linux-kernel - [PATCH 08/16] hrtimer: make switch_hrtimer

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Message-Id: <d43b5d11a1d15aab34e51fc6adbdbd140ca62518.1396006658.git.viresh.kumar@linaro.org>
Date:	Fri, 28 Mar 2014 17:11:27 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	tglx@...utronix.de
Cc:	linaro-kernel@...ts.linaro.org, linux-kernel@...r.kernel.org,
	fweisbec@...il.com, linaro-networking@...aro.org,
	Arvind.Chauhan@....com, Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH 08/16] hrtimer: make switch_hrtimer_base() return void

switch_hrtimer_base() always sets timer->base to the right base and so the
caller can obtain it easily. So, this routine doesn't need to return anything.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 kernel/hrtimer.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 98a73d9..d98c1ec 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -194,8 +194,7 @@ hrtimer_check_target(struct hrtimer *timer, struct hrtimer_clock_base *new_base)
 /*
  * Switch the timer base to the current CPU when possible.
  */
-static inline struct hrtimer_clock_base *
-switch_hrtimer_base(struct hrtimer *timer, int pinned)
+static inline void switch_hrtimer_base(struct hrtimer *timer, int pinned)
 {
 	struct hrtimer_clock_base *new_base, *base = timer->base;
 	struct hrtimer_cpu_base *new_cpu_base;
@@ -217,7 +216,7 @@ again:
 		 * the timer is enqueued.
 		 */
 		if (unlikely(hrtimer_callback_running(timer)))
-			return base;
+			return;
 
 		/* See the comment in lock_timer_base() */
 		timer->base = NULL;
@@ -233,7 +232,6 @@ again:
 		}
 		timer->base = new_base;
 	}
-	return new_base;
 }
 
 #else /* CONFIG_SMP */
@@ -248,7 +246,7 @@ lock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)
 	return base;
 }
 
-# define switch_hrtimer_base(t, p)	(t->base)
+static inline void switch_hrtimer_base(struct hrtimer *timer, int pinned) {}
 
 #endif	/* !CONFIG_SMP */
 
@@ -952,7 +950,8 @@ int __hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
 	ret = remove_hrtimer(timer);
 
 	/* Switch the timer base, if necessary: */
-	new_base = switch_hrtimer_base(timer, mode & HRTIMER_MODE_PINNED);
+	switch_hrtimer_base(timer, mode & HRTIMER_MODE_PINNED);
+	new_base = timer->base;
 
 	if (mode & HRTIMER_MODE_REL) {
 		tim = ktime_add_safe(tim, new_base->get_time());
-- 
1.7.12.rc2.18.g61b472e

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