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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	[thread overview]
Message-ID: <20210715230836.222817-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20210625123821.207458-1-s.riedmueller@phytec.de>

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

WARNING: multiple messages have this Message-ID (diff)
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	[thread overview]
Message-ID: <20210715230836.222817-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20210625123821.207458-1-s.riedmueller@phytec.de>

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

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

  parent reply	other threads:[~2021-07-15 23:08 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-25 12:38 [PATCH] mtd: rawnand: nand_bbt: Skip bad blocks when searching for the BBT in NAND Stefan Riedmueller
2021-06-25 12:38 ` Stefan Riedmueller
2021-07-06 16:13 ` Miquel Raynal
2021-07-06 16:13   ` Miquel Raynal
2021-07-07  8:22   ` [PATCH] fixup! " Stefan Riedmueller
2021-07-07  8:22     ` Stefan Riedmueller
2021-07-07  9:18   ` [PATCH] " Alexander Dahl
2021-07-07  9:18     ` Alexander Dahl
2021-07-08  8:42     ` Stefan Riedmüller
2021-07-08  8:42       ` Stefan Riedmüller
2021-07-15 23:08 ` Miquel Raynal [this message]
2021-07-15 23:08   ` Miquel Raynal
  -- strict thread matches above, loose matches on Subject: below --
2021-03-25 10:23 Stefan Riedmueller
2021-03-25 10:23 ` Stefan Riedmueller
2021-03-28 17:35 ` Miquel Raynal
2021-03-28 17:35   ` Miquel Raynal

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