On Thu, Aug 27, 2020 at 10:27 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote: > > Common pattern of handling deferred probe can be simplified with > dev_err_probe(). Less code and also it prints the error value. Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > --- > drivers/iio/accel/mma8452.c | 20 ++++++-------------- > 1 file changed, 6 insertions(+), 14 deletions(-) > > diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c > index 4e6e70250048..104b87b98455 100644 > --- a/drivers/iio/accel/mma8452.c > +++ b/drivers/iio/accel/mma8452.c > @@ -1538,22 +1538,14 @@ static int mma8452_probe(struct i2c_client *client, > data->chip_info = match->data; > > data->vdd_reg = devm_regulator_get(&client->dev, "vdd"); > - if (IS_ERR(data->vdd_reg)) { > - if (PTR_ERR(data->vdd_reg) == -EPROBE_DEFER) > - return -EPROBE_DEFER; > - > - dev_err(&client->dev, "failed to get VDD regulator!\n"); > - return PTR_ERR(data->vdd_reg); > - } > + if (IS_ERR(data->vdd_reg)) > + return dev_err_probe(&client->dev, PTR_ERR(data->vdd_reg), > + "failed to get VDD regulator!\n"); > > data->vddio_reg = devm_regulator_get(&client->dev, "vddio"); > - if (IS_ERR(data->vddio_reg)) { > - if (PTR_ERR(data->vddio_reg) == -EPROBE_DEFER) > - return -EPROBE_DEFER; > - > - dev_err(&client->dev, "failed to get VDDIO regulator!\n"); > - return PTR_ERR(data->vddio_reg); > - } > + if (IS_ERR(data->vddio_reg)) > + return dev_err_probe(&client->dev, PTR_ERR(data->vddio_reg), > + "failed to get VDDIO regulator!\n"); > > ret = regulator_enable(data->vdd_reg); > if (ret) { > -- > 2.17.1 > -- With Best Regards, Andy Shevchenko