spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true

commit f7db1588d6028c97c098bb6445eaabc56a25fed8 upstream.

Otherwise, spi_setup() fails with unsupported mode bits message.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c
index e0c32bc69ee2553d137e28d0ea2c70cdd58a2050..8497df2c90d8dbbee2162fd8a29c609723a25113 100644 (file)
--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -363,6 +363,8 @@ static int nuc900_spi_probe(struct platform_device *pdev)
        init_completion(&hw->done);
 
        master->mode_bits          = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
+       if (hw->pdata->lsb)
+               master->mode_bits |= SPI_LSB_FIRST;
        master->num_chipselect     = hw->pdata->num_cs;
        master->bus_num            = hw->pdata->bus_num;
        hw->bitbang.master         = hw->master;