Fabio Estevam 79cb14ab39 spi: mxs: Introduce spi_cs_is_valid()
Introduce spi_cs_is_valid() for validating spi bus and chip select numbers.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
2012-05-15 08:31:35 +02:00
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