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ACPI and power management fixes for final 3.17

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- A recent cpufreq core fix went too far and introduced a regression
    in the system suspend code path.  Fix from Viresh Kumar.
 
  - An ACPI-related commit in the i915 driver that fixed backlight
    problems for some Thinkpads inadvertently broke a Dell machine
    (in 3.16).  Fix from Aaron Lu.
 
  - The pcc-cpufreq driver was broken during the 3.15 cycle by a
    commit that put wait_event() under a spinlock by mistake.  Fix
    that (Rafael J Wysocki).
 
  - The return value type of integrator_cpufreq_remove() is void, but
    should be int.  Fix from Arnd Bergmann.
 
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Merge tag 'pm+acpi-3.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:
 "These are three regression fixes (cpufreq core, pcc-cpufreq, i915 /
  ACPI) and one trivial fix for a callback return value mismatch in the
  cpufreq integrator driver.

  Specifics:

   - A recent cpufreq core fix went too far and introduced a regression
     in the system suspend code path.  Fix from Viresh Kumar.

   - An ACPI-related commit in the i915 driver that fixed backlight
     problems for some Thinkpads inadvertently broke a Dell machine (in
     3.16).  Fix from Aaron Lu.

   - The pcc-cpufreq driver was broken during the 3.15 cycle by a commit
     that put wait_event() under a spinlock by mistake.  Fix that
     (Rafael J Wysocki).

   - The return value type of integrator_cpufreq_remove() is void, but
     should be int.  Fix from Arnd Bergmann"

* tag 'pm+acpi-3.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: update 'cpufreq_suspended' after stopping governors
  ACPI / i915: Update the condition to ignore firmware backlight change request
  cpufreq: integrator: fix integrator_cpufreq_remove return type
  cpufreq: pcc-cpufreq: Fix wait_event() under spinlock
This commit is contained in:
Linus Torvalds 2014-10-02 18:47:28 -07:00
commit 5858686959
4 changed files with 18 additions and 11 deletions
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