These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / rtc / interface.c

diff --git a/kernel/drivers/rtc/interface.c b/kernel/drivers/rtc/interface.c
index 166fc60..5836751 100644 (file)
--- a/kernel/drivers/rtc/interface.c
+++ b/kernel/drivers/rtc/interface.c
@@ -91,51 +91,6 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
 }
 EXPORT_SYMBOL_GPL(rtc_set_time);
 
-int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
-{
-       int err;
-
-       err = mutex_lock_interruptible(&rtc->ops_lock);
-       if (err)
-               return err;
-
-       if (!rtc->ops)
-               err = -ENODEV;
-       else if (rtc->ops->set_mmss64)
-               err = rtc->ops->set_mmss64(rtc->dev.parent, secs);
-       else if (rtc->ops->set_mmss)
-               err = rtc->ops->set_mmss(rtc->dev.parent, secs);
-       else if (rtc->ops->read_time && rtc->ops->set_time) {
-               struct rtc_time new, old;
-
-               err = rtc->ops->read_time(rtc->dev.parent, &old);
-               if (err == 0) {
-                       rtc_time64_to_tm(secs, &new);
-
-                       /*
-                        * avoid writing when we're going to change the day of
-                        * the month. We will retry in the next minute. This
-                        * basically means that if the RTC must not drift
-                        * by more than 1 minute in 11 minutes.
-                        */
-                       if (!((old.tm_hour == 23 && old.tm_min == 59) ||
-                               (new.tm_hour == 23 && new.tm_min == 59)))
-                               err = rtc->ops->set_time(rtc->dev.parent,
-                                               &new);
-               }
-       } else {
-               err = -EINVAL;
-       }
-
-       pm_stay_awake(rtc->dev.parent);
-       mutex_unlock(&rtc->ops_lock);
-       /* A timer might have just expired */
-       schedule_work(&rtc->irqwork);
-
-       return err;
-}
-EXPORT_SYMBOL_GPL(rtc_set_mmss);
-
 static int rtc_read_alarm_internal(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 {
        int err;
@@ -609,7 +564,7 @@ enum hrtimer_restart rtc_pie_update_irq(struct hrtimer *timer)
 void rtc_update_irq(struct rtc_device *rtc,
                unsigned long num, unsigned long events)
 {
-       if (unlikely(IS_ERR_OR_NULL(rtc)))
+       if (IS_ERR_OR_NULL(rtc))
                return;
 
        pm_stay_awake(rtc->dev.parent);
@@ -976,14 +931,12 @@ int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer *timer,
  *
  * Kernel interface to cancel an rtc_timer
  */
-int rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer *timer)
+void rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer *timer)
 {
-       int ret = 0;
        mutex_lock(&rtc->ops_lock);
        if (timer->enabled)
                rtc_timer_remove(rtc, timer);
        mutex_unlock(&rtc->ops_lock);
-       return ret;
 }