linux-kernel - Re: [PATCH v4 3/3] mtd: nand: mxc

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Message-Id: <20240527121848.178542-1-miquel.raynal@bootlin.com>
Date: Mon, 27 May 2024 14:18:48 +0200
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Sascha Hauer <s.hauer@...gutronix.de>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>
Cc: linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/3] mtd: nand: mxc_nand: support software ECC

On Wed, 2024-05-22 at 05:39:53 UTC, Sascha Hauer wrote:
> With these changes the driver can be used with software BCH ECC which
> is useful for NAND chips that require a stronger ECC than the i.MX
> hardware supports.
> 
> The controller normally interleaves user data with OOB data when
> accessing the NAND chip. With Software BCH ECC we write the data
> to the NAND in a way that the raw data on the NAND chip matches the
> way the NAND layer sees it. This way commands like NAND_CMD_RNDOUT
> work as expected.
> 
> This was tested on i.MX27 but should work on the other SoCs supported
> by this driver as well.
> 
> Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>

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

Miquel