244 			    struct spi_device *spi, struct spi_transfer *xfer);
681 			   const struct spi_transfer *xfer)  in __rspi_can_dma()  argument
683 	return xfer->len > rspi->ops->fifo_size;  in __rspi_can_dma()
687 			 struct spi_transfer *xfer)  in rspi_can_dma()  argument
691 	return __rspi_can_dma(rspi, xfer);  in rspi_can_dma()
695 					 struct spi_transfer *xfer)  in rspi_dma_check_then_transfer()  argument
697 	if (!rspi->ctlr->can_dma || !__rspi_can_dma(rspi, xfer))  in rspi_dma_check_then_transfer()
701 	return rspi_dma_transfer(rspi, &xfer->tx_sg,  in rspi_dma_check_then_transfer()
702 				xfer->rx_buf ? &xfer->rx_sg : NULL);  in rspi_dma_check_then_transfer()
706 				struct spi_transfer *xfer)  in rspi_common_transfer()  argument
710 	xfer->effective_speed_hz = rspi->speed_hz;  in rspi_common_transfer()
712 	ret = rspi_dma_check_then_transfer(rspi, xfer);  in rspi_common_transfer()
716 	ret = rspi_pio_transfer(rspi, xfer->tx_buf, xfer->rx_buf, xfer->len);  in rspi_common_transfer()
727 			     struct spi_device *spi, struct spi_transfer *xfer)  in rspi_transfer_one()  argument
733 	if (xfer->rx_buf) {  in rspi_transfer_one()
741 	return rspi_common_transfer(rspi, xfer);  in rspi_transfer_one()
746 				struct spi_transfer *xfer)  in rspi_rz_transfer_one()  argument
752 	return rspi_common_transfer(rspi, xfer);  in rspi_rz_transfer_one()
787 				struct spi_transfer *xfer)  in qspi_transfer_out_in()  argument
793 	ret = rspi_dma_check_then_transfer(rspi, xfer);  in qspi_transfer_out_in()
797 	return qspi_trigger_transfer_out_in(rspi, xfer->tx_buf,  in qspi_transfer_out_in()
798 					    xfer->rx_buf, xfer->len);  in qspi_transfer_out_in()
801 static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer)  in qspi_transfer_out()  argument
803 	const u8 *tx = xfer->tx_buf;  in qspi_transfer_out()
804 	unsigned int n = xfer->len;  in qspi_transfer_out()
808 	if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) {  in qspi_transfer_out()
809 		ret = rspi_dma_transfer(rspi, &xfer->tx_sg, NULL);  in qspi_transfer_out()
833 static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer)  in qspi_transfer_in()  argument
835 	u8 *rx = xfer->rx_buf;  in qspi_transfer_in()
836 	unsigned int n = xfer->len;  in qspi_transfer_in()
840 	if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) {  in qspi_transfer_in()
841 		int ret = rspi_dma_transfer(rspi, NULL, &xfer->rx_sg);  in qspi_transfer_in()
863 			     struct spi_device *spi, struct spi_transfer *xfer)  in qspi_transfer_one()  argument
867 	xfer->effective_speed_hz = rspi->speed_hz;  in qspi_transfer_one()
869 		return qspi_transfer_out_in(rspi, xfer);  in qspi_transfer_one()
870 	} else if (xfer->tx_nbits > SPI_NBITS_SINGLE) {  in qspi_transfer_one()
872 		return qspi_transfer_out(rspi, xfer);  in qspi_transfer_one()
873 	} else if (xfer->rx_nbits > SPI_NBITS_SINGLE) {  in qspi_transfer_one()
875 		return qspi_transfer_in(rspi, xfer);  in qspi_transfer_one()
878 		return qspi_transfer_out_in(rspi, xfer);  in qspi_transfer_one()
882 static u16 qspi_transfer_mode(const struct spi_transfer *xfer)  in qspi_transfer_mode()  argument
884 	if (xfer->tx_buf)  in qspi_transfer_mode()
885 		switch (xfer->tx_nbits) {  in qspi_transfer_mode()
893 	if (xfer->rx_buf)  in qspi_transfer_mode()
894 		switch (xfer->rx_nbits) {  in qspi_transfer_mode()
909 	const struct spi_transfer *xfer;  in qspi_setup_sequencer()  local
913 	list_for_each_entry(xfer, &msg->transfers, transfer_list) {  in qspi_setup_sequencer()
914 		mode = qspi_transfer_mode(xfer);  in qspi_setup_sequencer()
916 			len += xfer->len;  in qspi_setup_sequencer()
935 		len = xfer->len;  in qspi_setup_sequencer()
975 	const struct spi_transfer *xfer;  in rspi_prepare_message()  local
989 	list_for_each_entry(xfer, &msg->transfers, transfer_list) {  in rspi_prepare_message()
990 		if (xfer->speed_hz < rspi->speed_hz)  in rspi_prepare_message()
991 			rspi->speed_hz = xfer->speed_hz;  in rspi_prepare_message()