4 files changed, 25 insertions, 9 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 1bf5cf0b4513..ca5d25225aab 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -128,9 +128,7 @@ struct device_driver {
 
         bool suppress_bind_attrs;       /* disables bind/unbind via sysfs */
 
-#if defined(CONFIG_OF)
         const struct of_device_id       *of_match_table;
-#endif
 
         int (*probe) (struct device *dev);
         int (*remove) (struct device *dev);
@@ -441,9 +439,8 @@ struct device {
                                              override */
         /* arch specific additions */
         struct dev_archdata     archdata;
-#ifdef CONFIG_OF
-        struct device_node      *of_node;
-#endif
+
+        struct device_node      *of_node; /* associated device tree node */
 
         dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
 
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 903576df88dc..06a8d9c7de98 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -258,9 +258,7 @@ struct i2c_board_info {
         unsigned short  addr;
         void            *platform_data;
         struct dev_archdata     *archdata;
-#ifdef CONFIG_OF
         struct device_node *of_node;
-#endif
         int             irq;
 };
 
diff --git a/include/linux/of.h b/include/linux/of.h
index cad7cf0ab278..266db1d0baa9 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -23,8 +23,6 @@
 
 #include <asm/byteorder.h>
 
-#ifdef CONFIG_OF
-
 typedef u32 phandle;
 typedef u32 ihandle;
 
@@ -65,11 +63,18 @@ struct device_node {
 #endif
 };
 
+#ifdef CONFIG_OF
+
 /* Pointer for first entry in chain of all nodes. */
 extern struct device_node *allnodes;
 extern struct device_node *of_chosen;
 extern rwlock_t devtree_lock;
 
+static inline bool of_have_populated_dt(void)
+{
+        return allnodes != NULL;
+}
+
 static inline bool of_node_is_root(const struct device_node *node)
 {
         return node && (node->parent == NULL);
@@ -222,5 +227,12 @@ extern void of_attach_node(struct device_node *);
 extern void of_detach_node(struct device_node *);
 #endif
 
+#else
+
+static inline bool of_have_populated_dt(void)
+{
+        return false;
+}
+
 #endif /* CONFIG_OF */
 #endif /* _LINUX_OF_H */
diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
new file mode 100644
index 000000000000..85a27b650d76
--- /dev/null
+++ b/include/linux/of_pci.h
@@ -0,0 +1,9 @@
+#ifndef __OF_PCI_H
+#define __OF_PCI_H
+
+#include <linux/pci.h>
+
+struct pci_dev;
+struct of_irq;
+int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
+#endif