2011-10-01 16:19:34 -06:00
|
|
|
/*
|
|
|
|
* linux/drivers/devfreq/governor_performance.c
|
|
|
|
*
|
|
|
|
* Copyright (C) 2011 Samsung Electronics
|
|
|
|
* MyungJoo Ham <myungjoo.ham@samsung.com>
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
|
|
* published by the Free Software Foundation.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <linux/devfreq.h>
|
2012-04-29 14:51:31 -06:00
|
|
|
#include "governor.h"
|
2011-10-01 16:19:34 -06:00
|
|
|
|
|
|
|
static int devfreq_performance_func(struct devfreq *df,
|
|
|
|
unsigned long *freq)
|
|
|
|
{
|
|
|
|
/*
|
|
|
|
* target callback should be able to get floor value as
|
|
|
|
* said in devfreq.h
|
|
|
|
*/
|
2011-12-09 00:42:19 -07:00
|
|
|
if (!df->max_freq)
|
|
|
|
*freq = UINT_MAX;
|
|
|
|
else
|
|
|
|
*freq = df->max_freq;
|
2011-10-01 16:19:34 -06:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-04-29 14:51:31 -06:00
|
|
|
static int performance_init(struct devfreq *devfreq)
|
|
|
|
{
|
|
|
|
return update_devfreq(devfreq);
|
|
|
|
}
|
|
|
|
|
2011-10-01 16:19:34 -06:00
|
|
|
const struct devfreq_governor devfreq_performance = {
|
|
|
|
.name = "performance",
|
2012-04-29 14:51:31 -06:00
|
|
|
.init = performance_init,
|
2011-10-01 16:19:34 -06:00
|
|
|
.get_target_freq = devfreq_performance_func,
|
|
|
|
.no_central_polling = true,
|
|
|
|
};
|