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, target_freq: policy->max, CPUFREQ_RELATION_H);
18}
19
20static 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
28struct cpufreq_governor *cpufreq_default_governor(void)
29{
30 return &cpufreq_gov_performance;
31}
32#endif
33#ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
34struct cpufreq_governor *cpufreq_fallback_governor(void)
35{
36 return &cpufreq_gov_performance;
37}
38#endif
39
40MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
41MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
42MODULE_LICENSE("GPL");
43
44cpufreq_governor_init(cpufreq_gov_performance);
45cpufreq_governor_exit(cpufreq_gov_performance);
46