Messages in this thread | | | Subject | Re: [PATCH 10/10] arm64: dts: qcom: sdm845: add LLCC BWMON | From | Sibi Sankar <> | Date | Tue, 26 Jul 2022 17:31:33 +0530 |
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On 7/26/22 5:01 PM, Sibi Sankar wrote: > On 7/23/22 2:06 PM, Krzysztof Kozlowski wrote: >> On 23/07/2022 04:37, Steev Klimaszewski wrote: >>>> >>>> Currently it's 5.19.0-rc7 (torvalds tree at 4ba1329c) with a few extra >>>> patches on top, the bwmon set included. It's possible that secure >>>> world uses it, but I do not know enough about that to say one way or >>>> the other. >> >> To test patches you should apply them on maintainer's tree or >> linux-next. Applying on other trees of course might be useful for >> testing some backports, but it is independent process and different >> issue. >> >>>> >>>> -- steev >>>> >>> 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.
> >> >> Best regards, >> Krzysztof >>
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