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In the other case >> (drivers/soc/tegra/pmc.c) the "core-domain" and "powergates" are >> described through child-nodes, while ->sync_state() is managed by the >> parent-device-node. >> >> In the bpmp case there is no ->sync_state() callback assigned, which >> means genpd decides to assign a default one. >> >> The reason for the warnings above is because we are still waiting for >> those devices to be probed, hence the ->sync_state() callback is still >> waiting to be invoked. Enforcing ->sync_state() callback to be invoked >> can be done via user-space if that is needed. >> >> Did that make sense? > > Sorry for the delay, I was on vacation. Yes makes sense and drivers for > some of the above drivers are not yet upstreamed to mainline and so this > would be expected for now. I have been doing more testing and do see a lot of "tegra-bpmp bpmp: sync_state() pending due to" on our platforms for basically are driver that is built as a module. It seems a bit noisy given that these do eventually probe OK. I am wondering if this should be more of a dev_info() or dev_dbg() print? Cheers Jon -- nvpublic