From: Urs Fässler <[email protected]> 3.12-stable review patch. If anyone has any objections, please let me know.
=============== commit da019f59cb16570e78feaf10380ac65a3a06861e upstream. When not using the "_optional" function, a dummy regulator is returned and the driver fails to initialize. Signed-off-by: Urs Fässler <[email protected]> Acked-by: Lars-Peter Clausen <[email protected]> Signed-off-by: Jonathan Cameron <[email protected]> Signed-off-by: Jiri Slaby <[email protected]> --- drivers/iio/dac/ad5686.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c index 57825ead7db2..7248147fbf2b 100644 --- a/drivers/iio/dac/ad5686.c +++ b/drivers/iio/dac/ad5686.c @@ -321,7 +321,7 @@ static int ad5686_probe(struct spi_device *spi) st = iio_priv(indio_dev); spi_set_drvdata(spi, indio_dev); - st->reg = devm_regulator_get(&spi->dev, "vcc"); + st->reg = devm_regulator_get_optional(&spi->dev, "vcc"); if (!IS_ERR(st->reg)) { ret = regulator_enable(st->reg); if (ret) -- 2.3.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
