From ac1e843f0900bea92fcb47f6205e1f9ffb0d469c Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Fri, 21 Apr 2017 12:26:23 +0200
Subject: [PATCH] sched/clock: Remove unused argument to sched_clock_idle_wakeup_event()
Git-commit: ac1e843f0900bea92fcb47f6205e1f9ffb0d469c
Patch-mainline: v4.13-rc1
References: bsc#1052904

The argument to sched_clock_idle_wakeup_event() has not been used in a
long time. Remove it.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>

---
 arch/x86/kernel/tsc.c       | 2 +-
 include/linux/sched/clock.h | 4 ++--
 kernel/sched/clock.c        | 4 ++--
 kernel/time/tick-sched.c    | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index c1b16b328abe..a3b544264360 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -182,7 +182,7 @@ static void __set_cyc2ns_scale(unsigned long khz, int cpu, unsigned long long ts
 	c2n->data[1] = data;
 
 done:
-	sched_clock_idle_wakeup_event(0);
+	sched_clock_idle_wakeup_event();
 	local_irq_restore(flags);
 }
 
diff --git a/include/linux/sched/clock.h b/include/linux/sched/clock.h
index 978cbb0af5f3..9c36f0722966 100644
--- a/include/linux/sched/clock.h
+++ b/include/linux/sched/clock.h
@@ -39,7 +39,7 @@ static inline void sched_clock_idle_sleep_event(void)
 {
 }
 
-static inline void sched_clock_idle_wakeup_event(u64 delta_ns)
+static inline void sched_clock_idle_wakeup_event(void)
 {
 }
 
@@ -66,7 +66,7 @@ extern u64 __sched_clock_offset;
 extern void sched_clock_tick(void);
 extern void sched_clock_tick_stable(void);
 extern void sched_clock_idle_sleep_event(void);
-extern void sched_clock_idle_wakeup_event(u64 delta_ns);
+extern void sched_clock_idle_wakeup_event(void);
 
 /*
  * As outlined in clock.c, provides a fast, high resolution, nanosecond
diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c
index f861637f7fdc..750a92c9db7e 100644
--- a/kernel/sched/clock.c
+++ b/kernel/sched/clock.c
@@ -410,9 +410,9 @@ void sched_clock_idle_sleep_event(void)
 EXPORT_SYMBOL_GPL(sched_clock_idle_sleep_event);
 
 /*
- * We just idled delta nanoseconds (called with irqs disabled):
+ * We just idled; resync with ktime. (called with irqs disabled):
  */
-void sched_clock_idle_wakeup_event(u64 delta_ns)
+void sched_clock_idle_wakeup_event(void)
 {
 	if (timekeeping_suspended)
 		return;
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 64c97fc130c4..9c2dc64e31d8 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -554,7 +554,7 @@ static void tick_nohz_stop_idle(struct tick_sched *ts, ktime_t now)
 	update_ts_time_stats(smp_processor_id(), ts, now, NULL);
 	ts->idle_active = 0;
 
-	sched_clock_idle_wakeup_event(0);
+	sched_clock_idle_wakeup_event();
 }
 
 static ktime_t tick_nohz_start_idle(struct tick_sched *ts)
-- 
2.12.0