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| author | Thomas Gleixner <tglx@linutronix.de> | 2014-07-16 21:05:01 +0000 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2014-07-23 15:01:48 -0700 |
| commit | 61edec81d260bc96a73c878bbdb4c614460346da (patch) | |
| tree | a683a37b4e6be8b1b5bea1a1fb1b509d94274fe7 | |
| parent | 47da70d32535000ec29cc206cfc1d318fbd8761f (diff) | |
| download | linux-stable-61edec81d260bc96a73c878bbdb4c614460346da.tar.gz linux-stable-61edec81d260bc96a73c878bbdb4c614460346da.tar.bz2 linux-stable-61edec81d260bc96a73c878bbdb4c614460346da.zip | |
timekeeping: Simplify timekeeping_clocktai()
timekeeping_clocktai() is not used in fast pathes, so the extra
timespec conversion is not problematic.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
| -rw-r--r-- | include/linux/timekeeping.h | 5 | ||||
| -rw-r--r-- | kernel/time/timekeeping.c | 31 |
2 files changed, 5 insertions, 31 deletions
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h index 7b8f20007871..f0f12a84a31b 100644 --- a/include/linux/timekeeping.h +++ b/include/linux/timekeeping.h @@ -166,6 +166,11 @@ static inline void get_monotonic_boottime(struct timespec *ts) *ts = ktime_to_timespec(ktime_get_boottime()); } +static inline void timekeeping_clocktai(struct timespec *ts) +{ + *ts = ktime_to_timespec(ktime_get_clocktai()); +} + /* * RTC specific */ diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 50d5de05b837..118e91e3071c 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -497,37 +497,6 @@ void ktime_get_ts64(struct timespec64 *ts) } EXPORT_SYMBOL_GPL(ktime_get_ts64); - -/** - * timekeeping_clocktai - Returns the TAI time of day in a timespec - * @ts: pointer to the timespec to be set - * - * Returns the time of day in a timespec. - */ -void timekeeping_clocktai(struct timespec *ts) -{ - struct timekeeper *tk = &tk_core.timekeeper; - struct timespec64 ts64; - unsigned long seq; - u64 nsecs; - - WARN_ON(timekeeping_suspended); - - do { - seq = read_seqcount_begin(&tk_core.seq); - - ts64.tv_sec = tk->xtime_sec + tk->tai_offset; - nsecs = timekeeping_get_ns(tk); - - } while (read_seqcount_retry(&tk_core.seq, seq)); - - ts64.tv_nsec = 0; - timespec64_add_ns(&ts64, nsecs); - *ts = timespec64_to_timespec(ts64); - -} -EXPORT_SYMBOL(timekeeping_clocktai); - #ifdef CONFIG_NTP_PPS /** |