linux-kernel - Re: [RFC PATCH] mtd: spinand: core: Properly fill the OOB area.

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Message-Id: <20210806200309.393655-1-miquel.raynal@bootlin.com>
Date:   Fri,  6 Aug 2021 22:03:08 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Daniel Palmer <daniel@...f.com>, miquel.raynal@...tlin.com,
        richard@....at
Cc:     linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] mtd: spinand: core: Properly fill the OOB area.

On Thu, 2021-06-17 at 11:08:42 UTC, Daniel Palmer wrote:
> The comment in spinand_write_to_cache_op() says that
> spinand_ondie_ecc_prepare_io_req() should 0xff fill the OOB
> area but it doesn't.
> 
> This causes the OOB area to get filled with zeros
> and anytime the first page in a block the bad block marker
> is cleared and it becomes a bad block on the next boot.
> 
> This was observed on Longsys FORSEE branded parts and
> might be specific to these parts.
> 
> Signed-off-by: Daniel Palmer <daniel@...f.com>

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

Miquel