30 static void sd_isoc_irq(struct urb *urb);
74 	struct urb *urb;  in sd_start()  local
84 		urb = usb_alloc_urb(SD_NPKT, GFP_KERNEL);  in sd_start()
85 		if (!urb)  in sd_start()
87 		gspca_dev->urb[n] = urb;  in sd_start()
88 		urb->transfer_buffer = usb_alloc_coherent(gspca_dev->dev,  in sd_start()
91 						&urb->transfer_dma);  in sd_start()
93 		if (urb->transfer_buffer == NULL) {  in sd_start()
97 		urb->dev = gspca_dev->dev;  in sd_start()
98 		urb->context = gspca_dev;  in sd_start()
99 		urb->transfer_buffer_length = SD_PKT_SZ * SD_NPKT;  in sd_start()
100 		urb->pipe = usb_rcvisocpipe(gspca_dev->dev,  in sd_start()
102 		urb->transfer_flags = URB_ISO_ASAP  in sd_start()
104 		urb->interval = 1;  in sd_start()
105 		urb->complete = sd_isoc_irq;  in sd_start()
106 		urb->number_of_packets = SD_NPKT;  in sd_start()
108 			urb->iso_frame_desc[i].length = SD_PKT_SZ;  in sd_start()
109 			urb->iso_frame_desc[i].offset = SD_PKT_SZ * i;  in sd_start()
139 static void sd_isoc_irq(struct urb *urb)  in sd_isoc_irq()  argument
141 	struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;  in sd_isoc_irq()
142 	struct urb *urb0;  in sd_isoc_irq()
149 	if (urb->status != 0) {  in sd_isoc_irq()
150 		if (urb->status == -ESHUTDOWN)  in sd_isoc_irq()
156 		pr_err("urb status: %d\n", urb->status);  in sd_isoc_irq()
161 	if (urb == gspca_dev->urb[0] || urb == gspca_dev->urb[2])  in sd_isoc_irq()
165 	if (urb == gspca_dev->urb[1])  in sd_isoc_irq()
166 		urb0 = gspca_dev->urb[0];  in sd_isoc_irq()
168 		urb0 = gspca_dev->urb[2];  in sd_isoc_irq()
169 	for (i = 0; i < urb->number_of_packets; i++) {  in sd_isoc_irq()
173 		    || urb->iso_frame_desc[i].actual_length != SD_PKT_SZ) {  in sd_isoc_irq()
176 				  urb->iso_frame_desc[i].actual_length);  in sd_isoc_irq()
182 			st = urb->iso_frame_desc[i].status;  in sd_isoc_irq()
222 		data = (u8 *) urb->transfer_buffer  in sd_isoc_irq()
223 					+ urb->iso_frame_desc[i].offset;  in sd_isoc_irq()
232 	st = usb_submit_urb(urb, GFP_ATOMIC);  in sd_isoc_irq()