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 
cpufreq_gov_performance_limits(struct cpufreq_policy * policy)14 static 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 
20 static struct cpufreq_governor cpufreq_gov_performance = {
21 	.name		= "performance",
22 	.owner		= THIS_MODULE,
23 	.flags		= CPUFREQ_GOV_STRICT_TARGET,
24 	.limits		= cpufreq_gov_performance_limits,
25 };
26 
27 #ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
cpufreq_default_governor(void)28 struct cpufreq_governor *cpufreq_default_governor(void)
29 {
30 	return &cpufreq_gov_performance;
31 }
32 #endif
33 #ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
cpufreq_fallback_governor(void)34 struct cpufreq_governor *cpufreq_fallback_governor(void)
35 {
36 	return &cpufreq_gov_performance;
37 }
38 #endif
39 
40 MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
41 MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
42 MODULE_LICENSE("GPL");
43 
44 cpufreq_governor_init(cpufreq_gov_performance);
45 cpufreq_governor_exit(cpufreq_gov_performance);
46