diff options
| author | Daniel Drake <dsd@laptop.org> | 2012-05-19 00:59:41 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2012-05-29 23:20:23 +0400 |
| commit | b2201e5482bc2376ea5c049442850a260142ac40 (patch) | |
| tree | 3c4d45d1319b601b8d0f9ffdf299e8947a85206f /drivers/rtc | |
| parent | c10d7a13846bffa5c77f1122500b687ab902e2d2 (diff) | |
| download | linux-b2201e5482bc2376ea5c049442850a260142ac40.tar.xz | |
rtc-cmos / PM: report wakeup event on ACPI RTC alarm
When the ACPI-driven RTC alarm wakes the system, report it as a wakeup
event. This allows userspace to determine that the reason for system
wakeup was RTC alarm.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-cmos.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 7d5f56edb8ef..4267789ca995 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -910,14 +910,17 @@ static inline int cmos_poweroff(struct device *dev) static u32 rtc_handler(void *context) { + struct device *dev = context; + + pm_wakeup_event(dev, 0); acpi_clear_event(ACPI_EVENT_RTC); acpi_disable_event(ACPI_EVENT_RTC, 0); return ACPI_INTERRUPT_HANDLED; } -static inline void rtc_wake_setup(void) +static inline void rtc_wake_setup(struct device *dev) { - acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); + acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, dev); /* * After the RTC handler is installed, the Fixed_RTC event should * be disabled. Only when the RTC alarm is set will it be enabled. @@ -950,7 +953,7 @@ cmos_wake_setup(struct device *dev) if (acpi_disabled) return; - rtc_wake_setup(); + rtc_wake_setup(dev); acpi_rtc_info.wake_on = rtc_wake_on; acpi_rtc_info.wake_off = rtc_wake_off; |