87 static void release_urb_ctx(struct snd_urb_ctx *u)  in release_urb_ctx()  argument
89 	if (u->buffer_size)  in release_urb_ctx()
90 		usb_free_coherent(u->ep->chip->dev, u->buffer_size,  in release_urb_ctx()
91 				  u->urb->transfer_buffer,  in release_urb_ctx()
92 				  u->urb->transfer_dma);  in release_urb_ctx()
93 	usb_free_urb(u->urb);  in release_urb_ctx()
94 	u->urb = NULL;  in release_urb_ctx()
549 				struct urb *u = ep->urb[i].urb;  in deactivate_urbs()  local
550 				usb_unlink_urb(u);  in deactivate_urbs()
710 		struct snd_urb_ctx *u = &ep->urb[i];  in data_ep_set_params()  local
711 		u->index = i;  in data_ep_set_params()
712 		u->ep = ep;  in data_ep_set_params()
713 		u->packets = urb_packs;  in data_ep_set_params()
714 		u->buffer_size = maxsize * u->packets;  in data_ep_set_params()
717 			u->packets++; /* for transfer delimiter */  in data_ep_set_params()
718 		u->urb = usb_alloc_urb(u->packets, GFP_KERNEL);  in data_ep_set_params()
719 		if (!u->urb)  in data_ep_set_params()
722 		u->urb->transfer_buffer =  in data_ep_set_params()
723 			usb_alloc_coherent(ep->chip->dev, u->buffer_size,  in data_ep_set_params()
724 					   GFP_KERNEL, &u->urb->transfer_dma);  in data_ep_set_params()
725 		if (!u->urb->transfer_buffer)  in data_ep_set_params()
727 		u->urb->pipe = ep->pipe;  in data_ep_set_params()
728 		u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in data_ep_set_params()
729 		u->urb->interval = 1 << ep->datainterval;  in data_ep_set_params()
730 		u->urb->context = u;  in data_ep_set_params()
731 		u->urb->complete = snd_complete_urb;  in data_ep_set_params()
732 		INIT_LIST_HEAD(&u->ready_list);  in data_ep_set_params()
755 		struct snd_urb_ctx *u = &ep->urb[i];  in sync_ep_set_params()  local
756 		u->index = i;  in sync_ep_set_params()
757 		u->ep = ep;  in sync_ep_set_params()
758 		u->packets = 1;  in sync_ep_set_params()
759 		u->urb = usb_alloc_urb(1, GFP_KERNEL);  in sync_ep_set_params()
760 		if (!u->urb)  in sync_ep_set_params()
762 		u->urb->transfer_buffer = ep->syncbuf + i * 4;  in sync_ep_set_params()
763 		u->urb->transfer_dma = ep->sync_dma + i * 4;  in sync_ep_set_params()
764 		u->urb->transfer_buffer_length = 4;  in sync_ep_set_params()
765 		u->urb->pipe = ep->pipe;  in sync_ep_set_params()
766 		u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in sync_ep_set_params()
767 		u->urb->number_of_packets = 1;  in sync_ep_set_params()
768 		u->urb->interval = 1 << ep->syncinterval;  in sync_ep_set_params()
769 		u->urb->context = u;  in sync_ep_set_params()
770 		u->urb->complete = snd_complete_urb;  in sync_ep_set_params()