[PATCH v4 3/3] mtd: nand: mxc_nand: support software ECC

Miquel Raynal miquel.raynal at bootlin.com
Mon May 27 05:18:48 PDT 2024


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 at pengutronix.de>

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

Miquel



More information about the linux-mtd mailing list