linux/drivers/devfreq/governor_userspace.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 *  linux/drivers/devfreq/governor_userspace.c
 *
 *  Copyright (C) 2011 Samsung Electronics
 *	MyungJoo Ham <[email protected]>
 */

#include <linux/slab.h>
#include <linux/device.h>
#include <linux/devfreq.h>
#include <linux/pm.h>
#include <linux/mutex.h>
#include <linux/module.h>
#include "governor.h"

struct userspace_data { … };

static int devfreq_userspace_func(struct devfreq *df, unsigned long *freq)
{ … }

static ssize_t set_freq_store(struct device *dev, struct device_attribute *attr,
			      const char *buf, size_t count)
{ … }

static ssize_t set_freq_show(struct device *dev,
			     struct device_attribute *attr, char *buf)
{ … }

static DEVICE_ATTR_RW(set_freq);
static struct attribute *dev_entries[] = …;
static const struct attribute_group dev_attr_group = …;

static int userspace_init(struct devfreq *devfreq)
{ … }

static void userspace_exit(struct devfreq *devfreq)
{ … }

static int devfreq_userspace_handler(struct devfreq *devfreq,
			unsigned int event, void *data)
{ … }

static struct devfreq_governor devfreq_userspace = …;

static int __init devfreq_userspace_init(void)
{ … }
subsys_initcall(devfreq_userspace_init);

static void __exit devfreq_userspace_exit(void)
{ … }
module_exit(devfreq_userspace_exit);
MODULE_LICENSE(…) …;