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Diffstat (limited to 'drivers/acpi/glue.c')
-rw-r--r--drivers/acpi/glue.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 06f8634fe58..0f2dd81736b 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -166,6 +166,8 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle)
"firmware_node");
ret = sysfs_create_link(&acpi_dev->dev.kobj, &dev->kobj,
"physical_node");
+ if (acpi_dev->wakeup.flags.valid)
+ device_set_wakeup_capable(dev, true);
}
return 0;
@@ -272,6 +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)
@@ -327,6 +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;