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authorGrant Likely <grant.likely@secretlab.ca>2011-05-20 00:43:00 -0600
committerGrant Likely <grant.likely@secretlab.ca>2011-05-20 00:43:00 -0600
commit78fab4c04c76b8c9327541bd270f82b85b42bbf7 (patch)
treeb43006348a1ac15c28e6791d08646809761a2a4a /drivers/rtc/interface.c
parent3b8a4dd3ebfcc647260ad5c39ef4f73eb3a6b155 (diff)
parent61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf (diff)
downloadop-kernel-dev-78fab4c04c76b8c9327541bd270f82b85b42bbf7.zip
op-kernel-dev-78fab4c04c76b8c9327541bd270f82b85b42bbf7.tar.gz
Merge commit 'v2.6.39' into spi/next
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 8ec6b06..ef6316a 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.
*/
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