6530b9dea1
The frequency requested to devfreq device driver from devfreq governors is restricted by min_freq and max_freq input. Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
32 lines
779 B
C
32 lines
779 B
C
/*
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* linux/drivers/devfreq/governor_performance.c
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*
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* Copyright (C) 2011 Samsung Electronics
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* MyungJoo Ham <myungjoo.ham@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/devfreq.h>
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static int devfreq_performance_func(struct devfreq *df,
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unsigned long *freq)
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{
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/*
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* target callback should be able to get floor value as
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* said in devfreq.h
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*/
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if (!df->max_freq)
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*freq = UINT_MAX;
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else
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*freq = df->max_freq;
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return 0;
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}
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const struct devfreq_governor devfreq_performance = {
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.name = "performance",
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.get_target_freq = devfreq_performance_func,
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.no_central_polling = true,
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};
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