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

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Message-ID: <20210323113233.3523d66b@xps13>
Date:   Tue, 23 Mar 2021 11:32:33 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Daniel Palmer <daniel@...f.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 Daniel,

Daniel Palmer <daniel@...f.com> wrote on Tue, 23 Mar 2021 18:33:54
+0900:

> 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

You can run nandbiterrs -i /dev/mtdX

You'll see if there is ECC correction or not (and its level).

Thanks,
Miquèl