1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 549f5382b01a..9c3903d76781 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -80,12 +80,16 @@ struct usb_os_desc_ext_prop {
  * @ext_prop: Extended Properties list
  * @ext_prop_len: Total length of Extended Properties blobs
  * @ext_prop_count: Number of Extended Properties
+ * @opts_mutex: Optional mutex protecting config data of a usb_function_instance
+ * @group: Represents OS descriptors associated with an interface in configfs
  */
 struct usb_os_desc {
         char                    *ext_compat_id;
         struct list_head        ext_prop;
         int                     ext_prop_len;
         int                     ext_prop_count;
+        struct mutex            *opts_mutex;
+        struct config_group     group;
 };
 
 /**
@@ -381,6 +385,8 @@ extern void usb_composite_unregister(struct usb_composite_driver *driver);
 extern void usb_composite_setup_continue(struct usb_composite_dev *cdev);
 extern int composite_dev_prepare(struct usb_composite_driver *composite,
                 struct usb_composite_dev *cdev);
+extern int composite_os_desc_req_prepare(struct usb_composite_dev *cdev,
+                                         struct usb_ep *ep0);
 void composite_dev_cleanup(struct usb_composite_dev *cdev);
 
 static inline struct usb_composite_driver *to_cdriver(