Vladimir Oltean 53fadb4d90 spi: spi-fsl-dspi: Simplify bytes_per_word gymnastics ...

Reduce the if-then-else-if-then-else sequence to:
 - a simple division in the case of bytes_per_word calculation
 - a memcpy command with a variable size. The semantics of larger-than-8
   xfer->bits_per_word is that those words are to be interpreted and
   transmitted in CPU native endianness.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20200304220044.11193-2-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

2020-03-05 14:06:14 +00:00

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