AuxXxilium/linux_dsm_epyc7002
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3afa129a9d
linux_dsm_epyc7002/drivers/gpio
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Gregory Fong 3afa129a9d gpio: brcmstb: support wakeup from S5 cold boot 
For wake from S5, we need to:
- register a reboot handler
- set wakeup capability before requesting IRQ so wakeup count is
  incremented
- mask all GPIO IRQs and clear any pending interrupts during driver
  probe to since no driver will yet be registered to handle any IRQs
  carried over from boot at that time, and it's possible that the
  booted kernel does not request the same IRQ anyway.

This means that /sys/.../power/wakeup_count is valid at boot time, and
we can properly account for S5 wakeup stats. e.g.:

  ### After waking from S5 from a GPIO key
  # cat /sys/bus/platform/drivers/brcmstb-gpio/f04172c0.gpio/power/wakeup
  enabled
  # cat /sys/bus/platform/drivers/brcmstb-gpio/f04172c0.gpio/power/wakeup_count
  1

Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-08-13 13:13:41 +02:00
..
devres.c gpio: make flags mandatory for gpiod_get functions 2015-07-06 10:39:24 +02:00
gpio-74x164.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-74xx-mmio.c gpio: 74xx: Fix build warning about void to integer cast 2015-07-16 13:59:47 +02:00
gpio-adnp.c gpio: adnp: switch to use irqchip helpers 2014-09-02 10:44:01 +02:00
gpio-adp5520.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-adp5588.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-altera.c gpio: altera: use of_mm_gpiochip_remove() to fix memory leak 2015-07-16 00:11:03 +02:00
gpio-amd8111.c gpio-amd8111: add release_region on ioport_map failure 2015-01-19 09:48:45 +01:00
gpio-arizona.c This is the bulk of GPIO changes for the v4.1 development 2015-04-18 08:22:10 -04:00
gpio-bcm-kona.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-brcmstb.c gpio: brcmstb: support wakeup from S5 cold boot 2015-08-13 13:13:41 +02:00
gpio-bt8xx.c gpio: bt8xx: fix release of managed resources 2014-08-29 14:31:43 +02:00
gpio-clps711x.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-crystalcove.c gpio: Fix checkpatch.pl issues 2015-06-16 11:00:06 +02:00
gpio-cs5535.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
gpio-da9052.c gpio: use (!foo) instead of (foo == NULL) 2015-04-08 09:54:21 +02:00
gpio-da9055.c gpio: use (!foo) instead of (foo == NULL) 2015-04-08 09:54:21 +02:00
gpio-davinci.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-dln2.c gpio: dln2: fix build breakage 2015-05-13 10:02:12 +02:00
gpio-dwapb.c gpio: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc 2015-07-14 12:12:20 +02:00
gpio-em.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-ep93xx.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-etraxfs.c gpio: etraxfs: add interrupt support 2015-08-03 10:57:04 +02:00
gpio-f7188x.c gpio: Fix checkpatch.pl issues 2015-06-16 11:00:06 +02:00
gpio-ge.c gpio: ge: Convert to use devm_kstrdup 2015-01-29 10:33:15 +01:00
gpio-generic.c gpio: generic: support input-only chips 2015-07-27 15:01:05 +02:00
gpio-grgpio.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-ich.c gpio: ich: Implement get_direction function 2015-04-08 09:54:27 +02:00
gpio-intel-mid.c gpio: intel-mid: switch to using gpiolib irqchip helpers 2014-06-19 09:31:16 +02:00
gpio-iop.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-it8761e.c gpio: Fix checkpatch.pl issues 2015-06-16 11:00:06 +02:00
gpio-janz-ttl.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-kempld.c gpio: gpio-kempld: Fix get_direction return value 2015-05-12 13:49:13 +02:00
gpio-ks8695.c gpio: ks8695: fix 'else should follow close brace '}'' 2014-10-02 16:07:00 +02:00
gpio-loongson.c gpio: loongson: Add Loongson-3A/3B GPIO driver support 2015-04-08 09:53:42 +02:00
gpio-lp3943.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-lpc18xx.c gpio: add lpc18xx gpio driver 2015-05-05 17:50:07 +02:00
gpio-lpc32xx.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-lynxpoint.c Drivers: gpio: Fix spelling errors 2015-05-19 16:52:30 +02:00
gpio-max730x.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-max732x.c gpio: max732x: Fix irq-events handler 2015-05-06 15:08:54 +02:00
gpio-max7300.c gpio: max7300: remove 'ret' variable 2015-04-08 09:54:10 +02:00
gpio-max7301.c gpio: max7301: Reverting "Do not force SPI speed when using OF Platform" 2013-08-23 19:44:28 +02:00
gpio-mb86s7x.c gpio: mb86s70: Return error if requesting an already assigned gpio 2015-03-02 15:35:41 +01:00
gpio-mc9s08dz60.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-mc33880.c gpio: use (!foo) instead of (foo == NULL) 2015-04-08 09:54:21 +02:00
gpio-mcp23s08.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-ml-ioh.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-mm-lantiq.c gpio: gpio-mm-lantiq: Use of_mm_gpiochip_remove 2015-01-20 11:18:51 +01:00
gpio-moxart.c gpio: moxart: get value of output gpio from generic driver 2015-05-11 11:51:29 +02:00
gpio-mpc8xxx.c gpio: mpc8xxx: Convert mpc8xxx_gpio_chip.lock to raw_spinlock 2015-07-28 14:40:11 +02:00
gpio-mpc5200.c gpio: mpc5200: Use of_mm_gpiochip_remove 2015-01-20 11:18:28 +01:00
gpio-msic.c gpio/msic: Fix race in installing chained IRQ handler 2015-06-25 11:56:50 +02:00
gpio-msm-v2.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-mvebu.c gpio/mvebu: Prepare mvebu_gpio_irq_handler for irq argument removal 2015-07-14 12:12:20 +02:00
gpio-mxc.c gpio: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc 2015-07-14 12:12:20 +02:00
gpio-mxs.c gpio: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc 2015-07-14 12:12:20 +02:00
gpio-octeon.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-omap.c gpio: omap: use raw locks for locking 2015-07-27 14:49:00 +02:00
gpio-palmas.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-pca953x.c gpio: Prevent an integer overflow in the pca953x driver 2015-06-01 16:53:55 +02:00
gpio-pcf857x.c gpio: pcf857x: get rid of slock spinlock 2015-07-16 10:44:57 +02:00
gpio-pch.c gpio/pch: Use irq_set_handler_locked() 2015-07-14 12:12:20 +02:00
gpio-pl061.c gpio: pl061: hook request if gpio-ranges avaiable 2014-12-03 14:44:23 +01:00
gpio-pxa.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-rc5t583.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-rcar.c gpio: rcar: Add r8a7795 (R-Car H3) support 2015-07-27 14:51:40 +02:00
gpio-rdc321x.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-sa1100.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-samsung.c gpio: samsung: Remove remaining check for CONFIG_S5P_GPIO_DRVSTR 2014-09-23 17:51:39 +02:00
gpio-sch311x.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-sch.c Revert "gpio: sch: use uapi/linux/pci_ids.h directly" 2015-04-10 11:35:45 +02:00
gpio-sodaville.c gpio: Constify irq_domain_ops 2015-05-06 15:33:48 +02:00
gpio-spear-spics.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
gpio-sta2x11.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-stmpe.c gpio: stmpe: enforce device tree only mode 2015-01-20 11:03:22 +01:00
gpio-stp-xway.c gpio: stp-xway: Use the of_property_read_u32 helper 2015-06-02 11:22:02 +02:00
gpio-sx150x.c gpio: sx150x: fixup OF support 2015-01-22 09:45:24 +01:00
gpio-syscon.c gpio: syscon: reduce message level when direction reg offset not in dt 2015-03-27 11:17:08 +01:00
gpio-tb10x.c gpio: tb10x: Drop unneeded free_irq() call 2015-06-02 11:25:42 +02:00
gpio-tc3589x.c mfd: tc3589x: Enforce device-tree only mode 2015-03-26 14:20:17 +00:00
gpio-tegra.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-timberdale.c gpio: kill off set_irq_flags usage 2015-07-28 09:45:39 +02:00
gpio-tps6586x.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-tps65910.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-tps65912.c gpio: tps65912: fix wrong container_of arguments 2015-02-23 15:40:32 +01:00
gpio-ts5500.c gpio: Constify platform_device_id 2015-05-12 09:41:28 +02:00
gpio-twl4030.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-twl6040.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-tz1090-pdc.c gpio: tz1090-pdc: Use resource_size to fix off-by-one resource size calculation 2015-01-29 10:34:13 +01:00
gpio-tz1090.c gpio/tz1090: Consolidate chained IRQ handler install/remove 2015-07-14 12:12:19 +02:00
gpio-ucb1400.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-vf610.c gpio: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc 2015-07-14 12:12:20 +02:00
gpio-viperboard.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-vr41xx.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
gpio-vx855.c gpio: vx855: Switch to use managed resources APIs 2015-01-15 17:23:18 +01:00
gpio-wm831x.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-wm8350.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-wm8994.c gpio: remove all usage of gpio_remove retval in driver/gpio 2014-07-22 16:39:26 +02:00
gpio-xgene-sb.c gpio: xgene: add ACPI support for APM X-Gene GPIO standby driver 2015-06-02 14:52:00 +02:00
gpio-xgene.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-xilinx.c gpio: xilinx: Fix kernel-doc warnings 2015-05-12 09:56:26 +02:00
gpio-xlp.c gpio: xlp: Add missing .owner and .label settings for gpio_chip 2015-05-12 13:23:24 +02:00
gpio-xtensa.c gpio: drop owner assignment from platform_drivers 2014-10-20 16:20:31 +02:00
gpio-zevio.c gpio: zevio: Use of_mm_gpiochip_remove 2015-01-20 11:18:56 +01:00
gpio-zx.c gpio: zx: Add ZTE zx296702 GPIO support 2015-07-16 10:14:45 +02:00
gpio-zynq.c Merge branch 'queue/irq/gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into devel 2015-07-17 14:45:31 +02:00
gpiolib-acpi.c gpio / ACPI: Return -EPROBE_DEFER if the gpiochip was not found 2015-06-11 10:17:32 +02:00
gpiolib-legacy.c gpio: fix deferred probe detection for legacy API 2014-12-02 15:46:36 +01:00
gpiolib-of.c gpio: defer probe if pinctrl cannot be found 2015-07-28 13:55:36 +02:00
gpiolib-sysfs.c gpio: sysfs: move irq trigger flags to class-device data 2015-05-12 10:47:57 +02:00
gpiolib.c gpio: don't override irq_*_resources() callbacks 2015-08-03 10:52:02 +02:00
gpiolib.h gpio: sysfs: move irq trigger flags to class-device data 2015-05-12 10:47:57 +02:00
Kconfig gpio: brcmstb: Add interrupt and wakeup source support 2015-08-13 13:13:26 +02:00
Makefile gpio: zx: Add ZTE zx296702 GPIO support 2015-07-16 10:14:45 +02:00