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authorGrygorii Strashko <grygorii.strashko@ti.com>2014-08-21 11:25:05 -0400
committerMark Brown <broonie@linaro.org>2014-08-21 14:08:56 -0400
commit3f2dad99f6fccfce46aea289ff174485320b69b4 (patch)
treefde3edc3e543bf7cabf0e13fcda2a60ee4298cac
parent7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9 (diff)
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 a88e34ea213e1b ("spi: davinci: add support to configure gpio cs through dt"). Fixes: a88e34ea213e1b ("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>
-rw-r--r--drivers/spi/spi-davinci.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 276a3884fb3c..48f1d26e6ad9 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -417,16 +417,16 @@ static int davinci_spi_setup(struct spi_device *spi)
417 flags, dev_name(&spi->dev)); 417 flags, dev_name(&spi->dev));
418 internal_cs = false; 418 internal_cs = false;
419 } 419 }
420 }
421 420
422 if (retval) { 421 if (retval) {
423 dev_err(&spi->dev, "GPIO %d setup failed (%d)\n", 422 dev_err(&spi->dev, "GPIO %d setup failed (%d)\n",
424 spi->cs_gpio, retval); 423 spi->cs_gpio, retval);
425 return retval; 424 return retval;
426 } 425 }
427 426
428 if (internal_cs) 427 if (internal_cs)
429 set_io_bits(dspi->base + SPIPC0, 1 << spi->chip_select); 428 set_io_bits(dspi->base + SPIPC0, 1 << spi->chip_select);
429 }
430 430
431 if (spi->mode & SPI_READY) 431 if (spi->mode & SPI_READY)
432 set_io_bits(dspi->base + SPIPC0, SPIPC0_SPIENA_MASK); 432 set_io_bits(dspi->base + SPIPC0, SPIPC0_SPIENA_MASK);