[PATCH v2 01/15] mtd: nand: Add max_bad_eraseblocks_per_lun info to memorg

Emil Lenngren emil.lenngren at gmail.com
Thu Jun 6 06:06:26 PDT 2019


Hi Schrempf,

Den tors 6 juni 2019 kl 10:27 skrev Schrempf Frieder
<frieder.schrempf at kontron.de>:
>
> Hi Emil,
>
> On 04.06.19 10:01, Emil Lenngren wrote:
> > Hi Miquel,
> >
> >>   static const struct spinand_info macronix_spinand_table[] = {
> >>          SPINAND_INFO("MX35LF1GE4AB", 0x12,
> >> -                    NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
> >> +                    NAND_MEMORG(1, 2048, 64, 64, 1024, 40, 1, 1, 1),
> >>                       NAND_ECCREQ(4, 512),
> >>                       SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> >>                                                &write_cache_variants,
> >> @@ -103,7 +103,7 @@ static const struct spinand_info macronix_spinand_table[] = {
> >>                       SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
> >>                                       mx35lf1ge4ab_ecc_get_status)),
> >>          SPINAND_INFO("MX35LF2GE4AB", 0x22,
> >> -                    NAND_MEMORG(1, 2048, 64, 64, 2048, 2, 1, 1),
> >> +                    NAND_MEMORG(1, 2048, 64, 64, 2048, 20, 2, 1, 1),
> >>                       NAND_ECCREQ(4, 512),
> >
> > Maybe a bit late to the discussion, but shouldn't 20 and 40 be swapped
> > here, i.e. isn't it the larger flash that has more max bad blocks than
> > the smaller one?
>
> I think Miquel is out of office for some days, so I just checked and you
> are right, the maximum number of bad blocks should be swapped.
>
> Actually there is also a wrong value in the GigaDevice driver: For the
> GD5F4GQ4xA it should be 80 instead of 40.
>
> Would you mind sending a patch with a "Fixes:" tag, that fixes both, the
> Macronix and the GigaDevice driver? Or should I send one?

Please go ahead :)

/Emil



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