diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_performance.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_performance.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_performance.c b/drivers/cpufreq/cpufreq_performance.c new file mode 100644 index 000000000..cf117deb3 --- /dev/null +++ b/drivers/cpufreq/cpufreq_performance.c @@ -0,0 +1,60 @@ +/* + * 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; +} + +#ifdef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE +static +#endif +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); +} + +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); |