// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/cpufreq/cpufreq_powersave.c * * Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de> */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/cpufreq.h> #include <linux/init.h> #include <linux/module.h> static void cpufreq_gov_powersave_limits(struct cpufreq_policy *policy) { pr_debug("setting to %u kHz\n", policy->min); __cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L); } static struct cpufreq_governor cpufreq_gov_powersave = { .name = "powersave", .limits = cpufreq_gov_powersave_limits, .owner = THIS_MODULE, }; static int __init cpufreq_gov_powersave_init(void) { return cpufreq_register_governor(&cpufreq_gov_powersave); } static void __exit cpufreq_gov_powersave_exit(void) { cpufreq_unregister_governor(&cpufreq_gov_powersave); } MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>"); MODULE_DESCRIPTION("CPUfreq policy governor 'powersave'"); MODULE_LICENSE("GPL"); #ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE struct cpufreq_governor *cpufreq_default_governor(void) { return &cpufreq_gov_powersave; } core_initcall(cpufreq_gov_powersave_init); #else module_init(cpufreq_gov_powersave_init); #endif module_exit(cpufreq_gov_powersave_exit);