478 	if (dmaengine_slave_config(master->dma_tx, slave_config)) {  in atmel_spi_dma_slave_config()
513 	master->dma_tx = dma_request_chan(dev, "tx");  in atmel_spi_configure_dma()
514 	if (IS_ERR(master->dma_tx)) {  in atmel_spi_configure_dma()
515 		err = dev_err_probe(dev, PTR_ERR(master->dma_tx),  in atmel_spi_configure_dma()
537 			dma_chan_name(master->dma_tx),  in atmel_spi_configure_dma()
544 	if (!IS_ERR(master->dma_tx))  in atmel_spi_configure_dma()
545 		dma_release_channel(master->dma_tx);  in atmel_spi_configure_dma()
547 	master->dma_tx = master->dma_rx = NULL;  in atmel_spi_configure_dma()
555 	if (master->dma_tx)  in atmel_spi_stop_dma()
556 		dmaengine_terminate_all(master->dma_tx);  in atmel_spi_stop_dma()
565 	if (master->dma_tx) {  in atmel_spi_release_dma()
566 		dma_release_channel(master->dma_tx);  in atmel_spi_release_dma()
567 		master->dma_tx = NULL;  in atmel_spi_release_dma()
711 	struct dma_chan		*txchan = master->dma_tx;  in atmel_spi_next_xfer_dma_submit()