spi/bfin_spi: reject unsupported SPI modes (7715aad4) · Commits · e / devices / android_kernel_xiaomi_markw

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)