mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
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>
30 lines
722 B
C
30 lines
722 B
C
/*
|
|
* linux/drivers/devfreq/governor_powersave.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>
|
|
|
|
static int devfreq_powersave_func(struct devfreq *df,
|
|
unsigned long *freq)
|
|
{
|
|
/*
|
|
* target callback should be able to get ceiling value as
|
|
* said in devfreq.h
|
|
*/
|
|
*freq = df->min_freq;
|
|
return 0;
|
|
}
|
|
|
|
const struct devfreq_governor devfreq_powersave = {
|
|
.name = "powersave",
|
|
.get_target_freq = devfreq_powersave_func,
|
|
.no_central_polling = true,
|
|
};
|