From: "Jörn Engel" <joern@logfs.org>
To: David Brown <davidb@davidb.org>
Cc: linux-mtd@lists.infradead.org, "Jörn Engel" <joern@logfs.org>,
dwmw2@infradead.org, "Alexey Korolev" <akorolev@infradead.org>
Subject: Re: Limited support of NAND features in MTD.
Date: Tue, 18 Dec 2007 17:56:49 +0100 [thread overview]
Message-ID: <20071218165648.GH1741@lazybastard.org> (raw)
In-Reply-To: <20071218165758.GA11634@old.davidb.org>
On Tue, 18 December 2007 08:57:58 -0800, David Brown wrote:
>
> One problem with the on-chip copy is that ECC doesn't get corrected. If
> there are errors on readback, it will get written that way, and errors
> would accumulate.
Ouch! Such an implementation would indeed make this whole business
pointless.
> It is conceivable that the controller could do something intermediary, such
> as read the data, and if the ECC needs no correction, write from the
> on-chip cache, otherwise write the corrected data.
Yes, something like that would be necessary.
Jörn
--
To my face you have the audacity to advise me to become a thief - the worst
kind of thief that is conceivable, a thief of spiritual things, a thief of
ideas! It is insufferable, intolerable!
-- M. Binet in Scarabouche
next prev parent reply other threads:[~2007-12-18 17:02 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-12 11:51 Limited support of NAND features in MTD Alexey Korolev
2007-12-12 13:54 ` Artem Bityutskiy
2007-12-12 14:36 ` Josh Boyer
2007-12-13 17:47 ` Alexey Korolev
2007-12-18 14:23 ` Jörn Engel
2007-12-18 15:06 ` Alexey Korolev
2007-12-18 15:18 ` Jörn Engel
2007-12-18 15:46 ` Alexey Korolev
2007-12-18 16:07 ` Alexey Korolev
2007-12-18 16:57 ` David Brown
2007-12-18 16:56 ` Jörn Engel [this message]
2007-12-18 18:14 ` David Woodhouse
2007-12-19 10:49 ` Alexey Korolev
2007-12-19 10:52 ` David Woodhouse
2007-12-19 11:55 ` Alexey Korolev
2007-12-19 11:57 ` Artem Bityutskiy
2007-12-19 12:47 ` David Woodhouse
2007-12-18 15:48 ` Alexander Belyakov
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