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| author | Axel Lin <axel.lin@ingics.com> | 2014-03-02 22:25:10 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-04 11:08:05 +0800 |
| commit | ba47644d5b79914fe53b69c639902afce8ccfe7f (patch) | |
| tree | cca45521dca99665ed433e54b0927a7eb6c77791 /drivers/spi/spi-sun4i.c | |
| parent | b5f6517948cce50bde9aa441b4f00b63518f6421 (diff) | |
| download | linux-ba47644d5b79914fe53b69c639902afce8ccfe7f.tar.gz linux-ba47644d5b79914fe53b69c639902afce8ccfe7f.tar.bz2 linux-ba47644d5b79914fe53b69c639902afce8ccfe7f.zip | |
spi: sun4i: Set bits_per_word_mask to only support 8 bits word length
This controller only supports 8 bits word length.
Set bits_per_word_mask so spi core will reject transfers that attempt to use
an unsupported bits_per_word value.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-sun4i.c')
| -rw-r--r-- | drivers/spi/spi-sun4i.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c index 3f82705d0a27..d266a8702067 100644 --- a/drivers/spi/spi-sun4i.c +++ b/drivers/spi/spi-sun4i.c @@ -392,6 +392,7 @@ static int sun4i_spi_probe(struct platform_device *pdev) master->transfer_one = sun4i_spi_transfer_one; master->num_chipselect = 4; master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST; + master->bits_per_word_mask = SPI_BPW_MASK(8); master->dev.of_node = pdev->dev.of_node; master->auto_runtime_pm = true; |