linux-kernel - Re: [PATCH v1 01/11] PCI: tegra: switch to using devm_fwnode_gpiod

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Message-ID: <CAHp75Vf5R03nq6JmpVcVNX9L5CwM-uOmF39oHSZFP3QJe+GExQ@mail.gmail.com>
Date:   Mon, 5 Sep 2022 13:49:21 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Pali Rohár <pali@...nel.org>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Matti Vaittinen <mazziesaccount@...il.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
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Subject: Re: [PATCH v1 01/11] PCI: tegra: switch to using devm_fwnode_gpiod_get

On Mon, Sep 5, 2022 at 10:23 AM Pali Rohár <pali@...nel.org> wrote:
> On Sunday 04 September 2022 23:30:53 Dmitry Torokhov wrote:

...

> > -             rp->reset_gpio = devm_gpiod_get_from_of_node(dev, port,
> > -                                                          "reset-gpios", 0,
> > -                                                          GPIOD_OUT_LOW,
> > -                                                          label);
> > +             rp->reset_gpio = devm_fwnode_gpiod_get(dev,
> > +                                                    of_fwnode_handle(port),
> > +                                                    "reset",
> > +                                                    GPIOD_OUT_LOW,
> > +                                                    label);
>
> Why in pci-aardvark.c for PERST# reset-gpio you have used
> devm_gpiod_get_optional() and here in pci-tegra.c you have used
> devm_fwnode_gpiod_get()? I think that PERST# logic is same in both
> drivers.

It's not the same dev and its node in this case. There is one reset
for _all_ ports, here is the reset on _per port_ basis.

-- 
With Best Regards,
Andy Shevchenko