linux-kernel - [PATCH 11/12] cpufreq: governor: Make dbs_data

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Message-ID: <1655404.H6dIaK3J3n@vostro.rjw.lan>
Date:	Thu, 18 Feb 2016 02:33:43 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Linux PM list <linux-pm@...r.kernel.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH 11/12] cpufreq: governor: Make dbs_data_mutex static

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

That mutex is only used by cpufreq_governor_dbs() and it doesn't
need to be exported to modules, so make it static and drop the
export incantation.

No functional changes.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/cpufreq/cpufreq_governor.c |    3 +--
 drivers/cpufreq/cpufreq_governor.h |    1 -
 2 files changed, 1 insertion(+), 3 deletions(-)

Index: linux-pm/drivers/cpufreq/cpufreq_governor.c
===================================================================
--- linux-pm.orig/drivers/cpufreq/cpufreq_governor.c
+++ linux-pm/drivers/cpufreq/cpufreq_governor.c
@@ -24,8 +24,7 @@
 
 static DEFINE_PER_CPU(struct cpu_dbs_info, cpu_dbs);
 
-DEFINE_MUTEX(dbs_data_mutex);
-EXPORT_SYMBOL_GPL(dbs_data_mutex);
+static DEFINE_MUTEX(dbs_data_mutex);
 
 /* Common sysfs tunables */
 /**
Index: linux-pm/drivers/cpufreq/cpufreq_governor.h
===================================================================
--- linux-pm.orig/drivers/cpufreq/cpufreq_governor.h
+++ linux-pm/drivers/cpufreq/cpufreq_governor.h
@@ -178,7 +178,6 @@ struct od_ops {
 			unsigned int freq_next, unsigned int relation);
 };
 
-extern struct mutex dbs_data_mutex;
 unsigned int dbs_update(struct cpufreq_policy *policy);
 int cpufreq_governor_dbs(struct cpufreq_policy *policy, unsigned int event);
 void od_register_powersave_bias_handler(unsigned int (*f)