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

Commit-ID:     ed78a701941999635389c41ddd638e8e7ea2470f
Gitweb:        https://git.kernel.org/tip/ed78a701941999635389c41ddd638e8e7ea2470f
Author:        Thomas Gleixner <tglx@kernel.org>
AuthorDate:    Wed, 08 Apr 2026 13:54:33 +02:00
Committer:     Thomas Gleixner <tglx@kernel.org>
CommitterDate: Fri, 01 May 2026 21:36:14 +02:00

alarmtimer: Remove unused interfaces

All alarmtimer users are converted to alarm_start_timer(). Remove the now
unused interfaces.

Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://patch.msgid.link/20260408114952.670899355@kernel.org
---
 include/linux/alarmtimer.h |  3 +---
 kernel/time/alarmtimer.c   | 44 +-------------------------------------
 2 files changed, 47 deletions(-)

diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h
index 14d729f..2014288 100644
--- a/include/linux/alarmtimer.h
+++ b/include/linux/alarmtimer.h
@@ -50,9 +50,6 @@ static __always_inline ktime_t alarm_get_expires(struct alarm *alarm)
 void alarm_init(struct alarm *alarm, enum alarmtimer_type type,
 		void (*function)(struct alarm *, ktime_t));
 bool alarm_start_timer(struct alarm *alarm, ktime_t expires, bool relative);
-void alarm_start(struct alarm *alarm, ktime_t start);
-void alarm_start_relative(struct alarm *alarm, ktime_t start);
-void alarm_restart(struct alarm *alarm);
 int alarm_try_to_cancel(struct alarm *alarm);
 int alarm_cancel(struct alarm *alarm);
 
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index 9baa69c..9275fe4 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -337,39 +337,6 @@ void alarm_init(struct alarm *alarm, enum alarmtimer_type type,
 EXPORT_SYMBOL_GPL(alarm_init);
 
 /**
- * alarm_start - Sets an absolute alarm to fire
- * @alarm: ptr to alarm to set
- * @start: time to run the alarm
- */
-void alarm_start(struct alarm *alarm, ktime_t start)
-{
-	struct alarm_base *base = &alarm_bases[alarm->type];
-
-	scoped_guard(spinlock_irqsave, &base->lock) {
-		alarm->node.expires = start;
-		alarmtimer_enqueue(base, alarm);
-		hrtimer_start(&alarm->timer, alarm->node.expires, HRTIMER_MODE_ABS);
-	}
-
-	trace_alarmtimer_start(alarm, base->get_ktime());
-}
-EXPORT_SYMBOL_GPL(alarm_start);
-
-/**
- * alarm_start_relative - Sets a relative alarm to fire
- * @alarm: ptr to alarm to set
- * @start: time relative to now to run the alarm
- */
-void alarm_start_relative(struct alarm *alarm, ktime_t start)
-{
-	struct alarm_base *base = &alarm_bases[alarm->type];
-
-	start = ktime_add_safe(start, base->get_ktime());
-	alarm_start(alarm, start);
-}
-EXPORT_SYMBOL_GPL(alarm_start_relative);
-
-/**
  * alarm_start_timer - Sets an alarm to fire
  * @alarm:	Pointer to alarm to set
  * @expires:	Expiry time
@@ -397,17 +364,6 @@ bool alarm_start_timer(struct alarm *alarm, ktime_t expires, bool relative)
 }
 EXPORT_SYMBOL_GPL(alarm_start_timer);
 
-void alarm_restart(struct alarm *alarm)
-{
-	struct alarm_base *base = &alarm_bases[alarm->type];
-
-	guard(spinlock_irqsave)(&base->lock);
-	hrtimer_set_expires(&alarm->timer, alarm->node.expires);
-	hrtimer_restart(&alarm->timer);
-	alarmtimer_enqueue(base, alarm);
-}
-EXPORT_SYMBOL_GPL(alarm_restart);
-
 /**
  * alarm_try_to_cancel - Tries to cancel an alarm timer
  * @alarm: ptr to alarm to be canceled