FDT_DMA_READ
req->dreq_dir = FDT_DMA_READ;
if (req->dreq_dir == FDT_DMA_READ) {
if (req->dreq_dir == FDT_DMA_READ) {
if (req->dreq_dir == FDT_DMA_READ) {
ch->ch_req.dreq_dir = FDT_DMA_READ;
ch->ch_req.dreq_dir = FDT_DMA_READ;