spi: npcm-pspi: improve spi transfer performance

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Improving spi 8 bit per word mode transfer performance
by using 16 bit per word transfer and receive when the data
length is even and larger than one.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Link: https://lore.kernel.org/r/20200115162301.235926-3-tmaimon77@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Tomer Maimon 2020-01-15 18:22:59 +02:00 • committed by Mark Brown

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drivers/spi/spi-npcm-pspi.c

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