tree e04a3e3adfc1ef854a865fa345ffbd3d488b33d0
parent 77c24888b7693eecee904308e0ee51f7f1f564df
author Bjorn Helgaas <bjorn.helgaas@hp.com> 1253561375 +0000
committer Len Brown <len.brown@intel.com> 1253903068 -0400

ACPI: add acpi_bus_get_parent() and remove "parent" arguments

This patch adds acpi_bus_get_parent(), which ascends the namespace until
it finds a parent with an acpi_device.

Then we use acpi_bus_get_parent() in acpi_add_single_object(), so callers
don't have to figure out or keep track of the parent acpi_device.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>