246 			   struct spi_device *spi, struct spi_transfer *xfer)  in dw_spi_can_dma()  argument
251 	if (xfer->len <= dws->fifo_len)  in dw_spi_can_dma()
288 				   struct spi_transfer *xfer)  in dw_spi_dma_wait_tx_done()  argument
299 		spi_delay_exec(&delay, xfer);  in dw_spi_dma_wait_tx_done()
468 static int dw_spi_dma_setup(struct dw_spi *dws, struct spi_transfer *xfer)  in dw_spi_dma_setup()  argument
473 	if (!xfer->tx_buf)  in dw_spi_dma_setup()
481 	if (xfer->rx_buf) {  in dw_spi_dma_setup()
489 	if (xfer->rx_buf)  in dw_spi_dma_setup()
495 	if (xfer->rx_buf)  in dw_spi_dma_setup()
507 				   struct spi_transfer *xfer)  in dw_spi_dma_transfer_all()  argument
512 	ret = dw_spi_dma_submit_tx(dws, xfer->tx_sg.sgl, xfer->tx_sg.nents);  in dw_spi_dma_transfer_all()
517 	if (xfer->rx_buf) {  in dw_spi_dma_transfer_all()
518 		ret = dw_spi_dma_submit_rx(dws, xfer->rx_sg.sgl,  in dw_spi_dma_transfer_all()
519 					   xfer->rx_sg.nents);  in dw_spi_dma_transfer_all()
529 	ret = dw_spi_dma_wait(dws, xfer->len, xfer->effective_speed_hz);  in dw_spi_dma_transfer_all()
570 				   struct spi_transfer *xfer)  in dw_spi_dma_transfer_one()  argument
580 	for (base = 0, len = 0; base < xfer->len; base += len) {  in dw_spi_dma_transfer_one()
583 			tx_sg = !tx_sg ? &xfer->tx_sg.sgl[0] : sg_next(tx_sg);  in dw_spi_dma_transfer_one()
590 			rx_sg = !rx_sg ? &xfer->rx_sg.sgl[0] : sg_next(rx_sg);  in dw_spi_dma_transfer_one()
621 		ret = dw_spi_dma_wait(dws, len, xfer->effective_speed_hz);  in dw_spi_dma_transfer_one()
638 static int dw_spi_dma_transfer(struct dw_spi *dws, struct spi_transfer *xfer)  in dw_spi_dma_transfer()  argument
643 	nents = max(xfer->tx_sg.nents, xfer->rx_sg.nents);  in dw_spi_dma_transfer()
652 	if (!dws->dma_sg_burst || !xfer->rx_buf || nents <= dws->dma_sg_burst)  in dw_spi_dma_transfer()
653 		ret = dw_spi_dma_transfer_all(dws, xfer);  in dw_spi_dma_transfer()
655 		ret = dw_spi_dma_transfer_one(dws, xfer);  in dw_spi_dma_transfer()
660 		ret = dw_spi_dma_wait_tx_done(dws, xfer);  in dw_spi_dma_transfer()
665 	if (xfer->rx_buf && dws->host->cur_msg->status == -EINPROGRESS)  in dw_spi_dma_transfer()