linux-kernel - Re: [PATCH 8/9] ASoC: tlv320aic31xx: Fix the reset GPIO OF name

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Message-ID: <20171108213639.iymb7wuyjpuirbdu@sirena.co.uk>
Date:   Wed, 8 Nov 2017 21:36:39 +0000
From:   Mark Brown <broonie@...nel.org>
To:     "Andrew F. Davis" <afd@...com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/9] ASoC: tlv320aic31xx: Fix the reset GPIO OF name

On Wed, Nov 08, 2017 at 03:25:04PM -0600, Andrew F. Davis wrote:

> -	ret = of_get_named_gpio(np, "gpio-reset", 0);
> +	ret = of_get_named_gpio(np, "reset-gpio", 0);

This is obviously an incompatible change in the binding which will break
any production DTs relying on the current behaviour.  You need to keep
support for the existing property.

It also doesn't look like a good fix if we're aiming for conformance
with DT naming conventions as unless things changed all GPIO related
properties are supposed to end -gpios even if they can only ever specify
a single GPIO.

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