linux-kernel - Re: [PATCH v1 02/11] drm/tegra: switch to using devm_fwnode_gpiod

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Message-ID: <YxZzXqJiOPDVmACo@google.com>
Date:   Mon, 5 Sep 2022 15:08:30 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Mathias Nyman <mathias.nyman@...el.com>,
        Andy Shevchenko <andy.shevchenko@...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>,
        Felipe Balbi <balbi@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Vignesh Raghavendra <vigneshr@...com>,
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Subject: Re: [PATCH v1 02/11] drm/tegra: switch to using devm_fwnode_gpiod_get

On Mon, Sep 05, 2022 at 11:03:38PM +0200, Linus Walleij wrote:
> On Mon, Sep 5, 2022 at 9:37 PM Dmitry Torokhov
> <dmitry.torokhov@...il.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@...il.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.

Yep, that one, exactly. It is taking a bit longer than I anticipated ;)

Thanks.

-- 
Dmitry