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

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Message-ID: <20160218060935.GQ2610@vireshk-i7>
Date:	Thu, 18 Feb 2016 11:39:35 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 11/12] cpufreq: governor: Make dbs_data_mutex static

On 18-02-16, 02:33, Rafael J. Wysocki wrote:
> 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)


Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
-- 
viresh