hrtimer: Drop _tv64() helpers

Since ktime_t has become an alias to s64, these helpers are unnecessary.

Migrate the few remaining users to the regular helpers and remove the
now dead code.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260107-hrtimer-header-cleanup-v1-3-1a698ef0ddae@linutronix.de

Author: t-8ch

include/linux/hrtimer.h

@@ -112,12 +112,6 @@ static inline void hrtimer_set_expires_range_ns(struct hrtimer *timer, ktime_t t
 	timer->node.expires = ktime_add_safe(time, ns_to_ktime(delta));
 }
 
-static inline void hrtimer_set_expires_tv64(struct hrtimer *timer, s64 tv64)
-{
-	timer->node.expires = tv64;
-	timer->_softexpires = tv64;
-}
-
 static inline void hrtimer_add_expires(struct hrtimer *timer, ktime_t time)
 {
 	timer->node.expires = ktime_add_safe(timer->node.expires, time);
@@ -140,15 +134,6 @@ static inline ktime_t hrtimer_get_softexpires(const struct hrtimer *timer)
 	return timer->_softexpires;
 }
 
-static inline s64 hrtimer_get_expires_tv64(const struct hrtimer *timer)
-{
-	return timer->node.expires;
-}
-static inline s64 hrtimer_get_softexpires_tv64(const struct hrtimer *timer)
-{
-	return timer->_softexpires;
-}
-
 static inline s64 hrtimer_get_expires_ns(const struct hrtimer *timer)
 {
 	return ktime_to_ns(timer->node.expires);

kernel/time/hrtimer.c

@@ -814,7 +814,7 @@ static void hrtimer_reprogram(struct hrtimer *timer, bool reprogram)
 	struct hrtimer_clock_base *base = timer->base;
 	ktime_t expires = ktime_sub(hrtimer_get_expires(timer), base->offset);
 
-	WARN_ON_ONCE(hrtimer_get_expires_tv64(timer) < 0);
+	WARN_ON_ONCE(hrtimer_get_expires(timer) < 0);
 
 	/*
 	 * CLOCK_REALTIME timer might be requested with an absolute
@@ -1061,7 +1061,7 @@ u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)
 
 		orun = ktime_divns(delta, incr);
 		hrtimer_add_expires_ns(timer, incr * orun);
-		if (hrtimer_get_expires_tv64(timer) > now)
+		if (hrtimer_get_expires(timer) > now)
 			return orun;
 		/*
 		 * This (and the ktime_add() below) is the
@@ -1843,7 +1843,7 @@ static void __hrtimer_run_queues(struct hrtimer_cpu_base *cpu_base, ktime_t now,
 			 * are right-of a not yet expired timer, because that
 			 * timer will have to trigger a wakeup anyway.
 			 */
-			if (basenow < hrtimer_get_softexpires_tv64(timer))
+			if (basenow < hrtimer_get_softexpires(timer))
 				break;
 
 			__run_hrtimer(cpu_base, base, timer, &basenow, flags);