linux-kernel - [PATCH] cpufreq: stats: Change return type of cpufreq_stats

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Message-Id: <2d7702d02aba4d70f8d9a3e3612a7daea97aa3f5.1515036227.git.viresh.kumar@linaro.org>
Date:   Thu,  4 Jan 2018 08:53:54 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Rafael Wysocki <rjw@...ysocki.net>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>, linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] cpufreq: stats: Change return type of cpufreq_stats_update() as void

It always returns 0 and none of its callers check its return value. Make
it return void.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/cpufreq/cpufreq_stats.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index 1e55b5790853..1572129844a5 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -27,7 +27,7 @@ struct cpufreq_stats {
 	unsigned int *trans_table;
 };
 
-static int cpufreq_stats_update(struct cpufreq_stats *stats)
+static void cpufreq_stats_update(struct cpufreq_stats *stats)
 {
 	unsigned long long cur_time = get_jiffies_64();
 
@@ -35,7 +35,6 @@ static int cpufreq_stats_update(struct cpufreq_stats *stats)
 	stats->time_in_state[stats->last_index] += cur_time - stats->last_time;
 	stats->last_time = cur_time;
 	spin_unlock(&cpufreq_stats_lock);
-	return 0;
 }
 
 static void cpufreq_stats_clear_table(struct cpufreq_stats *stats)
-- 
2.15.0.194.g9af6a3dea062