linux-kernel - Re: [PATCH v5 1/6] gpiolib: Introduce a helper to get first GPIO controller node

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Message-ID: <CAHp75VcpZPB12Y4FVN4h9RdkvYQfELtbRnd08FfPpG1cJG-99g@mail.gmail.com>
Date:   Tue, 26 Apr 2022 12:29:20 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-amlogic <linux-amlogic@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v5 1/6] gpiolib: Introduce a helper to get first GPIO
 controller node

On Tue, Apr 26, 2022 at 12:27 AM Bartosz Golaszewski <brgl@...ev.pl> wrote:
>
> On Thu, Apr 14, 2022 at 9:02 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> >
> > Introduce a helper to get first GPIO controller node which drivers
> > may want to use.

> > +static inline struct fwnode_handle *gpiochip_node_get_first(struct device *dev)
> > +{
> > +       struct fwnode_handle *fwnode;
> > +
> > +       for_each_gpiochip_node(dev, fwnode)
> > +               return fwnode;
> > +
> > +       return NULL;
> > +}
> > +
> >  #endif /* __LINUX_GPIO_DRIVER_H */
> > --
> > 2.35.1
> >
>
> Any chance you could name it get_first_gpiochip_node()? It's static so
> we don't have to worry about the prefix and it would make the purpose
> more clear.

There are two things why I prefer it as is:
1) it's static inline, so it's part of (internal) but still exported API;
2) it's already in my for-next branch which I would like not to
rebase, until it's a really serious issue.

That said, if you still insist I can rename it.

-- 
With Best Regards,
Andy Shevchenko