Messages in this thread Patch in this message | | | From | Andreas Larsson <> | Subject | [PATCH v2 2/7] spi: spi-fsl-spi: Make sure in spi_fsl_setup that chipselect becomes inactive | Date | Thu, 7 Feb 2013 14:12:06 +0100 |
| |
This is needed for a device in SPI_CS_HIGH mode that otherwise could start out active for the first transaction.
Signed-off-by: Andreas Larsson <andreas@gaisler.com> --- drivers/spi/spi-fsl-spi.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index e9ae1d8..b63ce63 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; } -- 1.7.0.4
| |