linux/drivers/acpi/ec_sys.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * ec_sys.c
 *
 * Copyright (C) 2010 SUSE Products GmbH/Novell
 * Author:
 *      Thomas Renninger <[email protected]>
 */

#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/debugfs.h>
#include <linux/module.h>
#include <linux/uaccess.h>
#include "internal.h"

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;

static bool write_support;
module_param_hw(write_support, bool, other, 0644);
MODULE_PARM_DESC(…) …;

#define EC_SPACE_SIZE …

static struct dentry *acpi_ec_debugfs_dir;

static ssize_t acpi_ec_read_io(struct file *f, char __user *buf,
			       size_t count, loff_t *off)
{ … }

static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf,
				size_t count, loff_t *off)
{ … }

static const struct file_operations acpi_ec_io_ops = …;

static void acpi_ec_add_debugfs(struct acpi_ec *ec, unsigned int ec_device_count)
{ … }

static int __init acpi_ec_sys_init(void)
{ … }

static void __exit acpi_ec_sys_exit(void)
{ … }

module_init(…) …;
module_exit(acpi_ec_sys_exit);