Bjorn Helgaas wrote: > On Wednesday 28 February 2007 15:05, Jordan_Hargrave@xxxxxxxx wrote: > >> The reason for the acpi_bus_register/unregister is to get the handle >> of the IPMI ACPI object. There isn't a way to get the device handle >> otherwise. Once it gets the handle it doesn't need the ACPI device >> anymore. >> > > Well, but in a world of truth and beauty, we should treat the > interface as an ACPI device, and we really should only be using > it after acpi_ipmi_add() and before acpi_ipmi_remove(). So that > implies that we shouldn't call acpi_bus_unregister_driver() until > we're ready to unload the driver. > yes, that sounds more reasonable to me. > I have no idea how multiple IPMI devices should be handled. But > some HP systems have several, and I think they can be hot-added > and removed. The current IPMI driver can actually do hot add and remove, so if the low-level ACPI code does the add/remove, it will automagically work. I'd like to know how well that worked :). -Corey - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html