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

[Michael Trimarchi <michael@amarulasolutions.com>]

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 <michael@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