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
13#include <linux/kernel.h>
14#include <linux/module.h>
15#include <linux/cpufreq.h>
16#include <linux/init.h>
17
18
19static int cpufreq_governor_performance(struct cpufreq_policy *policy,
20					unsigned int event)
21{
22	switch (event) {
23	case CPUFREQ_GOV_START:
24	case CPUFREQ_GOV_LIMITS:
25		pr_debug("setting to %u kHz because of event %u\n",
26						policy->max, event);
27		__cpufreq_driver_target(policy, policy->max,
28						CPUFREQ_RELATION_H);
29		break;
30	default:
31		break;
32	}
33	return 0;
34}
35
36#ifdef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
37static
38#endif
39struct cpufreq_governor cpufreq_gov_performance = {
40	.name		= "performance",
41	.governor	= cpufreq_governor_performance,
42	.owner		= THIS_MODULE,
43};
44
45
46static int __init cpufreq_gov_performance_init(void)
47{
48	return cpufreq_register_governor(&cpufreq_gov_performance);
49}
50
51
52static void __exit cpufreq_gov_performance_exit(void)
53{
54	cpufreq_unregister_governor(&cpufreq_gov_performance);
55}
56
57
58MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
59MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
60MODULE_LICENSE("GPL");
61
62fs_initcall(cpufreq_gov_performance_init);
63module_exit(cpufreq_gov_performance_exit);

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 *  linux/drivers/cpufreq/cpufreq_performance.c
 4 *
 5 *  Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
 6 */
 7
 8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 9
10#include <linux/cpufreq.h>
11#include <linux/init.h>
12#include <linux/module.h>
13
14static void cpufreq_gov_performance_limits(struct cpufreq_policy *policy)
15{
16	pr_debug("setting to %u kHz\n", policy->max);
17	__cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);
18}
19
20static struct cpufreq_governor cpufreq_gov_performance = {
21	.name		= "performance",
22	.owner		= THIS_MODULE,
23	.flags		= CPUFREQ_GOV_STRICT_TARGET,
24	.limits		= cpufreq_gov_performance_limits,
25};
26
27#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
28struct cpufreq_governor *cpufreq_default_governor(void)
29{
30	return &cpufreq_gov_performance;
31}
32#endif
33#ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
34struct cpufreq_governor *cpufreq_fallback_governor(void)
35{
36	return &cpufreq_gov_performance;
37}
38#endif
39
40MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
41MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
42MODULE_LICENSE("GPL");
43
44cpufreq_governor_init(cpufreq_gov_performance);
45cpufreq_governor_exit(cpufreq_gov_performance);