2019-06-04 16:11:33 +08:00
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// SPDX-License-Identifier: GPL-2.0-only
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2005-04-17 06:20:36 +08:00
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/*
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2013-06-19 16:49:33 +08:00
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* linux/drivers/cpufreq/cpufreq_powersave.c
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2005-04-17 06:20:36 +08:00
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*
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2013-06-19 16:49:33 +08:00
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* Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
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2005-04-17 06:20:36 +08:00
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*/
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2012-10-23 07:29:03 +08:00
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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2005-04-17 06:20:36 +08:00
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#include <linux/cpufreq.h>
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#include <linux/init.h>
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2013-08-07 01:23:03 +08:00
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#include <linux/module.h>
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2005-04-17 06:20:36 +08:00
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2016-06-03 05:24:15 +08:00
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static void cpufreq_gov_powersave_limits(struct cpufreq_policy *policy)
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2005-04-17 06:20:36 +08:00
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{
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2016-06-03 05:24:15 +08:00
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pr_debug("setting to %u kHz\n", policy->min);
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__cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);
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2005-04-17 06:20:36 +08:00
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}
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2006-02-28 13:43:23 +08:00
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2016-02-05 09:37:42 +08:00
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static struct cpufreq_governor cpufreq_gov_powersave = {
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2005-04-17 06:20:36 +08:00
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.name = "powersave",
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2016-06-03 05:24:15 +08:00
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.limits = cpufreq_gov_powersave_limits,
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2005-04-17 06:20:36 +08:00
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.owner = THIS_MODULE,
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};
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MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
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MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'");
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MODULE_LICENSE("GPL");
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2008-04-19 04:31:13 +08:00
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#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
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2016-02-05 09:37:42 +08:00
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struct cpufreq_governor *cpufreq_default_governor(void)
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{
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return &cpufreq_gov_powersave;
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}
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2008-04-19 04:31:13 +08:00
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#endif
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2020-06-29 16:24:59 +08:00
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cpufreq_governor_init(cpufreq_gov_powersave);
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cpufreq_governor_exit(cpufreq_gov_powersave);
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