spi: orion: Convert to let spi core validate xfer->bits_per_word
authorAxel Lin <axel.lin@ingics.com>
Tue, 11 Feb 2014 12:51:36 +0000 (20:51 +0800)
committerMark Brown <broonie@linaro.org>
Tue, 11 Feb 2014 17:06:48 +0000 (17:06 +0000)
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>
Signed-off-by: Mark Brown <broonie@linaro.org>

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