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spi: sun4i: Set bits_per_word_mask to only support 8 bits word length
authorAxel Lin <axel.lin@ingics.com>
Sun, 2 Mar 2014 14:25:10 +0000 (22:25 +0800)
committerMark Brown <broonie@linaro.org>
Tue, 4 Mar 2014 03:08:05 +0000 (11:08 +0800)
commitba47644d5b79914fe53b69c639902afce8ccfe7f
treecca45521dca99665ed433e54b0927a7eb6c77791
parentb5f6517948cce50bde9aa441b4f00b63518f6421
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>
drivers/spi/spi-sun4i.c