linux-kernel - Re: [PATCH v2] mtd: spinand: add support for Foresee FS35ND01G-S1Y2

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Message-ID: <CAFr9PX=mL9UWcr-yWbYa5NXS-R=yHeGgM+hd_MKOa2XiBUAJOQ@mail.gmail.com>
Date:   Tue, 23 Mar 2021 18:33:54 +0900
From:   Daniel Palmer <daniel@...f.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     linux-mtd@...ts.infradead.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] mtd: spinand: add support for Foresee FS35ND01G-S1Y2

Hi Miquel,

On Tue, 23 Mar 2021 at 03:32, Miquel Raynal <miquel.raynal@...tlin.com> wrote:
> > I think this shows that the datasheet is right in that the complete 64
> > bytes of "spare area" is usable.
> > I have no idea where it puts the ECC though. :)
>
> Argh, I don't like when hardware tries to be smart.

I'm sort of worried that there just isn't any ECC :D

> Ok then let's declare no ECC bytes in the OOB layout, I guess it's the
> best thing to do...

Ok. I think I might add a comment in the code that this is a best guess.

> I don't recall the state of the patch which triggered this discussion,
> so I guess it's a good time to respin.

I'll resend it. I've added support for the 2Gb version in the meantime
so I need to resend it either way.

Thanks,

Daniel