LXR linux/drivers/iio/industrialio-configfs.c

   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(&iio_configfs_subsys.su_group);
  35
  36        return configfs_register_subsystem(&iio_configfs_subsys);
  37}
  38module_init(iio_configfs_init);
  39
  40static void __exit iio_configfs_exit(void)
  41{
  42        configfs_unregister_subsystem(&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