Merge branch 'acpi-driver' into linux-next

* acpi-driver:
  ACPI: AC: Define ACPI_AC_CLASS in one place
  ACPI: driver: Do not set acpi_device_class() unnecessarily
  ACPI: driver: Avoid using pnp.device_class for netlink handling
  ACPI: event: Redefine acpi_notifier_call_chain()
  ACPI: driver: Do not set acpi_device_name() unnecessarily
  ACPI: video: Consolidate pnp.bus_id workarounds handling
  ACPI: video: Rework checking for duplicate video bus devices
  driver core: auxiliary bus: Introduce dev_is_auxiliary()