Re: [PATCH v2 2/2] arm64: dts: qcom: sc7280: Drop aggre{1,2}_noc QOS clocks on Herobrine

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 3/2/26 10:31 PM, Brian Norris wrote:
> Hi Konrad,
> 
> On Tue, Feb 17, 2026 at 11:46:19AM +0100, Konrad Dybcio wrote:
>> On 1/9/26 1:33 AM, Brian Norris wrote:
>>> Hi Konrad,
>>>
>>> On Fri, Sep 12, 2025 at 12:37:29PM -0700, Brian Norris wrote:
>>>> On Fri, Sep 12, 2025 at 03:10:16PM +0200, Konrad Dybcio wrote:
>>>>> As I attempt to find a board that would boot with your sw stack,
>>>>> could I ask you to check if commenting any of the three writes in
>>>>>
>>>>> drivers/interconnect/qcom/icc-rpmh.c : qcom_icc_set_qos()
>>>>>
>>>>> specifically causes the crash?
>>>>>
>>>>> FWIW they're supposed to be independent so you don't have to test
>>>>> all possible combinations
>>>>
>>>> It seems as if any one of them will cause the crash. I had to comment
>>>> out all 3 to avoid crashing.
>>>
>>> I'm curious if you had any follow-up here. Are you still looking for an
>>> alternative to this patch?
>>
>> Sorry Brian, it seems like all the "ready to grab" firmware image links
>> for this platform are dead where I would normally look, which prevented
>> me from being able to poke at this..
> 
> I'll say, I'm not really surprised. The firmware here is probably not in
> any maintained nor widely used state.
> 
>> Would there happen to be another place where I can grab them from,
>> perhaps some CrOS CI?
> 
> I don't really know of one right now. I expect the CI is not active.
> 
> To speak practically here: there are likely no real users of this
> development board, and if I'm the only one actively trying to use it
> with upstream Linux as a development vehicle, I can simply carry this
> change locally. It's probably not worth a lot of people bending over
> backward for it, unless I'm wrong and there are more people using it. I
> was just hopeful that I could reduce some friction for myself, and the
> limited (possibly zero) population who might also run into problems
> here.
> 
> Unless you really want to move forward, I'll move this from my mental
> back burner to cold storage :)

I'd really like to get to the bottom of this, especially since TF-A
support for this SoC lives on.. +Jorge & Sumit who are working on this
maybe you can repro/find the culprit

Konrad