ACPI and power management fixes for 3.14-rc2

 - Fix for a recent ACPI hotplug regression causing a NULL pointer
   dereference to occur while handling ACPI eject notifications for
   already ejected devices.  From Toshi Kani.

 - Four concurrency-related fixes for ACPIPHP.  Two of them add
   missing locking and the other two fix race conditions related to
   reference counting.

 - ACPIPHP fix to avoid NULL pointer dereferences during device removal
   involving Virtual Funcions.

 - intel_pstate fix to make it compute the percentage of time the CPU
   is busy properly.  From Dirk Brandewie.

 - Removal of two unnecessary NULL pointer checks in ACPI code and a
   fix for sscanf() format string from Dan Carpenter and Luis G.F.

 - New ACPI video blacklist entry for HP EliteBook Revolve 810 from
   Mika Westerberg.

/
Merge branches 'acpi-cleanup' and 'acpi-video'

* acpi-cleanup:
  ACPI / battery: Fix incorrect sscanf() string in acpi_battery_init_alarm()
  ACPI / proc: remove unneeded NULL check
  ACPI / utils: remove a pointless NULL check

* acpi-video:
  ACPI / video: Add HP EliteBook Revolve 810 to the blacklist