245 			    struct spi_device *spi, struct spi_transfer *xfer);
682 			   const struct spi_transfer *xfer)  in __rspi_can_dma()  argument
684 	return xfer->len > rspi->ops->fifo_size;  in __rspi_can_dma()
688 			 struct spi_transfer *xfer)  in rspi_can_dma()  argument
692 	return __rspi_can_dma(rspi, xfer);  in rspi_can_dma()
696 					 struct spi_transfer *xfer)  in rspi_dma_check_then_transfer()  argument
698 	if (!rspi->ctlr->can_dma || !__rspi_can_dma(rspi, xfer))  in rspi_dma_check_then_transfer()
702 	return rspi_dma_transfer(rspi, &xfer->tx_sg,  in rspi_dma_check_then_transfer()
703 				xfer->rx_buf ? &xfer->rx_sg : NULL);  in rspi_dma_check_then_transfer()
707 				struct spi_transfer *xfer)  in rspi_common_transfer()  argument
711 	xfer->effective_speed_hz = rspi->speed_hz;  in rspi_common_transfer()
713 	ret = rspi_dma_check_then_transfer(rspi, xfer);  in rspi_common_transfer()
717 	ret = rspi_pio_transfer(rspi, xfer->tx_buf, xfer->rx_buf, xfer->len);  in rspi_common_transfer()
728 			     struct spi_device *spi, struct spi_transfer *xfer)  in rspi_transfer_one()  argument
734 	if (xfer->rx_buf) {  in rspi_transfer_one()
742 	return rspi_common_transfer(rspi, xfer);  in rspi_transfer_one()
747 				struct spi_transfer *xfer)  in rspi_rz_transfer_one()  argument
753 	return rspi_common_transfer(rspi, xfer);  in rspi_rz_transfer_one()
788 				struct spi_transfer *xfer)  in qspi_transfer_out_in()  argument
794 	ret = rspi_dma_check_then_transfer(rspi, xfer);  in qspi_transfer_out_in()
798 	return qspi_trigger_transfer_out_in(rspi, xfer->tx_buf,  in qspi_transfer_out_in()
799 					    xfer->rx_buf, xfer->len);  in qspi_transfer_out_in()
802 static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer)  in qspi_transfer_out()  argument
804 	const u8 *tx = xfer->tx_buf;  in qspi_transfer_out()
805 	unsigned int n = xfer->len;  in qspi_transfer_out()
809 	if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) {  in qspi_transfer_out()
810 		ret = rspi_dma_transfer(rspi, &xfer->tx_sg, NULL);  in qspi_transfer_out()
834 static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer)  in qspi_transfer_in()  argument
836 	u8 *rx = xfer->rx_buf;  in qspi_transfer_in()
837 	unsigned int n = xfer->len;  in qspi_transfer_in()
841 	if (rspi->ctlr->can_dma && __rspi_can_dma(rspi, xfer)) {  in qspi_transfer_in()
842 		ret = rspi_dma_transfer(rspi, NULL, &xfer->rx_sg);  in qspi_transfer_in()
864 			     struct spi_device *spi, struct spi_transfer *xfer)  in qspi_transfer_one()  argument
868 	xfer->effective_speed_hz = rspi->speed_hz;  in qspi_transfer_one()
870 		return qspi_transfer_out_in(rspi, xfer);  in qspi_transfer_one()
871 	} else if (xfer->tx_nbits > SPI_NBITS_SINGLE) {  in qspi_transfer_one()
873 		return qspi_transfer_out(rspi, xfer);  in qspi_transfer_one()
874 	} else if (xfer->rx_nbits > SPI_NBITS_SINGLE) {  in qspi_transfer_one()
876 		return qspi_transfer_in(rspi, xfer);  in qspi_transfer_one()
879 		return qspi_transfer_out_in(rspi, xfer);  in qspi_transfer_one()
883 static u16 qspi_transfer_mode(const struct spi_transfer *xfer)  in qspi_transfer_mode()  argument
885 	if (xfer->tx_buf)  in qspi_transfer_mode()
886 		switch (xfer->tx_nbits) {  in qspi_transfer_mode()
894 	if (xfer->rx_buf)  in qspi_transfer_mode()
895 		switch (xfer->rx_nbits) {  in qspi_transfer_mode()
910 	const struct spi_transfer *xfer;  in qspi_setup_sequencer()  local
914 	list_for_each_entry(xfer, &msg->transfers, transfer_list) {  in qspi_setup_sequencer()
915 		mode = qspi_transfer_mode(xfer);  in qspi_setup_sequencer()
917 			len += xfer->len;  in qspi_setup_sequencer()
936 		len = xfer->len;  in qspi_setup_sequencer()
976 	const struct spi_transfer *xfer;  in rspi_prepare_message()  local
990 	list_for_each_entry(xfer, &msg->transfers, transfer_list) {  in rspi_prepare_message()
991 		if (xfer->speed_hz < rspi->speed_hz)  in rspi_prepare_message()
992 			rspi->speed_hz = xfer->speed_hz;  in rspi_prepare_message()