spi-topcliff-pch: supports a spi mode setup and bit order setup by IO control

commit f258b44e22e07f5e98ac2260c70acff5784791b6 upstream.

This patch supports a spi mode setup and bit order setup by IO control.
    spi mode:     mode 0 to mode 3
    bit order:    LSB first, MSB first

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 6d0c238a370c0460d67a9dbd02217820084f28af..9f1241dd569e038e0be4c587062cfcddbc3d6f58 100644 (file)
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1434,6 +1434,7 @@ static int __devinit pch_spi_pd_probe(struct platform_device *plat_dev)
        master->num_chipselect = PCH_MAX_CS;
        master->setup = pch_spi_setup;
        master->transfer = pch_spi_transfer;
+       master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
 
        data->board_dat = board_dat;
        data->plat_dev = plat_dev;