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

   1/*
   2 * Industrial I/O configfs bits
   3 *
   4 * Copyright (c) 2015 Intel Corporation
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms of the GNU General Public License version 2 as published by
   8 * the Free Software Foundation.
   9 */
  10
  11#include <linux/configfs.h>
  12#include <linux/module.h>
  13#include <linux/init.h>
  14#include <linux/kmod.h>
  15#include <linux/slab.h>
  16
  17#include <linux/iio/iio.h>
  18#include <linux/iio/configfs.h>
  19
  20static const struct config_item_type iio_root_group_type = {
  21        .ct_owner       = THIS_MODULE,
  22};
  23
  24struct configfs_subsystem iio_configfs_subsys = {
  25        .su_group = {
  26                .cg_item = {
  27                        .ci_namebuf = "iio",
  28                        .ci_type = &iio_root_group_type,
  29                },
  30        },
  31        .su_mutex = __MUTEX_INITIALIZER(iio_configfs_subsys.su_mutex),
  32};
  33EXPORT_SYMBOL(iio_configfs_subsys);
  34
  35static int __init iio_configfs_init(void)
  36{
  37        config_group_init(&iio_configfs_subsys.su_group);
  38
  39        return configfs_register_subsystem(&iio_configfs_subsys);
  40}
  41module_init(iio_configfs_init);
  42
  43static void __exit iio_configfs_exit(void)
  44{
  45        configfs_unregister_subsystem(&iio_configfs_subsys);
  46}
  47module_exit(iio_configfs_exit);
  48
  49MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
  50MODULE_DESCRIPTION("Industrial I/O configfs support");
  51MODULE_LICENSE("GPL v2");
  52