Re: [PATCH] nand: brcmnand: fix OOB R/W with Hamming ECC

Álvaro Fernández Rojas
2021-02-24T07:18:16Z

Hi Florian,

> El 24 feb 2021, a las 4:46, Florian Fainelli <f.fainelli@gmail.com> 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@gmail.com>
>
> 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.