Merge branch 'pci/enumeration'

  - Probe bridge window attributes only once at enumeration-time to fix
    device accesses during rescan (Bjorn Helgaas)

  - Return BAR size (not "size -1 ") from pci_size() to simplify code (Du
    Changbin)

  - Use config header type (not class code) identify bridges more reliably
    (Honghui Zhang)

  - Work around Intel Denverton incorrect Trace Hub BAR size reporting
    (Alexander Shishkin)

* pci/enumeration:
  x86/PCI: Fixup RTIT_BAR of Intel Denverton Trace Hub
  PCI: Rely on config space header type, not class code
  PCI: Make pci_size() return real BAR size
  PCI: Probe bridge window attributes once at enumeration-time