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2014-01-17gpio: mcp23s08: Add irq functionality for i2c chipsLars Poeschel3-6/+271
This adds interrupt functionality for i2c chips to the driver. They can act as a interrupt-controller and generate interrupts, if the inputs change. This is tested with a mcp23017 chip on an arm based platform. v3: - be a bit more clear that the irq functionality is also available on spi versions of the chips, but the linux driver does not support this yet v2: - some more word about irq-mirror property in binding doc - use of_read_bool instead of of_find_property for "interrupt-contrller" and "irq-mirror" - cache the "interrupt-controller" for remove function - do set the irq-mirror bit only if device is marked as interrupt-controller - do create the irq mapping and setup of irq_desc of all possible interrupts in probe path instead of in gpio_to_irq - mark gpios as in use as interrupts in irq in irq_startup and unlock it in irq_shutdown - rename virq to child_irq - remove dev argument from mcp23s08_irq_setup function - move gpiochip_add before mcp23s08_irq_setup in probe path Signed-off-by: Lars Poeschel <poeschel@lemonage.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-15ARM: S5P[v210|c100|64x0]: Fix build errorSachin Kamat2-0/+6
gpio-samsung.h header file introduced by commit 93177be0910c ("ARM: S3C[24|64]xx: move includes back under <mach/> scope") is required only by S3C[24|64]xx machines. Include them conditionally to avoid the following build errors for other machine configurations. drivers/gpio/gpio-samsung.c:35:31: fatal error: mach/gpio-samsung.h: No such file or directory arch/arm/plat-samsung/pm-gpio.c:22:31: fatal error: mach/gpio-samsung.h: No such file or directory Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-15gpio: pxa: clamp gpio get value to [0,1]Neil Zhang1-1/+2
It would be convenient to normalize the return value for gpio_get. I have checked mach-mmp / mach-pxa / plat-pxa / plat-orion / mach-orion5x. It's OK for all of them to change this function to return 0 and 1. Signed-off-by: Neil Zhang <zhangwm@marvell.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-14ARM: s3c24xx: explicit dependency on <plat/gpio-cfg.h>Linus Walleij6-2/+5
Previously the custom GPIO header for the S3C24xx would in turn bring in the custom pin control implementation from <plat/gpio-cfg.h>. This is not good as it mixes up two subsystems and makes the dependencies hard to track. Make the dependency explicit by explicitly including the pin control header where needed. Reported-by: Arnd Bergmann <arnd@arndb.de> Cc: Tomasz Figa <tomasz.figa@gmail.com> Cc: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Mark Brown <broonie@kernel.org> Cc: linux-samsung-soc@vger.kernel.org Acked-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-14ARM: S3C[24|64]xx: move includes back under <mach/> scopeLinus Walleij58-67/+56
When refactoring and breaking out the includes for the machine-specific GPIO configuration, two files were created in <linux/platform_data/gpio-samsung-s3c[24|64]xx.h>, but as that namespace shall be used for defining data exchanged between machines and drivers, using it for these broad macros and config settings is wrong. Move the headers back into the machine-local <mach/gpio-samsung.h> file and think about the next step. Reported-by: Arnd Bergmann <arnd@arndb.de> Cc: Tomasz Figa <tomasz.figa@gmail.com> Cc: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: linux-samsung-soc@vger.kernel.org Acked-by: Mark Brown <broonie@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-08Documentation / ACPI: update to GPIO descriptor APIMika Westerberg1-29/+7
Update the documentation also to reflect the fact that there are no ACPI specific GPIO interfaces anymore but drivers should instead use the descriptor based GPIO APIs. 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>
2014-01-08gpio / ACPI: get rid of acpi_gpio.hMika Westerberg4-48/+26
Now that all users of acpi_gpio.h have been moved to use either the GPIO descriptor interface or to the internal gpiolib.h we can get rid of acpi_gpio.h entirely. Once this is done the only interface to get GPIOs to drivers enumerated from ACPI namespace is the descriptor based interface. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-08gpio / ACPI: register to ACPI events automaticallyMika Westerberg5-14/+39
Instead of asking each driver to register to ACPI events we can just call acpi_gpiochip_register_interrupts() for each chip that has an ACPI handle. The function checks chip->to_irq and if it is set to NULL (a GPIO driver that doesn't do interrupts) the function does nothing. We also add the a new header drivers/gpio/gpiolib.h that is used for functions internal to gpiolib and add ACPI GPIO chip registering functions to that header. Once that is done we can remove call to acpi_gpiochip_register_interrupts() from its only user, pinctrl-baytrail.c 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>
2014-01-08mmc: sdhci-acpi: convert to use GPIO descriptor APIMika Westerberg1-16/+13
The new descriptor based GPIO interface is now the recommended and safer way of using GPIOs from device drivers. Convert the ACPI SDHCI driver to use that interface. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-08ARM: s3c24xx: fix build errorLinus Walleij1-0/+1
When enabling device tree on the S3C an additional build bug appears in the Osiris DVS board file: CC arch/arm/mach-s3c24xx/mach-osiris-dvs.o archh/arm/mach-s3c24xx/mach-osiris-dvs.c: In function ‘osiris_dvs_notify’: arch/arm/mach-s3c24xx/mach-osiris-dvs.c:77:4: error: implicit declaration of function ‘S3C2410_GPB’ [-Werror=implicit-function-declaration] gpio_set_value(OSIRIS_GPIO_DVS, 1); ^ Fix this by explicitly including <linux/platform_data/gpio-samsung-s3c24xx.h> Reported-by: Arnd Bergmann <arnd@arndb.de> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Tomasz Figa <tomasz.figa@gmail.com> Cc: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: linux-samsung-soc@vger.kernel.org Acked-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07gpio: f7188x: set can_sleep attributeSimon Guinot1-0/+1
Since request_muxed_region() is used to synchronize access on the Super-I/O controller, then the can_sleep attribute must be set for the f7188x GPIO chips. Signed-off-by: Simon Guinot <simon.guinot@sequanux.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07gpio: samsung: Update documentationSachin Kamat1-12/+1
hardware.h inclusion is no longer needed. Update the documentation section related to it and fix a file path. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07gpio: samsung: Remove hardware.h inclusionSachin Kamat1-1/+0
The contents of this header file are not referenced in the driver. Remove its inclusion. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07gpio: xtensa: depend on HAVE_XTENSA_GPIO32Baruch Siach2-0/+7
Prevent build failure when the selected variant does not support GPIO32. Acked-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07gpio: clps711x: Enable driver compilation with COMPILE_TESTAlexander Shiyan1-1/+1
This helps increasing build testing coverage. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07gpio: clps711x: Use of_match_ptr()Alexander Shiyan1-2/+2
There is no reason to keep the OF data if the driver was compiled without DT support. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07net: rfkill: gpio: convert to descriptor-based GPIO interfaceHeikki Krogerus1-43/+34
Convert to the safer gpiod_* family of API functions. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Tested-by: Stephen Warren <swarren@nvidia.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-07leds: s3c24xx: Fix build failureTushar Behera1-0/+1
Commit c67d0f29262b ("ARM: s3c24xx: get rid of custom <mach/gpio.h>") removed the usage of mach/gpio.h file, but we need to include> plat/gpio-cfg.h to avoid following build error. Fixes following build error. drivers/leds/leds-s3c24xx.c: In function ‘s3c24xx_led_probe’: drivers/leds/leds-s3c24xx.c:100:2: error: implicit declaration of function ‘s3c_gpio_setpull’ [-Werror=implicit-function-declaration] Signed-off-by: Tushar Behera <tushar.behera@linaro.org> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-02gpio: tb10x: Remove redundant of_match_ptr helperSachin Kamat1-1/+1
'tb10x_gpio_dt_ids' is always compiled in. Hence the helper macro is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-02gpio: mvebu: Do not hard code error codeSachin Kamat1-1/+1
Return the appropriate error code instead of hardcoding it. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-02gpio: mxc: Do not hard code return valueSachin Kamat1-1/+1
Silences the following warning: why not propagate 'port->irq' from platform_get_irq() instead of (-22)? Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-02gpio: max730x: Remove redundant dev_set_drvdataSachin Kamat1-3/+0
Driver core sets it to NULL upon probe failure or release. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-01-02ARM: S3C24XX: Fix configuration of gpio port sizes on S3C24XX.José Miguel Gonçalves2-8/+8
Some GPIO line limits are incorrectly set which, for instance, does not allow nRTS1 (GPH11) configuration on a S3C2416 chip. Signed-off-by: José Miguel Gonçalves <jose.goncalves@inov.pt> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-23gpio: sch311x: fix compilation errorLinus Walleij1-0/+1
Compilation failed on some platforms due to implicit inclusion of <linux/io.h>, make this dependency explicit. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-20ARM: s3c64xx: get rid of custom <mach/gpio.h>Linus Walleij26-10/+33
This isolates the custom S3C64xx GPIO definition table to <linux/platform_data/gpio-samsung-s3x64xx.h> as this is used in a few different places in the kernel, removing the need to depend on the implicit inclusion of <mach/gpio.h> from <linux/gpio.h> and thus getting rid of a few nasty cross-dependencies. Also delete the CONFIG_SAMSUNG_GPIO_EXTRA stuff. Instead roof the number of GPIOs for this platform: First sum up all the GPIO banks from A to Q: 187 GPIOs. Add the 16 "board GPIOs" and the roof for SAMSUNG_GPIO_EXTRA, 128, so in total maximum 187+16+128 = 331 GPIOs, so let's take the same roof as for S3C24XX: 512. This way we can do away with the GPIO calculation macros for GPIO_BOARD_START, BOARD_NR_GPIOS and the definition of ARCH_NR_GPIOS. Cc: Mark Brown <broonie@kernel.org> [on Mini6410 board] Tested-by: Tomasz Figa <t.figa@samsung.com> [for changes in mach-s3c64xx] Acked-by: Tomasz Figa <t.figa@samsung.com> Tested-by: Mark Brown <broonie@linaro.org> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-20ARM: s3c24xx: get rid of custom <mach/gpio.h>Linus Walleij37-35/+42
This isolates the custom S3C24xx GPIO definition table to <linux/platform_data/gpio-samsung-s3x24xx.h> as this is used in a few different places in the kernel, removing the need to depend on the implicit inclusion of <mach/gpio.h> from <linux/gpio.h> and thus getting rid of a few nasty cross-dependencies. We also delete the nifty CONFIG_S3C24XX_GPIO_EXTRA stuff. The biggest this can ever be for the S3C24XX is CONFIG_S3C24XX_GPIO_EXTRA = 128, and then for CPU_S3C2443 or CPU_S3C2416 32*12 GPIOs are added, so 32*12+128 = 512 is the absolute roof value on this platform. So we set the size of ARCH_NR_GPIO to this and the GPIOs array will fit any S3C24XX platform, as per pattern from other archs. ChangeLog v2->v3: - Move the movement of the S3C64XX gpio.h file out of this patch and into the follow-up patch where it belongs. ChangeLog v1->v2: - Added an #ifdef ARCH_S3C24XX around the header inclusion in drivers/gpio/gpio-samsung.c as we would otherwise have colliding definitions when compiling S3C64XX. - Rename inclusion guard in the header file. Cc: Tomasz Figa <tomasz.figa@gmail.com> Cc: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: linux-samsung-soc@vger.kernel.org Acked-by: Kukjin Kim <kgene.kim@samsung.com> Acked-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-20gpio: sodaville: fix some error return code on error pathWei Yongjun1-2/+6
Fix to return a negative error code from the error handling case instead of 0. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-20gpio: moxart: remove redundant dev_err call in moxart_gpio_probe()Wei Yongjun1-4/+1
There is a error message within devm_ioremap_resource already, so remove the dev_err call to avoid redundant error message. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-20gpio: moxart: add missing .owner to struct gpio_chipWei Yongjun1-0/+1
Add missing .owner of struct gpio_chip. This prevents the module from being removed from underneath its users. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-20gpio: add GPIO support for SMSC SCH311xBruno Randolf3-0/+441
This patch adds support for the GPIOs found on the SMSC "Super I/ SCH311x. The chip detection and I/O functions are copied from sch311x_wdt. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-12gpio / ACPI: return -ENOENT when no mapping existsMika Westerberg1-1/+1
Doing this allows drivers to distinguish between a real error case (if there was an error when we tried to resolve the GPIO) and when the optional GPIO line was not available. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-12gpio: msm: Add module device table and mark table constStephen Boyd1-1/+2
This allows the module to be loaded automatically. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-12gpiolib: return -ENOENT if no GPIO mapping existsAlexandre Courbot2-18/+22
Some devices drivers make use of optional GPIO parameters. For such drivers, it is important to discriminate between the case where no GPIO mapping has been defined for the function they are requesting, and the case where a mapping exists but an error occured while resolving it or when acquiring the GPIO. This patch changes the family of gpiod_get() functions such that they will return -ENOENT if and only if no GPIO mapping is defined for the requested function. Other error codes are used when an actual error occured during the GPIO resolution. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-12gpio: driver for Xtensa GPIO32Baruch Siach3-0/+172
GPIO32 is a standard optional extension to the Xtensa architecture core that provides preconfigured output and input ports for intra SoC signaling. The GPIO32 option is implemented as 32bit Tensilica Instruction Extension (TIE) output state called EXPSTATE, and 32bit input wire called IMPWIRE. This driver treats input and output states as two distinct devices. v3: * Use BUG() in xtensa_impwire_set_value() to indicate that it should never be called (Linus Walleij) v2: * Address the comments of Linus Walleij: - Add a few comments - Expand commit log message - Use the BIT() macro for bit offsets - Rewrite CPENABLE handling as static inlines - Use device_initcall() * Depend on !SMP for reason explained in the comments (Marc Gauthier) * Use XCHAL_CP_ID_XTIOP to enable/disable GPIO32 only Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-12gpio: 74x164: Driver cleanupAlexander Shiyan1-27/+16
- Removed excess "spi" field from private data. - Removed excess check for spi_get_drvdata() in remove(). - Removed unneeded message in remove(). - Simplify error path in probe(). - Fixed warnings by scripts/checkfile.pl. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-12gpio: 74x164: Remove non-DT supportAlexander Shiyan3-25/+4
Commit 20bc4d5d565159eb2b942bf4b7fae86fba94e32c (gpio: 74x164: Add support for the daisy-chaining) introduce check for DT for the driver, so driver cannot be used without DT. There are no in-tree users of this driver, so remove non-DT support completely. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Acked-by: Mark Brown <broonie@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-11gpio: tegra: add missing error handling to probeStephen Warren1-1/+6
The call to gpiochip_add() is not currently error-checked. Add the missing checking. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-11ARM: tegra: add gpiod_lookup table for paz00Heikki Krogerus1-0/+11
This makes it possible to request the gpio descriptors in rfkill_gpio driver regardless of the platform. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-09gpiolib: update inline documentation of gpiod_get_index()Andy Shevchenko1-1/+1
The patch just accents that @dev could be NULL. There is no functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-09gpiolib: convert gpiod_lookup description to kernel-docAndy Shevchenko1-17/+9
The patch moves description of the fields to the top of struct definition and converts them to the kernel-doc format. There is no functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-09gpiolib: introduce chip_* to print with chip->label prefixAndy Shevchenko1-15/+26
In several places we are printing messages with prefix based on chip->label. Introduced macros help us to do this easier and in uniform way. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-09gpiolib: unify pr_* messages formatAndy Shevchenko1-37/+37
This patch includes the following amendments: 1) use "?" as a label when the last one is not defined in gpiod_*; 2) whenever it's possible gpiod_* are used; 3) print a function name, if it's already used in other messages. Additionally it fixes an indentation in few places. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Alexandre Courbot <acourbot@nvidia.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>
2013-12-09gpio: better lookup method for platform GPIOsAlexandre Courbot3-72/+85
Change the format of the platform GPIO lookup tables to make them less confusing and improve lookup efficiency. The previous format was a single linked-list that required to compare the device name and function ID of every single GPIO defined for each lookup. Switch that to a list of per-device tables, so that the lookup can be done in two steps, omitting the GPIOs that are not relevant for a particular device. The matching rules are now defined as follows: - The device name must match *exactly*, and can be NULL for GPIOs not assigned to a particular device, - If the function ID in the lookup table is NULL, the con_id argument of gpiod_get() will not be used for lookup. However, if it is defined, it must match exactly. - The index must always match. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-12-09Merge tag 'v3.13-rc3' into develLinus Walleij587-3142/+7550
Linux 3.13-rc3
2013-12-06Linux 3.13-rc3v3.13-rc3Linus Torvalds1-1/+1
2013-12-06Merge tag 'trace-fixes-3.13-rc2' of ↵Linus Torvalds2-10/+3
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "A regression showed up that there's a large delay when enabling all events. This was prevalent when FTRACE_SELFTEST was enabled which enables all events several times, and caused the system bootup to pause for over a minute. This was tracked down to an addition of a synchronize_sched() performed when system call tracepoints are unregistered. The synchronize_sched() is needed between the unregistering of the system call tracepoint and a deletion of a tracing instance buffer. But placing the synchronize_sched() in the unreg of *every* system call tracepoint is a bit overboard. A single synchronize_sched() before the deletion of the instance is sufficient" * tag 'trace-fixes-3.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Only run synchronize_sched() at instance deletion time
2013-12-06Merge git://git.kvack.org/~bcrl/aio-nextLinus Torvalds1-2/+6
Pull aio fix from Benjamin LaHaise: "AIO fix from Gu Zheng that fixes a GPF that Dave Jones uncovered with trinity" * git://git.kvack.org/~bcrl/aio-next: aio: clean up aio ring in the fail path
2013-12-06Merge tag 'scsi-fixes' of ↵Linus Torvalds31-57/+129
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is a set of nine fixes (and one author update). The libsas one should fix discovery in eSATA devices, the WRITE_SAME one is the largest, but it should fix a lot of problems we've been getting with the emulated RAID devices (they've been effectively lying about support and then firmware has been choking on the commands). The rest are various crash, hang or warn driver fixes" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: [SCSI] bfa: Fix crash when symb name set for offline vport [SCSI] enclosure: fix WARN_ON in dual path device removing [SCSI] pm80xx: Tasklets synchronization fix. [SCSI] pm80xx: Resetting the phy state. [SCSI] pm80xx: Fix for direct attached device. [SCSI] pm80xx: Module author addition [SCSI] hpsa: return 0 from driver probe function on success, not 1 [SCSI] hpsa: do not discard scsi status on aborted commands [SCSI] Disable WRITE SAME for RAID and virtual host adapter drivers [SCSI] libsas: fix usage of ata_tf_to_fis
2013-12-06Merge branch 'for-linus' of ↵Linus Torvalds3-6/+19
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull IMA fixes from James Morris: "Here are two more fixes for IMA" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: ima: properly free ima_template_entry structures ima: Do not free 'entry' before it is initialized
2013-12-06Merge tag 'dt-fixes-for-3.13' of ↵Linus Torvalds12-37/+59
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Various DT binding documentation updates - Add Kumar Gala and remove Stephen Warren as DT binding maintainers * tag 'dt-fixes-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt: binding: reword PowerPC 8xxx GPIO documentation ARM: tegra: delete nvidia,tegra20-spi.txt binding hwmon: ntc_thermistor: Fix typo (pullup-uV -> pullup-uv) of: add vendor prefix for GMT clk: exynos: Fix typos in DT bindings documentation of: Add vendor prefix for LG Corporation Documentation: net: fsl-fec.txt: Add phy-supply entry ARM: dts: doc: Document missing binding for omap5-mpu dt-bindings: add ARMv8 PMU binding MAINTAINERS: remove swarren from DT bindings MAINTAINERS: Add Kumar to Device Tree Binding maintainers group
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