bcm63xx kernel 5.10

[Daniel González Cabanelas]

Hi Florian,
El vie, 4 feb 2022 a las 19:24, Florian Fainelli
(<f.fainelli at gmail.com>) escribió:
>
>
>
> On 2/4/2022 9:28 AM, Daniel González Cabanelas wrote:
> > Hi Hauke:
> >
> > El vie, 4 feb 2022 a las 0:48, Hauke Mehrtens (<hauke at hauke-m.de>) escribió:
> >>
> >> Hi,
> >>
> >> We would like to switch the bcm63xx target to kernel 5.10. Paul created
> >> a pull request for that:
> >> https://github.com/openwrt/openwrt/pull/4616
> >>
> >> There is still a problem with Macronix NAND flash chips, see the
> >> comments from the pull request.
> >>
> >> Could someone please have a look into this problem.
> >>
> >> Does this change in the upstream kernel help?
> >> https://github.com/torvalds/linux/commit/22ca05b82d3e3abc2b116a11ee41b6b692b95530
> >>
> > The patch together with:
> > https://github.com/torvalds/linux/commit/a071912636cc3420f54e2a6312c1625ac763cf03
> >
> > They both apply cleanly without changes in current Openwrt, kernel
> > testing 5.10, But the kernel still fails to load, caused by
> > macronix_nand_block_protection_support .
>
> Is there a log available somewhere that shows the boot failure with
> 5.10? Have you been able to run a bisection somehow?

this commit is the culprit:
https://github.com/torvalds/linux/commit/03a539c7a118427a6609a26461358c56ac8f3a06

You can check a boot failure here:
https://github.com/openwrt/openwrt/pull/4616#issuecomment-999442065

Regards.
>
> None of those patches should be relevant as the DSL SoCs do not use EDU,
> they use PIO. Now about this one:
>
> lists.infradead.org/pipermail/linux-mtd/2022-January/091107.html
> --
> Florian