linux-kernel - Re: [PATCH 2/2] mmc: dw_mmc: Handle wp-gpios from device tree

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Message-ID: <CAD=FV=Xz_nQSLqoR7TSd8vn5No9+TVa9q-hp1i0BpgUK=G3EoQ@mail.gmail.com>
Date:	Wed, 21 Nov 2012 20:33:55 -0800
From:	Doug Anderson <dianders@...omium.org>
To:	Seungwon Jeon <tgih.jun@...sung.com>
Cc:	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>,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] mmc: dw_mmc: Handle wp-gpios from device tree

On Wed, Nov 21, 2012 at 5:42 PM, Seungwon Jeon <tgih.jun@...sung.com> wrote:
> Hi,
>
> wp-gpios has been implemented in dw_mmc-exynos.c
> It can be reused for EXYNOS platform? We need to modify some though.

Yup, I've seen that.  Patch 1/2 ("mmc: dw_mmc: exynos: Stop claiming
wp-gpio") addressed that.  For some reason I can't find that on
LKML.org yet.  Strange.  :-/  I'll forward it on to you shortly.

In any case: I found that the exynos code didn't actually work.  It
claimed the GPIO but didn't ever look at it.

I have the beginnings of the code to implement this properly in the
exynos code but I stopped working on it when I decided that other SoCs
could also benefit from the code and it fit better in the general
dw_mmc driver.

If you disagree and would like me to cleanup the version of this patch
that's just in the exynos driver and post that, I will.  Just let me
know.

Thanks for the review!

-Doug
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