51 	struct urb *last_data_urb;
88 static void sd_isoc_irq(struct urb *urb);
179 	struct urb *urb;  in sd_start()  local
210 		urb = usb_alloc_urb(SD_NPKT, GFP_KERNEL);  in sd_start()
211 		if (!urb) {  in sd_start()
215 		gspca_dev->urb[n] = urb;  in sd_start()
216 		urb->transfer_buffer = usb_alloc_coherent(gspca_dev->dev,  in sd_start()
219 						&urb->transfer_dma);  in sd_start()
220 		if (urb->transfer_buffer == NULL) {  in sd_start()
225 		urb->dev = gspca_dev->dev;  in sd_start()
226 		urb->context = gspca_dev;  in sd_start()
227 		urb->transfer_buffer_length = packet_size * SD_NPKT;  in sd_start()
228 		urb->pipe = usb_rcvisocpipe(gspca_dev->dev,  in sd_start()
230 		urb->transfer_flags = URB_ISO_ASAP  in sd_start()
232 		urb->interval = 1;  in sd_start()
233 		urb->complete = sd_isoc_irq;  in sd_start()
234 		urb->number_of_packets = SD_NPKT;  in sd_start()
236 			urb->iso_frame_desc[i].length = packet_size;  in sd_start()
237 			urb->iso_frame_desc[i].offset = packet_size * i;  in sd_start()
261 static void sd_isoc_irq(struct urb *urb)  in sd_isoc_irq()  argument
263 	struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;  in sd_isoc_irq()
265 	struct urb *data_urb, *status_urb;  in sd_isoc_irq()
273 	if (urb->status != 0) {  in sd_isoc_irq()
274 		if (urb->status == -ESHUTDOWN)  in sd_isoc_irq()
280 		PERR("urb status: %d", urb->status);  in sd_isoc_irq()
281 		st = usb_submit_urb(urb, GFP_ATOMIC);  in sd_isoc_irq()
288 	if (urb->transfer_buffer_length > 32) {  in sd_isoc_irq()
289 		sd->last_data_urb = urb;  in sd_isoc_irq()
293 	status_urb = urb;  in sd_isoc_irq()