• Linus Torvalds's avatar
    Merge tag 'acpi-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm · 53ac64aa
    Linus Torvalds authored
    Pull ACPI updates from Rafael Wysocki:
     "These include a usual ACPICA code update (this time to upstream
      revision 20170728), a fix for a boot crash on some systems with
      Thunderbolt devices connected at boot time, a rework of the handling
      of PCI bridges when setting up device wakeup, new support for Apple
      device properties, support for DMA configurations reported via ACPI on
      ARM64, APEI-related updates, ACPI EC driver updates and assorted minor
      modifications in several places.
    
      Specifics:
    
       - Update the ACPICA code in the kernel to upstream revision 20170728
         including:
          * Alias operator handling update (Bob Moore).
          * Deferred resolution of reference package elements (Bob Moore).
          * Support for the _DMA method in walk resources (Bob Moore).
          * Tables handling update and support for deferred table
            verification (Lv Zheng).
          * Update of SMMU models for IORT (Robin Murphy).
          * Compiler and disassembler updates (Alex James, Erik Schmauss,
            Ganapatrao Kulkarni, James Morse).
          * Tools updates (Erik Schmauss, Lv Zheng).
          * Assorted minor fixes and cleanups (Bob Moore, Kees Cook, Lv
            Zheng, Shao Ming).
    
       - Rework the initialization of non-wakeup GPEs with method handlers
         in order to address a boot crash on some systems with Thunderbolt
         devices connected at boot time where we miss an early hotplug event
         due to a delay in GPE enabling (Rafael Wysocki).
    
       - Rework the handling of PCI bridges when setting up ACPI-based
         device wakeup in order to avoid disabling wakeup for bridges
         prematurely (Rafael Wysocki).
    
       - Consolidate Apple DMI checks throughout the tree, add support for
         Apple device properties to the device properties framework and use
         these properties for the handling of I2C and SPI devices on Apple
         systems (Lukas Wunner).
    
       - Add support for _DMA to the ACPI-based device properties lookup
         code and make it possible to use the information from there to
         configure DMA regions on ARM64 systems (Lorenzo Pieralisi).
    
       - Fix several issues in the APEI code, add support for exporting the
         BERT error region over sysfs and update APEI MAINTAINERS entry with
         reviewers information (Borislav Petkov, Dongjiu Geng, Loc Ho, Punit
         Agrawal, Tony Luck, Yazen Ghannam).
    
       - Fix a potential initialization ordering issue in the ACPI EC driver
         and clean it up somewhat (Lv Zheng).
    
       - Update the ACPI SPCR driver to extend the existing XGENE 8250
         workaround in it to a new platform (m400) and to work around an
         Xgene UART clock issue (Graeme Gregory).
    
       - Add a new utility function to the ACPI core to support using ACPI
         OEM ID / OEM Table ID / Revision for system identification in
         blacklisting or similar and switch over the existing code already
         using this information to this new interface (Toshi Kani).
    
       - Fix an xpower PMIC issue related to GPADC reads that always return
         0 without extra pin manipulations (Hans de Goede).
    
       - Add statements to print debug messages in a couple of places in the
         ACPI core for easier diagnostics (Rafael Wysocki).
    
       - Clean up the ACPI processor driver slightly (Colin Ian King, Hanjun
         Guo).
    
       - Clean up the ACPI x86 boot code somewhat (Andy Shevchenko).
    
       - Add a quirk for Dell OptiPlex 9020M to the ACPI backlight driver
         (Alex Hung).
    
       - Assorted fixes, cleanups and updates related to ACPI (Amitoj Kaur
         Chawla, Bhumika Goyal, Frank Rowand, Jean Delvare, Punit Agrawal,
         Ronald Tschalär, Sumeet Pawnikar)"
    
    * tag 'acpi-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (75 commits)
      ACPI / APEI: Suppress message if HEST not present
      intel_pstate: convert to use acpi_match_platform_list()
      ACPI / blacklist: add acpi_match_platform_list()
      ACPI, APEI, EINJ: Subtract any matching Register Region from Trigger resources
      ACPI: make device_attribute const
      ACPI / sysfs: Extend ACPI sysfs to provide access to boot error region
      ACPI: APEI: fix the wrong iteration of generic error status block
      ACPI / processor: make function acpi_processor_check_duplicates() static
      ACPI / EC: Clean up EC GPE mask flag
      ACPI: EC: Fix possible issues related to EC initialization order
      ACPI / PM: Add debug statements to acpi_pm_notify_handler()
      ACPI: Add debug statements to acpi_global_event_handler()
      ACPI / scan: Enable GPEs before scanning the namespace
      ACPICA: Make it possible to enable runtime GPEs earlier
      ACPICA: Dispatch active GPEs at init time
      ACPI: SPCR: work around clock issue on xgene UART
      ACPI: SPCR: extend XGENE 8250 workaround to m400
      ACPI / LPSS: Don't abort ACPI scan on missing mem resource
      mailbox: pcc: Drop uninformative output during boot
      ACPI/IORT: Add IORT named component memory address limits
      ...
    53ac64aa
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