spi: spi-fsl-dspi: Support 4 to 16 bits per word transfers

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This extends the driver with support for all SPI framesizes from 4 to 16
bits, and adds support for per transfer specific bits_per_word, while at
the same time reducing code size and complexity.

Signed-off-by: Esben Haabendal <eha@deif.com>
Acked-by: Martin Hundebøll <martin@geanix.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Esben Haabendal 2018-06-20 09:34:35 +02:00 • committed by Mark Brown

parent 0a4ec2c158

commit dadcf4abd6

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1 changed files with 88 additions and 163 deletions

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drivers/spi/spi-fsl-dspi.c

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