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Message-ID: <CAGXv+5H8LBGQWC9uJk_ai8d5pfCA7FZMnDQve2QfTeA74acXmg@mail.gmail.com>
Date: Thu, 5 Sep 2024 16:49:12 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org, 
	Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH v1 1/1] regulator: of: Refactor of_get_*regulator() to
 decrease indentation

On Thu, Sep 5, 2024 at 3:09 AM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
>
> Refactor of_get_*regulator() to decrease indentation and increase readability.
> No functional changes intended.
>
> Signed-off-by: Andy Shevchenko <andy.shevchenko@...il.com>

Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>

> ---
>  drivers/regulator/of_regulator.c | 28 ++++++++++++----------------
>  1 file changed, 12 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
> index d5dd7a9e577b..3f490d81abc2 100644
> --- a/drivers/regulator/of_regulator.c
> +++ b/drivers/regulator/of_regulator.c
> @@ -572,14 +572,12 @@ static struct device_node *of_get_child_regulator(struct device_node *parent,
>
>         for_each_child_of_node(parent, child) {
>                 regnode = of_parse_phandle(child, prop_name, 0);
> -
> -               if (!regnode) {
> -                       regnode = of_get_child_regulator(child, prop_name);
> -                       if (regnode)
> -                               goto err_node_put;

Nit: I would probably rename this to out_node_put. But if we're going to
move to the scoped helper, we might as well just skip it.

> -               } else {
> +               if (regnode)
> +                       goto err_node_put;
> +
> +               regnode = of_get_child_regulator(child, prop_name);
> +               if (regnode)
>                         goto err_node_put;
> -               }
>         }
>         return NULL;
>
> @@ -607,17 +605,15 @@ static struct device_node *of_get_regulator(struct device *dev, const char *supp
>
>         snprintf(prop_name, 64, "%s-supply", supply);
>         regnode = of_parse_phandle(dev->of_node, prop_name, 0);
> +       if (regnode)
> +               return regnode;
>
> -       if (!regnode) {
> -               regnode = of_get_child_regulator(dev->of_node, prop_name);
> -               if (regnode)
> -                       return regnode;
> +       regnode = of_get_child_regulator(dev->of_node, prop_name);
> +       if (regnode)
> +               return regnode;
>
> -               dev_dbg(dev, "Looking up %s property in node %pOF failed\n",
> -                       prop_name, dev->of_node);
> -               return NULL;
> -       }
> -       return regnode;
> +       dev_dbg(dev, "Looking up %s property in node %pOF failed\n", prop_name, dev->of_node);
> +       return NULL;
>  }
>
>  static struct regulator_dev *of_find_regulator_by_node(struct device_node *np)
> --
> 2.46.0
>

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