time: Change the return type of clockevents_notify() to integer

[firefly-linux-kernel-4.4.55.git] / kernel / time / clockevents.c

diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c
index 0e3a8448e1155991b9973082ab40bd13b6b0a177..506864c1f6a22353d285366fd68aab386e547a1a 100644 (file)
--- a/kernel/time/clockevents.c
+++ b/kernel/time/clockevents.c
@@ -396,12 +396,13 @@ void clockevents_resume(void)
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
 /**
  * clockevents_notify - notification about relevant events
+ * Returns 0 on success, any other value on error
  */
-void clockevents_notify(unsigned long reason, void *arg)
+int clockevents_notify(unsigned long reason, void *arg)
 {
        struct clock_event_device *dev, *tmp;
        unsigned long flags;
-       int cpu;
+       int cpu, ret = 0;
 
        raw_spin_lock_irqsave(&clockevents_lock, flags);
 
@@ -414,7 +415,7 @@ void clockevents_notify(unsigned long reason, void *arg)
 
        case CLOCK_EVT_NOTIFY_BROADCAST_ENTER:
        case CLOCK_EVT_NOTIFY_BROADCAST_EXIT:
-               tick_broadcast_oneshot_control(reason);
+               ret = tick_broadcast_oneshot_control(reason);
                break;
 
        case CLOCK_EVT_NOTIFY_CPU_DYING:
@@ -457,6 +458,7 @@ void clockevents_notify(unsigned long reason, void *arg)
                break;
        }
        raw_spin_unlock_irqrestore(&clockevents_lock, flags);
+       return ret;
 }
 EXPORT_SYMBOL_GPL(clockevents_notify);
 #endif