250 	struct atmel_spi_dma	dma;  member
410 	if (dmaengine_slave_config(as->dma.chan_tx, slave_config)) {  in atmel_spi_dma_slave_config()
417 	if (dmaengine_slave_config(as->dma.chan_rx, slave_config)) {  in atmel_spi_dma_slave_config()
436 	as->dma.chan_tx = dma_request_slave_channel_reason(dev, "tx");  in atmel_spi_configure_dma()
437 	if (IS_ERR(as->dma.chan_tx)) {  in atmel_spi_configure_dma()
438 		err = PTR_ERR(as->dma.chan_tx);  in atmel_spi_configure_dma()
453 	as->dma.chan_rx = dma_request_slave_channel(dev, "rx");  in atmel_spi_configure_dma()
455 	if (!as->dma.chan_rx) {  in atmel_spi_configure_dma()
468 			dma_chan_name(as->dma.chan_tx),  in atmel_spi_configure_dma()
469 			dma_chan_name(as->dma.chan_rx));  in atmel_spi_configure_dma()
472 	if (as->dma.chan_rx)  in atmel_spi_configure_dma()
473 		dma_release_channel(as->dma.chan_rx);  in atmel_spi_configure_dma()
474 	if (!IS_ERR(as->dma.chan_tx))  in atmel_spi_configure_dma()
475 		dma_release_channel(as->dma.chan_tx);  in atmel_spi_configure_dma()
481 	if (as->dma.chan_rx)  in atmel_spi_stop_dma()
482 		dmaengine_terminate_all(as->dma.chan_rx);  in atmel_spi_stop_dma()
483 	if (as->dma.chan_tx)  in atmel_spi_stop_dma()
484 		dmaengine_terminate_all(as->dma.chan_tx);  in atmel_spi_stop_dma()
489 	if (as->dma.chan_rx)  in atmel_spi_release_dma()
490 		dma_release_channel(as->dma.chan_rx);  in atmel_spi_release_dma()
491 	if (as->dma.chan_tx)  in atmel_spi_release_dma()
492 		dma_release_channel(as->dma.chan_tx);  in atmel_spi_release_dma()
548 	struct dma_chan		*rxchan = as->dma.chan_rx;  in atmel_spi_next_xfer_dma_submit()
549 	struct dma_chan		*txchan = as->dma.chan_tx;  in atmel_spi_next_xfer_dma_submit()
566 	sg_init_table(&as->dma.sgrx, 1);  in atmel_spi_next_xfer_dma_submit()
568 		as->dma.sgrx.dma_address = xfer->rx_dma + xfer->len - *plen;  in atmel_spi_next_xfer_dma_submit()
570 		as->dma.sgrx.dma_address = as->buffer_dma;  in atmel_spi_next_xfer_dma_submit()
576 	sg_init_table(&as->dma.sgtx, 1);  in atmel_spi_next_xfer_dma_submit()
578 		as->dma.sgtx.dma_address = xfer->tx_dma + xfer->len - *plen;  in atmel_spi_next_xfer_dma_submit()
580 		as->dma.sgtx.dma_address = as->buffer_dma;  in atmel_spi_next_xfer_dma_submit()
586 	sg_dma_len(&as->dma.sgtx) = len;  in atmel_spi_next_xfer_dma_submit()
587 	sg_dma_len(&as->dma.sgrx) = len;  in atmel_spi_next_xfer_dma_submit()
595 	rxdesc = dmaengine_prep_slave_sg(rxchan, &as->dma.sgrx, 1,  in atmel_spi_next_xfer_dma_submit()
601 	txdesc = dmaengine_prep_slave_sg(txchan, &as->dma.sgtx, 1,  in atmel_spi_next_xfer_dma_submit()