dma_des           278 drivers/tty/serial/sprd_serial.c 	struct dma_async_tx_descriptor *dma_des;
dma_des           286 drivers/tty/serial/sprd_serial.c 	dma_des = dmaengine_prep_slave_single(ud->chn, ud->phys_addr, trans_len,
dma_des           288 drivers/tty/serial/sprd_serial.c 	if (!dma_des)
dma_des           291 drivers/tty/serial/sprd_serial.c 	dma_des->callback = callback;
dma_des           292 drivers/tty/serial/sprd_serial.c 	dma_des->callback_param = port;
dma_des           294 drivers/tty/serial/sprd_serial.c 	ud->cookie = dmaengine_submit(dma_des);