diff options
| -rw-r--r-- | 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) |
