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author | John Stultz <john.stultz@linaro.org> | 2013-09-17 03:54:07 +0200 |
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committer | John Stultz <john.stultz@linaro.org> | 2013-09-17 03:54:07 +0200 |
commit | 389e067032fbb96e439abafae848dd447e4cafb4 (patch) | |
tree | 9b5fdebaf55ad4e9d195412dbfbf10a7a8042aea /kernel/time | |
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-389e067032fbb96e439abafae848dd447e4cafb4.tar.xz linux-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')
-rw-r--r-- | kernel/time/clocksource.c | 1 | ||||
-rw-r--r-- | kernel/time/ntp.c | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 637a14af6c21..64cf63ca09cc 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -479,6 +479,7 @@ static inline void clocksource_dequeue_watchdog(struct clocksource *cs) { } static inline void clocksource_resume_watchdog(void) { } static inline int __clocksource_watchdog_kthread(void) { return 0; } static bool clocksource_is_watchdog(struct clocksource *cs) { return false; } +void clocksource_mark_unstable(struct clocksource *cs) { } #endif /* CONFIG_CLOCKSOURCE_WATCHDOG */ 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; |