--- zzzz-none-000/linux-2.6.39.4/include/linux/of.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/include/linux/of.h	2021-11-10 13:23:10.000000000 +0000
@@ -63,13 +63,13 @@
 #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;
 
+#ifdef CONFIG_OF
 static inline bool of_have_populated_dt(void)
 {
 	return allnodes != NULL;
@@ -152,7 +152,7 @@
 #define OF_BAD_ADDR	((u64)-1)
 
 #ifndef of_node_to_nid
-static inline int of_node_to_nid(struct device_node *np) { return -1; }
+static inline int of_node_to_nid(struct device_node *np __attribute__((unused))) { return -1; }
 #define of_node_to_nid of_node_to_nid
 #endif
 
@@ -195,6 +195,10 @@
 extern struct property *of_find_property(const struct device_node *np,
 					 const char *name,
 					 int *lenp);
+extern int of_property_read_u32(struct device_node *np, char *propname,
+					u32 *out_value);
+extern int of_property_read_string(struct device_node *np, char *propname,
+					const char **out_string);
 extern int of_device_is_compatible(const struct device_node *device,
 				   const char *);
 extern int of_device_is_available(const struct device_node *device);
@@ -227,12 +231,124 @@
 extern void of_detach_node(struct device_node *);
 #endif
 
-#else
+#else /* CONFIG_OF */
+
+static inline struct device_node *of_find_node_by_name(struct device_node *from,
+	const char *name)
+{
+	return NULL;
+}
+
+static inline struct device_node *of_find_node_by_type(struct device_node *from,
+	const char *type)
+{
+	return NULL;
+}
+
+static inline struct device_node *of_find_node_by_path(const char *path)
+{
+	return NULL;
+}
+
+static inline struct device_node *of_find_node_by_phandle(phandle handle)
+{
+	return NULL;
+}
+
+static inline struct device_node *of_get_parent(const struct device_node *node)
+{
+	return NULL;
+}
+
+static inline struct device_node *of_get_next_child(
+	const struct device_node *node, struct device_node *prev)
+{
+	return NULL;
+}
+
+static inline struct device_node *of_find_node_with_property(
+	struct device_node *from, const char *prop_name)
+{
+	return NULL;
+}
 
 static inline bool of_have_populated_dt(void)
 {
 	return false;
 }
 
+static inline int of_device_is_compatible(const struct device_node *device,
+					  const char *name)
+{
+	return 0;
+}
+
+static inline bool of_device_is_available(const struct device_node *device)
+{
+	return false;
+}
+
+static inline struct property *of_find_property(const struct device_node *np,
+						const char *name,
+						int *lenp)
+{
+	return NULL;
+}
+
+static inline struct device_node *of_find_compatible_node(
+						struct device_node *from,
+						const char *type,
+						const char *compat)
+{
+	return NULL;
+}
+
+static inline const void *of_get_property(const struct device_node *node,
+				const char *name,
+				int *lenp)
+{
+	return NULL;
+}
+
+static inline int of_n_addr_cells(struct device_node *np)
+{
+	return 0;
+
+}
+static inline int of_n_size_cells(struct device_node *np)
+{
+	return 0;
+}
+
+static inline int of_property_read_string(const struct device_node *np,
+					  const char *propname,
+					  const char **out_string)
+{
+	return -ENOSYS;
+}
+
+static inline struct device_node *of_parse_phandle(const struct device_node *np,
+						   const char *phandle_name,
+						   int index)
+{
+	return NULL;
+}
+
+static inline int of_machine_is_compatible(const char *compat)
+{
+	return 0;
+}
+
+static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
+{
+	return 0;
+}
+
+static inline void of_node_set_flag(struct device_node *n, unsigned long flag)
+{
+}
+
+#define of_match_ptr(_ptr)	NULL
+#define of_match_node(_matches, _node)	NULL
 #endif /* CONFIG_OF */
 #endif /* _LINUX_OF_H */