On Sat, Jan 27, 2007 at 02:04:43AM -0500, Len Brown wrote: > From: John Keller <jpk@xxxxxxx> > > Support for dynamic loading and unloading of ACPI SSDT tables upon slot > hotplugs and unplugs. > > On SN platforms, we now represent every populated root bus slot with a single > ACPI SSDT table containing info for every device and PPB attached to the slot. > These SSDTs are generated by the prom at initial boot and hotplug time. The > info in these SSDT tables is used by the SN kernel IO "fixup" code (which is > called at boot and hotplug time). > > On hotplugs (i.e. enable_slot()), if running with an ACPI capable prom, > attempt to obtain a new ACPI SSDT table for the slot being hotplugged. If > successful, add the table to the ACPI namespace (acpi_load_table()) and then > walk the new devices and add them to the ACPI infrastructure (acpi_bus_add()). > > On hot unplugs (i.e. disable_slot()), if running with an ACPI capable prom, > attempt to remove the SSDT table associated with the slot from the ACPI > namespace (acpi_unload_table_id()) and infastructure (acpi_bus_trim()). > > From: John Keller <jpk@xxxxxxx> > > A bug was fixed where the sgi hotplug driver was removing > the slot's SSDT table from the ACPI namespace a bit too early in > disable_slot(). Also, we now call acpi_bus_start() subsequent > to acpi_bus_add(). > > Signed-off-by: Aaron Young <ayoung@xxxxxxx> > Cc: Greg KH <greg@xxxxxxxxx> This should go through Kristen, as she is now the pci hotplug maintainer, not I. thanks, greg k-h - 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
