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e935457630
linux/drivers/gpio
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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
..
devres.c GPIO driver changes for v3.5 merge window 2012-05-24 14:01:46 -07:00
gpio-74x164.c drivers/gpio: Fix drivers who are implicit users of module.h 2011-10-31 19:31:47 -04:00
gpio-ab8500.c gpio: ab8500: fix MODULE_ALIAS for ab8500 2011-07-28 16:19:23 -06:00
gpio-adp5520.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-adp5588.c gpio: Fix uninitialized variable bit in adp5588_irq_handler 2012-04-10 14:20:55 -06:00
gpio-amd8111.c gpio: add a driver for GPIO pins found on AMD-8111 south bridge chips 2012-07-12 13:40:13 +02:00
gpio-arizona.c gpiolib: Add support for Wolfson Microelectronics Arizona class devices 2012-07-17 20:59:53 +02:00
gpio-bt8xx.c gpio: Convert drivers to use module_pci_driver() 2012-04-07 14:30:35 -06:00
gpio-cs5535.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-da9052.c Changes queued in gpio/next for the start of the 3.3 merge window 2012-01-07 12:15:36 -08:00
gpio-davinci.c gpio/davinci: fix enabling unbanked GPIO IRQs 2012-03-12 11:53:33 -06:00
gpio-em.c gpio: Emma Mobile GPIO driver V2 2012-05-18 00:00:45 +02:00
gpio-ep93xx.c gpio/generic: initialize basic_mmio_gpio shadow variables properly 2012-05-19 12:17:35 -06:00
gpio-ge.c powerpc/85xx: Board support for GE IMP3A 2012-03-16 11:15:48 -05:00
gpio-generic.c gpio/generic: initialize basic_mmio_gpio shadow variables properly 2012-05-19 12:17:35 -06:00
gpio-ich.c gpio: Add support for Intel ICHx/3100/Series[56] GPIO 2012-05-01 12:00:21 +02:00
gpio-it8761e.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-janz-ttl.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-ks8695.c ARM: 7036/1: mach-ks8695: break out GPIO driver specifics 2011-08-22 09:12:54 +01:00
gpio-langwell.c gpio/langwell: re-read the IRQ status register after each iteration 2012-05-10 16:35:28 -06:00
gpio-lpc32xx.c gpio: gpio-lpc32xx: Add gpio_to_irq mapping 2012-07-12 13:40:17 +02:00
gpio-max730x.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-max732x.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-max7300.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-max7301.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-mc9s08dz60.c ARM/mx35/3ds: gpio: add mc9s08dz60 gpio function 2012-01-30 07:49:08 -07:00
gpio-mc33880.c drivers/gpio: Fix drivers who are implicit users of module.h 2011-10-31 19:31:47 -04:00
gpio-mcp23s08.c gpio-mcp23s08: dbg_show: fix pullup configuration display 2012-05-18 16:48:35 -06:00
gpio-ml-ioh.c gpio: Convert drivers to use module_pci_driver() 2012-04-07 14:30:35 -06:00
gpio-mm-lantiq.c GPIO: MIPS: lantiq: convert gpio-mm-lantiq to OF and of_mm_gpio 2012-05-21 14:31:53 +01:00
gpio-mpc8xxx.c gpio: mpc8xxx: Prevent NULL pointer deref in demux handler 2012-05-18 16:48:36 -06:00
gpio-mpc5200.c drivers/gpio: Fix drivers who are implicit users of module.h 2011-10-31 19:31:47 -04:00
gpio-msic.c gpio: add MSIC gpio driver 2012-05-11 13:14:54 -06:00
gpio-msm-v1.c gpio_msm: Move Qualcomm v6 MSM driver into drivers 2011-08-01 04:58:00 -07:00
gpio-msm-v2.c gpio_msm: Move Qualcomm MSM v2 gpio driver into drivers 2011-08-01 04:58:00 -07:00
gpio-mxc.c gpio/mxc: use the edge_sel feature if available 2012-07-17 21:00:16 +02:00
gpio-mxs.c arm-soc: device tree conversions, part 2 2012-05-26 12:57:47 -07:00
gpio-omap.c gpio/omap: move bank->dbck initialization to omap_gpio_mod_init() 2012-07-17 21:00:17 +02:00
gpio-pca953x.c gpio/pca953x: increase variables size to support 24 bit of data 2012-07-17 21:00:18 +02:00
gpio-pcf857x.c gpio: pcf857x: share 8/16 bit access functions 2012-07-12 13:40:17 +02:00
gpio-pch.c GPIO driver changes for v3.5 merge window 2012-05-24 14:01:46 -07:00
gpio-pl061.c gpio/gpio-pl061: No need of thaw and poweroff routines for hibernate 2012-02-16 06:37:51 -07:00
gpio-pxa.c gpio: pxa: parse gpio from DTS file 2012-05-05 16:36:47 +08:00
gpio-rc5t583.c gpio/rc5t583: add gpio driver for RICOH PMIC RC5T583 2012-05-18 22:59:28 -06:00
gpio-rdc321x.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-sa1100.c ARM: 7342/2: sa1100: prepare for sparse irq conversion 2012-03-25 23:57:20 +01:00
gpio-samsung.c gpio: samsung: add flags specifier to device-tree binding 2012-07-17 21:00:15 +02:00
gpio-sch.c gpio: Add Intel Centerton support to gpio-sch 2012-05-22 23:39:14 +02:00
gpio-sodaville.c gpio/generic: initialize basic_mmio_gpio shadow variables properly 2012-05-19 12:17:35 -06:00
gpio-sta2x11.c gpio: Add STA2X11 GPIO block 2012-05-09 15:38:39 +02:00
gpio-stmpe.c GPIO changes for v3.4 2012-03-28 14:08:46 -07:00
gpio-stp-xway.c GPIO: MIPS: lantiq: convert gpio-stp-xway to OF 2012-05-21 14:31:53 +01:00
gpio-sx150x.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-tc3589x.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-tegra.c gpio: tegra: Hide tegra_gpio_enable/disable() 2012-04-18 10:26:38 -06:00
gpio-timberdale.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-tnetv107x.c ARM: 7039/1: mach-davinci: move DaVinci TNET GPIO driver to GPIO subsystem 2011-08-22 09:12:55 +01:00
gpio-tps65910.c gpio: tps65910: dt: process gpio specific device node info 2012-05-22 23:50:13 +02:00
gpio-tps65912.c tps65912: gpio: add gpio driver 2011-07-31 23:28:22 +02:00
gpio-twl4030.c gpio/twl: Add DT support to gpio-twl4030 driver 2012-03-22 13:05:55 +01:00
gpio-ucb1400.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-vr41xx.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-vx855.c gpio: Convert GPIO drivers to module_platform_driver 2012-01-02 00:26:06 -07:00
gpio-wm831x.c mfd: Convert wm831x to irq_domain 2012-05-20 17:27:07 +02:00
gpio-wm8350.c gpio: reorganize drivers 2011-06-06 10:10:11 -06:00
gpio-wm8994.c gpiolib: wm8994: Convert to devm_kzalloc() 2012-07-12 13:40:14 +02:00
gpio-xilinx.c gpiolib: output basic details and consolidate gpio device drivers 2011-12-12 13:40:16 -07:00
gpiolib-of.c gpio: propagate of_parse_phandle_with_args errors 2012-07-17 21:00:15 +02:00
gpiolib.c gpiolib: Defer failed gpio requests by default 2012-07-17 21:00:20 +02:00
Kconfig gpiolib: Add support for Wolfson Microelectronics Arizona class devices 2012-07-17 20:59:53 +02:00
Makefile gpiolib: Add support for Wolfson Microelectronics Arizona class devices 2012-07-17 20:59:53 +02:00