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| author | Sean Paul <seanpaul@chromium.org> | 2018-08-27 10:00:03 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2018-08-27 10:00:03 -0400 |
| commit | bc537a9cc47eec7f4e32b8164c494ddc35dca8ac (patch) | |
| tree | a7365f3b76f4e472c43f14e074a284bfb28803e8 /include/linux/timekeeping.h | |
| parent | a5ec8332d4280500544e316f76c04a7adc02ce03 (diff) | |
| parent | 5b394b2ddf0347bef56e50c69a58773c94343ff3 (diff) | |
| download | linux-next-bc537a9cc47eec7f4e32b8164c494ddc35dca8ac.tar.gz linux-next-bc537a9cc47eec7f4e32b8164c494ddc35dca8ac.zip | |
Merge drm/drm-next into drm-misc-next
Now that 4.19-rc1 is cut, backmerge it into -misc-next.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'include/linux/timekeeping.h')
| -rw-r--r-- | include/linux/timekeeping.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h index 86bc2026efce..5d738804e3d6 100644 --- a/include/linux/timekeeping.h +++ b/include/linux/timekeeping.h @@ -21,6 +21,21 @@ extern int do_sys_settimeofday64(const struct timespec64 *tv, const struct timezone *tz); /* + * ktime_get() family: read the current time in a multitude of ways, + * + * The default time reference is CLOCK_MONOTONIC, starting at + * boot time but not counting the time spent in suspend. + * For other references, use the functions with "real", "clocktai", + * "boottime" and "raw" suffixes. + * + * To get the time in a different format, use the ones wit + * "ns", "ts64" and "seconds" suffix. + * + * See Documentation/core-api/timekeeping.rst for more details. + */ + + +/* * timespec64 based interfaces */ extern void ktime_get_raw_ts64(struct timespec64 *ts); @@ -177,7 +192,7 @@ static inline time64_t ktime_get_clocktai_seconds(void) extern bool timekeeping_rtc_skipsuspend(void); extern bool timekeeping_rtc_skipresume(void); -extern void timekeeping_inject_sleeptime64(struct timespec64 *delta); +extern void timekeeping_inject_sleeptime64(const struct timespec64 *delta); /* * struct system_time_snapshot - simultaneous raw/real time capture with @@ -243,7 +258,8 @@ extern void ktime_get_snapshot(struct system_time_snapshot *systime_snapshot); extern int persistent_clock_is_local; extern void read_persistent_clock64(struct timespec64 *ts); -extern void read_boot_clock64(struct timespec64 *ts); +void read_persistent_clock_and_boot_offset(struct timespec64 *wall_clock, + struct timespec64 *boot_offset); extern int update_persistent_clock64(struct timespec64 now); /* |