diff options
-rw-r--r-- | kernel/time/timekeeping.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 9a0bc98fbe1d..183df62de9ef 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -826,6 +826,14 @@ static int timekeeping_suspend(void) read_persistent_clock(&timekeeping_suspend_time); + /* + * On some systems the persistent_clock can not be detected at + * timekeeping_init by its return value, so if we see a valid + * value returned, update the persistent_clock_exists flag. + */ + if (timekeeping_suspend_time.tv_sec || timekeeping_suspend_time.tv_nsec) + persistent_clock_exist = true; + write_seqlock_irqsave(&tk->lock, flags); timekeeping_forward_now(tk); timekeeping_suspended = 1; |