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

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On 25/11/2024 11:34, Chen-Yu Tsai wrote:
> On Mon, Nov 25, 2024 at 5:48 PM AngeloGioacchino Del Regno
> <angelogioacchino.delregno@xxxxxxxxxxxxx> 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!).
> 

Then we should add it to the exception list. Let me take a look at this.

Best regards,
Krzysztof




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