Why not just call acpi_get_pyhsical_device() on the appropriate handle and look at the struct device you get back? Remember to put_device() it once you're done. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx - 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