linux-kernel - Re: [PATCH v2 2/4] ACPI / gpio: Add support for naming GPIOs

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Date:   Sun, 9 Oct 2016 18:01:27 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/4] ACPI / gpio: Add support for naming GPIOs

On Fri, Oct 07, 2016 at 08:05:14PM +0300, Andy Shevchenko wrote:
> On Thu, Sep 29, 2016 at 4:39 PM, Mika Westerberg
> <mika.westerberg@...ux.intel.com> wrote:
> > DT has property 'gpio-line-names' to name GPIO lines the controller has if
> > present. Use this very same property in ACPI as well to provide nice names
> > for the GPIOS.
> 
> One nit below.
> 
> > @@ -835,6 +875,9 @@ void acpi_gpiochip_add(struct gpio_chip *chip)
> >                 return;
> >         }
> >
> > +       if (!chip->names)
> > +               acpi_gpiochip_set_names(acpi_gpio);
> > +
> 
> I'm okay with this, though wouldn't be better to call it
> unconditionally like it's done for below call and move check inside?

DT does it like this. I can move the check inside the function as well.

> 
> >         acpi_gpiochip_request_regions(acpi_gpio);
> >         acpi_walk_dep_device_list(handle);
> >  }
> 
> -- 
> With Best Regards,
> Andy Shevchenko