From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from down.free-electrons.com ([37.187.137.238]
 helo=mail.free-electrons.com)
 by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux))
 id 1bkstD-0004IY-KP
 for linux-mtd@lists.infradead.org; Fri, 16 Sep 2016 13:09:15 +0000
Date: Fri, 16 Sep 2016 15:08:49 +0200
From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: David Woodhouse <dwmw2@infradead.org>, Brian Norris
 <computersforpeace@gmail.com>, linux-mtd@lists.infradead.org, Boris
 Brezillon <boris.brezillon@free-electrons.com>, Richard Weinberger
 <richard@nod.at>
Cc: Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>, Mark
 Rutland <mark.rutland@arm.com>, Ian Campbell
 <ijc+devicetree@hellion.org.uk>, Kumar Gala <galak@codeaurora.org>,
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RESEND PATCH 0/3] mtd: nand: standardize ECC maximization
Message-ID: <20160916150849.4a3ca0bb@bbrezillon>
In-Reply-To: <1465398264-8202-1-git-send-email-boris.brezillon@free-electrons.com>
References: <1465398264-8202-1-git-send-email-boris.brezillon@free-electrons.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>,
 <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/linux-mtd/>
List-Post: <mailto:linux-mtd@lists.infradead.org>
List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>,
 <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>

On Wed,  8 Jun 2016 17:04:21 +0200
Boris Brezillon <boris.brezillon@free-electrons.com> wrote:

> Hello,
> 
> Sorry for the noise, but I forgot to add DT maintainers in Cc.
> 
> This series aims at standardizing a feature already supported by
> some NAND controller drivers: setting the maximum ECC strength
> based on the OOB area size instead of using the ECC strength/step_size
> information retrieved from the DT or NAND detection code.
> 
> This is particularly useful when the NAND device is used in by a
> FS/wear-leveling layer that is not using the OOB area at all (this is
> the case of UBI).
> 
> Note that drivers already implementing this kind of logic are not
> converted to the new approach (because of backward compatibility
> concern), but new drivers or drivers that do not already implement
> this 'ECC maximization' logic are encouraged to do it.

Applied.

> 
> Regards,
> 
> Boris
> 
> Boris Brezillon (3):
>   mtd: nand: Add an option to maximize the ECC strength
>   mtd: nand: Support maximizing ECC when using software BCH
>   mtd: nand: sunxi: Support ECC maximization
> 
>  Documentation/devicetree/bindings/mtd/nand.txt |  9 ++++++++
>  drivers/mtd/nand/nand_base.c                   | 23 ++++++++++++++++++++
>  drivers/mtd/nand/sunxi_nand.c                  | 29 ++++++++++++++++++++++++++
>  include/linux/mtd/nand.h                       |  1 +
>  4 files changed, 62 insertions(+)
>