mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 22:53:55 +08:00
c4d14bc0bb
We don't need to export the governors for use as the default governor, because the default governor will be built-in anyway and we can access the symbol directly. This also fixes the following sparse warnings: drivers/cpufreq/cpufreq_conservative.c:578:25: warning: symbol 'cpufreq_gov_conservative' was not declared. Should it be static? drivers/cpufreq/cpufreq_ondemand.c:582:25: warning: symbol 'cpufreq_gov_ondemand' was not declared. Should it be static? drivers/cpufreq/cpufreq_performance.c:39:25: warning: symbol 'cpufreq_gov_performance' was not declared. Should it be static? drivers/cpufreq/cpufreq_powersave.c:38:25: warning: symbol 'cpufreq_gov_powersave' was not declared. Should it be static? drivers/cpufreq/cpufreq_userspace.c:190:25: warning: symbol 'cpufreq_gov_userspace' was not declared. Should it be static? Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Signed-off-by: Dave Jones <davej@redhat.com>
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
/*
|
|
* linux/drivers/cpufreq/cpufreq_powersave.c
|
|
*
|
|
* Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
|
|
*
|
|
*
|
|
* 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/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/cpufreq.h>
|
|
#include <linux/init.h>
|
|
|
|
#define dprintk(msg...) \
|
|
cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "powersave", msg)
|
|
|
|
static int cpufreq_governor_powersave(struct cpufreq_policy *policy,
|
|
unsigned int event)
|
|
{
|
|
switch (event) {
|
|
case CPUFREQ_GOV_START:
|
|
case CPUFREQ_GOV_LIMITS:
|
|
dprintk("setting to %u kHz because of event %u\n",
|
|
policy->min, event);
|
|
__cpufreq_driver_target(policy, policy->min,
|
|
CPUFREQ_RELATION_L);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifndef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
|
|
static
|
|
#endif
|
|
struct cpufreq_governor cpufreq_gov_powersave = {
|
|
.name = "powersave",
|
|
.governor = cpufreq_governor_powersave,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static int __init cpufreq_gov_powersave_init(void)
|
|
{
|
|
return cpufreq_register_governor(&cpufreq_gov_powersave);
|
|
}
|
|
|
|
|
|
static void __exit cpufreq_gov_powersave_exit(void)
|
|
{
|
|
cpufreq_unregister_governor(&cpufreq_gov_powersave);
|
|
}
|
|
|
|
|
|
MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
|
|
MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
|
|
fs_initcall(cpufreq_gov_powersave_init);
|
|
#else
|
|
module_init(cpufreq_gov_powersave_init);
|
|
#endif
|
|
module_exit(cpufreq_gov_powersave_exit);
|