spi: sirf: add missed spi mode_bits that SiRFSoC hardware supports

Missing this will cause some user cases fail when they want to change spi
transfer mode.

Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index fc20bcfd90c3..96087169296e 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -538,6 +538,7 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
         sspi->bitbang.txrx_bufs = spi_sirfsoc_transfer;
         sspi->bitbang.master->setup = spi_sirfsoc_setup;
         master->bus_num = pdev->id;
+        master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST | SPI_CS_HIGH;
         master->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(12) |
                                         SPI_BPW_MASK(16) | SPI_BPW_MASK(32);
         sspi->bitbang.master->dev.of_node = pdev->dev.of_node;