[tip: timers/core] timekeeping: Remove the unused ktime_get_clock_ts64()

["tip-bot2 for Thomas Weißschuh (Schneider Electric)" <tip-bot2@linutronix.de>]

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     1b515771872174553fe70eadb8efecfa49035922
Gitweb:        https://git.kernel.org/tip/1b515771872174553fe70eadb8efecfa49035922
Author:        Thomas Weißschuh (Schneider Electric) <thomas.weissschuh@linutronix.de>
AuthorDate:    Fri, 31 Jul 2026 16:20:14 +02:00
Committer:     Thomas Gleixner <tglx@kernel.org>
CommitterDate: Tue, 11 Aug 2026 11:12:43 +02:00

timekeeping: Remove the unused ktime_get_clock_ts64()

The last user was removed in commit a6d799608e6a ("ptp: Switch to
ktime_get_snapshot_id() for pre/post timestamps").

Signed-off-by: Thomas Weißschuh (Schneider Electric) <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260731-timekeeping-aux-must-check-v1-1-11ae93068497@linutronix.de
---
 include/linux/timekeeping.h |  1 -
 kernel/time/timekeeping.c   | 34 ----------------------------------
 2 files changed, 35 deletions(-)

diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index b4191a8..ca4a881 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -44,7 +44,6 @@ extern void ktime_get_ts64(struct timespec64 *ts);
 extern void ktime_get_real_ts64(struct timespec64 *tv);
 extern void ktime_get_coarse_ts64(struct timespec64 *ts);
 extern void ktime_get_coarse_real_ts64(struct timespec64 *ts);
-extern void ktime_get_clock_ts64(clockid_t id, struct timespec64 *ts);
 
 /* Multigrain timestamp interfaces */
 extern void ktime_get_coarse_real_ts64_mg(struct timespec64 *ts);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index c1863f2..4e6d594 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1942,40 +1942,6 @@ void ktime_get_raw_ts64(struct timespec64 *ts)
 EXPORT_SYMBOL(ktime_get_raw_ts64);
 
 /**
- * ktime_get_clock_ts64 - Returns time of a clock in a timespec
- * @id:		POSIX clock ID of the clock to read
- * @ts:		Pointer to the timespec64 to be set
- *
- * The timestamp is invalidated (@ts->sec is set to -1) if the
- * clock @id is not available.
- */
-void ktime_get_clock_ts64(clockid_t id, struct timespec64 *ts)
-{
-	/* Invalidate time stamp */
-	ts->tv_sec = -1;
-	ts->tv_nsec = 0;
-
-	switch (id) {
-	case CLOCK_REALTIME:
-		ktime_get_real_ts64(ts);
-		return;
-	case CLOCK_MONOTONIC:
-		ktime_get_ts64(ts);
-		return;
-	case CLOCK_MONOTONIC_RAW:
-		ktime_get_raw_ts64(ts);
-		return;
-	case CLOCK_AUX ... CLOCK_AUX_LAST:
-		if (IS_ENABLED(CONFIG_POSIX_AUX_CLOCKS))
-			ktime_get_aux_ts64(id, ts);
-		return;
-	default:
-		WARN_ON_ONCE(1);
-	}
-}
-EXPORT_SYMBOL_GPL(ktime_get_clock_ts64);
-
-/**
  * timekeeping_valid_for_hres - Check if timekeeping is suitable for hres
  */
 int timekeeping_valid_for_hres(void)