linux-kernel - Re: [PATCH 2/2] gpio: of: Allow -gpio suffix for property names

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Date:	Fri, 25 Apr 2014 09:24:57 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Thierry Reding <thierry.reding@...il.com>,
	Rob Herring <robherring2@...il.com>
CC:	Linus Walleij <linus.walleij@...aro.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] gpio: of: Allow -gpio suffix for property names

On 04/24/2014 12:22 PM, Thierry Reding wrote:
...
> The downside of not allowing the gpiod API to support the -gpio suffix
> is that we'll never be able to convert drivers that use such a binding
> and will forever have a hodgepodge of GPIO APIs that we need to support.

Perhaps rather than making the existing gpiod API automatically search
for both -gpios and -gpio, we could make a new API for the other suffix,
so that driver indicate explicitly which property name they want. That
way, someone can't accidentally write -gpio in the DT and have it still
work. Or, add a parameter to the existing API, but that's probably a lot
more churn.

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