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| author | Andreas Larsson <[email protected]> | 2013-02-15 15:52:22 +0000 |
|---|---|---|
| committer | Grant Likely <[email protected]> | 2013-04-07 09:07:54 +0000 |
| commit | f482cd0ff506cd74c75edceec4b737c46c60cb12 (patch) | |
| tree | 4c32912b88a502f72257251c692b1e6dad28aa78 /drivers/spi/spi-fsl-spi.c | |
| parent | spi/spi-fsl-spi: Make driver usable in CPU mode outside of an FSL_SOC environ... (diff) | |
| download | kernel-f482cd0ff506cd74c75edceec4b737c46c60cb12.tar.gz kernel-f482cd0ff506cd74c75edceec4b737c46c60cb12.zip | |
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 <[email protected]>
Signed-off-by: Andreas Larsson <[email protected]>
Signed-off-by: Grant Likely <[email protected]>
Diffstat (limited to 'drivers/spi/spi-fsl-spi.c')
| -rw-r--r-- | 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 9878911ee6af..1569f7defc73 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; } |