// SPDX-License-Identifier: GPL-2.0-only/* *  linux/drivers/devfreq/governor_performance.c * *  Copyright (C) 2011 Samsung Electronics *	MyungJoo Ham <myungjoo.ham@samsung.com> */ #include <linux/devfreq.h>#include <linux/devfreq-governor.h>#include <linux/module.h> static int devfreq_performance_func(struct devfreq *df,				    unsigned long *freq){	/*	 * target callback should be able to get floor value as	 * said in devfreq.h	 */	*freq = DEVFREQ_MAX_FREQ;	return 0;} static int devfreq_performance_handler(struct devfreq *devfreq,				unsigned int event, void *data){	int ret = 0; 	if (event == DEVFREQ_GOV_START) {		mutex_lock(&devfreq->lock);		ret = update_devfreq(devfreq);		mutex_unlock(&devfreq->lock);	} 	return ret;} static struct devfreq_governor devfreq_performance = {	.name = DEVFREQ_GOV_PERFORMANCE,	.get_target_freq = devfreq_performance_func,	.event_handler = devfreq_performance_handler,}; static int __init devfreq_performance_init(void){	return devfreq_add_governor(&devfreq_performance);}subsys_initcall(devfreq_performance_init); static void __exit devfreq_performance_exit(void){	int ret; 	ret = devfreq_remove_governor(&devfreq_performance);	if (ret)		pr_err("%s: failed remove governor %d\n", __func__, ret); 	return;}module_exit(devfreq_performance_exit);MODULE_DESCRIPTION("DEVFREQ Performance governor");MODULE_LICENSE("GPL");