staging: iio: adc: ad7816: Drop unnecessary dev_set_drvdata() call

Remove the call to `dev_set_drvdata()` and the associated comment
since private data is never read.

Signed-off-by: Salah Triki <salah.triki@gmail.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/aKSRpTuwA0P-ZaUS@pc
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c
index 4774df778de949adfda55a2754ad746ea542bf06..172acf135f3bd001c7da6d57fb68a496c869a120 100644 (file)
--- a/drivers/staging/iio/adc/ad7816.c
+++ b/drivers/staging/iio/adc/ad7816.c
@@ -359,8 +359,6 @@ static int ad7816_probe(struct spi_device *spi_dev)
        if (!indio_dev)
                return -ENOMEM;
        chip = iio_priv(indio_dev);
-       /* this is only used for device removal purposes */
-       dev_set_drvdata(&spi_dev->dev, indio_dev);
 
        chip->spi_dev = spi_dev;
        for (i = 0; i <= AD7816_CS_MAX; i++)