Merge tag 'pm+acpi-3.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:

 - The resume part of user space driven hibernation (s2disk) is now
   broken after the change that moved the creation of memory bitmaps to
   after the freezing of tasks, because I forgot that the resume utility
   loaded the image before freezing tasks and needed the bitmaps for
   that.  The fix adds special handling for that case.

 - One of recent commits changed the export of acpi_bus_get_device() to
   EXPORT_SYMBOL_GPL(), which was technically correct but broke existing
   binary modules using that function including one in particularly
   widespread use.  Change it back to EXPORT_SYMBOL().

 - The intel_pstate driver sometimes fails to disable turbo if its
   no_turbo sysfs attribute is set.  Fix from Srinivas Pandruvada.

 - One of recent cpufreq fixes forgot to update a check in cpufreq-cpu0
   which still (incorrectly) treats non-NULL as non-error.  Fix from
   Philipp Zabel.

 - The SPEAr cpufreq driver uses a wrong variable type in one place
   preventing it from catching errors returned by one of the functions
   called by it.  Fix from Sachin Kamat.

* tag 'pm+acpi-3.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: Use EXPORT_SYMBOL() for acpi_bus_get_device()
  intel_pstate: fix no_turbo
  cpufreq: cpufreq-cpu0: NULL is a valid regulator, part 2
  cpufreq: SPEAr: Fix incorrect variable type
  PM / hibernate: Fix user space driven resume regression

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