Re: [PATCH v2 18/18] iio: magnetometer: iio-mux: Simplify with dev_err_probe()

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On Thu, Aug 27, 2020 at 10:29 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/multiplexer/iio-mux.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/iio/multiplexer/iio-mux.c b/drivers/iio/multiplexer/iio-mux.c
> index 6910218fdb00..d219d4a86657 100644
> --- a/drivers/iio/multiplexer/iio-mux.c
> +++ b/drivers/iio/multiplexer/iio-mux.c
> @@ -354,11 +354,8 @@ static int mux_probe(struct platform_device *pdev)
>                 return -ENODEV;
>
>         parent = devm_iio_channel_get(dev, "parent");
> -       if (IS_ERR(parent)) {
> -               if (PTR_ERR(parent) != -EPROBE_DEFER)
> -                       dev_err(dev, "failed to get parent channel\n");
> -               return PTR_ERR(parent);
> -       }
> +       if (IS_ERR(parent))
> +               return dev_err_probe(dev, PTR_ERR(parent), "failed to get parent channel\n");
>
>         sizeof_ext_info = iio_get_channel_ext_info_count(parent);
>         if (sizeof_ext_info) {
> --
> 2.17.1
>


-- 
With Best Regards,
Andy Shevchenko



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