From: Troy Kisky <troy.kisky@boundarydevices.com>
To: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Cc: David Brownell <david-b@pacbell.net>,
Nicolas Ferre <nicolas.ferre@rfo.atmel.com>,
linux-mtd@lists.infradead.org
Subject: Re: [PATCH 3/5] mtd: nand: atmel: use default ecc layout
Date: Thu, 14 May 2009 11:08:52 -0700 [thread overview]
Message-ID: <4A0C5E34.8080100@boundarydevices.com> (raw)
In-Reply-To: <20090514102311.56495bb0@hskinnemoen-d830>
Haavard Skinnemoen wrote:
> David Brownell wrote:
>> On Wednesday 13 May 2009, Troy Kisky wrote:
>>> atmel should not need to override default
>> Doesn't this break compatibility with every system now
>> in the field? As in, "install a new kernel, trash all
>> the data now in your NAND flash"??
>
> I also suspect it will break hardware ECC. The ECC controller is a bit
> picky about the OOB layout, which is why the defaults were overriden in
> the first place.
>
> Haavard
>
Thanks for responding.
This patch by itself would break ECCs. But with the 1st two patches
it shouldn't. I would love to have that assertion tested however.
Troy
next prev parent reply other threads:[~2009-05-14 18:09 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1242270008-1552-1-git-send-email-troy.kisky@boundarydevices.com>
2009-05-14 4:42 ` [PATCH 1/5] mtd: nand: move layout structure into nand_ecc_ctrl David Brownell
2009-05-14 17:53 ` Troy Kisky
2009-05-14 18:08 ` David Brownell
[not found] ` <1242270008-1552-2-git-send-email-troy.kisky@boundarydevices.com>
2009-05-14 5:10 ` [PATCH 2/5] mtd: nand: Calculate better default ecc layout David Brownell
2009-05-14 17:59 ` Troy Kisky
[not found] ` <1242270008-1552-3-git-send-email-troy.kisky@boundarydevices.com>
2009-05-14 5:12 ` [PATCH 3/5] mtd: nand: atmel: use " David Brownell
2009-05-14 8:23 ` Haavard Skinnemoen
2009-05-14 18:08 ` Troy Kisky [this message]
2009-05-15 7:26 ` Richard Genoud
2009-05-15 19:57 ` Richard Genoud
2009-05-15 22:15 ` Troy Kisky
2009-05-15 22:38 ` Richard Genoud
2009-05-15 23:04 ` Troy Kisky
2009-05-14 18:04 ` Troy Kisky
2009-05-20 15:19 ` Nicolas Ferre
2009-05-20 18:28 ` Troy Kisky
[not found] ` <1242270008-1552-4-git-send-email-troy.kisky@boundarydevices.com>
2009-05-14 5:18 ` [PATCH 4/5] mtd: nand: cafe_nand: " David Brownell
2009-05-14 21:18 ` Troy Kisky
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