From f7db1588d6028c97c098bb6445eaabc56a25fed8 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Mon, 20 Jan 2014 23:22:07 +0800 Subject: [PATCH] spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true Otherwise, spi_setup() fails with unsupported mode bits message. Signed-off-by: Axel Lin Signed-off-by: Mark Brown Cc: stable@vger.kernel.org --- drivers/spi/spi-nuc900.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c index 50406306bc20..bae97ffec4b9 100644 --- a/drivers/spi/spi-nuc900.c +++ b/drivers/spi/spi-nuc900.c @@ -361,6 +361,8 @@ 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;