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()
166 		ep->retire_data_urb(ep->data_subs, urb_ctx->urb);  in retire_outbound_urb()
172 	struct urb *urb = urb_ctx->urb;  in retire_inbound_urb()  local
180 		snd_usb_handle_sync_urb(ep->sync_slave, ep, urb);  in retire_inbound_urb()
183 		ep->retire_data_urb(ep->data_subs, urb);  in retire_inbound_urb()
189 	struct urb *urb = ctx->urb;  in prepare_silent_urb()  local
211 		urb->iso_frame_desc[i].offset = offset;  in prepare_silent_urb()
212 		urb->iso_frame_desc[i].length = length + extra;  in prepare_silent_urb()
215 			memcpy(urb->transfer_buffer + offset,  in prepare_silent_urb()
218 		memset(urb->transfer_buffer + offset + extra,  in prepare_silent_urb()
223 	urb->number_of_packets = ctx->packets;  in prepare_silent_urb()
224 	urb->transfer_buffer_length = offs * ep->stride + ctx->packets * extra;  in prepare_silent_urb()
233 	struct urb *urb = ctx->urb;  in prepare_outbound_urb()  local
234 	unsigned char *cp = urb->transfer_buffer;  in prepare_outbound_urb()
236 	urb->dev = ep->chip->dev; /* we need to set this at each time */  in prepare_outbound_urb()
241 			ep->prepare_data_urb(ep->data_subs, urb);  in prepare_outbound_urb()
254 			urb->iso_frame_desc[0].length = 4;  in prepare_outbound_urb()
255 			urb->iso_frame_desc[0].offset = 0;  in prepare_outbound_urb()
265 			urb->iso_frame_desc[0].length = 3;  in prepare_outbound_urb()
266 			urb->iso_frame_desc[0].offset = 0;  in prepare_outbound_urb()
283 	struct urb *urb = urb_ctx->urb;  in prepare_inbound_urb()  local
285 	urb->dev = ep->chip->dev; /* we need to set this at each time */  in prepare_inbound_urb()
291 			urb->iso_frame_desc[i].offset = offs;  in prepare_inbound_urb()
292 			urb->iso_frame_desc[i].length = ep->curpacksize;  in prepare_inbound_urb()
296 		urb->transfer_buffer_length = offs;  in prepare_inbound_urb()
297 		urb->number_of_packets = urb_ctx->packets;  in prepare_inbound_urb()
301 		urb->iso_frame_desc[0].length = min(4u, ep->syncmaxsize);  in prepare_inbound_urb()
302 		urb->iso_frame_desc[0].offset = 0;  in prepare_inbound_urb()
355 		err = usb_submit_urb(ctx->urb, GFP_ATOMIC);  in queue_pending_output_urbs()
359 				ctx->index, err, ctx->urb);  in queue_pending_output_urbs()
368 static void snd_complete_urb(struct urb *urb)  in snd_complete_urb()  argument
370 	struct snd_urb_ctx *ctx = urb->context;  in snd_complete_urb()
376 	if (unlikely(urb->status == -ENOENT ||		/* unlinked */  in snd_complete_urb()
377 		     urb->status == -ENODEV ||		/* device removed */  in snd_complete_urb()
378 		     urb->status == -ECONNRESET ||	/* unlinked */  in snd_complete_urb()
379 		     urb->status == -ESHUTDOWN))	/* device disabled */  in snd_complete_urb()
413 	err = usb_submit_urb(urb, GFP_ATOMIC);  in snd_complete_urb()
574 				struct urb *u = ep->urb[i].urb;  in deactivate_urbs()
599 		release_urb_ctx(&ep->urb[i]);  in release_urbs()
772 		struct snd_urb_ctx *u = &ep->urb[i];  in data_ep_set_params()
780 		u->urb = usb_alloc_urb(u->packets, GFP_KERNEL);  in data_ep_set_params()
781 		if (!u->urb)  in data_ep_set_params()
784 		u->urb->transfer_buffer =  in data_ep_set_params()
786 					   GFP_KERNEL, &u->urb->transfer_dma);  in data_ep_set_params()
787 		if (!u->urb->transfer_buffer)  in data_ep_set_params()
789 		u->urb->pipe = ep->pipe;  in data_ep_set_params()
790 		u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in data_ep_set_params()
791 		u->urb->interval = 1 << ep->datainterval;  in data_ep_set_params()
792 		u->urb->context = u;  in data_ep_set_params()
793 		u->urb->complete = snd_complete_urb;  in data_ep_set_params()
817 		struct snd_urb_ctx *u = &ep->urb[i];  in sync_ep_set_params()
821 		u->urb = usb_alloc_urb(1, GFP_KERNEL);  in sync_ep_set_params()
822 		if (!u->urb)  in sync_ep_set_params()
824 		u->urb->transfer_buffer = ep->syncbuf + i * 4;  in sync_ep_set_params()
825 		u->urb->transfer_dma = ep->sync_dma + i * 4;  in sync_ep_set_params()
826 		u->urb->transfer_buffer_length = 4;  in sync_ep_set_params()
827 		u->urb->pipe = ep->pipe;  in sync_ep_set_params()
828 		u->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in sync_ep_set_params()
829 		u->urb->number_of_packets = 1;  in sync_ep_set_params()
830 		u->urb->interval = 1 << ep->syncinterval;  in sync_ep_set_params()
831 		u->urb->context = u;  in sync_ep_set_params()
832 		u->urb->complete = snd_complete_urb;  in sync_ep_set_params()
963 			struct snd_urb_ctx *ctx = ep->urb + i;  in snd_usb_endpoint_start()
971 		struct urb *urb = ep->urb[i].urb;  in snd_usb_endpoint_start()  local
973 		if (snd_BUG_ON(!urb))  in snd_usb_endpoint_start()
977 			prepare_outbound_urb(ep, urb->context);  in snd_usb_endpoint_start()
979 			prepare_inbound_urb(ep, urb->context);  in snd_usb_endpoint_start()
982 		err = usb_submit_urb(urb, GFP_ATOMIC);  in snd_usb_endpoint_start()
1088 			     const struct urb *urb)  in snd_usb_handle_sync_urb()  argument
1110 		in_ctx = urb->context;  in snd_usb_handle_sync_urb()
1114 			if (urb->iso_frame_desc[i].status == 0)  in snd_usb_handle_sync_urb()
1115 				bytes += urb->iso_frame_desc[i].actual_length;  in snd_usb_handle_sync_urb()
1139 			if (urb->iso_frame_desc[i].status == 0)  in snd_usb_handle_sync_urb()
1141 					urb->iso_frame_desc[i].actual_length / sender->stride;  in snd_usb_handle_sync_urb()
1169 	if (urb->iso_frame_desc[0].status != 0 ||  in snd_usb_handle_sync_urb()
1170 	    urb->iso_frame_desc[0].actual_length < 3)  in snd_usb_handle_sync_urb()
1173 	f = le32_to_cpup(urb->transfer_buffer);  in snd_usb_handle_sync_urb()
1174 	if (urb->iso_frame_desc[0].actual_length == 3)  in snd_usb_handle_sync_urb()