arm64, numa: Add NUMA support for arm64 platforms.

[cascardo/linux.git] / arch / arm64 / kernel / pci.c

diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
index c72de66..3c4e308 100644 (file)
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c
@@ -74,6 +74,16 @@ int raw_pci_write(unsigned int domain, unsigned int bus,
        return -ENXIO;
 }
 
+#ifdef CONFIG_NUMA
+
+int pcibus_to_node(struct pci_bus *bus)
+{
+       return dev_to_node(&bus->dev);
+}
+EXPORT_SYMBOL(pcibus_to_node);
+
+#endif
+
 #ifdef CONFIG_ACPI
 /* Root bridge scanning */
 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)