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authorIngo Molnar <mingo@elte.hu>2011-05-07 10:51:38 +0200
committerIngo Molnar <mingo@elte.hu>2011-05-07 10:51:48 +0200
commit4cb1f43ce8c72ee453c00fcb9f6ee9c4ebd03f98 (patch)
tree15e64f192b54ea01fd640d69eed0cabed2baaaa9 /drivers/rtc/interface.c
parent9de4966a4d218f29c68e96e8e7b4d2840dedec79 (diff)
parent0ee5623f9a6e52df90a78bd21179f8ab370e102e (diff)
Merge commit 'v2.6.39-rc6' into x86/cleanups
Merge reason: move to a (much) newer upstream base. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/rtc/interface.c')
-rw-r--r--drivers/rtc/interface.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 8ec6b069a7f5..ef6316acec43 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -375,6 +375,32 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
}
EXPORT_SYMBOL_GPL(rtc_set_alarm);
+/* Called once per device from rtc_device_register */
+int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
+{
+ int err;
+
+ err = rtc_valid_tm(&alarm->time);
+ if (err != 0)
+ return err;
+
+ err = mutex_lock_interruptible(&rtc->ops_lock);
+ if (err)
+ return err;
+
+ rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time);
+ rtc->aie_timer.period = ktime_set(0, 0);
+ if (alarm->enabled) {
+ rtc->aie_timer.enabled = 1;
+ timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
+ }
+ mutex_unlock(&rtc->ops_lock);
+ return err;
+}
+EXPORT_SYMBOL_GPL(rtc_initialize_alarm);
+
+
+
int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled)
{
int err = mutex_lock_interruptible(&rtc->ops_lock);
@@ -454,7 +480,7 @@ EXPORT_SYMBOL_GPL(rtc_update_irq_enable);
* @rtc: pointer to the rtc device
*
* This function is called when an AIE, UIE or PIE mode interrupt
- * has occured (or been emulated).
+ * has occurred (or been emulated).
*
* Triggers the registered irq_task function callback.
*/