM: plat-iop: remove custom complex GPIO implementationLinus Walleij2013-09-203-52/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The kernel will now only use gpiolib to access GPIOs, so remove the complex GPIO flag and the custom implementation. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | gpio: decouple the IOP GPIO driver from platformLinus Walleij2013-09-201-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This removes the only dependence between the IOP GPIO driver and the GENERIC_GPIO header in <mach/gpio.h> and its common implementation in the <asm/*> namespace by copying the one constant it is using into the driver file. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | ARM: iop32x: read N2100 power key using gpiolibLinus Walleij2013-09-201-6/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Refrain from using the custom gpio_line_get() to read the power key on the N2100, use the gpiolib function gpio_get() instead. Also request the line in the GPIOs initicall, and move the poll timer setup to that inicall so the gpio chip is available before we request this GPIO and start to poll it. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | ARM: iop32x: request and issue reset using gpioLinus Walleij2013-09-201-2/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As the IOP GPIO driver supports gpiolib we can use the standard GPIO calls to issue a reset of the machine instead of using the custom gpio_line_set/config calls. Also request the GPIO when initializing the machine. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * | ARM: plat-iop: move the GPIO driver to drivers/gpioLinus Walleij2013-09-205-2/+12
| |/ | | | | | | | | | | | | | | | | | | | | Move the IOP GPIO driver to live with its siblings in the GPIO subsystem. Cc: Lennert Buytenhek <kernel@wantstofly.org> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Mikael Pettersson <mikpe@it.uu.se> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: bcm-kona: only use set_irq_flags() on ARMLinus Walleij2013-09-201-6/+14
| | | | | | | | | | | | | | | | | | | | | | | | As per the pattern from other GPIO drivers, use set_irq_flags() on ARM only, use irq_set_noprobe() on other archs. Also rename the argument "virq" to just "irq", this IRQ isn't any more "virtual" than any other Linux IRQ number, we use "hwirq" for the actual hw-numbers, "virq" is just bogus. Reviewed-by: Markus Mayer <mmayer@broadcom.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: ucb1400: Can be built as a moduleJean Delvare2013-09-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | With the recent code cleanup from Marek Vasut, driver gpio-ucb1400 can be built as a module, so change symbol GPIO_UCB1400 from bool to tristate. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Marek Vasut <marex@denx.de> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: bt8xx: remove unnecessary pci_set_drvdata()Jingoo Han2013-09-201-2/+0
| | | | | | | | | | | | | | | | | | The driver core clears the driver data to NULL after device_release or on probe failure. Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: arizona: Add wm8997 support to probeCharles Keepax2013-09-201-0/+1
| | | | | | | | | | Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | gpio: bcm281xx: Add GPIO driverMarkus Mayer2013-09-204-0/+691
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the GPIO driver for the Broadcom bcm281xx family of mobile SoCs. These GPIO controllers may contain up to 8 banks where each bank includes 32 pins that can be driven high or low and act as an edge sensitive interrupt. Signed-off-by: Markus Mayer <markus.mayer@linaro.org> Reviewed-by: Christian Daudt <csd@broadcom.com> Reviewed-by: Tim Kryger <tim.kryger@linaro.org> Reviewed-by: Matt Porter <matt.porter@linaro.org> Reviewed-by: Stephen Warren <swarren@nvidia.com> [Added depends on OF_GPIO] Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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