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Observations on my CCPs says that they occur in order, but I >>>> don't know for certain that serialization is guaranteed. >>>> >>>> Is there a definitive statement on this somewhere that I just don't know >>>> about? >> >> The bus enforces this. >> >>> So the question if a driver can probe two devices simultaneously. >> >> Depends on the bus type. > > PCI So the question is whether or not PCI enforces serial activity within a domain. The CCPs are all on different buses, so that doesn't matter. I think we don't care in this situation, given that the CCP driver has minor requirements for locking. I just found it an interesting (albeit somewhat academic) question. Thanks, Gary