diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_performance.c')
-rw-r--r-- | drivers/cpufreq/cpufreq_performance.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_performance.c b/drivers/cpufreq/cpufreq_performance.c new file mode 100644 index 000000000..dafb679ad --- /dev/null +++ b/drivers/cpufreq/cpufreq_performance.c @@ -0,0 +1,59 @@ +/* + * 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); |