1148 static int uvc_submit_urb(struct uvc_urb *uvc_urb, gfp_t mem_flags)  in uvc_submit_urb()  argument
1151 	dma_sync_sgtable_for_device(uvc_stream_to_dmadev(uvc_urb->stream),  in uvc_submit_urb()
1152 				    uvc_urb->sgt,  in uvc_submit_urb()
1153 				    uvc_stream_dir(uvc_urb->stream));  in uvc_submit_urb()
1154 	return usb_submit_urb(uvc_urb->urb, mem_flags);  in uvc_submit_urb()
1165 	struct uvc_urb *uvc_urb = container_of(work, struct uvc_urb, work);  in uvc_video_copy_data_work()  local
1169 	for (i = 0; i < uvc_urb->async_operations; i++) {  in uvc_video_copy_data_work()
1170 		struct uvc_copy_op *op = &uvc_urb->copy_operations[i];  in uvc_video_copy_data_work()
1178 	ret = uvc_submit_urb(uvc_urb, GFP_KERNEL);  in uvc_video_copy_data_work()
1180 		dev_err(&uvc_urb->stream->intf->dev,  in uvc_video_copy_data_work()
1184 static void uvc_video_decode_data(struct uvc_urb *uvc_urb,  in uvc_video_decode_data()  argument
1187 	unsigned int active_op = uvc_urb->async_operations;  in uvc_video_decode_data()
1188 	struct uvc_copy_op *op = &uvc_urb->copy_operations[active_op];  in uvc_video_decode_data()
1208 		uvc_dbg(uvc_urb->stream->dev, FRAME,  in uvc_video_decode_data()
1214 	uvc_urb->async_operations++;  in uvc_video_decode_data()
1392 static void uvc_video_decode_isoc(struct uvc_urb *uvc_urb,  in uvc_video_decode_isoc()  argument
1395 	struct urb *urb = uvc_urb->urb;  in uvc_video_decode_isoc()
1396 	struct uvc_streaming *stream = uvc_urb->stream;  in uvc_video_decode_isoc()
1426 		uvc_video_decode_data(uvc_urb, buf, mem + ret,  in uvc_video_decode_isoc()
1438 static void uvc_video_decode_bulk(struct uvc_urb *uvc_urb,  in uvc_video_decode_bulk()  argument
1441 	struct urb *urb = uvc_urb->urb;  in uvc_video_decode_bulk()
1442 	struct uvc_streaming *stream = uvc_urb->stream;  in uvc_video_decode_bulk()
1488 		uvc_video_decode_data(uvc_urb, buf, mem, len);  in uvc_video_decode_bulk()
1508 static void uvc_video_encode_bulk(struct uvc_urb *uvc_urb,  in uvc_video_encode_bulk()  argument
1511 	struct urb *urb = uvc_urb->urb;  in uvc_video_encode_bulk()
1512 	struct uvc_streaming *stream = uvc_urb->stream;  in uvc_video_encode_bulk()
1556 	struct uvc_urb *uvc_urb = urb->context;  in uvc_video_complete()  local
1557 	struct uvc_streaming *stream = uvc_urb->stream;  in uvc_video_complete()
1598 	uvc_urb->async_operations = 0;  in uvc_video_complete()
1601 	dma_sync_sgtable_for_cpu(uvc_stream_to_dmadev(uvc_urb->stream),  in uvc_video_complete()
1602 				 uvc_urb->sgt, uvc_stream_dir(stream));  in uvc_video_complete()
1603 	invalidate_kernel_vmap_range(uvc_urb->buffer,  in uvc_video_complete()
1604 				     uvc_urb->stream->urb_size);  in uvc_video_complete()
1610 	stream->decode(uvc_urb, buf, buf_meta);  in uvc_video_complete()
1613 	if (!uvc_urb->async_operations) {  in uvc_video_complete()
1614 		ret = uvc_submit_urb(uvc_urb, GFP_ATOMIC);  in uvc_video_complete()
1621 	queue_work(stream->async_wq, &uvc_urb->work);  in uvc_video_complete()
1630 	struct uvc_urb *uvc_urb;  in uvc_free_urb_buffers()  local
1632 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_free_urb_buffers()
1633 		if (!uvc_urb->buffer)  in uvc_free_urb_buffers()
1636 		dma_vunmap_noncontiguous(dma_dev, uvc_urb->buffer);  in uvc_free_urb_buffers()
1637 		dma_free_noncontiguous(dma_dev, stream->urb_size, uvc_urb->sgt,  in uvc_free_urb_buffers()
1640 		uvc_urb->buffer = NULL;  in uvc_free_urb_buffers()
1641 		uvc_urb->sgt = NULL;  in uvc_free_urb_buffers()
1648 				 struct uvc_urb *uvc_urb, gfp_t gfp_flags)  in uvc_alloc_urb_buffer()  argument
1652 	uvc_urb->sgt = dma_alloc_noncontiguous(dma_dev, stream->urb_size,  in uvc_alloc_urb_buffer()
1655 	if (!uvc_urb->sgt)  in uvc_alloc_urb_buffer()
1657 	uvc_urb->dma = uvc_urb->sgt->sgl->dma_address;  in uvc_alloc_urb_buffer()
1659 	uvc_urb->buffer = dma_vmap_noncontiguous(dma_dev, stream->urb_size,  in uvc_alloc_urb_buffer()
1660 						 uvc_urb->sgt);  in uvc_alloc_urb_buffer()
1661 	if (!uvc_urb->buffer) {  in uvc_alloc_urb_buffer()
1663 				       uvc_urb->sgt,  in uvc_alloc_urb_buffer()
1665 		uvc_urb->sgt = NULL;  in uvc_alloc_urb_buffer()
1705 			struct uvc_urb *uvc_urb = &stream->uvc_urb[i];  in uvc_alloc_urb_buffers()  local
1707 			if (!uvc_alloc_urb_buffer(stream, uvc_urb, gfp_flags)) {  in uvc_alloc_urb_buffers()
1712 			uvc_urb->stream = stream;  in uvc_alloc_urb_buffers()
1735 	struct uvc_urb *uvc_urb;  in uvc_video_stop_transfer()  local
1744 	for_each_uvc_urb(uvc_urb, stream)  in uvc_video_stop_transfer()
1745 		usb_poison_urb(uvc_urb->urb);  in uvc_video_stop_transfer()
1749 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_video_stop_transfer()
1750 		usb_free_urb(uvc_urb->urb);  in uvc_video_stop_transfer()
1751 		uvc_urb->urb = NULL;  in uvc_video_stop_transfer()
1792 	struct uvc_urb *uvc_urb;  in uvc_init_video_isoc()  local
1806 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_init_video_isoc()
1814 		urb->context = uvc_urb;  in uvc_init_video_isoc()
1818 		urb->transfer_dma = uvc_urb->dma;  in uvc_init_video_isoc()
1820 		urb->transfer_buffer = uvc_urb->buffer;  in uvc_init_video_isoc()
1830 		uvc_urb->urb = urb;  in uvc_init_video_isoc()
1844 	struct uvc_urb *uvc_urb;  in uvc_init_video_bulk()  local
1869 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_init_video_bulk()
1876 		usb_fill_bulk_urb(urb, stream->dev->udev, pipe,	uvc_urb->buffer,  in uvc_init_video_bulk()
1877 				  size, uvc_video_complete, uvc_urb);  in uvc_init_video_bulk()
1879 		urb->transfer_dma = uvc_urb->dma;  in uvc_init_video_bulk()
1881 		uvc_urb->urb = urb;  in uvc_init_video_bulk()
1895 	struct uvc_urb *uvc_urb;  in uvc_video_start_transfer()  local
1990 	for_each_uvc_urb(uvc_urb, stream) {  in uvc_video_start_transfer()
1991 		ret = uvc_submit_urb(uvc_urb, gfp_flags);  in uvc_video_start_transfer()
1995 				uvc_urb_index(uvc_urb), ret);  in uvc_video_start_transfer()
2085 	struct uvc_urb *uvc_urb;  in uvc_video_init()  local
2173 	for_each_uvc_urb(uvc_urb, stream)  in uvc_video_init()
2174 		INIT_WORK(&uvc_urb->work, uvc_video_copy_data_work);  in uvc_video_init()