diff mbox series

[v2,12/18] iio: dac: dpot-dac: Simplify with dev_err_probe()

Message ID 20200827192642.1725-12-krzk@kernel.org (mailing list archive)
State New, archived
Headers show
Series [v2,01/18] iio: accel: bma180: Simplify with dev_err_probe() | expand

Commit Message

Krzysztof Kozlowski Aug. 27, 2020, 7:26 p.m. UTC
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>
---
 drivers/iio/dac/dpot-dac.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

Comments

Andy Shevchenko Aug. 27, 2020, 7:55 p.m. UTC | #1
On Thu, Aug 27, 2020 at 10:28 PM 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.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>  drivers/iio/dac/dpot-dac.c | 16 ++++++----------
>  1 file changed, 6 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/iio/dac/dpot-dac.c b/drivers/iio/dac/dpot-dac.c
> index be61c3b01e8b..2258535b8a42 100644
> --- a/drivers/iio/dac/dpot-dac.c
> +++ b/drivers/iio/dac/dpot-dac.c
> @@ -183,18 +183,14 @@ static int dpot_dac_probe(struct platform_device *pdev)
>         indio_dev->num_channels = 1;
>
>         dac->vref = devm_regulator_get(dev, "vref");
> -       if (IS_ERR(dac->vref)) {
> -               if (PTR_ERR(dac->vref) != -EPROBE_DEFER)
> -                       dev_err(&pdev->dev, "failed to get vref regulator\n");
> -               return PTR_ERR(dac->vref);
> -       }
> +       if (IS_ERR(dac->vref))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(dac->vref),
> +                                    "failed to get vref regulator\n");
>
>         dac->dpot = devm_iio_channel_get(dev, "dpot");
> -       if (IS_ERR(dac->dpot)) {
> -               if (PTR_ERR(dac->dpot) != -EPROBE_DEFER)
> -                       dev_err(dev, "failed to get dpot input channel\n");
> -               return PTR_ERR(dac->dpot);
> -       }
> +       if (IS_ERR(dac->dpot))
> +               return dev_err_probe(&pdev->dev, PTR_ERR(dac->dpot),
> +                                    "failed to get dpot input channel\n");
>
>         ret = iio_get_channel_type(dac->dpot, &type);
>         if (ret < 0)
> --
> 2.17.1
>
diff mbox series

Patch

diff --git a/drivers/iio/dac/dpot-dac.c b/drivers/iio/dac/dpot-dac.c
index be61c3b01e8b..2258535b8a42 100644
--- a/drivers/iio/dac/dpot-dac.c
+++ b/drivers/iio/dac/dpot-dac.c
@@ -183,18 +183,14 @@  static int dpot_dac_probe(struct platform_device *pdev)
 	indio_dev->num_channels = 1;
 
 	dac->vref = devm_regulator_get(dev, "vref");
-	if (IS_ERR(dac->vref)) {
-		if (PTR_ERR(dac->vref) != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "failed to get vref regulator\n");
-		return PTR_ERR(dac->vref);
-	}
+	if (IS_ERR(dac->vref))
+		return dev_err_probe(&pdev->dev, PTR_ERR(dac->vref),
+				     "failed to get vref regulator\n");
 
 	dac->dpot = devm_iio_channel_get(dev, "dpot");
-	if (IS_ERR(dac->dpot)) {
-		if (PTR_ERR(dac->dpot) != -EPROBE_DEFER)
-			dev_err(dev, "failed to get dpot input channel\n");
-		return PTR_ERR(dac->dpot);
-	}
+	if (IS_ERR(dac->dpot))
+		return dev_err_probe(&pdev->dev, PTR_ERR(dac->dpot),
+				     "failed to get dpot input channel\n");
 
 	ret = iio_get_channel_type(dac->dpot, &type);
 	if (ret < 0)