cpumask: introduce new API, without changing anything, v3

[linux-2.6-omap-h63xx.git] / kernel / time / tick-broadcast.c

diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index cb01cd8f919b2752cfb7d97b4dc9ea4e87834a97..f98a1b7b16e942018ffe9e5998756405695da9a4 100644 (file)
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -383,6 +383,19 @@ int tick_resume_broadcast_oneshot(struct clock_event_device *bc)
        return 0;
 }
 
+/*
+ * Called from irq_enter() when idle was interrupted to reenable the
+ * per cpu device.
+ */
+void tick_check_oneshot_broadcast(int cpu)
+{
+       if (cpu_isset(cpu, tick_broadcast_oneshot_mask)) {
+               struct tick_device *td = &per_cpu(tick_cpu_device, cpu);
+
+               clockevents_set_mode(td->evtdev, CLOCK_EVT_MODE_ONESHOT);
+       }
+}
+
 /*
  * Handle oneshot mode broadcasting
  */