linux-kernel - Re: [PATCH v2] regulator: wm8994: Don't use devres for enable GPIOs

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Date:   Thu, 22 Nov 2018 15:19:45 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Charles Keepax <ckeepax@...nsource.cirrus.com>
Cc:     Mark Brown <broonie@...nel.org>,
        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 v2] regulator: wm8994: Don't use devres for enable GPIOs

On Wed, Nov 21, 2018 at 11:13 AM Charles Keepax
<ckeepax@...nsource.cirrus.com> wrote:

> The regulator core takes over managing the lifetime of the enable GPIO
> once the regulator is registered. As such we shouldn't register the
> enable GPIO using devm, or it will be freed twice.
>
> Reported-by: Marek Szyprowski <m.szyprowski@...sung.com>
> Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Thanks for fixing everything I break, I owe you big time Charles!

Now as Marek points out, I need to discern the pattern in this so
I can see if I broke something else the same way.

Yours,
Linus Walleij