144 			dmaengine_terminate_all(dma->chan_tx);  in at91_twi_dma_cleanup()
200 	struct dma_chan *chan_tx = dma->chan_tx;  in at91_twi_write_data_dma()  local
252 	txdesc = dmaengine_prep_slave_sg(chan_tx, dma->sg, sg_len,  in at91_twi_write_data_dma()
265 	dma_async_issue_pending(chan_tx);  in at91_twi_write_data_dma()
782 	dma->chan_tx = dma_request_chan(dev->dev, "tx");  in at91_twi_configure_dma()
783 	if (IS_ERR(dma->chan_tx)) {  in at91_twi_configure_dma()
784 		ret = PTR_ERR(dma->chan_tx);  in at91_twi_configure_dma()
785 		dma->chan_tx = NULL;  in at91_twi_configure_dma()
797 	if (dmaengine_slave_config(dma->chan_tx, &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()
825 	if (dma->chan_tx)  in at91_twi_configure_dma()
826 		dma_release_channel(dma->chan_tx);  in at91_twi_configure_dma()