spi: tegra: Increase delay between CS and clock start

Some SPI devices require a delay between the CS and when the clock
starts.  Increase SS_SETUP to accommodate these devices.

Change-Id: I301e3583e70c722cadde5a9f91119881805dd3a5
Signed-off-by: Greg Meiste <w30289@motorola.com>

diff --git a/drivers/spi/spi_tegra.c b/drivers/spi/spi_tegra.c
index 6023da9a103a28d104860c0129c687bee33682ad..3709d5dccd76a73fbae55c5c067b67fff962acbb 100644 (file)
--- a/drivers/spi/spi_tegra.c
+++ b/drivers/spi/spi_tegra.c
@@ -274,6 +274,7 @@ static void spi_tegra_start_transfer(struct spi_device *spi,
                val |= SLINK_TXEN;
        val |= SLINK_SS_EN_CS(spi->chip_select);
        val |= SLINK_SPIE;
+       val |= SLINK_SS_SETUP(3);
        spi_tegra_writel(tspi, val, SLINK_COMMAND2);
 
        val = spi_tegra_readl(tspi, SLINK_COMMAND);