Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
MIME-Version: 1.0
References: <20220903-gpiod_get_from_of_node-remove-v1-0-b29adfb27a6c@gmail.com>
 <20220903-gpiod_get_from_of_node-remove-v1-2-b29adfb27a6c@gmail.com>
 <CAHp75Vc4yfh0JcY0B-vNawHTay5QNuhd7GAm86QZZZvUnQaMzQ@mail.gmail.com> <YxZP/exeVD7DQ5Hx@google.com>
In-Reply-To: <YxZP/exeVD7DQ5Hx@google.com>
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Mon, 5 Sep 2022 23:03:38 +0200
Message-ID: <CACRpkda0iUTV=71eQf5_FdKWLe3Bu=U+Zny9_uJJL=5xXtnrnQ@mail.gmail.com>
Subject: Re: [PATCH v1 02/11] drm/tegra: switch to using devm_fwnode_gpiod_get
To:     Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Mathias Nyman <mathias.nyman@intel.com>
Cc:     Andy Shevchenko <andy.shevchenko@gmail.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Matti Vaittinen <mazziesaccount@gmail.com>,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        Claudiu Beznea <claudiu.beznea@microchip.com>,
        Liam Girdwood <lgirdwood@gmail.com>,
        Wim Van Sebroeck <wim@linux-watchdog.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Felipe Balbi <balbi@kernel.org>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= <kw@linux.com>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Marc Zyngier <maz@kernel.org>,
        Richard Weinberger <richard@nod.at>,
        David Airlie <airlied@linux.ie>,
        Nicolas Ferre <nicolas.ferre@microchip.com>,
        Alyssa Rosenzweig <alyssa@rosenzweig.io>,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        Rob Herring <robh@kernel.org>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        =?UTF-8?Q?Pali_Roh=C3=A1r?= <pali@kernel.org>,
        LINUXWATCHDOG <linux-watchdog@vger.kernel.org>,
        USB <linux-usb@vger.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        linux-pci <linux-pci@vger.kernel.org>,
        linux-tegra <linux-tegra@vger.kernel.org>,
        "open list:MEMORY TECHNOLOGY..." <linux-mtd@lists.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        linux-stm32@st-md-mailman.stormreply.com,
        linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Mon, Sep 5, 2022 at 9:37 PM Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:
> On Mon, Sep 05, 2022 at 01:57:01PM +0300, Andy Shevchenko wrote:
> > On Mon, Sep 5, 2022 at 9:32 AM Dmitry Torokhov
> > <dmitry.torokhov@gmail.com> wrote:
> > >
> > > I would like to limit (or maybe even remove) use of
> > > [devm_]gpiod_get_from_of_node in drivers so that gpiolib can be cleaned
> > > a bit, so let's switch to the generic device property API.
> >
> > > It may even
> > > help with handling secondary fwnodes when gpiolib is taught to handle
> > > gpios described by swnodes.
> >
> > I would remove this sentence from all commit messages since it's a
> > debatable thing and might even not happen, so the above is a pure
> > speculation.
>
> I have the patches. Granted, I had them since '19 ;) but I'm rebasing
> them and going to push them. I need them to convert bunch of input
> drivers away from platform data.

That's good news!

Are you referring to this patch set mentioned in a discussion
from 2017 thru 2020?
https://lore.kernel.org/linux-input/20200826161222.GA1665100@dtor-ws/

I put aside GPIO descriptor conversion for input devices (keys, buttons)
in board files anticipating a swnode mechanism.

Yours,
Linus Walleij