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timekeeping; Use ktime based data for ktime_get_update_offsets_tick()

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No need to juggle with timespecs.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
Thomas Gleixner 2014-07-16 21:04:20 +00:00 committed by John Stultz
parent a37c0aad60
commit 48064f5f67
1 changed files with 6 additions and 6 deletions
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12
kernel/time/timekeeping.c
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@ -1636,22 +1636,22 @@ ktime_t ktime_get_update_offsets_tick(ktime_t *offs_real, ktime_t *offs_boot,
ktime_t *offs_tai) ktime_t *offs_tai)
{ {
struct timekeeper *tk = &tk_core.timekeeper; struct timekeeper *tk = &tk_core.timekeeper;
struct timespec64 ts;
ktime_t now;
unsigned int seq; unsigned int seq;
ktime_t base;
u64 nsecs;
do { do {
seq = read_seqcount_begin(&tk_core.seq); seq = read_seqcount_begin(&tk_core.seq);
ts = tk_xtime(tk); base = tk->base_mono;
nsecs = tk->xtime_nsec >> tk->shift;
*offs_real = tk->offs_real; *offs_real = tk->offs_real;
*offs_boot = tk->offs_boot; *offs_boot = tk->offs_boot;
*offs_tai = tk->offs_tai; *offs_tai = tk->offs_tai;
} while (read_seqcount_retry(&tk_core.seq, seq)); } while (read_seqcount_retry(&tk_core.seq, seq));
now = ktime_set(ts.tv_sec, ts.tv_nsec); return ktime_add_ns(base, nsecs);
now = ktime_sub(now, *offs_real);
return now;
} }
#ifdef CONFIG_HIGH_RES_TIMERS #ifdef CONFIG_HIGH_RES_TIMERS