140 static void rpipe_init(struct wa_rpipe *rpipe)  in rpipe_init()  argument
142 	kref_init(&rpipe->refcnt);  in rpipe_init()
143 	spin_lock_init(&rpipe->seg_lock);  in rpipe_init()
144 	INIT_LIST_HEAD(&rpipe->seg_list);  in rpipe_init()
145 	INIT_LIST_HEAD(&rpipe->list_node);  in rpipe_init()
172 	struct wa_rpipe *rpipe = container_of(_rpipe, struct wa_rpipe, refcnt);  in rpipe_destroy()  local
173 	u8 index = le16_to_cpu(rpipe->descr.wRPipeIndex);  in rpipe_destroy()
175 	if (rpipe->ep)  in rpipe_destroy()
176 		rpipe->ep->hcpriv = NULL;  in rpipe_destroy()
177 	rpipe_put_idx(rpipe->wa, index);  in rpipe_destroy()
178 	wa_put(rpipe->wa);  in rpipe_destroy()
179 	kfree(rpipe);  in rpipe_destroy()
198 	struct wa_rpipe *rpipe;  in rpipe_get_idle()  local
201 	rpipe = kzalloc(sizeof(*rpipe), gfp);  in rpipe_get_idle()
202 	if (rpipe == NULL)  in rpipe_get_idle()
204 	rpipe_init(rpipe);  in rpipe_get_idle()
211 		result =  __rpipe_get_descr(wa, &rpipe->descr, rpipe_idx);  in rpipe_get_idle()
215 		else if ((rpipe->descr.bmCharacteristics & crs) != 0)  in rpipe_get_idle()
220 	kfree(rpipe);  in rpipe_get_idle()
225 	rpipe->wa = wa_get(wa);  in rpipe_get_idle()
226 	*prpipe = rpipe;  in rpipe_get_idle()
313 static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa,  in rpipe_aim()  argument
330 	__rpipe_reset(wa, le16_to_cpu(rpipe->descr.wRPipeIndex));  in rpipe_aim()
331 	atomic_set(&rpipe->segs_available,  in rpipe_aim()
332 		le16_to_cpu(rpipe->descr.wRequests));  in rpipe_aim()
335 	rpipe->descr.wBlocks = cpu_to_le16(16);		/* given */  in rpipe_aim()
338 		rpipe->descr.wMaxPacketSize = epcd->wOverTheAirPacketSize;  in rpipe_aim()
340 		rpipe->descr.wMaxPacketSize = ep->desc.wMaxPacketSize;  in rpipe_aim()
342 	rpipe->descr.hwa_bMaxBurst = max(min_t(unsigned int,  in rpipe_aim()
344 	rpipe->descr.hwa_bDeviceInfoIndex =  in rpipe_aim()
347 	rpipe->descr.bSpeed = usb_pipeendpoint(urb->pipe) == 0 ?  in rpipe_aim()
352 		le16_to_cpu(rpipe->descr.wRPipeIndex),  in rpipe_aim()
353 		usb_pipeendpoint(urb->pipe), rpipe->descr.bSpeed);  in rpipe_aim()
355 	rpipe->descr.hwa_reserved = 0;  in rpipe_aim()
357 	rpipe->descr.bEndpointAddress = ep->desc.bEndpointAddress;  in rpipe_aim()
359 	rpipe->descr.bDataSequence = 0;  in rpipe_aim()
362 	ack_window = 0xFFFFFFFF >> (32 - rpipe->descr.hwa_bMaxBurst);  in rpipe_aim()
363 	rpipe->descr.dwCurrentWindow = cpu_to_le32(ack_window);  in rpipe_aim()
366 	rpipe->descr.bMaxDataSequence = epcd_max_sequence - 1;  in rpipe_aim()
367 	rpipe->descr.bInterval = ep->desc.bInterval;  in rpipe_aim()
369 		rpipe->descr.bOverTheAirInterval = epcd->bOverTheAirInterval;  in rpipe_aim()
371 		rpipe->descr.bOverTheAirInterval = 0;	/* 0 if not isoc */  in rpipe_aim()
373 	rpipe->descr.bmAttribute = (ep->desc.bmAttributes &  in rpipe_aim()
376 	rpipe->descr.bmRetryOptions = (wa->wusb->retry_count & 0xF);  in rpipe_aim()
378 	rpipe->descr.wNumTransactionErrors = 0;  in rpipe_aim()
379 	result = __rpipe_set_descr(wa, &rpipe->descr,  in rpipe_aim()
380 				   le16_to_cpu(rpipe->descr.wRPipeIndex));  in rpipe_aim()
396 static int rpipe_check_aim(const struct wa_rpipe *rpipe, const struct wahc *wa,  in rpipe_check_aim()  argument
406 		if (rpipe->descr.rdf != (val)) {			\  in rpipe_check_aim()
409 				rpipe->descr.rdf, (val));		\  in rpipe_check_aim()
442 	struct wa_rpipe *rpipe;  in rpipe_get_by_ep()  local
446 	rpipe = ep->hcpriv;  in rpipe_get_by_ep()
447 	if (rpipe != NULL) {  in rpipe_get_by_ep()
449 			result = rpipe_check_aim(rpipe, wa, ep, urb, gfp);  in rpipe_get_by_ep()
453 		__rpipe_get(rpipe);  in rpipe_get_by_ep()
456 			le16_to_cpu(rpipe->descr.wRPipeIndex));  in rpipe_get_by_ep()
461 		result = rpipe_get_idle(&rpipe, wa, 1 << eptype, gfp);  in rpipe_get_by_ep()
464 		result = rpipe_aim(rpipe, wa, ep, urb, gfp);  in rpipe_get_by_ep()
466 			rpipe_put(rpipe);  in rpipe_get_by_ep()
469 		ep->hcpriv = rpipe;  in rpipe_get_by_ep()
470 		rpipe->ep = ep;  in rpipe_get_by_ep()
471 		__rpipe_get(rpipe);	/* for caching into ep->hcpriv */  in rpipe_get_by_ep()
474 			le16_to_cpu(rpipe->descr.wRPipeIndex));  in rpipe_get_by_ep()
518 	struct wa_rpipe *rpipe;  in rpipe_ep_disable()  local
521 	rpipe = ep->hcpriv;  in rpipe_ep_disable()
522 	if (rpipe != NULL) {  in rpipe_ep_disable()
523 		u16 index = le16_to_cpu(rpipe->descr.wRPipeIndex);  in rpipe_ep_disable()
530 		rpipe_put(rpipe);  in rpipe_ep_disable()
539 	struct wa_rpipe *rpipe;  in rpipe_clear_feature_stalled()  local
542 	rpipe = ep->hcpriv;  in rpipe_clear_feature_stalled()
543 	if (rpipe != NULL) {  in rpipe_clear_feature_stalled()
544 		u16 index = le16_to_cpu(rpipe->descr.wRPipeIndex);  in rpipe_clear_feature_stalled()