diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/time/tick-broadcast.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index ef77b16ad5df..fad3f789beec 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -693,6 +693,13 @@ int __tick_broadcast_oneshot_control(enum tick_broadcast_state state) ktime_t now; /* + * If there is no broadcast device, tell the caller not to go + * into deep idle. + */ + if (!tick_broadcast_device.evtdev) + return -EBUSY; + + /* * Periodic mode does not care about the enter/exit of power * states */ |