[U-Boot] [PATCH 3/3] spi: mxc_spi: Fix spi mode communication where clock is inverted

[Michael Trimarchi]

During spi initialization logic creates a glitch on the clock and
if this is followed by the chip select this can be interpretated
as clock. Add a delay let the glitch out of chip select

Signed-off-by: Michael Trimarchi <mich...@amarulasolutions.com>
---
 drivers/spi/mxc_spi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c
index 0dccc38..d450f16 100644
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/mxc_spi.c
@@ -387,6 +387,7 @@ static int mxc_spi_claim_bus_internal(struct mxc_spi_slave 
*mxcs, int cs)
        }
        reg_write(&regs->period, MXC_CSPIPERIOD_32KHZ);
        reg_write(&regs->intr, 0);
+       udelay(50);
 
        return 0;
 }
-- 
2.7.4

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