1 files changed, 3 insertions, 1 deletions

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index e2ab064c6d4..39f6177fafa 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -622,6 +622,7 @@ static int timekeeping_suspend(struct sys_device *dev, pm_message_t state)
         write_sequnlock_irqrestore(&xtime_lock, flags);
 
         clockevents_notify(CLOCK_EVT_NOTIFY_SUSPEND, NULL);
+        clocksource_suspend();
 
         return 0;
 }
@@ -817,7 +818,8 @@ void update_wall_time(void)
         shift = min(shift, maxshift);
         while (offset >= timekeeper.cycle_interval) {
                 offset = logarithmic_accumulation(offset, shift);
-                shift--;
+                if(offset < timekeeper.cycle_interval<<shift)
+                        shift--;
         }
 
         /* correct the clock when NTP error is too big */