[PATCH] mtd: rawnand: Ensure ECC configuration is propagated to upper layers

[Miquel Raynal]

On Tue, 2024-05-07 at 08:58:42 UTC, Miquel Raynal wrote:
> Until recently the "upper layer" was MTD. But following incremental
> reworks to bring spi-nand support and more recently generic ECC support,
> there is now an intermediate "generic NAND" layer that also needs to get
> access to some values. When using "converted" ECC engines, like the
> software ones, these values are already propagated correctly. But
> otherwise when using good old raw NAND controller drivers, we need to
> manually set these values ourselves at the end of the "scan" operation,
> once these values have been negotiated.
> 
> Without this propagation, later (generic) checks like the one warning
> users that the ECC strength is not high enough might simply no longer
> work.
> 
> Fixes: 8c126720fe10 ("mtd: rawnand: Use the ECC framework nand_ecc_is_strong_enough() helper")
> Cc: stable at vger.kernel.org
> Reported-by: Sascha Hauer <s.hauer at pengutronix.de>
> Closes: https://lore.kernel.org/all/Zhe2JtvvN1M4Ompw@pengutronix.de/
> Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> Tested-by: Sascha Hauer <s.hauer at pengutronix.de>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/fixes.

Miquel