Re: [PATCH] nand: brcmnand: fix OOB R/W with Hamming ECC
From: Álvaro Fernández Rojas
Date: Wed Feb 24 2021 - 02:18:18 EST
Hi Florian,
>
El 24 feb 2021, a las 4:46, Florian Fainelli <f.fainelli@xxxxxxxxx> escribió:
>
>
>
>
On 2/22/2021 12:16 PM, Álvaro Fernández Rojas wrote:
>
> Hamming ECC doesn't cover the OOB data, so reading or writing OOB shall
>
> always be done without ECC enabled.
>
> This is a problem when adding JFFS2 cleanmarkers to erased blocks. If JFFS2
>
> clenmarkers are added to the OOB with ECC enabled, OOB bytes will be changed
>
> from ff ff ff to 00 00 00, reporting incorrect ECC errors.
>
>
>
> Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx>
>
>
Should there be a Fixes: tag provided here for back porting to stable trees?
I think so, but the fixed commit would be the first one, right?
27c5b17cd1b10564fa36f8f51e4b4b41436ecc32
>
--
>
Florian
Best regards,
Álvaro.