1 files changed, 13 insertions, 1 deletions

diff --git a/include/linux/of.h b/include/linux/of.h
index d9dd664a6a9c..bfc0ed1b0ced 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -70,6 +70,11 @@ 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);
@@ -103,7 +108,7 @@ extern void of_node_put(struct device_node *node);
 #endif
 
 /*
- * OF address retreival & translation
+ * OF address retrieval & translation
  */
 
 /* Helper to read a big number; size is in cells (not bytes) */
@@ -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 */