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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>
This commit is contained in:
Andreas Larsson 2013-02-15 16:52:22 +01:00 committed by Grant Likely
parent e8beacbb85
commit f482cd0ff5
1 changed files with 4 additions and 0 deletions
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4
drivers/spi/spi-fsl-spi.c
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@ -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;
}