Messages in this thread | | | Date | Tue, 17 Jan 2023 18:33:41 +0100 | Subject | Re: [PATCH v2 4/4] arm64: dts: qcom: sc7280: Add cpu and llcc BWMON (=> interconnect issue) | From | Krzysztof Kozlowski <> |
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On 17/01/2023 18:27, Matthias Kaehlcke wrote: > >>> which would set the initially bandwidths to 0 and determine the actually >>> needed bandwidth. But since the driver isn't probed the initial >>> bandwidths stay at INT_MAX. >>> >>> This isn't actually an issue with this patch, but how the interconnect >>> framework deals with devices that are registered on the bus, but aren't >>> probed (yet). Not sure how this would be best fixed. Georgi, do you have >>> any ideas? >> >> Why the device is not probed (yet)? If it is registered, it will come >> soon during boot up. > > Because CONFIG_QCOM_ICC_BWMON is not enabled for the board in question (see > above). It could be enabled as a short term mitigtion, however we shouldn't > require drivers to be enabled just because the DT has a corresponding node.
It's the same case as with all other interconnect leafs/consumers. The same behavior if you do not have it enabled, right? If not, I wonder what is here different?
Best regards, Krzysztof
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