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From: Timo Teras <timo.teras@solidboot.com>
To: Kyungmin Park <kyungmin.park@samsung.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
	David Woodhouse <dwmw2@infradead.org>,
	Timo Teras <timo.teras@solidboot.com>
Subject: Re: OneNAND: Update OOB free table
Date: Mon, 11 Dec 2006 14:20:01 +0200	[thread overview]
Message-ID: <20061211122001.GA28125@mail.solidboot.com> (raw)
In-Reply-To: <1216089.366391165536680515.JavaMail.weblogic@ep_ml03>

On Fri, Dec 08, 2006 at 12:11:06AM +0000, Kyungmin Park wrote:
> I think we consider the whole spare area. if we don't use this area. we
> only have 8 bytes of 64 bytes in spare area. If it makes misbehavior of
> JFFS2, we have alternative method turn off ecc logic when write oob area.
> 
> % original
> 
>  OOB Data: ff ff 85 19 03 ff ff ff ff ff ff 30 ff ff ff ff
> 
> % after patch
> 
>  OOB Data: ff ff 85 19 03 ff ff ff ff ff ff ff ff ff ff ff
> 
> Pleaes test this patch

Tested. This breaks reading OOB area and the clean marker from there. After
OOB has been written without ECC it must be read without ECC too or
we start to get ECC errors.

Cheers,
  Timo

  parent reply	other threads:[~2006-12-11 12:20 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-08  0:11 OneNAND: Update OOB free table Kyungmin Park
2006-12-08  8:43 ` Timo Teras
2006-12-11 12:20 ` Timo Teras [this message]
  -- strict thread matches above, loose matches on Subject: below --
2006-12-15  2:38 Kyungmin Park
2006-12-15  8:33 ` Timo Teras
2006-12-15 10:41 ` Artem Bityutskiy
2006-12-15 11:19   ` Timo Teras
2006-12-18  4:24 Kyungmin Park
2006-12-18 14:23 ` Artem Bityutskiy
2006-12-21 11:15 ` Artem Bityutskiy
2006-12-21 12:35   ` Artem Bityutskiy
2006-12-22  1:52 Kyungmin Park
2006-12-22  9:17 ` Artem Bityutskiy
2006-12-26  7:15 Kyungmin Park

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