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 <j...@openwrt.org>
---
drivers/spi/spi-bcm63xx.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index 04c460e..b64229c 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -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;
}
--
1.7.10.4
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