NeilBrown
7523ceed42
RTC: Avoid races between RTC alarm wakeup and suspend.
...
If an RTC alarm fires just as suspend is happening, it is possible for
suspend to complete and the alarm to be missed.
To avoid the race, we must register the event with the PM core.
As the event is made visible to userspace through a thread which is
only scheduled by the interrupt, we need a pm_stay_awake/pm_relax
pair preventing suspend from the interrupt until the thread completes
its work.
This makes the pm_wakeup_event() call in cmos_interrupt unnecessary as
it provides suspend protection for all RTCs that use rtc_update_irq.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-08-08 20:49:16 +02:00
..
class.c
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2011-12-05 16:53:43 -08:00
hctosys.c
interface.c
RTC: Avoid races between RTC alarm wakeup and suspend.
2012-08-08 20:49:16 +02:00
Kconfig
Merge branch 'akpm' (Andrew's patch-bomb)
2012-07-30 17:25:34 -07:00
Makefile
rtc: Add rtc support to 88PM80X PMIC
2012-07-09 15:17:43 +02:00
rtc-88pm80x.c
rtc/rtc-88pm80x: remove unneed devm_kfree
2012-07-31 18:42:50 -07:00
rtc-88pm860x.c
Merge branch 'akpm' (Andrew's patch-bomb)
2012-04-05 15:30:34 -07:00
rtc-ab3100.c
rtc-ab8500.c
drivers/rtc/rtc-ab8500.c: remove fix for AB8500 ED version
2012-07-30 17:25:18 -07:00
rtc-at32ap700x.c
treewide: Convert uses of struct resource to resource_size(ptr)
2011-06-10 14:55:36 +02:00
rtc-at91rm9200.c
ARM: at91: fix new build errors
2012-07-04 13:56:48 +02:00
rtc-at91sam9.c
ARM: device tree work
2012-03-27 16:47:35 -07:00
rtc-au1xxx.c
rtc-bfin.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-bq32k.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-bq4802.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-cmos.c
RTC: Avoid races between RTC alarm wakeup and suspend.
2012-08-08 20:49:16 +02:00
rtc-coh901331.c
drivers/rtc/rtc-coh901331.c: use devm allocation
2012-07-30 17:25:17 -07:00
rtc-core.h
rtc-da9052.c
rtc/rtc-da9052: remove unneed devm_kfree call
2012-07-30 17:25:18 -07:00
rtc-davinci.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-dev.c
rtc: Fix ioctl error path return
2011-06-01 19:29:39 -07:00
rtc-dm355evm.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-ds1216.c
rtc-ds1286.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-ds1302.c
rtc-ds1305.c
rtc: convert rtc spi drivers to module_spi_driver
2012-03-23 16:58:39 -07:00
rtc-ds1307.c
rtc: ds1307: add trickle charger support
2012-05-29 16:22:33 -07:00
rtc-ds1374.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-ds1390.c
rtc: convert rtc spi drivers to module_spi_driver
2012-03-23 16:58:39 -07:00
rtc-ds1511.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-ds1553.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-ds1672.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-ds1742.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-ds3232.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-ds3234.c
rtc: convert rtc spi drivers to module_spi_driver
2012-03-23 16:58:39 -07:00
rtc-efi.c
drivers/rtc/rtc-efi.c: fix section mismatch warning
2012-04-12 13:12:12 -07:00
rtc-em3027.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-ep93xx.c
drivers/rtc/rtc-ep93xx.c: convert to use module_platform_driver()
2012-05-29 16:22:33 -07:00
rtc-fm3130.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-generic.c
rtc-imxdi.c
rtc: imx dryice: Add missing clk_prepare
2012-04-25 17:03:44 +02:00
rtc-isl1208.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-isl12022.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-jz4740.c
drivers/rtc/rtc-jz4740.c: make jz4740_rtc_driver static
2012-01-10 16:30:53 -08:00
rtc-lib.c
rtc: Initialized rtc_time->tm_isdst
2011-08-26 17:26:35 -07:00
rtc-lpc32xx.c
drivers/rtc/rtc-lpc32xx.c: add device tree support
2012-05-29 16:22:34 -07:00
rtc-ls1x.c
MIPS: add RTC support for loongson1B
2012-03-23 16:58:39 -07:00
rtc-m41t80.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-m41t93.c
drivers/rtc/rtc-m41t93.c: don't let get_time() reset M41T93_FLAG_OF
2012-05-29 16:22:33 -07:00
rtc-m41t94.c
rtc: convert rtc spi drivers to module_spi_driver
2012-03-23 16:58:39 -07:00
rtc-m48t35.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-m48t59.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-m48t86.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-max6900.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-max6902.c
rtc: convert rtc spi drivers to module_spi_driver
2012-03-23 16:58:39 -07:00
rtc-max8925.c
mfd: Transfer rtc max8925 irq from MFD defined resources
2012-07-09 00:16:10 +02:00
rtc-max8998.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-mc13xxx.c
rtc/mc13xxx: add support for the rtc in the mc34708 pmic
2012-07-30 17:25:18 -07:00
rtc-mpc5121.c
rtc: Fix possible null pointer dereference in rtc-mpc5121.c
2012-04-26 11:17:01 +02:00
rtc-mrst.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-msm6242.c
rtc-mv.c
ARM: Kirkwood: Replace mrvl with marvell
2012-07-25 17:06:23 +02:00
rtc-mxc.c
drivers/rtc/rtc-mxc.c: fix irq enabled interrupts warning
2012-07-11 16:04:46 -07:00
rtc-nuc900.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-omap.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-pcap.c
rtc-pcf2123.c
rtc: convert rtc spi drivers to module_spi_driver
2012-03-23 16:58:39 -07:00
rtc-pcf8563.c
drivers/rtc/rtc-pcf8563.c: add device tree support
2012-07-30 17:25:19 -07:00
rtc-pcf8583.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-pcf50633.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-pl030.c
Merge branch 'amba' of git://git.linaro.org/people/rmk/linux-arm
2012-03-23 17:36:29 -07:00
rtc-pl031.c
rtc: pl031: fix up IRQ flags
2012-07-30 17:25:18 -07:00
rtc-pm8xxx.c
drivers/rtc/rtc-pm8xxx.c: make pm8xxx_rtc_pm_ops static
2012-03-23 16:58:39 -07:00
rtc-proc.c
rtc-ps3.c
rtc-puv3.c
rtc-puv3: solve section mismatch in rtc-puv3.c
2012-01-10 10:29:42 +08:00
rtc-pxa.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-r9701.c
drivers/rtc/rtc-r9701.c: check that r9701_set_datetime() succeeded
2012-07-30 17:25:18 -07:00
rtc-rp5c01.c
rtc-rs5c313.c
rtc-rs5c348.c
rtc: convert rtc spi drivers to module_spi_driver
2012-03-23 16:58:39 -07:00
rtc-rs5c372.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-rv3029c2.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-rx8025.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-rx8581.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-s3c.c
drivers/rtc/rtc-s3c.c: replace #include header files from asm/* to linux/*
2012-07-30 17:25:18 -07:00
rtc-s35390a.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00
rtc-sa1100.c
ARM: cleanups of io includes
2012-03-29 18:02:10 -07:00
rtc-sh.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-spear.c
drivers/rtc/rtc-spear.c: fix use-after-free in spear_rtc_remove()
2012-07-11 16:04:41 -07:00
rtc-starfire.c
rtc-stk17ta8.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-stmp3xxx.c
rtc: stmp3xxx: Add simple binding for the stmp3xxx-rtc
2012-07-03 13:22:36 +08:00
rtc-sun4v.c
rtc-sysfs.c
rtc-tegra.c
drivers/rtc/rtc-tegra.c: clean up probe/remove routines
2012-05-29 16:22:34 -07:00
rtc-test.c
rtc-tile.c
tile: add an RTC driver for the Tilera hypervisor
2011-05-17 14:44:36 -04:00
rtc-twl.c
drivers/rtc/rtc-twl.c: fix threaded IRQ to use IRQF_ONESHOT
2012-07-11 16:04:48 -07:00
rtc-tx4939.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-v3020.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-vr41xx.c
drivers/rtc: remove IRQF_DISABLED
2012-03-23 16:58:39 -07:00
rtc-vt8500.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-wm831x.c
rtc: wm831x: Feed the write counter into device_add_randomness()
2012-07-19 10:38:31 -04:00
rtc-wm8350.c
rtc: convert drivers/rtc/* to use module_platform_driver()
2012-01-10 16:30:53 -08:00
rtc-x1205.c
rtc: convert rtc i2c drivers to module_i2c_driver
2012-03-23 16:58:39 -07:00