diff options
| author | Zhao Yakui <yakui.zhao@intel.com> | 2008-05-14 11:32:59 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-06-11 19:13:45 -0400 |
| commit | e1094bfa26e5e94af2fea79e004614dbce42b008 (patch) | |
| tree | b9a610ca0a45b5bf7d3cbc73e6923225b16d7436 /drivers/acpi/sleep/proc.c | |
| parent | 28ffb5d3e0b563be5a9639c3a2b42f1a9430454f (diff) | |
| download | lwn-e1094bfa26e5e94af2fea79e004614dbce42b008.tar.gz lwn-e1094bfa26e5e94af2fea79e004614dbce42b008.zip | |
ACPI: Disable Fixed_RTC event when installing RTC handler
The Fixed_RTC event should be disabled when installing RTC handler.
Only when RTC alarm is set will it be enabled again. If it is not
disabled, maybe some machines will be powered on automatically after
the system is shutdown even when the RTC alarm is not set.
http://bugzilla.kernel.org/show_bug.cgi?id=10010
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/sleep/proc.c')
| -rw-r--r-- | drivers/acpi/sleep/proc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c index 8a5fe8710513..224c57c03381 100644 --- a/drivers/acpi/sleep/proc.c +++ b/drivers/acpi/sleep/proc.c @@ -495,6 +495,12 @@ static int __init acpi_sleep_proc_init(void) acpi_root_dir, &acpi_system_alarm_fops); acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL); + /* + * Disable the RTC event after installing RTC handler. + * Only when RTC alarm is set will it be enabled. + */ + acpi_clear_event(ACPI_EVENT_RTC); + acpi_disable_event(ACPI_EVENT_RTC, 0); #endif /* HAVE_ACPI_LEGACY_ALARM */ /* 'wakeup device' [R/W] */ |