projects / mirror_ubuntu-artful-kernel.git / blame
| 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 | ||
| 13 | #include <linux/kernel.h> | |
| 14 | #include <linux/module.h> | |
| 15 | #include <linux/cpufreq.h> | |
| 16 | #include <linux/init.h> | |
| 17 | ||
| e08f5f5b GS |
18 | #define dprintk(msg...) \ |
| 19 | cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "performance", msg) | |
| 1da177e4 LT |
20 | |
| 21 | ||
| 22 | static int cpufreq_governor_performance(struct cpufreq_policy *policy, | |
| 23 | unsigned int event) | |
| 24 | { | |
| 25 | switch (event) { | |
| 26 | case CPUFREQ_GOV_START: | |
| 27 | case CPUFREQ_GOV_LIMITS: | |
| e08f5f5b GS |
28 | dprintk("setting to %u kHz because of event %u\n", |
| 29 | policy->max, event); | |
| 30 | __cpufreq_driver_target(policy, policy->max, | |
| 31 | CPUFREQ_RELATION_H); | |
| 1da177e4 LT |
32 | break; |
| 33 | default: | |
| 34 | break; | |
| 35 | } | |
| 36 | return 0; | |
| 37 | } | |
| 32ee8c3e | 38 | |
| 1da177e4 LT |
39 | struct cpufreq_governor cpufreq_gov_performance = { |
| 40 | .name = "performance", | |
| 41 | .governor = cpufreq_governor_performance, | |
| 42 | .owner = THIS_MODULE, | |
| 43 | }; | |
| 44 | EXPORT_SYMBOL(cpufreq_gov_performance); | |
| 45 | ||
| 46 | ||
| 47 | static int __init cpufreq_gov_performance_init(void) | |
| 48 | { | |
| 49 | return cpufreq_register_governor(&cpufreq_gov_performance); | |
| 50 | } | |
| 51 | ||
| 52 | ||
| 53 | static void __exit cpufreq_gov_performance_exit(void) | |
| 54 | { | |
| 55 | cpufreq_unregister_governor(&cpufreq_gov_performance); | |
| 56 | } | |
| 57 | ||
| 58 | ||
| 59 | MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>"); | |
| 60 | MODULE_DESCRIPTION("CPUfreq policy governor 'performance'"); | |
| 61 | MODULE_LICENSE("GPL"); | |
| 62 | ||
| 63 | fs_initcall(cpufreq_gov_performance_init); | |
| 64 | module_exit(cpufreq_gov_performance_exit); |