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timekeeping: access rtc outside of xtime lock 

Lockdep complains about the access of rtc in timekeeping_suspend
inside the interrupt disabled region of the write locked xtime lock.
Move the access outside.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <johnstul@us.ibm.com>
This commit is contained in:
Thomas Gleixner 2007-09-16 15:36:43 +02:00 committed by Thomas Gleixner
parent d0174640ee
commit 3be9095063
1 changed files with 2 additions and 1 deletions
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3
kernel/time/timekeeping.c
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@ -325,9 +325,10 @@ static int timekeeping_suspend(struct sys_device *dev, pm_message_t state)
{
unsigned long flags;
timekeeping_suspend_time = read_persistent_clock();
write_seqlock_irqsave(&xtime_lock, flags);
timekeeping_suspended = 1;
timekeeping_suspend_time = read_persistent_clock();
write_sequnlock_irqrestore(&xtime_lock, flags);
clockevents_notify(CLOCK_EVT_NOTIFY_SUSPEND, NULL);