From: Thomas Gleixner <tglx@kernel.org>
Date: Wed, 8 Apr 2026 11:54:33 +0000 (+0200)
Subject: alarmtimer: Remove unused interfaces
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed78a701941999635389c41ddd638e8e7ea2470f;p=thirdparty%2Fkernel%2Flinux.git

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
---

diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h
index 14d729fe0fd6f..2014288ca2f4b 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 9baa69cfa1582..9275fe4cdc1b4 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -336,39 +336,6 @@ 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
@@ -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