142 			dmaengine_terminate_all(dma->chan_rx);  in at91_twi_dma_cleanup()
339 	struct dma_chan *chan_rx = dma->chan_rx;  in at91_twi_read_data_dma()  local
371 	rxdesc = dmaengine_prep_slave_sg(chan_rx, dma->sg, 1, DMA_DEV_TO_MEM,  in at91_twi_read_data_dma()
383 	dma_async_issue_pending(dma->chan_rx);  in at91_twi_read_data_dma()
789 	dma->chan_rx = dma_request_chan(dev->dev, "rx");  in at91_twi_configure_dma()
790 	if (IS_ERR(dma->chan_rx)) {  in at91_twi_configure_dma()
791 		ret = PTR_ERR(dma->chan_rx);  in at91_twi_configure_dma()
792 		dma->chan_rx = NULL;  in at91_twi_configure_dma()
804 	if (dmaengine_slave_config(dma->chan_rx, &slave_config)) {  in at91_twi_configure_dma()
816 		 dma_chan_name(dma->chan_tx), dma_chan_name(dma->chan_rx));  in at91_twi_configure_dma()
823 	if (dma->chan_rx)  in at91_twi_configure_dma()
824 		dma_release_channel(dma->chan_rx);  in at91_twi_configure_dma()