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()
572 				struct urb *u = ep->urb[i].urb;  in deactivate_urbs()  local
573 				usb_unlink_urb(u);  in deactivate_urbs()
756 		struct snd_urb_ctx *u = &ep->urb[i];  in data_ep_set_params()  local
757 		u->index = i;  in data_ep_set_params()
758 		u->ep = ep;  in data_ep_set_params()
759 		u->packets = urb_packs;  in data_ep_set_params()
760 		u->buffer_size = maxsize * u->packets;  in data_ep_set_params()
763 			u->packets++; /* for transfer delimiter */  in data_ep_set_params()
764 		u->urb = usb_alloc_urb(u->packets, GFP_KERNEL);  in data_ep_set_params()
765 		if (!u->urb)  in data_ep_set_params()
768 		u->urb->transfer_buffer =  in data_ep_set_params()
769 			usb_alloc_coherent(ep->chip->dev, u->buffer_size,  in data_ep_set_params()
770 					   GFP_KERNEL, &u->urb->transfer_dma);  in data_ep_set_params()
771 		if (!u->urb->transfer_buffer)  in data_ep_set_params()
773 		u->urb->pipe = ep->pipe;  in data_ep_set_params()
774 		u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in data_ep_set_params()
775 		u->urb->interval = 1 << ep->datainterval;  in data_ep_set_params()
776 		u->urb->context = u;  in data_ep_set_params()
777 		u->urb->complete = snd_complete_urb;  in data_ep_set_params()
778 		INIT_LIST_HEAD(&u->ready_list);  in data_ep_set_params()
801 		struct snd_urb_ctx *u = &ep->urb[i];  in sync_ep_set_params()  local
802 		u->index = i;  in sync_ep_set_params()
803 		u->ep = ep;  in sync_ep_set_params()
804 		u->packets = 1;  in sync_ep_set_params()
805 		u->urb = usb_alloc_urb(1, GFP_KERNEL);  in sync_ep_set_params()
806 		if (!u->urb)  in sync_ep_set_params()
808 		u->urb->transfer_buffer = ep->syncbuf + i * 4;  in sync_ep_set_params()
809 		u->urb->transfer_dma = ep->sync_dma + i * 4;  in sync_ep_set_params()
810 		u->urb->transfer_buffer_length = 4;  in sync_ep_set_params()
811 		u->urb->pipe = ep->pipe;  in sync_ep_set_params()
812 		u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in sync_ep_set_params()
813 		u->urb->number_of_packets = 1;  in sync_ep_set_params()
814 		u->urb->interval = 1 << ep->syncinterval;  in sync_ep_set_params()
815 		u->urb->context = u;  in sync_ep_set_params()
816 		u->urb->complete = snd_complete_urb;  in sync_ep_set_params()