From: Miquel Raynal <miquel.raynal@bootlin.com>
To: "Álvaro Fernández Rojas" <noltari@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
Brian Norris <computersforpeace@gmail.com>,
Kamal Dasu <kdasu.kdev@gmail.com>,
Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
linux-mtd@lists.infradead.org,
bcm-kernel-feedback-list@broadcom.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] nand: brcmnand: fix OOB R/W with Hamming ECC
Date: Wed, 24 Feb 2021 08:38:05 +0100 [thread overview]
Message-ID: <20210224083805.34f625a0@xps13> (raw)
In-Reply-To: <0670B343-C39E-4610-8061-A7F81F90B9F4@gmail.com>
Hi Álvaro,
Álvaro Fernández Rojas <noltari@gmail.com> wrote on Wed, 24 Feb 2021
08:16:58 +0100:
> 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
Yep, shouldn't be a problem.
Thanks,
Miquèl
next prev parent reply other threads:[~2021-02-24 7:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-22 20:16 [PATCH] nand: brcmnand: fix OOB R/W with Hamming ECC Álvaro Fernández Rojas
2021-02-24 3:46 ` Florian Fainelli
2021-02-24 7:16 ` Álvaro Fernández Rojas
2021-02-24 7:38 ` Miquel Raynal [this message]
2021-02-24 8:02 ` [PATCH v2] " Álvaro Fernández Rojas
2021-02-24 21:01 ` Brian Norris
2021-02-25 7:48 ` Miquel Raynal
2021-02-25 7:54 ` Álvaro Fernández Rojas
2021-02-25 8:12 ` Miquel Raynal
2021-03-02 16:32 ` Miquel Raynal
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