Merge branch 'of-pci' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'of-pci' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  pci/of: Consolidate pci_bus_to_OF_node()
  pci/of: Consolidate pci_device_to_OF_node()
  x86/devicetree: Use generic PCI <-> OF matching
  microblaze/pci: Move the remains of pci_32.c to pci-common.c
  microblaze/pci: Remove powermac originated cruft
  pci/of: Match PCI devices to OF nodes dynamically

2 files changed, 33 insertions, 0 deletions

diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
index 85a27b650d76..f93e21700d3e 100644
--- a/include/linux/of_pci.h
+++ b/include/linux/of_pci.h
@@ -6,4 +6,9 @@
 struct pci_dev;
 struct of_irq;
 int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
+
+struct device_node;
+struct device_node *of_pci_find_child_device(struct device_node *parent,
+                                             unsigned int devfn);
+
 #endif
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c446b5ca2d38..2d292182dde5 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1589,5 +1589,33 @@ int pci_vpd_find_tag(const u8 *buf, unsigned int off, unsigned int len, u8 rdt);
 int pci_vpd_find_info_keyword(const u8 *buf, unsigned int off,
                               unsigned int len, const char *kw);
 
+/* PCI <-> OF binding helpers */
+#ifdef CONFIG_OF
+struct device_node;
+extern void pci_set_of_node(struct pci_dev *dev);
+extern void pci_release_of_node(struct pci_dev *dev);
+extern void pci_set_bus_of_node(struct pci_bus *bus);
+extern void pci_release_bus_of_node(struct pci_bus *bus);
+
+/* Arch may override this (weak) */
+extern struct device_node * __weak pcibios_get_phb_of_node(struct pci_bus *bus);
+
+static inline struct device_node *pci_device_to_OF_node(struct pci_dev *pdev)
+{
+        return pdev ? pdev->dev.of_node : NULL;
+}
+
+static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
+{
+        return bus ? bus->dev.of_node : NULL;
+}
+
+#else /* CONFIG_OF */
+static inline void pci_set_of_node(struct pci_dev *dev) { }
+static inline void pci_release_of_node(struct pci_dev *dev) { }
+static inline void pci_set_bus_of_node(struct pci_bus *bus) { }
+static inline void pci_release_bus_of_node(struct pci_bus *bus) { }
+#endif  /* CONFIG_OF */
+
 #endif /* __KERNEL__ */
 #endif /* LINUX_PCI_H */