28 static void usb_api_blocking_completion(struct urb *urb)  in usb_api_blocking_completion()  argument
30 	struct api_context *ctx = urb->context;  in usb_api_blocking_completion()
32 	ctx->status = urb->status;  in usb_api_blocking_completion()
43 static int usb_start_wait_urb(struct urb *urb, int timeout, int *actual_length)  in usb_start_wait_urb()  argument
50 	urb->context = &ctx;  in usb_start_wait_urb()
51 	urb->actual_length = 0;  in usb_start_wait_urb()
52 	retval = usb_submit_urb(urb, GFP_NOIO);  in usb_start_wait_urb()
58 		usb_kill_urb(urb);  in usb_start_wait_urb()
61 		dev_dbg(&urb->dev->dev,  in usb_start_wait_urb()
64 			usb_endpoint_num(&urb->ep->desc),  in usb_start_wait_urb()
65 			usb_urb_dir_in(urb) ? "in" : "out",  in usb_start_wait_urb()
66 			urb->actual_length,  in usb_start_wait_urb()
67 			urb->transfer_buffer_length);  in usb_start_wait_urb()
72 		*actual_length = urb->actual_length;  in usb_start_wait_urb()
74 	usb_free_urb(urb);  in usb_start_wait_urb()
85 	struct urb *urb;  in usb_internal_control_msg()  local
89 	urb = usb_alloc_urb(0, GFP_NOIO);  in usb_internal_control_msg()
90 	if (!urb)  in usb_internal_control_msg()
93 	usb_fill_control_urb(urb, usb_dev, pipe, (unsigned char *)cmd, data,  in usb_internal_control_msg()
96 	retv = usb_start_wait_urb(urb, timeout, &length);  in usb_internal_control_msg()
226 	struct urb *urb;  in usb_bulk_msg()  local
233 	urb = usb_alloc_urb(0, GFP_KERNEL);  in usb_bulk_msg()
234 	if (!urb)  in usb_bulk_msg()
240 		usb_fill_int_urb(urb, usb_dev, pipe, data, len,  in usb_bulk_msg()
244 		usb_fill_bulk_urb(urb, usb_dev, pipe, data, len,  in usb_bulk_msg()
247 	return usb_start_wait_urb(urb, timeout, actual_length);  in usb_bulk_msg()
264 static void sg_complete(struct urb *urb)  in sg_complete()  argument
266 	struct usb_sg_request *io = urb->context;  in sg_complete()
267 	int status = urb->status;  in sg_complete()
284 			&& urb->actual_length) {  in sg_complete()
288 			usb_endpoint_num(&urb->ep->desc),  in sg_complete()
289 			usb_urb_dir_in(urb) ? "in" : "out",  in sg_complete()
316 			} else if (urb == io->urbs[i])  in sg_complete()
323 	io->bytes += urb->actual_length;  in sg_complete()
395 		struct urb *urb;  in usb_sg_init()  local
398 		urb = usb_alloc_urb(0, mem_flags);  in usb_sg_init()
399 		if (!urb) {  in usb_sg_init()
403 		io->urbs[i] = urb;  in usb_sg_init()
405 		urb->dev = NULL;  in usb_sg_init()
406 		urb->pipe = pipe;  in usb_sg_init()
407 		urb->interval = period;  in usb_sg_init()
408 		urb->transfer_flags = urb_flags;  in usb_sg_init()
409 		urb->complete = sg_complete;  in usb_sg_init()
410 		urb->context = io;  in usb_sg_init()
411 		urb->sg = sg;  in usb_sg_init()
415 			urb->transfer_buffer = NULL;  in usb_sg_init()
416 			urb->num_sgs = nents;  in usb_sg_init()
434 				urb->transfer_buffer = sg_virt(sg);  in usb_sg_init()
436 				urb->transfer_buffer = NULL;  in usb_sg_init()
446 		urb->transfer_buffer_length = len;  in usb_sg_init()