Re: [PATCH 10/10] arm64: dts: qcom: sdm845: add LLCC BWMON

[Krzysztof Kozlowski]

On 26/07/2022 14:01, Sibi Sankar wrote:
>>>> I think you may be right; I just applied this patchset to -next
>>>> (20220722) and i do not see the error message there.  On my 5.19-rc7
>>>> tree, i am also testing a patchset that enables qcom devices to access
>>>> efivars, so possibly we are ending up in secure world there?
>>>
>>> Actually mapping of IO space should not touch secure world, so this was
>>> a long shot assuming you test it on the next.
>>>
>>
>> The memory region specified in device tree overlaps with the llcc system
>> cache controller node. Steev probably had the QCOM_LLCC config enabled 
>> when he tested it out on his branch.
> 
>  From what I see we can probably get away with restricting the llcc_base
> reg region to just llcc0_common region and leave the lcc-bwmon as is.

Och, that IO mapping for llcc is quite big. I'll try that.


Best regards,
Krzysztof