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linux/drivers/rtc
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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
..
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
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 rtc/hctosys: only claim the RTC provided the system time if it did 2010-03-12 15:52:28 -08:00
interface.c RTC: Avoid races between RTC alarm wakeup and suspend. 2012-08-08 20:49:16 +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 drivers/rtc/rtc-ab3100.c: add missing platform_set_drvdata() in ab3100_rtc_probe() 2010-09-22 17:22:39 -07:00
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 include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
rtc-ds1286.c rtc: convert drivers/rtc/* to use module_platform_driver() 2012-01-10 16:30:53 -08:00
rtc-ds1302.c sh: mach-snapgear: Kill off machtype, consolidate board def. 2010-10-29 19:06:53 +09:00
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: msm6242: Initialize drvdata before registering device 2011-05-06 18:02:03 -07:00
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: pcap: Initialize drvdata before registering device 2011-05-06 18:02:04 -07:00
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: Include information about UIE and PIE in RTC driver proc. 2011-03-09 11:25:04 -08:00
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: rp5c01: Initialize drvdata before registering device 2011-05-06 18:02:05 -07:00
rtc-rs5c313.c rtc: rtc-rs5c313: ctrl_in/outX to __raw_read/writeX conversion. 2010-10-27 15:30:32 +09:00
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/hctosys: only claim the RTC provided the system time if it did 2010-03-12 15:52:28 -08:00
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: Fix the cross interrupt issue on rtc-test. 2011-03-09 11:25:07 -08:00
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