From: Thomas Gleixner <tglx@linutronix.de>
To: Han Chang <posaune@hotmail.com>
Cc: linux-mtd@lists.infradead.org
Subject: Re: A question about reading newly erased page with NAND_ECC_SOFT.
Date: Thu, 31 Aug 2006 00:29:38 +0200 [thread overview]
Message-ID: <1156976978.29250.233.camel@localhost.localdomain> (raw)
In-Reply-To: <BAY110-F2473A78E4AFBB929E89D10BC450@phx.gbl>
On Fri, 2006-08-25 at 15:11 -0700, Han Chang wrote:
> Hi All,
>
> For a newly erased page, the content of both user data and oob are 0xff. If
> NAND_ECC_SOFT is enabled, the ecc code in the oob, which is 0xff, is not
> right ecc code. Then if the file system tries to read a newly erased page,
> it will be problem. Does anyone know how to get around this?
It is correct. The software based ECC value of all 0xFF is 0xFF
tglx
next prev parent reply other threads:[~2006-08-30 22:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-25 22:11 A question about reading newly erased page with NAND_ECC_SOFT Han Chang
2006-08-30 22:29 ` Thomas Gleixner [this message]
2006-09-07 22:40 ` nand_bbt.c Han Chang
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