[mirror_ubuntu-bionic-kernel.git] / drivers / cpufreq / cpufreq_performance.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 void cpufreq_gov_performance_limits(struct cpufreq_policy *policy)
{
	pr_debug("setting to %u kHz\n", policy->max);
	__cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);
}

static struct cpufreq_governor cpufreq_gov_performance = {
	.name		= "performance",
	.owner		= THIS_MODULE,
	.limits		= cpufreq_gov_performance_limits,
};

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);
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/drivers/cpufreq/cpufreq_performance.c
	3	*
	4	* Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
	5	*
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*
	11	*/
	12
db701151 VK	13	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
db701151 VK	14
1da177e4 LT	15	#include <linux/cpufreq.h>
1da177e4 LT	16	#include <linux/init.h>
5ff0a268	17	#include <linux/module.h>
1da177e4	18
e788892b	19	static void cpufreq_gov_performance_limits(struct cpufreq_policy *policy)
1da177e4	20	{
e788892b RW	21	pr_debug("setting to %u kHz\n", policy->max);
e788892b RW	22	__cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);
1da177e4	23	}
32ee8c3e	24
de1df26b	25	static struct cpufreq_governor cpufreq_gov_performance = {
1da177e4	26	.name = "performance",
1da177e4	27	.owner = THIS_MODULE,
e788892b	28	.limits = cpufreq_gov_performance_limits,
1da177e4	29	};
1da177e4	30
1da177e4 LT	31	static int __init cpufreq_gov_performance_init(void)
	32	{
	33	return cpufreq_register_governor(&cpufreq_gov_performance);
	34	}
	35
1da177e4 LT	36	static void __exit cpufreq_gov_performance_exit(void)
	37	{
	38	cpufreq_unregister_governor(&cpufreq_gov_performance);
	39	}
	40
de1df26b RW	41	#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
	42	struct cpufreq_governor *cpufreq_default_governor(void)
	43	{
	44	return &cpufreq_gov_performance;
	45	}
	46	#endif
	47	#ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
	48	struct cpufreq_governor *cpufreq_fallback_governor(void)
	49	{
	50	return &cpufreq_gov_performance;
	51	}
	52	#endif
	53
1da177e4 LT	54	MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
	55	MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
	56	MODULE_LICENSE("GPL");
	57
	58	fs_initcall(cpufreq_gov_performance_init);
	59	module_exit(cpufreq_gov_performance_exit);