diff options
Diffstat (limited to 'drivers/rtc/interface.c')
| -rw-r--r-- | drivers/rtc/interface.c | 50 |
1 files changed, 40 insertions, 10 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 8e286259a00..3bcc7cfcaba 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -73,6 +73,8 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) err = -EINVAL; mutex_unlock(&rtc->ops_lock); + /* A timer might have just expired */ + schedule_work(&rtc->irqwork); return err; } EXPORT_SYMBOL_GPL(rtc_set_time); @@ -112,6 +114,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs) err = -EINVAL; mutex_unlock(&rtc->ops_lock); + /* A timer might have just expired */ + schedule_work(&rtc->irqwork); return err; } @@ -319,6 +323,20 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) } EXPORT_SYMBOL_GPL(rtc_read_alarm); +static int ___rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) +{ + int err; + + if (!rtc->ops) + err = -ENODEV; + else if (!rtc->ops->set_alarm) + err = -EINVAL; + else + err = rtc->ops->set_alarm(rtc->dev.parent, alarm); + + return err; +} + static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) { struct rtc_time tm; @@ -342,14 +360,7 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) * over right here, before we set the alarm. */ - if (!rtc->ops) - err = -ENODEV; - else if (!rtc->ops->set_alarm) - err = -EINVAL; - else - err = rtc->ops->set_alarm(rtc->dev.parent, alarm); - - return err; + return ___rtc_set_alarm(rtc, alarm); } int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) @@ -396,6 +407,8 @@ int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node); } mutex_unlock(&rtc->ops_lock); + /* maybe that was in the past.*/ + schedule_work(&rtc->irqwork); return err; } EXPORT_SYMBOL_GPL(rtc_initialize_alarm); @@ -763,6 +776,20 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer) return 0; } +static void rtc_alarm_disable(struct rtc_device *rtc) +{ + struct rtc_wkalrm alarm; + struct rtc_time tm; + + __rtc_read_time(rtc, &tm); + + alarm.time = rtc_ktime_to_tm(ktime_add(rtc_tm_to_ktime(tm), + ktime_set(300, 0))); + alarm.enabled = 0; + + ___rtc_set_alarm(rtc, &alarm); +} + /** * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue * @rtc rtc device @@ -784,8 +811,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer) struct rtc_wkalrm alarm; int err; next = timerqueue_getnext(&rtc->timerqueue); - if (!next) + if (!next) { + rtc_alarm_disable(rtc); return; + } alarm.time = rtc_ktime_to_tm(next->expires); alarm.enabled = 1; err = __rtc_set_alarm(rtc, &alarm); @@ -847,7 +876,8 @@ again: err = __rtc_set_alarm(rtc, &alarm); if (err == -ETIME) goto again; - } + } else + rtc_alarm_disable(rtc); mutex_unlock(&rtc->ops_lock); } |