Who knows what people will try!
Signed-off-by: Mike Frysinger <[email protected]>
---
drivers/spi/spi_bfin5xx.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
index 18b313a..a91e556 100644
--- a/drivers/spi/spi_bfin5xx.c
+++ b/drivers/spi/spi_bfin5xx.c
@@ -1022,6 +1022,10 @@ static int bfin_spi_setup(struct spi_device *spi)
}
/* translate common spi framework into our register */
+ if (spi->mode & ~(SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST)) {
+ dev_err(&spi->dev, "unsupported spi modes detected\n");
+ goto error;
+ }
if (spi->mode & SPI_CPOL)
chip->ctl_reg |= BIT_CTL_CPOL;
if (spi->mode & SPI_CPHA)
--
1.7.3.1
------------------------------------------------------------------------------
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