1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * linux/drivers/cpufreq/cpufreq_powersave.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_powersave_limits(struct cpufreq_policy *policy)
15{
16	pr_debug("setting to %u kHz\n", policy->min);
17	__cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);
18}
19
20static struct cpufreq_governor cpufreq_gov_powersave = {
21	.name		= "powersave",
22	.limits		= cpufreq_gov_powersave_limits,
23	.owner		= THIS_MODULE,
24	.flags		= CPUFREQ_GOV_STRICT_TARGET,
25};
26
 
 
 
 
 
 
 
 
 
 
27MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
28MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'");
29MODULE_LICENSE("GPL");
30
31#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
32struct cpufreq_governor *cpufreq_default_governor(void)
33{
34	return &cpufreq_gov_powersave;
35}
36#endif
37
38cpufreq_governor_init(cpufreq_gov_powersave);
39cpufreq_governor_exit(cpufreq_gov_powersave);
 
 
 

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * linux/drivers/cpufreq/cpufreq_powersave.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_powersave_limits(struct cpufreq_policy *policy)
15{
16	pr_debug("setting to %u kHz\n", policy->min);
17	__cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);
18}
19
20static struct cpufreq_governor cpufreq_gov_powersave = {
21	.name		= "powersave",
22	.limits		= cpufreq_gov_powersave_limits,
23	.owner		= THIS_MODULE,
 
24};
25
26static int __init cpufreq_gov_powersave_init(void)
27{
28	return cpufreq_register_governor(&cpufreq_gov_powersave);
29}
30
31static void __exit cpufreq_gov_powersave_exit(void)
32{
33	cpufreq_unregister_governor(&cpufreq_gov_powersave);
34}
35
36MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
37MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'");
38MODULE_LICENSE("GPL");
39
40#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
41struct cpufreq_governor *cpufreq_default_governor(void)
42{
43	return &cpufreq_gov_powersave;
44}
 
45
46fs_initcall(cpufreq_gov_powersave_init);
47#else
48module_init(cpufreq_gov_powersave_init);
49#endif
50module_exit(cpufreq_gov_powersave_exit);