linux-kernel - Re: [PATCH 1/2] MTD: s3c2410_nand: Add option to disable hw ECC at runtime

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Message-ID: <4DA7094D.9070002@metafoo.de>
Date:	Thu, 14 Apr 2011 16:48:45 +0200
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	dedekind1@...il.com
CC:	Ben Dooks <ben-linux@...ff.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Holger Freyther <zecke@...nmoko.org>
Subject: Re: [PATCH 1/2] MTD: s3c2410_nand: Add option to disable hw ECC at
 runtime

On 04/14/2011 02:08 PM, Artem Bityutskiy wrote:
> On Tue, 2011-04-12 at 21:47 +0200, Lars-Peter Clausen wrote:
>> From: Holger Freyther <zecke@...nmoko.org>
>>
>> This patch adds a flag to the s3c2410_nand platform data, which configures
>> whether hardware ECC is used.
>>
>> Currently it is only possible to decide whether hw ECC should be used or not at
>> compile time through a config option. But if you want to build a kernel which
>> runs on multiple devices you might have a configuration where some devices
>> require hw ECC and some devices which want software ECC.
>>
>> Signed-off-by: Lars-Peter Clausen <lars@...afoo.de>
> 
> Extending platform data is kind of vetoed in arm tree, I do not think
> the MTD tree can take these changes.
> 
That is not my understanding of the situation. But what do you suggest as an
alternative for fixing this issue?

- Lars
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