diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c
index 2d7e6b8..46b8c5c 100644
--- a/drivers/spi/xilinx_spi.c
+++ b/drivers/spi/xilinx_spi.c
@@ -158,9 +158,6 @@
 	return 0;
 }
 
-/* the spi->mode bits understood by this driver: */
-#define MODEBITS (SPI_CPOL | SPI_CPHA)
-
 static int xilinx_spi_setup(struct spi_device *spi)
 {
 	struct spi_bitbang *bitbang;
@@ -170,12 +167,6 @@
 	xspi = spi_master_get_devdata(spi->master);
 	bitbang = &xspi->bitbang;
 
-	if (spi->mode & ~MODEBITS) {
-		dev_err(&spi->dev, "%s, unsupported mode bits %x\n",
-			__func__, spi->mode & ~MODEBITS);
-		return -EINVAL;
-	}
-
 	retval = xilinx_spi_setup_transfer(spi, NULL);
 	if (retval < 0)
 		return retval;
@@ -327,6 +318,9 @@
 		goto put_master;
 	}
 
+	/* the spi->mode bits understood by this driver: */
+	master->mode_bits = SPI_CPOL | SPI_CPHA;
+
 	xspi = spi_master_get_devdata(master);
 	xspi->bitbang.master = spi_master_get(master);
 	xspi->bitbang.chipselect = xilinx_spi_chipselect;