diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index 3be8fbe80b08..15f5723d9f95 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -739,27 +739,22 @@ static int qspi_trigger_transfer_out_in(struct rspi_data *rspi, const u8 *tx,
 	while (len > 0) {
 		n = qspi_set_send_trigger(rspi, len);
 		qspi_set_receive_trigger(rspi, len);
-		if (n == QSPI_BUFFER_SIZE) {
-			ret = rspi_wait_for_tx_empty(rspi);
-			if (ret < 0) {
-				dev_err(&rspi->ctlr->dev, "transmit timeout\n");
-				return ret;
-			}
-			for (i = 0; i < n; i++)
-				rspi_write_data(rspi, *tx++);
-
-			ret = rspi_wait_for_rx_full(rspi);
-			if (ret < 0) {
-				dev_err(&rspi->ctlr->dev, "receive timeout\n");
-				return ret;
-			}
-			for (i = 0; i < n; i++)
-				*rx++ = rspi_read_data(rspi);
-		} else {
-			ret = rspi_pio_transfer(rspi, tx, rx, n);
-			if (ret < 0)
-				return ret;
+		ret = rspi_wait_for_tx_empty(rspi);
+		if (ret < 0) {
+			dev_err(&rspi->ctlr->dev, "transmit timeout\n");
+			return ret;
 		}
+		for (i = 0; i < n; i++)
+			rspi_write_data(rspi, *tx++);
+
+		ret = rspi_wait_for_rx_full(rspi);
+		if (ret < 0) {
+			dev_err(&rspi->ctlr->dev, "receive timeout\n");
+			return ret;
+		}
+		for (i = 0; i < n; i++)
+			*rx++ = rspi_read_data(rspi);
+
 		len -= n;
 	}
 
@@ -796,19 +791,14 @@ static int qspi_transfer_out(struct rspi_data *rspi, struct spi_transfer *xfer)
 
 	while (n > 0) {
 		len = qspi_set_send_trigger(rspi, n);
-		if (len == QSPI_BUFFER_SIZE) {
-			ret = rspi_wait_for_tx_empty(rspi);
-			if (ret < 0) {
-				dev_err(&rspi->ctlr->dev, "transmit timeout\n");
-				return ret;
-			}
-			for (i = 0; i < len; i++)
-				rspi_write_data(rspi, *tx++);
-		} else {
-			ret = rspi_pio_transfer(rspi, tx, NULL, len);
-			if (ret < 0)
-				return ret;
+		ret = rspi_wait_for_tx_empty(rspi);
+		if (ret < 0) {
+			dev_err(&rspi->ctlr->dev, "transmit timeout\n");
+			return ret;
 		}
+		for (i = 0; i < len; i++)
+			rspi_write_data(rspi, *tx++);
+
 		n -= len;
 	}
 
@@ -833,19 +823,14 @@ static int qspi_transfer_in(struct rspi_data *rspi, struct spi_transfer *xfer)
 
 	while (n > 0) {
 		len = qspi_set_receive_trigger(rspi, n);
-		if (len == QSPI_BUFFER_SIZE) {
-			ret = rspi_wait_for_rx_full(rspi);
-			if (ret < 0) {
-				dev_err(&rspi->ctlr->dev, "receive timeout\n");
-				return ret;
-			}
-			for (i = 0; i < len; i++)
-				*rx++ = rspi_read_data(rspi);
-		} else {
-			ret = rspi_pio_transfer(rspi, NULL, rx, len);
-			if (ret < 0)
-				return ret;
+		ret = rspi_wait_for_rx_full(rspi);
+		if (ret < 0) {
+			dev_err(&rspi->ctlr->dev, "receive timeout\n");
+			return ret;
 		}
+		for (i = 0; i < len; i++)
+			*rx++ = rspi_read_data(rspi);
+
 		n -= len;
 	}