linux-kernel - Re: [PATCH 3/3] gpio: Add reference counting for non-exclusive GPIOs

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Message-ID: <CACRpkdZoX0pTqWwvhj__kVtnHqrYD4bJ0JaXzxBo8jOZEtd70Q@mail.gmail.com>
Date:   Tue, 27 Nov 2018 11:50:54 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        patches@...nsource.cirrus.com
Subject: Re: [PATCH 3/3] gpio: Add reference counting for non-exclusive GPIOs

On Mon, Nov 26, 2018 at 10:53 PM Linus Walleij <linus.walleij@...aro.org> wrote:

> I suspect maybe the lesser evil is to bite the bullet, invent
> gpiod_get_from_of_node() which is the missing API (we currently
> only have devm_gpiod_get_from_of_node()) and simply
> fix up the converted regulator drivers to avoid devm_*
> retrieveal in the same manner as wm8994 (the already
> queued patch). This will make the regulator core own the
> refcounting as it does today.
>
> It's a bit unelegant but it's very straight forward and I know
> I can fix it up qucikly.

I cooked a series like this, just taking it for a ride on the
0day build server before sending it out.

Yours,
Linus Walleij