linux-kernel - Re: [PATCH 1/2] gpio: samsung: Remove OF support for s3c24xx

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Date:	Wed, 17 Apr 2013 12:48:13 +0200
From:	Sylwester Nawrocki <s.nawrocki@...sung.com>
To:	Heiko Stübner <heiko@...ech.de>
Cc:	linus.walleij@...aro.org, grant.likely@...retlab.ca,
	kyungmin.park@...sung.com, kgene.kim@...sung.com,
	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org,
	Thomas Abraham <thomas.abraham@...aro.org>
Subject: Re: [PATCH 1/2] gpio: samsung: Remove OF support for s3c24xx

On 04/16/2013 08:13 PM, Heiko Stübner wrote:
> Am Dienstag, 16. April 2013, 19:41:34 schrieb Sylwester Nawrocki:
>> There is no users of this code and there is already a pinctrl
>> driver written for s3c24xx which is going to be used on any
>> s3c24xx DT platforms. Hence this has been effectively a dead
>> code in mainline.
>>
>> This reverts commit 172c6a13653ac8cd6a231293b87c93821e90c1d6
>> gpio: samsung: add devicetree init for s3c24xx arches
>>
>> Cc: Heiko Stübner <heiko@...ech.de>
>> Signed-off-by: Sylwester Nawrocki <s.nawrocki@...sung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
> 
> This patch stems from a time where I thought pinctrl on s3c24xx would be ages 
> away :-D, so

Heh, I just thought I would clean this up a bit. And now we have
a nice pinctrl driver for s3c24xx. 

As a side note, I've tried it on s3c2440, together with your patch 
series adding dt support for s3c2416. Need to resolve a couple more
issues and hopefully will have a booting system soon.

> Acked-by: Heiko Stuebner <heiko@...ech.de>

Thanks.

I abstained with posting the second patch, which removes Exynos4/5 OF 
support from the gpio-samsung driver. Now when those platforms have 
proper pinctrl driver it is not possible to support simultaneously 
the old (pre-eliminary) DT bindings and the standard GPIO bindings 
implemented by the pinctrl driver. Anyway I have it prepared so I'll
post it, at least it might be a starting point for a discussion.

Thanks,
Sylwester

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