Merge tag 'xfs-for-linus-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / drivers / cpufreq / cpufreq_performance.c
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
14
15 #include <linux/cpufreq.h>
16 #include <linux/init.h>
17 #include <linux/module.h>
18
19 static void cpufreq_gov_performance_limits(struct cpufreq_policy *policy)
20 {
21         pr_debug("setting to %u kHz\n", policy->max);
22         __cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);
23 }
24
25 static struct cpufreq_governor cpufreq_gov_performance = {
26         .name           = "performance",
27         .owner          = THIS_MODULE,
28         .limits         = cpufreq_gov_performance_limits,
29 };
30
31 static int __init cpufreq_gov_performance_init(void)
32 {
33         return cpufreq_register_governor(&cpufreq_gov_performance);
34 }
35
36 static void __exit cpufreq_gov_performance_exit(void)
37 {
38         cpufreq_unregister_governor(&cpufreq_gov_performance);
39 }
40
41 #ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
42 struct cpufreq_governor *cpufreq_default_governor(void)
43 {
44         return &cpufreq_gov_performance;
45 }
46 #endif
47 #ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
48 struct cpufreq_governor *cpufreq_fallback_governor(void)
49 {
50         return &cpufreq_gov_performance;
51 }
52 #endif
53
54 MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
55 MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
56 MODULE_LICENSE("GPL");
57
58 fs_initcall(cpufreq_gov_performance_init);
59 module_exit(cpufreq_gov_performance_exit);