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| author | Axel Lin <axel.lin@ingics.com> | 2014-03-02 22:25:58 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-03-04 11:08:06 +0800 |
| commit | 743a46b89a59abcc6566d9d90b1f28bfa666702e (patch) | |
| tree | 31cd1569c74639cda2cc51a27857a778b10d3b36 /drivers/spi/spi-sun6i.c | |
| parent | ba47644d5b79914fe53b69c639902afce8ccfe7f (diff) | |
| download | linux-743a46b89a59abcc6566d9d90b1f28bfa666702e.tar.gz linux-743a46b89a59abcc6566d9d90b1f28bfa666702e.tar.bz2 linux-743a46b89a59abcc6566d9d90b1f28bfa666702e.zip | |
spi: sun6i: 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-sun6i.c')
| -rw-r--r-- | drivers/spi/spi-sun6i.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c index 4b9ec08022fe..b3e3498a7e6f 100644 --- a/drivers/spi/spi-sun6i.c +++ b/drivers/spi/spi-sun6i.c @@ -391,6 +391,7 @@ static int sun6i_spi_probe(struct platform_device *pdev) master->transfer_one = sun6i_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; |