Commit 7715aad4 authored by Mike Frysinger's avatar Mike Frysinger
Browse files

spi/bfin_spi: reject unsupported SPI modes 



Who knows what people will try!

Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent a75bd65b

drivers/spi/spi_bfin5xx.c

+4 −0
Original line number Diff line number Diff line
@@ -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)