linux/drivers/cpufreq/cpufreq_performance.c
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   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, 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