linux-kernel - Re: [PATCH V4] gpio: New driver for LSI ZEVIO SoCs

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Date:	Mon, 26 Aug 2013 10:58:36 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Fabian Vogt <fabian@...ter-vogt.de>
CC:	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org, devicetree@...r.kernel.org,
	linus.walleij@...aro.org, grant.likely@...aro.org,
	pawel.moll@....com, rob.herring@...xeda.com, mark.rutland@....com,
	ian.campbell@...rix.com
Subject: Re: [PATCH V4] gpio: New driver for LSI ZEVIO SoCs

On 08/25/2013 01:49 PM, Fabian Vogt wrote:
> This driver supports the GPIO controller found in LSI ZEVIO SoCs.
> It has been successfully tested on a TI nspire CX calculator.

> diff --git a/Documentation/devicetree/bindings/gpio/gpio-zevio.txt b/Documentation/devicetree/bindings/gpio/gpio-zevio.txt

> +Optional:
> +- #ngpios = <32>: Number of GPIOs. Defaults to 32 if absent

I think the GPIO count should be derived from the compatible value
instead. If it turns out there's a clear need for the property, it can
be added later in a backwards-compatible way.
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