Re: [PATCH 01/16] iio: accel: bma180: Simplify with dev_err_probe()

Jonathan Cameron
2020-08-27T12:04:10Z

On Wed, 26 Aug 2020 16:51:38 +0200
Krzysztof Kozlowski <krzk@kernel.org> wrote:

> Common pattern of handling deferred probe can be simplified with
> dev_err_probe(). Less code and also it prints the error value.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

Please make sure to send v2 to linux-iio@vger.kernel.org

> ---
> drivers/iio/accel/bma180.c | 20 ++++++++------------
> 1 file changed, 8 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c
> index 5b7a467c7b27..448faed001fd 100644
> --- a/drivers/iio/accel/bma180.c
> +++ b/drivers/iio/accel/bma180.c
> @@ -1000,19 +1000,15 @@ static int bma180_probe(struct i2c_client *client,
> return ret;
>
> data->vdd_supply = devm_regulator_get(dev, "vdd");
> - if (IS_ERR(data->vdd_supply)) {
> - if (PTR_ERR(data->vdd_supply) != -EPROBE_DEFER)
> - dev_err(dev, "Failed to get vdd regulator %d\n",
> - (int)PTR_ERR(data->vdd_supply));
> - return PTR_ERR(data->vdd_supply);
> - }
> + if (IS_ERR(data->vdd_supply))
> + return dev_err_probe(dev, PTR_ERR(data->vdd_supply),
> + "Failed to get vdd regulator\n");
> +
> data->vddio_supply = devm_regulator_get(dev, "vddio");
> - if (IS_ERR(data->vddio_supply)) {
> - if (PTR_ERR(data->vddio_supply) != -EPROBE_DEFER)
> - dev_err(dev, "Failed to get vddio regulator %d\n",
> - (int)PTR_ERR(data->vddio_supply));
> - return PTR_ERR(data->vddio_supply);
> - }
> + if (IS_ERR(data->vddio_supply))
> + return dev_err_probe(dev, PTR_ERR(data->vddio_supply),
> + "Failed to get vddio regulator\n");
> +
> /* Typical voltage 2.4V these are min and max */
> ret = regulator_set_voltage(data->vdd_supply, 1620000, 3600000);
> if (ret)