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From:   Miquel Raynal <miquel.raynal@bootlin.com>
To:     Stefan Riedmueller <s.riedmueller@phytec.de>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Vignesh Raghavendra <vigneshr@ti.com>
Cc:     linux-mtd@lists.infradead.org, Richard Weinberger <richard@nod.at>,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
        Fabio Estevam <festevam@gmail.com>,
        Pengutronix Kernel Team <kernel@pengutronix.de>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Boris Brezillon <boris.brezillon@collabora.com>,
        Dan Brown <dan_brown@ieee.org>,
        David Woodhouse <dwmw2@infradead.org>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mtd: rawnand: nand_bbt: Skip bad blocks when searching for the BBT in NAND
Date:   Fri, 16 Jul 2021 01:08:36 +0200
Message-Id: <20210715230836.222817-1-miquel.raynal@bootlin.com>
In-Reply-To: <20210625123821.207458-1-s.riedmueller@phytec.de>
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On Fri, 2021-06-25 at 12:38:21 UTC, Stefan Riedmueller wrote:
> The blocks containing the bad block table can become bad as well. So
> make sure to skip any blocks that are marked bad when searching for the
> bad block table.
> 
> Otherwise in very rare cases where two BBT blocks wear out it might
> happen that an obsolete BBT is used instead of a newer available
> version.
> 
> This only applies to drivers which make use of a bad block marker in flash.
> Other drivers won't be able to identify bad BBT blocks and thus can't skip
> these.
> 
> Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel