config: tegra3: enable /dev mount with ACL
[linux-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 #include <linux/kernel.h>
14 #include <linux/module.h>
15 #include <linux/cpufreq.h>
16 #include <linux/init.h>
17
18
19 static int cpufreq_governor_performance(struct cpufreq_policy *policy,
20                                         unsigned int event)
21 {
22         switch (event) {
23         case CPUFREQ_GOV_START:
24         case CPUFREQ_GOV_LIMITS:
25                 pr_debug("setting to %u kHz because of event %u\n",
26                                                 policy->max, event);
27                 __cpufreq_driver_target(policy, policy->max,
28                                                 CPUFREQ_RELATION_H);
29                 break;
30         default:
31                 break;
32         }
33         return 0;
34 }
35
36 #ifdef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
37 static
38 #endif
39 struct cpufreq_governor cpufreq_gov_performance = {
40         .name           = "performance",
41         .governor       = cpufreq_governor_performance,
42         .owner          = THIS_MODULE,
43 };
44
45
46 static int __init cpufreq_gov_performance_init(void)
47 {
48         return cpufreq_register_governor(&cpufreq_gov_performance);
49 }
50
51
52 static void __exit cpufreq_gov_performance_exit(void)
53 {
54         cpufreq_unregister_governor(&cpufreq_gov_performance);
55 }
56
57
58 MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
59 MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
60 MODULE_LICENSE("GPL");
61
62 fs_initcall(cpufreq_gov_performance_init);
63 module_exit(cpufreq_gov_performance_exit);