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| author | Andreas Larsson <andreas@gaisler.com> | 2013-02-15 16:52:22 +0100 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2013-04-07 10:07:54 +0100 |
| commit | f482cd0ff506cd74c75edceec4b737c46c60cb12 (patch) | |
| tree | 4c32912b88a502f72257251c692b1e6dad28aa78 /drivers/spi | |
| parent | e8beacbb85a5c1de1117400c5ddb450514a8372c (diff) | |
| download | linux-stable-f482cd0ff506cd74c75edceec4b737c46c60cb12.tar.gz linux-stable-f482cd0ff506cd74c75edceec4b737c46c60cb12.tar.bz2 linux-stable-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 <anton@enomsg.org>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/spi')
| -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; } |