40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
* linux/drivers/cpufreq/cpufreq_powersave.c
|
||
|
|
*
|
||
|
|
* Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
||
|
|
|
||
|
|
#include <linux/cpufreq.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
|
||
|
|
static void cpufreq_gov_powersave_limits(struct cpufreq_policy *policy)
|
||
|
|
{
|
||
|
|
pr_debug("setting to %u kHz\n", policy->min);
|
||
|
|
__cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct cpufreq_governor cpufreq_gov_powersave = {
|
||
|
|
.name = "powersave",
|
||
|
|
.limits = cpufreq_gov_powersave_limits,
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.flags = CPUFREQ_GOV_STRICT_TARGET,
|
||
|
|
};
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
|
||
|
|
MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'");
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
|
||
|
|
#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
|
||
|
|
struct cpufreq_governor *cpufreq_default_governor(void)
|
||
|
|
{
|
||
|
|
return &cpufreq_gov_powersave;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
cpufreq_governor_init(cpufreq_gov_powersave);
|
||
|
|
cpufreq_governor_exit(cpufreq_gov_powersave);
|