According to the datasheet, this driver supports only SPI mode 3, so we should enforce it and call spi_setup() on probe function. Signed-off-by: Rodrigo Ribeiro Carvalho <rodrigorsdc@xxxxxxxxx> --- V5: - Add this patch to the patchset drivers/staging/iio/accel/adis16240.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/staging/iio/accel/adis16240.c b/drivers/staging/iio/accel/adis16240.c index 82099db4bf0c..77b6b81767b9 100644 --- a/drivers/staging/iio/accel/adis16240.c +++ b/drivers/staging/iio/accel/adis16240.c @@ -400,6 +400,13 @@ static int adis16240_probe(struct spi_device *spi) indio_dev->num_channels = ARRAY_SIZE(adis16240_channels); indio_dev->modes = INDIO_DIRECT_MODE; + spi->mode = SPI_MODE_3; + ret = spi_setup(spi); + if (ret) { + dev_err(&spi->dev, "spi_setup failed!\n"); + return ret; + } + ret = adis_init(st, indio_dev, spi, &adis16240_data); if (ret) return ret; -- 2.24.0