diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2013-02-21 22:51:36 +0000 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2013-03-22 16:19:59 -0700 |
| commit | 23a9537a6999fce16f06ca61fc6cac52c8fbdc86 (patch) | |
| tree | db1f5b82730a087bf36be7dc3ad46354a79877ea /kernel/time | |
| parent | 90adda98b89aaf68b06014ecf805b6c477daa19b (diff) | |
timekeeping: Calc stuff once
Calculate the cycle interval shifted value once. No functional change,
just makes the code more readable.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/timekeeping.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 8061ae0be7b..c442a4ccccc 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -1250,15 +1250,16 @@ static inline void accumulate_nsecs_to_secs(struct timekeeper *tk) static cycle_t logarithmic_accumulation(struct timekeeper *tk, cycle_t offset, u32 shift) { + cycle_t interval = tk->cycle_interval << shift; u64 raw_nsecs; /* If the offset is smaller then a shifted interval, do nothing */ - if (offset < tk->cycle_interval<<shift) + if (offset < interval) return offset; /* Accumulate one shifted interval */ - offset -= tk->cycle_interval << shift; - tk->clock->cycle_last += tk->cycle_interval << shift; + offset -= interval; + tk->clock->cycle_last += interval; tk->xtime_nsec += tk->xtime_interval << shift; accumulate_nsecs_to_secs(tk); |