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-rw-r--r--kernel/time/tick-broadcast.c13
-rw-r--r--kernel/time/tick-common.c4
2 files changed, 8 insertions, 9 deletions
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c
index acf15b49e55b..298bc7c6f09f 100644
--- a/kernel/time/tick-broadcast.c
+++ b/kernel/time/tick-broadcast.c
@@ -64,8 +64,9 @@ static void tick_broadcast_start_periodic(struct clock_event_device *bc)
*/
int tick_check_broadcast_device(struct clock_event_device *dev)
{
- if (tick_broadcast_device.evtdev ||
- (dev->features & CLOCK_EVT_FEAT_C3STOP))
+ if ((tick_broadcast_device.evtdev &&
+ tick_broadcast_device.evtdev->rating >= dev->rating) ||
+ (dev->features & CLOCK_EVT_FEAT_C3STOP))
return 0;
clockevents_exchange_device(NULL, dev);
@@ -513,11 +514,9 @@ static void tick_broadcast_clear_oneshot(int cpu)
*/
void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
{
- if (bc->mode != CLOCK_EVT_MODE_ONESHOT) {
- bc->event_handler = tick_handle_oneshot_broadcast;
- clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
- bc->next_event.tv64 = KTIME_MAX;
- }
+ bc->event_handler = tick_handle_oneshot_broadcast;
+ clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
+ bc->next_event.tv64 = KTIME_MAX;
}
/*
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 77a21abc8716..3f3ae3907830 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -200,7 +200,7 @@ static int tick_check_new_device(struct clock_event_device *newdev)
cpu = smp_processor_id();
if (!cpu_isset(cpu, newdev->cpumask))
- goto out;
+ goto out_bc;
td = &per_cpu(tick_cpu_device, cpu);
curdev = td->evtdev;
@@ -265,7 +265,7 @@ out_bc:
*/
if (tick_check_broadcast_device(newdev))
ret = NOTIFY_STOP;
-out:
+
spin_unlock_irqrestore(&tick_device_lock, flags);
return ret;