Re: [GIT PULL] Devicetree updates for v6.13

Chen-Yu Tsai
2024-11-25T10:35:04Z

On Mon, Nov 25, 2024 at 5:48 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com> wrote:
>
> Il 24/11/24 17:59, Sasha Levin ha scritto:
> > On Sun, Nov 24, 2024 at 05:47:33PM +0100, Krzysztof Kozlowski wrote:
> >> On 24/11/2024 17:29, Sasha Levin wrote:
> >>> Hi Rob,
> >>>
> >>> On Mon, Nov 18, 2024 at 03:07:30PM -0600, Rob Herring wrote:
> >>>> of: WARN on deprecated #address-cells/#size-cells handling
> >>>
> >>> With the commit above, I've started seeing boot warnings on a few
> >>
> >> And same boards do not report problems on the next?
> >
> > Looks like they do. I haven't checked it previously, but I see that we
> > have similar warnings on a few boards that KernelCI is testing -next on.
> >
>
> That's... horrendous.
>
> I hope that we can get a proper fix with a bootloader update on these (now very
> old) devices... Adding a Google engineer to the loop so that he can follow up
> internally.

AFAIK that's unlikely going to happen given the resources needed from
the ODMs for a firmware re-qualification. Or we would have fixed the GIC
bug in ATF and had pseudo-NMI.

Some of the firmware code involved is 10 years old, so even the RK3399
Chromebooks, which no longer have support, could suffer from this as
well.

> The alternative would be to hack-in a firmware node to mt8183-kukui.dtsi, but....
> ...ugh. That'd be indeed a hack for the sole purpose of fixing a bootloader that
> is acting in a broken way, and I don't like that at all (...and I'm sure I'm not
> alone!).

Regards
ChenYu