diff --git a/drivers/spi/spi-armada-3700.c b/drivers/spi/spi-armada-3700.c
index 4e92178..0314c6b9 100644
--- a/drivers/spi/spi-armada-3700.c
+++ b/drivers/spi/spi-armada-3700.c
@@ -825,7 +825,7 @@ static int a3700_spi_probe(struct platform_device *pdev)
 	master->unprepare_message = a3700_spi_unprepare_message;
 	master->set_cs = a3700_spi_set_cs;
 	master->flags = SPI_MASTER_HALF_DUPLEX;
-	master->mode_bits |= (SPI_RX_DUAL | SPI_RX_DUAL |
+	master->mode_bits |= (SPI_RX_DUAL | SPI_TX_DUAL |
 			      SPI_RX_QUAD | SPI_TX_QUAD);
 
 	platform_set_drvdata(pdev, master);