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spi: spi-fsl-dspi: add SPI_LSB_FIRST to driver capabilities

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The driver as well as the controller support the SPI lsb first
mode. However, it's not possible to configure it e.g. when using
spidev. Adding this flag to mode_bits resolves the issue and lsb first
mode can be used.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kurt Kanzenbach 2017-11-13 08:47:21 +01:00 committed by Mark Brown
parent abbdb5ce31
commit 00ac956215
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1 changed files with 1 additions and 1 deletions
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drivers/spi/spi-fsl-dspi.c
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@ -980,7 +980,7 @@ static int dspi_probe(struct platform_device *pdev)
master->dev.of_node = pdev->dev.of_node; master->dev.of_node = pdev->dev.of_node;
master->cleanup = dspi_cleanup; master->cleanup = dspi_cleanup;
master->mode_bits = SPI_CPOL | SPI_CPHA; master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST;
master->bits_per_word_mask = SPI_BPW_MASK(4) | SPI_BPW_MASK(8) | master->bits_per_word_mask = SPI_BPW_MASK(4) | SPI_BPW_MASK(8) |
SPI_BPW_MASK(16); SPI_BPW_MASK(16);