1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Industrial I/O configfs bits
4 *
5 * Copyright (c) 2015 Intel Corporation
6 */
7
8#include <linux/configfs.h>
9#include <linux/module.h>
10#include <linux/init.h>
11#include <linux/kmod.h>
12#include <linux/slab.h>
13
14#include <linux/iio/iio.h>
15#include <linux/iio/configfs.h>
16
17static const struct config_item_type iio_root_group_type = {
18 .ct_owner = THIS_MODULE,
19};
20
21struct configfs_subsystem iio_configfs_subsys = {
22 .su_group = {
23 .cg_item = {
24 .ci_namebuf = "iio",
25 .ci_type = &iio_root_group_type,
26 },
27 },
28 .su_mutex = __MUTEX_INITIALIZER(iio_configfs_subsys.su_mutex),
29};
30EXPORT_SYMBOL(iio_configfs_subsys);
31
32static int __init iio_configfs_init(void)
33{
34 config_group_init(group: &iio_configfs_subsys.su_group);
35
36 return configfs_register_subsystem(subsys: &iio_configfs_subsys);
37}
38module_init(iio_configfs_init);
39
40static void __exit iio_configfs_exit(void)
41{
42 configfs_unregister_subsystem(subsys: &iio_configfs_subsys);
43}
44module_exit(iio_configfs_exit);
45
46MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
47MODULE_DESCRIPTION("Industrial I/O configfs support");
48MODULE_LICENSE("GPL v2");
49

source code of linux/drivers/iio/industrialio-configfs.c