Merge tag 'acpi-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to follow upstream revision
  20180313 which includes fixes related to the so-called module-level
  AML (mostly "if" type of statements outside of any methods) that
  should improve the handling of systems that load alternative SSDTs
  depending on the current configuration, for example, and event
  handling fixes related to disabling and enabling GPEs on system
  startup and on suspend/resume.

  Moreover, the ACPICA license boilerplate is replaced with SPDX license
  IDs which alone reduces the number of lines of ACPICA code in the
  kernel quite a bit.

  Also added is a new driver for the generic ACPI Time and Alarm Device
  (TAD). At the moment it only handles the most basic capabilities of
  the TAD, however.

  In addition to that the ACPI battery driver is improved to handle
  battery thresholds on ThinkPads, among other things, some bugs are
  fixed, a new backlight quirk is added and some documentation is
  updated.

  Specifics:

   - Update the in-kernel ACPICA code to upstream revision 20180313
     including:
      * Module-level AML code handling fixes and simplifications (Bob
        Moore, Erik Schmauss).
      * Fixes and cleanups related to messaging (Bob Moore).
      * Events handling fixes related to disabling and enabling GPEs
        (Erik Schmauss).
      * Introduction of SPDX license identifiers and removal of license
        boilerplate in multiple files (Erik Schmauss).
      * Assorted fixes and cleanups (Bob Moore, Erik Schmauss, Hans de
        Goede, Seunghun Han).

   - Add new basic driver for the ACPI Time and Alarm Device (Rafael
     Wysocki).

   - Modify the ACPI battery driver to support battery thresholds on
     Lenovo ThinkPads (Ognjen Galic, Colin Ian King).

   - Avoid reporting battery capacity over 100 in the ACPI battery
     driver in some cases (Laszlo Toth).

   - Make the kernel recognize an OEM _OSI string from Dell to avoid
     power management issues with NVidia GPUs in Dell platforms (Alex
     Hung).

   - Make the PCI IRQ management code handle missing _PRS cleanly (Alex
     Hung).

   - Fix uevent notifications related to device hotplut (Lee, Chun-Yi).

   - Prevent the ACPI PAD driver from leaking memory (Lenny Szubowicz).

   - Update the ACPI CPPC library code to include subspace IDs in the
     kernel messages logged by it (George Cherian).

   - Add backlight quirk for Samsung 670Z5E (Hans de Goede).

   - Add the NFIT and HMAT tables to the list of ACPI tables that can be
     overridden via initrd (Dan Williams).

   - Fix and clean up some ACPI documentation and Kconfig help language
     (Aishwarya Pant, Randy Dunlap).

   - Replace license boilerplate with an SPDX license ID in the ACPI
     PMIC operation region handling code (Rajmohan Mani)"

* tag 'acpi-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (39 commits)
  ACPI: acpi_pad: Fix memory leak in power saving threads
  ACPI / video: Add quirk to force acpi-video backlight on Samsung 670Z5E
  ACPI: Add Time and Alarm Device (TAD) driver
  ACPI / scan: Send change uevent with offine environmental data
  ACPI / Kconfig: Update ACPI_PROCFS_POWER help text
  ACPI / OSI: Add OEM _OSI strings to disable NVidia RTD3
  ACPICA: Update version to 20180313
  ACPICA: Cleanup/simplify module-level code support
  ACPICA: Events: add a return on failure from acpi_hw_register_read
  ACPICA: adding SPDX headers
  ACPICA: Rename a global for clarity, no functional change
  ACPICA: macros: fix ACPI_ERROR_NAMESPACE macro
  ACPICA: Change a compile-time option to a runtime option
  ACPICA: Remove calling of _STA from acpi_get_object_info()
  ACPICA: AML Debug Object: Don't ignore output of zero-length strings
  ACPICA: Fix memory leak on unusual memory leak
  ACPICA: Events: Dispatch GPEs after enabling for the first time
  ACPICA: Events: Add parallel GPE handling support to fix potential redundant _Exx evaluations
  ACPICA: Events: Stop unconditionally clearing ACPI IRQs during suspend/resume
  ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c
  ...

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