Il 23/05/2012 16:34, Andreas Färber ha scritto: >> > >> > I see nothing wrong in principle here except that you should use a PTR >> > property to pass the fw_cfg object to the ACPI PM device. > Paolo was on a quest to eliminate the PTR properties so I don't think we > should advocate adding any more. Without having reviewed the code, I > would suggest to rather QOM'ify the fw_cfg object and to use a link<> > property if needed.
Perhaps it should be the other way round. fw_cfg gets links to all the devices it has to expose information about. In the future it could be changed to an FWCfgProvider interface. Paolo