spi: bcm2835: make use of new bits_per_word_mask core feature
authorStephen Warren <swarren@wwwdotorg.org>
Wed, 27 Mar 2013 02:37:58 +0000 (20:37 -0600)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Mon, 1 Apr 2013 13:14:33 +0000 (14:14 +0100)
This driver only supports bits_per_word==8, so inform the SPI core of
this. Remove all the open-coded validation that's no longer needed.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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