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spi: davinci: fix SPI_NO_CS functionality 

The driver should not touch CS lines if SPI_NO_CS flag is set.
This patch fixes it as this functionality was broken accidentally
by
commit a88e34ea21 ("spi: davinci: add support to configure gpio cs through dt").

Fixes: a88e34ea21 ("spi: davinci: add support to configure gpio cs through dt")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Grygorii Strashko 2014-08-21 18:25:05 +03:00 committed by Mark Brown
parent 7d1311b93e
commit 3f2dad99f6
1 changed files with 8 additions and 8 deletions
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16
drivers/spi/spi-davinci.c
View File

@ -417,16 +417,16 @@ static int davinci_spi_setup(struct spi_device *spi)
flags, dev_name(&spi->dev));
internal_cs = false;
}
}
if (retval) {
dev_err(&spi->dev, "GPIO %d setup failed (%d)\n",
spi->cs_gpio, retval);
return retval;
}
if (retval) {
dev_err(&spi->dev, "GPIO %d setup failed (%d)\n",
spi->cs_gpio, retval);
return retval;
}
if (internal_cs)
set_io_bits(dspi->base + SPIPC0, 1 << spi->chip_select);
if (internal_cs)
set_io_bits(dspi->base + SPIPC0, 1 << spi->chip_select);
}
if (spi->mode & SPI_READY)
set_io_bits(dspi->base + SPIPC0, SPIPC0_SPIENA_MASK);