557 		if (xfer->rx_buf != NULL) {  in __spi_map_msg()
559 					  xfer->rx_buf, xfer->len,  in __spi_map_msg()
592 		if (xfer->rx_buf == master->dummy_rx)  in spi_unmap_msg()
593 			xfer->rx_buf = NULL;  in spi_unmap_msg()
633 			    !xfer->rx_buf)  in spi_map_msg()
659 				if (!xfer->rx_buf)  in spi_map_msg()
660 					xfer->rx_buf = master->dummy_rx;  in spi_map_msg()
688 		if (xfer->tx_buf || xfer->rx_buf) {  in spi_transfer_one_message()
1830 			if (xfer->rx_buf && xfer->tx_buf)  in __spi_validate()
1834 			if ((flags & SPI_MASTER_NO_RX) && xfer->rx_buf)  in __spi_validate()
1887 		if (xfer->rx_buf && !xfer->rx_nbits)  in __spi_validate()
1906 		if (xfer->rx_buf) {  in __spi_validate()
2269 	x[1].rx_buf = local_buf + n_tx;  in spi_write_then_read()
2274 		memcpy(rxbuf, x[1].rx_buf, n_rx);  in spi_write_then_read()