tree 8188f47312a99fd8c04ee233c1f94d7c943cfd1e
parent 7dc9fbc342deb2e2658ebdecb5ffd7ff57945a66
author Stefan Brüns <stefan.bruens@rwth-aachen.de> 1440338790 +0200
committer Mark Brown <broonie@kernel.org> 1440611909 +0100

spi: check bits_per_word in spi_setup

This allows drivers for devices connected via SPI to check if the
controller supports a given bits_per_word value during setup.
Currently any BPW value is accepted durings setup, and transfers
are rejected later.

Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Mark Brown <broonie@kernel.org>