linux-kernel - Re: [PATCH 1/4] gpiolib: cdev: relocate debounce_period_us from struct gpio

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Message-ID: <CAMRc=Mc45zQOQycNJ+XH-1V4=FHCXfXusrcHsKUtED1Z_4bYgw@mail.gmail.com>
Date:   Wed, 13 Dec 2023 17:16:07 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Kent Gibson <warthog618@...il.com>
Cc:     Andy Shevchenko <andy@...nel.org>, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, linus.walleij@...aro.org
Subject: Re: [PATCH 1/4] gpiolib: cdev: relocate debounce_period_us from
 struct gpio_desc

On Wed, Dec 13, 2023 at 5:15 PM Kent Gibson <warthog618@...il.com> wrote:
>
> On Wed, Dec 13, 2023 at 04:40:12PM +0100, Bartosz Golaszewski wrote:
> > On Wed, Dec 13, 2023 at 3:27 PM Kent Gibson <warthog618@...il.com> wrote:
> > >
> >
> > > >
> > > > > +out_unlock:
> > > > > +   spin_unlock(&supinfo.lock);
> > > >
> > > > No use of cleanup.h?
> > > >
> > >
> > > Again, that is new to me, so no not yet.
> > >
> >
> > Yep, please use a guard, they're awesome. :)
> >
>
> Before I go nuts and switch everything over, is it ok to put a return
> within the scoped_guard - it will automatically unlock on the way out?
>

Yes! This is precisely why they're so great.

Bart

> Cheers,
> Kent.