linux-kernel - Re: [PATCH v4 1/5] mmc: dw_mmc: Add "disable-wp" device tree property

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Message-ID: <CAFbHwiTqpmiStLuLWn=aGQmR9yL+JOtYt=EkSAPf=PnTi0W1xw@mail.gmail.com>
Date:	Fri, 11 Jan 2013 17:12:45 +0000
From:	Will Newton <will.newton@...il.com>
To:	Doug Anderson <dianders@...omium.org>
Cc:	linux-mmc@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	Thomas Abraham <thomas.abraham@...aro.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
	Will Newton <will.newton@...tec.com>,
	Chris Ball <cjb@...top.org>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	linux-kernel@...r.kernel.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Abhilash Kesavan <a.kesavan@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH v4 1/5] mmc: dw_mmc: Add "disable-wp" device tree property

On Fri, Jan 11, 2013 at 5:03 PM, Doug Anderson <dianders@...omium.org> wrote:
> The "disable-wp" property is used to specify that a given SD card slot
> doesn't have a concept of write protect.  This eliminates the need for
> special case code for SD slots that should never be write protected
> (like a micro SD slot or a dev board).
>
> The dw_mmc driver is special in needing to specify "disable-wp"
> because the lack of a "wp-gpios" property means to use the special
> purpose write protect line.  On some other mmc devices the lack of
> "wp-gpios" means that write protect should be disabled.
>
> Signed-off-by: Doug Anderson <dianders@...omium.org>
> Acked-by: Seungwon Jeon <tgih.jun@...sung.com>

This looks ok to me too.

Acked-by: Will Newton <will.newton@...tec.com>
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