DMA_ADDR_INVALID
req->usb_req.dma = DMA_ADDR_INVALID;
req->req.dma = DMA_ADDR_INVALID;
ep->rxbuf_d = DMA_ADDR_INVALID;
req->req.dma = DMA_ADDR_INVALID;
if (req->req.dma == DMA_ADDR_INVALID) {
if (udc->nullp == DMA_ADDR_INVALID) {
udc->nullp = DMA_ADDR_INVALID;
udc->nullp = DMA_ADDR_INVALID;
ep->rxbuf_d = DMA_ADDR_INVALID;
if (ep->rxbuf_d == DMA_ADDR_INVALID) {
req->req.dma = DMA_ADDR_INVALID;
req->req.dma = DMA_ADDR_INVALID;
dma_desc->dataptr = lower_32_bits(DMA_ADDR_INVALID);
mreq->request.dma = DMA_ADDR_INVALID;
request->request.dma = DMA_ADDR_INVALID;
request->request.dma = DMA_ADDR_INVALID;
use_dma = (request->dma != DMA_ADDR_INVALID && request_size);
if (request->request.dma == DMA_ADDR_INVALID) {
if (request->request.dma == DMA_ADDR_INVALID) {