From: David Brown <mtd@davidb.org>
To: linux-mtd@lists.infradead.org
Subject: Re: Does UBI support MLC nand flash?
Date: Tue, 1 Jan 2008 23:27:18 -0800 [thread overview]
Message-ID: <20080102072715.GA11408@old.davidb.org> (raw)
In-Reply-To: <bae050c10801012213p2c7d630r6efcf5c1f77b78df@mail.gmail.com>
On Wed, Jan 02, 2008 at 02:13:07PM +0800, Nancy wrote:
>I notice mtd-utils "nandwrite.c" does write each page's oob area
>twice, write oob(filesystem area) once, and then call "pwrite" to
>write pagedata including oob (ecc part). I don't think that will work
>right on MLC nand.
The underlying driver will have to support cached writes for this to work.
It's listed as a TODO in nand_base.c, at least in the stable kernel.
Dave
next prev parent reply other threads:[~2008-01-02 7:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-02 1:42 Does UBI support MLC nand flash? Nancy
2008-01-02 4:45 ` Kyungmin Park
2008-01-02 6:13 ` Nancy
2008-01-02 6:19 ` Nancy
2008-01-02 7:13 ` David Brown
2008-01-02 12:39 ` Josh Boyer
2008-01-02 16:52 ` David Brown
2008-01-02 17:13 ` Josh Boyer
2008-01-02 17:17 ` David Brown
2008-01-03 7:19 ` Nancy
2008-01-02 7:11 ` David Brown
2008-01-02 7:23 ` Kyungmin Park
[not found] ` <bae050c10801020133h3b121b2ft47911a0d84921868@mail.gmail.com>
2008-01-02 9:36 ` Nancy
2008-01-02 9:37 ` Nancy
2008-01-02 7:27 ` David Brown [this message]
2008-01-02 13:46 ` Adrian Hunter
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