spi: stm32: use explicit CPOL and CPHA mode bits

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Driver supports SPI mode 0 to 3 not only the mode 3.
Use SPI_CPOL and SPI_CPHA indicates that these bits
can be changed to obtain modes 0 - 3.

Signed-off-by: Cezary Gapinski <cezary.gapinski@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Cezary Gapinski 2018-12-24 23:00:31 +01:00 • committed by Mark Brown

parent bb35c9f91a

commit d6cea11b09

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drivers/spi/spi-stm32.c

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