[PATCH 3.12 24/82] spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true

Greg Kroah-Hartman
2014-02-21T00:40:32Z

From: Axel Lin <axel.lin@ingics.com>

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 | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/spi/spi-nuc900.c
+++ b/drivers/spi/spi-nuc900.c
@@ -363,6 +363,8 @@ static int nuc900_spi_probe(struct platf
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;