License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[linux-block.git] / drivers / usb / gadget / configfs.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef USB__GADGET__CONFIGFS__H
3 #define USB__GADGET__CONFIGFS__H
4
5 #include <linux/configfs.h>
6
7 void unregister_gadget_item(struct config_item *item);
8
9 struct config_group *usb_os_desc_prepare_interf_dir(
10                 struct config_group *parent,
11                 int n_interf,
12                 struct usb_os_desc **desc,
13                 char **names,
14                 struct module *owner);
15
16 static inline struct usb_os_desc *to_usb_os_desc(struct config_item *item)
17 {
18         return container_of(to_config_group(item), struct usb_os_desc, group);
19 }
20
21 #endif /*  USB__GADGET__CONFIGFS__H */