Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  time/clocksource: Fix kernel-doc warnings
  rtc: m41t80: Workaround broken alarm functionality
  rtc: Expire alarms after the time is set.

2 files changed, 15 insertions, 0 deletions

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index fa4d9f324189..3bcc7cfcaba7 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;
 }
@@ -403,6 +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);
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index eda128fc1d38..64aedd8cc095 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -357,10 +357,19 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 static struct rtc_class_ops m41t80_rtc_ops = {
         .read_time = m41t80_rtc_read_time,
         .set_time = m41t80_rtc_set_time,
+        /*
+         * XXX - m41t80 alarm functionality is reported broken.
+         * until it is fixed, don't register alarm functions.
+         *
         .read_alarm = m41t80_rtc_read_alarm,
         .set_alarm = m41t80_rtc_set_alarm,
+        */
         .proc = m41t80_rtc_proc,
+        /*
+         * See above comment on broken alarm
+         *
         .alarm_irq_enable = m41t80_rtc_alarm_irq_enable,
+        */
 };
 
 #if defined(CONFIG_RTC_INTF_SYSFS) || defined(CONFIG_RTC_INTF_SYSFS_MODULE)