Re: [PATCH v9 6/6] arm64: dts: qcom: ipq9574: Add icc provider ability to gcc

Konrad Dybcio
2024-06-26T22:00:42Z

On 19.06.2024 9:36 AM, Varadarajan Narayanan wrote:

[...]

> Tested the patches with both gcc and nsscc providers having
> 'sync_state' set to icc_sync_state.
>
> # dmesg | grep synced
> [ 3.029820] qcom,gcc-ipq9574 1800000.clock-controller: interconnect provider is in synced state
> [ 3.470106] qcom,nsscc-ipq9574 39b00000.clock-controller: interconnect provider is in synced state
>
> I can see that icc_sync_state is getting called and clocks
> related to paths with zero bandwidth are getting disabled.
>
> Will post the NSSCC patches to get the full picture.

Going back to the original question, does removing interconnects = from
things like PCIe now make them not work / crash the device, which would
indicate the NoC clocks were indeed gated?

Konrad