linux-kernel - Re: [PATCH v2] drivers: cpufreq: Mark function as static in cpufreq.c

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Date:	Wed, 26 Feb 2014 08:52:49 -0800
From:	Dirk Brandewie <dirk.brandewie@...il.com>
To:	Josh Triplett <josh@...htriplett.org>,
	Rashika Kheria <rashika.kheria@...il.com>
CC:	dirk.brandewie@...il.com, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Viresh Kumar <viresh.kumar@...aro.org>, cpufreq@...r.kernel.org
Subject: Re: [PATCH v2] drivers: cpufreq: Mark function as static in cpufreq.c

On 02/26/2014 08:41 AM, Josh Triplett wrote:
> On Wed, Feb 26, 2014 at 10:08:26PM +0530, Rashika Kheria wrote:
>> Mark function as static in cpufreq.c because it is not
>> used outside this file.
>>
>> This eliminates the following warning in cpufreq.c:
>> drivers/cpufreq/cpufreq.c:355:9: warning: no previous prototype for ‘show_boost’ [-Wmissing-prototypes]
>>
>> Signed-off-by: Rashika Kheria <rashika.kheria@...il.com>
>
> I don't see any uses of this function in cpufreq.c; have uses appeared
> in a development branch?
>

This is a sysfs accessor used to control the boost feature it is not used by the
core but userspace.


>>   drivers/cpufreq/cpufreq.c |    2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
>> index 08ca8c9..54fd670 100644
>> --- a/drivers/cpufreq/cpufreq.c
>> +++ b/drivers/cpufreq/cpufreq.c
>> @@ -352,7 +352,7 @@ EXPORT_SYMBOL_GPL(cpufreq_notify_post_transition);
>>   /*********************************************************************
>>    *                          SYSFS INTERFACE                          *
>>    *********************************************************************/
>> -ssize_t show_boost(struct kobject *kobj,
>> +static ssize_t show_boost(struct kobject *kobj,
>>   				 struct attribute *attr, char *buf)
>>   {
>>   	return sprintf(buf, "%d\n", cpufreq_driver->boost_enabled);
>> --
>> 1.7.9.5
>>
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