spi: Catch improper use of PTP system timestamping API

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We can catch whether the SPI controller has declared it can take care of
software timestamping transfers, but didn't. So do it.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20191227012444.1204-1-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Vladimir Oltean 2019-12-27 03:24:44 +02:00 • committed by Mark Brown

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drivers/spi/spi.c

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