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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/drivers/cpufreq/cpufreq_performance.c
4 *
5 * Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
6 */
7
8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
9
10#include <linux/cpufreq.h>
11#include <linux/init.h>
12#include <linux/module.h>
13
14static void cpufreq_gov_performance_limits(struct cpufreq_policy *policy)
15{
16 pr_debug("setting to %u kHz\n", policy->max);
17 __cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);
18}
19
20static struct cpufreq_governor cpufreq_gov_performance = {
21 .name = "performance",
22 .owner = THIS_MODULE,
23 .limits = cpufreq_gov_performance_limits,
24};
25
26static int __init cpufreq_gov_performance_init(void)
27{
28 return cpufreq_register_governor(&cpufreq_gov_performance);
29}
30
31static void __exit cpufreq_gov_performance_exit(void)
32{
33 cpufreq_unregister_governor(&cpufreq_gov_performance);
34}
35
36#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
37struct cpufreq_governor *cpufreq_default_governor(void)
38{
39 return &cpufreq_gov_performance;
40}
41#endif
42#ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
43struct cpufreq_governor *cpufreq_fallback_governor(void)
44{
45 return &cpufreq_gov_performance;
46}
47#endif
48
49MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
50MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
51MODULE_LICENSE("GPL");
52
53fs_initcall(cpufreq_gov_performance_init);
54module_exit(cpufreq_gov_performance_exit);