On Tue, 28 Sep 2021 09:41:55 +0800 Cai Huoqing <caihuoqing@xxxxxxxxx> wrote: > When possible use dev_err_probe help to properly deal with the > PROBE_DEFER error, the benefit is that DEFER issue will be logged > in the devices_deferred debugfs file. > Using dev_err_probe() can reduce code size, and the error value > gets printed. > > Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx> Applied this patch to the togreg branch of iio.git and pushed out as testing for 0-day to try it out. Note I didn't pick up 1 and 3 from this series and will expect to see a v3 of those or reply to the relevant reviews. Thanks, Jonathan > --- > v1->v2: Remove the separate line of PTR_ERR(). > > drivers/iio/light/noa1305.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/iio/light/noa1305.c b/drivers/iio/light/noa1305.c > index a308fbc2fc7b..71a322227429 100644 > --- a/drivers/iio/light/noa1305.c > +++ b/drivers/iio/light/noa1305.c > @@ -217,10 +217,9 @@ static int noa1305_probe(struct i2c_client *client, > priv = iio_priv(indio_dev); > > priv->vin_reg = devm_regulator_get(&client->dev, "vin"); > - if (IS_ERR(priv->vin_reg)) { > - dev_err(&client->dev, "get regulator vin failed\n"); > - return PTR_ERR(priv->vin_reg); > - } > + if (IS_ERR(priv->vin_reg)) > + return dev_err_probe(&client->dev, PTR_ERR(priv->vin_reg), > + "get regulator vin failed\n"); > > ret = regulator_enable(priv->vin_reg); > if (ret) {