Merge branch 'pci/hotplug'

  - Reorder pciehp cached state/hardware state updates to avoid missed
    interrupts (Mika Westerberg)

  - Turn ibmphp semaphores into completions or mutexes (Arnd Bergmann)

* pci/hotplug:
  PCI: ibmphp: Turn semaphores into completions or mutexes
  PCI: pciehp: Assign ctrl->slot_ctrl before writing it to hardware