Thread (33 messages) flat view 33 messages, 5 authors, 2011-12-20

Re: [PATCH 3/3] mtd/nand : workaround for Freescale FCM to support large-page Nand chip

From: Artem Bityutskiy <dedekind1@gmail.com>
Date: 2011-12-12 21:19:49
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On Mon, 2011-12-12 at 15:15 -0600, Scott Wood wrote:
NAND chips come from the factory with bad blocks marked at a certain
offset into each page.  This offset is normally in the OOB area, but
since we change the layout from "4k data, 128 byte oob" to "2k data, 64
byte oob, 2k data, 64 byte oob" the marker is no longer in the oob.  On
first use we need to migrate the markers so that they are still in the oob.
Ah, I see, thanks. Are you planning to implement in-kernel migration or
use a user-space tool?

Artem.
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