diff options
Diffstat (limited to 'drivers/acpi/glue.c')
| -rw-r--r-- | drivers/acpi/glue.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 87c5d456e180..0f2dd81736bd 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -274,6 +274,12 @@ static u32 rtc_handler(void *context) static inline void rtc_wake_setup(void) { acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); + /* + * After the RTC handler is installed, the Fixed_RTC event should + * be disabled. Only when the RTC alarm is set will it be enabled. + */ + acpi_clear_event(ACPI_EVENT_RTC); + acpi_disable_event(ACPI_EVENT_RTC, 0); } static void rtc_wake_on(struct device *dev) @@ -329,6 +335,12 @@ static int __init acpi_rtc_init(void) { struct device *dev = get_rtc_dev(); + if (acpi_disabled) + return 0; + + if (acpi_disabled) + return 0; + if (dev) { rtc_wake_setup(); rtc_info.wake_on = rtc_wake_on; |