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authorJohn Stultz <john.stultz@linaro.org>2011-02-14 18:43:08 -0800
committerJohn Stultz <john.stultz@linaro.org>2011-02-21 12:53:07 -0800
commit314ac37150011ebb398f522db528d2dbcc611189 (patch)
tree0731fced7713d3889bd783577673068a6bc93796
parentabb3a4ea2e0ea7114a4475745da2f32bd9ad5b73 (diff)
time: Extend get_xtime_and_monotonic_offset() to also return sleep
Extend get_xtime_and_monotonic_offset to get_xtime_and_monotonic_and_sleep_offset(). CC: Jamie Lokier <jamie@shareable.org> CC: Thomas Gleixner <tglx@linutronix.de> CC: Alexander Shishkin <virtuoso@slind.org> CC: Arve Hjønnevåg <arve@android.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
-rw-r--r--include/linux/time.h3
-rw-r--r--kernel/hrtimer.c9
-rw-r--r--kernel/time/timekeeping.c8
3 files changed, 13 insertions, 7 deletions
diff --git a/include/linux/time.h b/include/linux/time.h
index fa39150cb81..02d48fb30b4 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -124,7 +124,8 @@ unsigned long get_seconds(void);
struct timespec current_kernel_time(void);
struct timespec __current_kernel_time(void); /* does not take xtime_lock */
struct timespec get_monotonic_coarse(void);
-void get_xtime_and_monotonic_offset(struct timespec *xtim, struct timespec *wtom);
+void get_xtime_and_monotonic_and_sleep_offset(struct timespec *xtim,
+ struct timespec *wtom, struct timespec *sleep);
#define CURRENT_TIME (current_kernel_time())
#define CURRENT_TIME_SEC ((struct timespec) { get_seconds(), 0 })
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index ca99e245460..e8bf3ad9906 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -91,9 +91,9 @@ static inline int hrtimer_clockid_to_base(clockid_t clock_id)
static void hrtimer_get_softirq_time(struct hrtimer_cpu_base *base)
{
ktime_t xtim, tomono;
- struct timespec xts, tom;
+ struct timespec xts, tom, slp;
- get_xtime_and_monotonic_offset(&xts, &tom);
+ get_xtime_and_monotonic_and_sleep_offset(&xts, &tom, &slp);
xtim = timespec_to_ktime(xts);
tomono = timespec_to_ktime(tom);
@@ -614,12 +614,13 @@ static int hrtimer_reprogram(struct hrtimer *timer,
static void retrigger_next_event(void *arg)
{
struct hrtimer_cpu_base *base;
- struct timespec realtime_offset, wtm;
+ struct timespec realtime_offset, wtm, sleep;
if (!hrtimer_hres_active())
return;
- get_xtime_and_monotonic_offset(&realtime_offset, &wtm);
+ get_xtime_and_monotonic_and_sleep_offset(&realtime_offset, &wtm,
+ &sleep);
set_normalized_timespec(&realtime_offset, -wtm.tv_sec, -wtm.tv_nsec);
base = &__get_cpu_var(hrtimer_bases);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 5fbd9aa7df9..3bd7e3d5c63 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1040,11 +1040,14 @@ void do_timer(unsigned long ticks)
}
/**
- * get_xtime_and_monotonic_offset() - get xtime and wall_to_monotonic
+ * get_xtime_and_monotonic_and_sleep_offset() - get xtime, wall_to_monotonic,
+ * and sleep offsets.
* @xtim: pointer to timespec to be set with xtime
* @wtom: pointer to timespec to be set with wall_to_monotonic
+ * @sleep: pointer to timespec to be set with time in suspend
*/
-void get_xtime_and_monotonic_offset(struct timespec *xtim, struct timespec *wtom)
+void get_xtime_and_monotonic_and_sleep_offset(struct timespec *xtim,
+ struct timespec *wtom, struct timespec *sleep)
{
unsigned long seq;
@@ -1052,6 +1055,7 @@ void get_xtime_and_monotonic_offset(struct timespec *xtim, struct timespec *wtom
seq = read_seqbegin(&xtime_lock);
*xtim = xtime;
*wtom = wall_to_monotonic;
+ *sleep = total_sleep_time;
} while (read_seqretry(&xtime_lock, seq));
}