mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 04:34:11 +08:00
de1df26b7c
The preprocessor magic used for setting the default cpufreq governor (and for using the performance governor as a fallback one for that matter) is really nasty, so replace it with __weak functions and overrides. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Saravana Kannan <skannan@codeaurora.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/*
|
|
* linux/drivers/cpufreq/cpufreq_performance.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.
|
|
*
|
|
*/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include <linux/cpufreq.h>
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
|
|
static int cpufreq_governor_performance(struct cpufreq_policy *policy,
|
|
unsigned int event)
|
|
{
|
|
switch (event) {
|
|
case CPUFREQ_GOV_START:
|
|
case CPUFREQ_GOV_LIMITS:
|
|
pr_debug("setting to %u kHz because of event %u\n",
|
|
policy->max, event);
|
|
__cpufreq_driver_target(policy, policy->max,
|
|
CPUFREQ_RELATION_H);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct cpufreq_governor cpufreq_gov_performance = {
|
|
.name = "performance",
|
|
.governor = cpufreq_governor_performance,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static int __init cpufreq_gov_performance_init(void)
|
|
{
|
|
return cpufreq_register_governor(&cpufreq_gov_performance);
|
|
}
|
|
|
|
static void __exit cpufreq_gov_performance_exit(void)
|
|
{
|
|
cpufreq_unregister_governor(&cpufreq_gov_performance);
|
|
}
|
|
|
|
#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
|
|
struct cpufreq_governor *cpufreq_default_governor(void)
|
|
{
|
|
return &cpufreq_gov_performance;
|
|
}
|
|
#endif
|
|
#ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
|
|
struct cpufreq_governor *cpufreq_fallback_governor(void)
|
|
{
|
|
return &cpufreq_gov_performance;
|
|
}
|
|
#endif
|
|
|
|
MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
|
|
MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
fs_initcall(cpufreq_gov_performance_init);
|
|
module_exit(cpufreq_gov_performance_exit);
|