186 struct wahc {  struct
193 		struct dwahc *dwa;  argument
196 	const struct usb_endpoint_descriptor *dto_epd, *dti_epd;
197 	const struct usb_wa_descriptor *wa_descr;
199 	struct urb *nep_urb;		/* Notification EndPoint [lockless] */
200 	struct edc nep_edc;
201 	void *nep_buffer;
202 	size_t nep_buffer_size;
204 	atomic_t notifs_queued;
206 	u16 rpipes;
207 	unsigned long *rpipe_bm;	/* rpipe usage bitmap */
208 	struct list_head rpipe_delayed_list;	/* delayed RPIPES. */
209 	spinlock_t rpipe_lock;	/* protect rpipe_bm and delayed list */
210 	struct mutex rpipe_mutex;	/* assigning resources to endpoints */
218 	enum wa_dti_state dti_state;
219 	u32 dti_isoc_xfer_in_progress;
220 	u8  dti_isoc_xfer_seg;
221 	struct urb *dti_urb;		/* URB for reading xfer results */
223 	struct urb buf_in_urbs[WA_MAX_BUF_IN_URBS];
224 	int active_buf_in_urbs;		/* number of buf_in_urbs active. */
225 	struct edc dti_edc;		/* DTI error density counter */
249 extern int wa_create(struct wahc *wa, struct usb_interface *iface,  argument