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| author | John Stultz <john.stultz@linaro.org> | 2013-01-22 05:00:11 +0400 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2013-03-23 03:19:59 +0400 |
| commit | 90adda98b89aaf68b06014ecf805b6c477daa19b (patch) | |
| tree | c50d47c4c344774205569ce42e13d16a8174b02e /kernel/hrtimer.c | |
| parent | 1ff3c9677bff7e468e0c487d0ffefe4e901d33f4 (diff) | |
| download | linux-90adda98b89aaf68b06014ecf805b6c477daa19b.tar.xz | |
hrtimer: Add hrtimer support for CLOCK_TAI
Add hrtimer support for CLOCK_TAI, as well as posix timer interfaces.
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'kernel/hrtimer.c')
| -rw-r--r-- | kernel/hrtimer.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index cc47812d3feb..258720741d3e 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -83,6 +83,12 @@ DEFINE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases) = .get_time = &ktime_get_boottime, .resolution = KTIME_LOW_RES, }, + { + .index = HRTIMER_BASE_TAI, + .clockid = CLOCK_TAI, + .get_time = &ktime_get_clocktai, + .resolution = KTIME_LOW_RES, + }, } }; @@ -90,6 +96,7 @@ static const int hrtimer_clock_to_base_table[MAX_CLOCKS] = { [CLOCK_REALTIME] = HRTIMER_BASE_REALTIME, [CLOCK_MONOTONIC] = HRTIMER_BASE_MONOTONIC, [CLOCK_BOOTTIME] = HRTIMER_BASE_BOOTTIME, + [CLOCK_TAI] = HRTIMER_BASE_TAI, }; static inline int hrtimer_clockid_to_base(clockid_t clock_id) @@ -106,8 +113,10 @@ static void hrtimer_get_softirq_time(struct hrtimer_cpu_base *base) { ktime_t xtim, mono, boot; struct timespec xts, tom, slp; + s32 tai_offset; get_xtime_and_monotonic_and_sleep_offset(&xts, &tom, &slp); + tai_offset = timekeeping_get_tai_offset(); xtim = timespec_to_ktime(xts); mono = ktime_add(xtim, timespec_to_ktime(tom)); @@ -115,6 +124,8 @@ static void hrtimer_get_softirq_time(struct hrtimer_cpu_base *base) base->clock_base[HRTIMER_BASE_REALTIME].softirq_time = xtim; base->clock_base[HRTIMER_BASE_MONOTONIC].softirq_time = mono; base->clock_base[HRTIMER_BASE_BOOTTIME].softirq_time = boot; + base->clock_base[HRTIMER_BASE_TAI].softirq_time = + ktime_add(xtim, ktime_set(tai_offset, 0)); } /* @@ -651,8 +662,9 @@ static inline ktime_t hrtimer_update_base(struct hrtimer_cpu_base *base) { ktime_t *offs_real = &base->clock_base[HRTIMER_BASE_REALTIME].offset; ktime_t *offs_boot = &base->clock_base[HRTIMER_BASE_BOOTTIME].offset; + ktime_t *offs_tai = &base->clock_base[HRTIMER_BASE_TAI].offset; - return ktime_get_update_offsets(offs_real, offs_boot); + return ktime_get_update_offsets(offs_real, offs_boot, offs_tai); } /* |