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authorStephen Warren <swarren@wwwdotorg.org>2013-05-21 20:36:34 -0600
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-05-22 10:57:43 -0500
commit2922a8de996956893bb98e4aa91be9774c958336 (patch)
treec9181673361f52877caa50047ecc04dabbd13c0d /drivers
parentc7788792a5e7b0d5d7f96d0766b4cb6112d47d75 (diff)
spi: introduce macros to set bits_per_word_mask
Introduce two macros to make setting up spi_master.bits_per_word_mask easier, and avoid mistakes like writing BIT(n) instead of BIT(n - 1). SPI_BPW_MASK is for a single supported value of bits_per_word_mask. SPI_BPW_RANGE_MASK represents a contiguous set of bit lengths. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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