2 * linux/drivers/cpufreq/cpufreq_performance.c
4 * Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
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.
13 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
15 #include <linux/cpufreq.h>
16 #include <linux/init.h>
17 #include <linux/module.h>
19 static int cpufreq_governor_performance(struct cpufreq_policy *policy,
23 case CPUFREQ_GOV_START:
24 case CPUFREQ_GOV_LIMITS:
25 pr_debug("setting to %u kHz because of event %u\n",
27 __cpufreq_driver_target(policy, policy->max,
36 static struct cpufreq_governor cpufreq_gov_performance = {
37 .name = "performance",
38 .governor = cpufreq_governor_performance,
42 static int __init cpufreq_gov_performance_init(void)
44 return cpufreq_register_governor(&cpufreq_gov_performance);
47 static void __exit cpufreq_gov_performance_exit(void)
49 cpufreq_unregister_governor(&cpufreq_gov_performance);
52 #ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
53 struct cpufreq_governor *cpufreq_default_governor(void)
55 return &cpufreq_gov_performance;
58 #ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
59 struct cpufreq_governor *cpufreq_fallback_governor(void)
61 return &cpufreq_gov_performance;
65 MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
66 MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
67 MODULE_LICENSE("GPL");
69 fs_initcall(cpufreq_gov_performance_init);
70 module_exit(cpufreq_gov_performance_exit);