1232 static int uvc_submit_urb(struct uvc_urb *uvc_urb, gfp_t mem_flags)  in uvc_submit_urb()  argument
1235 	dma_sync_sgtable_for_device(uvc_stream_to_dmadev(uvc_urb->stream),  in uvc_submit_urb()
1236 				    uvc_urb->sgt,  in uvc_submit_urb()
1237 				    uvc_stream_dir(uvc_urb->stream));  in uvc_submit_urb()
1238 	return usb_submit_urb(uvc_urb->urb, mem_flags);  in uvc_submit_urb()
1249 	struct uvc_urb *uvc_urb = container_of(work, struct uvc_urb, work);  in uvc_video_copy_data_work()  local
1253 	for (i = 0; i < uvc_urb->async_operations; i++) {  in uvc_video_copy_data_work()
1254 		struct uvc_copy_op *op = &uvc_urb->copy_operations[i];  in uvc_video_copy_data_work()
1262 	ret = uvc_submit_urb(uvc_urb, GFP_KERNEL);  in uvc_video_copy_data_work()
1264 		dev_err(&uvc_urb->stream->intf->dev,  in uvc_video_copy_data_work()
1268 static void uvc_video_decode_data(struct uvc_urb *uvc_urb,  in uvc_video_decode_data()  argument
1271 	unsigned int active_op = uvc_urb->async_operations;  in uvc_video_decode_data()
1272 	struct uvc_copy_op *op = &uvc_urb->copy_operations[active_op];  in uvc_video_decode_data()
1292 		uvc_dbg(uvc_urb->stream->dev, FRAME,  in uvc_video_decode_data()
1298 	uvc_urb->async_operations++;  in uvc_video_decode_data()
1477 static void uvc_video_decode_isoc(struct uvc_urb *uvc_urb,  in uvc_video_decode_isoc()  argument
1480 	struct urb *urb = uvc_urb->urb;  in uvc_video_decode_isoc()
1481 	struct uvc_streaming *stream = uvc_urb->stream;  in uvc_video_decode_isoc()
1511 		uvc_video_decode_data(uvc_urb, buf, mem + ret,  in uvc_video_decode_isoc()
1523 static void uvc_video_decode_bulk(struct uvc_urb *uvc_urb,  in uvc_video_decode_bulk()  argument
1526 	struct urb *urb = uvc_urb->urb;  in uvc_video_decode_bulk()
1527 	struct uvc_streaming *stream = uvc_urb->stream;  in uvc_video_decode_bulk()
1575 		uvc_video_decode_data(uvc_urb, buf, mem, len);  in uvc_video_decode_bulk()
1596 static void uvc_video_encode_bulk(struct uvc_urb *uvc_urb,  in uvc_video_encode_bulk()  argument
1599 	struct urb *urb = uvc_urb->urb;  in uvc_video_encode_bulk()
1600 	struct uvc_streaming *stream = uvc_urb->stream;  in uvc_video_encode_bulk()
1644 	struct uvc_urb *uvc_urb = urb->context;  in uvc_video_complete()  local
1645 	struct uvc_streaming *stream = uvc_urb->stream;  in uvc_video_complete()
1686 	uvc_urb->async_operations = 0;  in uvc_video_complete()
1689 	dma_sync_sgtable_for_cpu(uvc_stream_to_dmadev(uvc_urb->stream),  in uvc_video_complete()
1690 				 uvc_urb->sgt, uvc_stream_dir(stream));  in uvc_video_complete()
1691 	invalidate_kernel_vmap_range(uvc_urb->buffer,  in uvc_video_complete()
1692 				     uvc_urb->stream->urb_size);  in uvc_video_complete()
1698 	stream->decode(uvc_urb, buf, buf_meta);  in uvc_video_complete()
1701 	if (!uvc_urb->async_operations) {  in uvc_video_complete()
1702 		ret = uvc_submit_urb(uvc_urb, GFP_ATOMIC);  in uvc_video_complete()
1709 	queue_work(stream->async_wq, &uvc_urb->work);  in uvc_video_complete()
1718 	struct uvc_urb *uvc_urb;  in uvc_free_urb_buffers()  local
1720 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_free_urb_buffers()
1721 		if (!uvc_urb->buffer)  in uvc_free_urb_buffers()
1724 		dma_vunmap_noncontiguous(dma_dev, uvc_urb->buffer);  in uvc_free_urb_buffers()
1725 		dma_free_noncontiguous(dma_dev, stream->urb_size, uvc_urb->sgt,  in uvc_free_urb_buffers()
1728 		uvc_urb->buffer = NULL;  in uvc_free_urb_buffers()
1729 		uvc_urb->sgt = NULL;  in uvc_free_urb_buffers()
1736 				 struct uvc_urb *uvc_urb, gfp_t gfp_flags)  in uvc_alloc_urb_buffer()  argument
1740 	uvc_urb->sgt = dma_alloc_noncontiguous(dma_dev, stream->urb_size,  in uvc_alloc_urb_buffer()
1743 	if (!uvc_urb->sgt)  in uvc_alloc_urb_buffer()
1745 	uvc_urb->dma = uvc_urb->sgt->sgl->dma_address;  in uvc_alloc_urb_buffer()
1747 	uvc_urb->buffer = dma_vmap_noncontiguous(dma_dev, stream->urb_size,  in uvc_alloc_urb_buffer()
1748 						 uvc_urb->sgt);  in uvc_alloc_urb_buffer()
1749 	if (!uvc_urb->buffer) {  in uvc_alloc_urb_buffer()
1751 				       uvc_urb->sgt,  in uvc_alloc_urb_buffer()
1753 		uvc_urb->sgt = NULL;  in uvc_alloc_urb_buffer()
1794 			struct uvc_urb *uvc_urb = &stream->uvc_urb[i];  in uvc_alloc_urb_buffers()  local
1796 			if (!uvc_alloc_urb_buffer(stream, uvc_urb, gfp_flags)) {  in uvc_alloc_urb_buffers()
1801 			uvc_urb->stream = stream;  in uvc_alloc_urb_buffers()
1824 	struct uvc_urb *uvc_urb;  in uvc_video_stop_transfer()  local
1833 	for_each_uvc_urb(uvc_urb, stream)  in uvc_video_stop_transfer()
1834 		usb_poison_urb(uvc_urb->urb);  in uvc_video_stop_transfer()
1838 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_video_stop_transfer()
1839 		usb_free_urb(uvc_urb->urb);  in uvc_video_stop_transfer()
1840 		uvc_urb->urb = NULL;  in uvc_video_stop_transfer()
1873 	struct uvc_urb *uvc_urb;  in uvc_init_video_isoc()  local
1887 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_init_video_isoc()
1895 		urb->context = uvc_urb;  in uvc_init_video_isoc()
1899 		urb->transfer_dma = uvc_urb->dma;  in uvc_init_video_isoc()
1901 		urb->transfer_buffer = uvc_urb->buffer;  in uvc_init_video_isoc()
1911 		uvc_urb->urb = urb;  in uvc_init_video_isoc()
1925 	struct uvc_urb *uvc_urb;  in uvc_init_video_bulk()  local
1950 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_init_video_bulk()
1957 		usb_fill_bulk_urb(urb, stream->dev->udev, pipe,	uvc_urb->buffer,  in uvc_init_video_bulk()
1958 				  size, uvc_video_complete, uvc_urb);  in uvc_init_video_bulk()
1960 		urb->transfer_dma = uvc_urb->dma;  in uvc_init_video_bulk()
1962 		uvc_urb->urb = urb;  in uvc_init_video_bulk()
1976 	struct uvc_urb *uvc_urb;  in uvc_video_start_transfer()  local
2071 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_video_start_transfer()
2072 		ret = uvc_submit_urb(uvc_urb, gfp_flags);  in uvc_video_start_transfer()
2076 				uvc_urb_index(uvc_urb), ret);  in uvc_video_start_transfer()
2168 	struct uvc_urb *uvc_urb;  in uvc_video_init()  local
2276 	for_each_uvc_urb(uvc_urb, stream)  in uvc_video_init()
2277 		INIT_WORK(&uvc_urb->work, uvc_video_copy_data_work);  in uvc_video_init()