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Message-ID: <ZcDkvOrlSRkmYIk_@smile.fi.intel.com>
Date: Mon, 5 Feb 2024 15:38:04 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Linus Walleij <linus.walleij@...aro.org>,
	Kent Gibson <warthog618@...il.com>, Alex Elder <elder@...aro.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	"Paul E . McKenney" <paulmck@...nel.org>,
	Wolfram Sang <wsa@...-dreams.de>, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v2 08/23] gpio: sysfs: use gpio_device_find() to iterate
 over existing devices

On Mon, Feb 05, 2024 at 02:19:10PM +0100, Bartosz Golaszewski wrote:
> On Mon, Feb 5, 2024 at 1:36 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> > On Mon, Feb 05, 2024 at 10:34:03AM +0100, Bartosz Golaszewski wrote:
> > > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > >
> > > With the list of GPIO devices now protected with SRCU we can use
> > > gpio_device_find() to traverse it from sysfs.

..

> > > +static int gpiofind_sysfs_register(struct gpio_chip *gc, void *data)
> > > +{
> > > +     struct gpio_device *gdev = gc->gpiodev;
> > > +     int ret;
> > > +
> > > +     if (gdev->mockdev)
> > > +             return 0;
> > > +
> > > +     ret = gpiochip_sysfs_register(gdev);
> > > +     if (ret)
> > > +             chip_err(gc, "failed to register the sysfs entry: %d\n", ret);
> >
> > > +     return 0;
> >
> > ???

What the point of function to be int if you effectively ignore this by always
returning 0?

> Not sure what the ... and ??? mean? The commit message should have
> read "... traverse it from gpiofind_sysfs_register()" I agree but the
> latter?

I didn't realize this may not be obvious :-(.

> > > +}

-- 
With Best Regards,
Andy Shevchenko



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