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| author |   John Stultz <john.stultz@linaro.org> | 2013-09-16 18:54:07 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2013-09-16 18:54:07 -0700 |
| commit | 389e067032fbb96e439abafae848dd447e4cafb4 (patch) | |
| tree | 9b5fdebaf55ad4e9d195412dbfbf10a7a8042aea /kernel/time/ntp.c | |
| parent | Merge branch 'fortglx/3.12/sched-clock64-base' into fortglx/3.13/time (diff) | |
| parent | ntp: Make periodic RTC update more reliable (diff) | |
| download | linux-dev-389e067032fbb96e439abafae848dd447e4cafb4.tar.xz linux-dev-389e067032fbb96e439abafae848dd447e4cafb4.zip | |
Merge branch 'fortglx/3.12/time' into fortglx/3.13/time
Merge in the timekeeping changes that missed 3.12
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'kernel/time/ntp.c')
| -rw-r--r-- | kernel/time/ntp.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c index 8f5b3b98577b..ab1fa7cb8912 100644 --- a/kernel/time/ntp.c +++ b/kernel/time/ntp.c @@ -475,6 +475,7 @@ static void sync_cmos_clock(struct work_struct *work) * called as close as possible to 500 ms before the new second starts. * This code is run on a timer. If the clock is set, that timer * may not expire at the correct time. Thus, we adjust... + * We want the clock to be within a couple of ticks from the target. */ if (!ntp_synced()) { /* @@ -485,7 +486,7 @@ static void sync_cmos_clock(struct work_struct *work) } getnstimeofday(&now); - if (abs(now.tv_nsec - (NSEC_PER_SEC / 2)) <= tick_nsec / 2) { + if (abs(now.tv_nsec - (NSEC_PER_SEC / 2)) <= tick_nsec * 5) { struct timespec adjust = now; fail = -ENODEV; |