From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-bw0-f49.google.com ([209.85.214.49]) by bombadil.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1P12zc-0006uQ-D2 for linux-mtd@lists.infradead.org; Wed, 29 Sep 2010 20:11:08 +0000 Received: by bwz19 with SMTP id 19so1176164bwz.36 for ; Wed, 29 Sep 2010 13:11:07 -0700 (PDT) Subject: Re: Add support for BBT without touching OOB area From: Artem Bityutskiy To: Sebastian Andrzej Siewior In-Reply-To: <1285782234-32509-1-git-send-email-bigeasy@linutronix.de> References: <1285782234-32509-1-git-send-email-bigeasy@linutronix.de> Content-Type: text/plain; charset="UTF-8" Date: Wed, 29 Sep 2010 23:11:00 +0300 Message-ID: <1285791060.1776.34.camel@brekeke> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: tglx@linutronix.de, linux-mtd@lists.infradead.org Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2010-09-29 at 19:43 +0200, Sebastian Andrzej Siewior wrote: > Without this patch (number three) NAND controllers which use complete OOB > area for ECC information can not use a BBT at all. The vendor bit is > gone after the first write and the flash BBT stores a marker in the OOB > area. The patch simply moves the marker into the data area. > > The series contains: > - [PATCH 1/5] mtd/nand: use ALIGN where possible > - [PATCH 2/5] mtd/nand: pull in td into read_bbt() > clean up. Pushed these to l2-mtd-2.6.git. > - [PATCH 3/5] mtd/nand: add support for BBT without OOB > adds the functionality. Sent some minor requests. -- Best Regards, Artem Bityutskiy (Битюцкий Артём)