562 	if (dmaengine_slave_config(host->dma_rx, &slave_config)) {  in atmel_spi_dma_slave_config()
584 	host->dma_rx = dma_request_chan(dev, "rx");  in atmel_spi_configure_dma()
585 	if (IS_ERR(host->dma_rx)) {  in atmel_spi_configure_dma()
586 		err = PTR_ERR(host->dma_rx);  in atmel_spi_configure_dma()
602 			dma_chan_name(host->dma_rx));  in atmel_spi_configure_dma()
606 	if (!IS_ERR(host->dma_rx))  in atmel_spi_configure_dma()
607 		dma_release_channel(host->dma_rx);  in atmel_spi_configure_dma()
611 	host->dma_tx = host->dma_rx = NULL;  in atmel_spi_configure_dma()
617 	if (host->dma_rx)  in atmel_spi_stop_dma()
618 		dmaengine_terminate_all(host->dma_rx);  in atmel_spi_stop_dma()
625 	if (host->dma_rx) {  in atmel_spi_release_dma()
626 		dma_release_channel(host->dma_rx);  in atmel_spi_release_dma()
627 		host->dma_rx = NULL;  in atmel_spi_release_dma()
773 	struct dma_chan		*rxchan = host->dma_rx;  in atmel_spi_next_xfer_dma_submit()