Merge branch 'pci/numa-cleanup' into next
* pci/numa-cleanup:
ACPI / numa: Use __weak, not the gcc-specific version
ACPI / numa: Make __acpi_map_pxm_to_node(), acpi_get_pxm() static
ACPI / numa: Simplify acpi_get_node() style
ACPI / numa: Fix acpi_get_node() prototype
ia64: Remove acpi_get_pxm() usage
ia64 / sba_iommu: Use NUMA_NO_NODE, not MAX_NUMNODES, for unknown node
x86/PCI: Remove acpi_get_pxm() usage
x86/PCI: Use NUMA_NO_NODE, not -1, for unknown node
x86/PCI: Remove unnecessary list_empty(&pci_root_infos) check
x86/PCI: Remove mp_bus_to_node[], set_mp_bus_to_node(), get_mp_bus_to_node()
x86/PCI: Use x86_pci_root_bus_node() instead of get_mp_bus_to_node()
x86/PCI: Add x86_pci_root_bus_node() to look up NUMA node from PCI bus
x86/PCI: Drop return value of pcibios_scan_root()
x86/PCI: Merge pci_scan_bus_on_node() into pcibios_scan_root()
x86/PCI: Use pcibios_scan_root() instead of pci_scan_bus_on_node()
x86/PCI: Use pcibios_scan_root() instead of pci_scan_bus_with_sysdata()
x86/PCI: Drop pcibios_scan_root() check for bus already scanned