Re: [RFC PATCH 2/2] mtd: nand: use nand_check_erased_ecc_chunk in default ECC read functions

Boris Brezillon
2015-08-06T09:28:46Z

Hi Richard,

On Tue, 4 Aug 2015 09:21:27 +0200
Richard Weinberger <richard@nod.at> wrote:

> Andrea,
>
> Am 04.08.2015 um 09:02 schrieb Andrea Scian:
> >> I'm not sure whether introducing a read-before-write check is the best solution.
> >> At least we need hard numbers for slow/old SLC NANDs too.
> >
> > We can enable the feature only for MLC, AFAIK it has not been required for old SLC ;-)
>
> I think this needs more discussion.
>
> Boris, Brian, will you be at Embedded Linux Conference Europe in Dublin?
> Maybe we can discuss these issues (data retention, ff-checks, etc...) in person and figure out where to address them.
> I really want to avoid ad-hoc solutions. :)

I'll be at ELCE and I'd be happy to discuss all these NAND/MTD/UBI
related issues with you, though I think we should keep discussing
those problems on the ML too.

Best Regards,

Boris

--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering