Merge branch 'pci/sysfs'

- Return -ENODEV or -EIO sysfs 'label' or 'acpi_index' attributes when
  Device Name _DSM fails, not -1, which is interpreted as -EPERM (Krzysztof
  Wilczyński)

- Return valid sysfs 'acpi_index' attribute even if the Device Name _DSM
  returned an invalid 'label' (Krzysztof Wilczyński)

- Expose sysfs 'acpi_index' and 'label' based on whether the Device Name
  _DSM returns valid data, not merely whether the _DSM is implemented
  (Krzysztof Wilczyński)

- Avoid out-of-bounds reads of the label returned by the Device Name _DSM,
  which is in UTF-16 characters, not bytes (Krzysztof Wilczyński)

- Reject unaligned resource I/O port accesses, which can oops on arm64
  (Deepanshu Kartikey)

* pci/sysfs:
  PCI/sysfs: Reject unaligned resource I/O port accesses
  PCI/sysfs: Pass the device name length in UTF-16 code units
  PCI/sysfs: Handle a malformed _DSM result in acpi_attr_is_visible()
  PCI/sysfs: Decouple acpi_index from the optional device name element
  PCI/sysfs: Stop reporting _DSM failures as -EPERM

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