595 	struct dma_async_tx_descriptor *desc;  in pl011_dma_tx_refill()  local
645 	desc = dmaengine_prep_slave_single(chan, dmatx->dma, dmatx->len, DMA_MEM_TO_DEV,  in pl011_dma_tx_refill()
647 	if (!desc) {  in pl011_dma_tx_refill()
659 	desc->callback = pl011_dma_tx_callback;  in pl011_dma_tx_refill()
660 	desc->callback_param = uap;  in pl011_dma_tx_refill()
663 	dmaengine_submit(desc);  in pl011_dma_tx_refill()
825 	struct dma_async_tx_descriptor *desc;  in pl011_dma_rx_trigger_dma()  local
834 	desc = dmaengine_prep_slave_single(rxchan, dbuf->dma, dbuf->len,  in pl011_dma_rx_trigger_dma()
842 	if (!desc) {  in pl011_dma_rx_trigger_dma()
849 	desc->callback = pl011_dma_rx_callback;  in pl011_dma_rx_trigger_dma()
850 	desc->callback_param = uap;  in pl011_dma_rx_trigger_dma()
851 	dmarx->cookie = dmaengine_submit(desc);  in pl011_dma_rx_trigger_dma()