spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true
authorAxel Lin <axel.lin@ingics.com>
Mon, 20 Jan 2014 15:22:07 +0000 (23:22 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 22 Feb 2014 21:32:26 +0000 (13:32 -0800)
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>
drivers/spi/spi-nuc900.c

index 47a68b4..ba4e99a 100644 (file)
@@ -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;