linux-kernel - Re: [PATCH v5 02/10] regulator: Move OF-specific regulator lookup code to of

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Message-ID: <CAGXv+5FjwxGQgV6SdLfTeNRYbpcgwkEnCWvaZiWh4rs3bhs-2A@mail.gmail.com>
Date: Fri, 23 Aug 2024 14:49:59 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>, 
	Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Wolfram Sang <wsa@...nel.org>, 
	Benson Leung <bleung@...omium.org>, Tzung-Bi Shih <tzungbi@...nel.org>, 
	Mark Brown <broonie@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, 
	chrome-platform@...ts.linux.dev, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, Douglas Anderson <dianders@...omium.org>, 
	Johan Hovold <johan@...nel.org>, Jiri Kosina <jikos@...nel.org>, linux-i2c@...r.kernel.org
Subject: Re: [PATCH v5 02/10] regulator: Move OF-specific regulator lookup
 code to of_regulator.c

On Thu, Aug 22, 2024 at 9:47 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> On Thu, Aug 22, 2024 at 05:19:55PM +0800, Chen-Yu Tsai wrote:
> > There's still a bit of OF-specific code in the regulator device lookup
> > function.
> >
> > Move those bits of code over to of_regulator.c, and create a new
> > function of_regulator_dev_lookup() to encapsulate the code moved out of
> > regulator_dev_lookup().
> >
> > Also mark of_find_regulator_by_node() as static, since there are no
> > other users in other compile units.
> >
> > There are no functional changes.
>
> ...
>
> > +/**
> > + * of_get_child_regulator - get a child regulator device node
> > + * based on supply name
> > + * @parent: Parent device node
> > + * @prop_name: Combination regulator supply name and "-supply"
> > + *
> > + * Traverse all child nodes.
> > + * Extract the child regulator device node corresponding to the supply name.
> > + * returns the device node corresponding to the regulator if found, else
> > + * returns NULL.
>
> At the same time you may fix kernel-doc warnings (no "Return" section) in these
> three (on your wish you may fix others in a separate change, but it's not
> related to this series).

As you said some other functions are missing it as well, so I'll do a
patch separate from this series to fix them all.

> > + */
>
> ...
>
> > +/** of_regulator_dev_lookup - lookup a regulator device with device tree only
>
> Something went wrong with the indentation.

Will fix, and also add a "Return" section.


Thanks
ChenYu

> > + * @dev: Device pointer for regulator supply lookup.
> > + * @supply: Supply name or regulator ID.
> > + *
> > + * If successful, returns a struct regulator_dev that corresponds to the name
> > + * @supply and with the embedded struct device refcount incremented by one.
> > + * The refcount must be dropped by calling put_device().
> > + * On failure one of the following ERR-PTR-encoded values is returned:
> > + * -ENODEV if lookup fails permanently, -EPROBE_DEFER if lookup could succeed
> > + * in the future.
> > + */
>
> --
> With Best Regards,
> Andy Shevchenko
>
>