1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Industrial I/O configfs bits 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (c) 2015 Intel Corporation 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <linux/configfs.h> 9*4882a593Smuzhiyun #include <linux/module.h> 10*4882a593Smuzhiyun #include <linux/init.h> 11*4882a593Smuzhiyun #include <linux/kmod.h> 12*4882a593Smuzhiyun #include <linux/slab.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #include <linux/iio/iio.h> 15*4882a593Smuzhiyun #include <linux/iio/configfs.h> 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun static const struct config_item_type iio_root_group_type = { 18*4882a593Smuzhiyun .ct_owner = THIS_MODULE, 19*4882a593Smuzhiyun }; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct configfs_subsystem iio_configfs_subsys = { 22*4882a593Smuzhiyun .su_group = { 23*4882a593Smuzhiyun .cg_item = { 24*4882a593Smuzhiyun .ci_namebuf = "iio", 25*4882a593Smuzhiyun .ci_type = &iio_root_group_type, 26*4882a593Smuzhiyun }, 27*4882a593Smuzhiyun }, 28*4882a593Smuzhiyun .su_mutex = __MUTEX_INITIALIZER(iio_configfs_subsys.su_mutex), 29*4882a593Smuzhiyun }; 30*4882a593Smuzhiyun EXPORT_SYMBOL(iio_configfs_subsys); 31*4882a593Smuzhiyun iio_configfs_init(void)32*4882a593Smuzhiyunstatic int __init iio_configfs_init(void) 33*4882a593Smuzhiyun { 34*4882a593Smuzhiyun config_group_init(&iio_configfs_subsys.su_group); 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun return configfs_register_subsystem(&iio_configfs_subsys); 37*4882a593Smuzhiyun } 38*4882a593Smuzhiyun module_init(iio_configfs_init); 39*4882a593Smuzhiyun iio_configfs_exit(void)40*4882a593Smuzhiyunstatic void __exit iio_configfs_exit(void) 41*4882a593Smuzhiyun { 42*4882a593Smuzhiyun configfs_unregister_subsystem(&iio_configfs_subsys); 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun module_exit(iio_configfs_exit); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>"); 47*4882a593Smuzhiyun MODULE_DESCRIPTION("Industrial I/O configfs support"); 48*4882a593Smuzhiyun MODULE_LICENSE("GPL v2"); 49