From f482cd0ff506cd74c75edceec4b737c46c60cb12 Mon Sep 17 00:00:00 2001 From: Andreas Larsson Date: Fri, 15 Feb 2013 16:52:22 +0100 Subject: [PATCH] spi/spi-fsl-spi: Make sure in spi_fsl_setup that chipselect becomes inactive This is needed for a device in SPI_CS_HIGH mode that otherwise could start out active for the first transaction. Acked-by: Anton Vorontsov Signed-off-by: Andreas Larsson Signed-off-by: Grant Likely --- drivers/spi/spi-fsl-spi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index 9878911ee6a..1569f7defc7 100644 --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -387,6 +387,10 @@ static int fsl_spi_setup(struct spi_device *spi) cs->hw_mode = hw_mode; /* Restore settings */ return retval; } + + /* Initialize chipselect - might be active for SPI_CS_HIGH mode */ + fsl_spi_chipselect(spi, BITBANG_CS_INACTIVE); + return 0; } -- 2.41.0