[PATCH 2/4] mtd: spi-nand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information

[Miquel Raynal]

Hi Frieder,

frieder.schrempf at kontron.de wrote on Wed, 9 Oct 2024 15:33:11 +0200:

> On 09.10.24 2:50 PM, Miquel Raynal wrote:
> > These four chips:
> > * W25N512GW
> > * W25N01GW
> > * W25N01JW
> > * W25N02JW
> > all require a single bit of ECC strength and thus feature an on-die
> > Hamming-like ECC engine. There is no point in filling a ->get_status()
> > callback for them because the main ECC status bytes are located in
> > standard places, and retrieving the number of bitflips in case of
> > corrected chunk is both useless and unsupported (if there are bitflips,
> > then there is 1 at most, so no need to query the chip for that).
> > 
> > Without this change, a kernel warning triggers every time a bit flips.
> > 
> > Fixes: 6a804fb72de5 ("mtd: spinand: winbond: add support for serial NAND flash")
> > Cc: stable at vger.kernel.org
> > Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>  
> 
> I had a quick look at the datasheets and this seems correct to me.

Thanks a lot for the rapid review!

> Reviewed-by: Frieder Schrempf <frieder.schrempf at kontron.de>

Thanks,
Miquèl