Commit e2bdae06 authored Mar 12, 2013 by Jonas Gorski Committed by Mark Brown Mar 12, 2013

spi/bcm63xx: check spi bits_per_word in spi_setup



Instead of fixing up the bits_per_word (which the spi subsystem already
does for us), check it for supported values.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

parent 52f83bbd

drivers/spi/spi-bcm63xx.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -151,8 +151,11 @@ static void bcm63xx_spi_setup_transfer(struct spi_device *spi,

		static int bcm63xx_spi_setup(struct spi_device *spi)
		{
		if (!spi->bits_per_word)
		spi->bits_per_word = 8;
		if (spi->bits_per_word != 8) {
		dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n",
		__func__, spi->bits_per_word);
		return -EINVAL;
		}

		return 0;
		}