timekeeping: Remove ktime_get_monotonic_offset()

No more users.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>

include/linux/timekeeping.h

@@ -108,7 +108,6 @@ enum tk_offsets {
 
 extern ktime_t ktime_get(void);
 extern ktime_t ktime_get_with_offset(enum tk_offsets offs);
-extern ktime_t ktime_get_monotonic_offset(void);
 extern ktime_t ktime_mono_to_any(ktime_t tmono, enum tk_offsets offs);
 
 /**

kernel/time/timekeeping.c

@@ -1707,24 +1707,6 @@ ktime_t ktime_get_update_offsets_now(ktime_t *offs_real, ktime_t *offs_boot,
 }
 #endif
 
-/**
- * ktime_get_monotonic_offset() - get wall_to_monotonic in ktime_t format
- */
-ktime_t ktime_get_monotonic_offset(void)
-{
-	struct timekeeper *tk = &tk_core.timekeeper;
-	unsigned long seq;
-	struct timespec64 wtom;
-
-	do {
-		seq = read_seqcount_begin(&tk_core.seq);
-		wtom = tk->wall_to_monotonic;
-	} while (read_seqcount_retry(&tk_core.seq, seq));
-
-	return timespec64_to_ktime(wtom);
-}
-EXPORT_SYMBOL_GPL(ktime_get_monotonic_offset);
-
 /**
  * do_adjtimex() - Accessor function to NTP __do_adjtimex function
  */