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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * linux/drivers/cpufreq/cpufreq_powersave.c4 *5 * Copyright (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>6 */7 8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt9 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_POWERSAVE32struct cpufreq_governor *cpufreq_default_governor(void)33{34 return &cpufreq_gov_powersave;35}36#endif37 38cpufreq_governor_init(cpufreq_gov_powersave);39cpufreq_governor_exit(cpufreq_gov_powersave);40