OpenCloudOS-Kernel/drivers/cpufreq/cpufreq_performance.c

46 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/cpufreq/cpufreq_performance.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_performance_limits(struct cpufreq_policy *policy)
{
pr_debug("setting to %u kHz\n", policy->max);
__cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H);
}
static struct cpufreq_governor cpufreq_gov_performance = {
.name = "performance",
.owner = THIS_MODULE,
.flags = CPUFREQ_GOV_STRICT_TARGET,
.limits = cpufreq_gov_performance_limits,
};
#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE
struct cpufreq_governor *cpufreq_default_governor(void)
{
return &cpufreq_gov_performance;
}
#endif
#ifndef CONFIG_CPU_FREQ_GOV_PERFORMANCE_MODULE
struct cpufreq_governor *cpufreq_fallback_governor(void)
{
return &cpufreq_gov_performance;
}
#endif
MODULE_AUTHOR("Dominik Brodowski <linux@brodo.de>");
MODULE_DESCRIPTION("CPUfreq policy governor 'performance'");
MODULE_LICENSE("GPL");
cpufreq_governor_init(cpufreq_gov_performance);
cpufreq_governor_exit(cpufreq_gov_performance);