timekeeping: Move TAI managment into timekeeping core from ntp
Currently NTP manages the TAI offset. Since there's plans for a
CLOCK_TAI clockid, push the TAI management into the timekeeping
core.
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
diff --git a/include/linux/time.h b/include/linux/time.h
index d4835df..47210a1 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -181,6 +181,8 @@
extern int timekeeping_valid_for_hres(void);
extern u64 timekeeping_max_deferment(void);
extern int timekeeping_inject_offset(struct timespec *ts);
+extern s32 timekeeping_get_tai_offset(void);
+extern void timekeeping_set_tai_offset(s32 tai_offset);
struct tms;
extern void do_sys_times(struct tms *);
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h
index e1d558e..ff94f43 100644
--- a/include/linux/timekeeper_internal.h
+++ b/include/linux/timekeeper_internal.h
@@ -62,6 +62,9 @@
ktime_t offs_boot;
/* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. */
struct timespec raw_time;
+ /* The current UTC to TAI offset in seconds */
+ s32 tai_offset;
+
/* Seqlock for all timekeeper values */
seqlock_t lock;
};