diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index 180d8448130694d588f7925273584c86df7ee544..d4f57ffdae3f3f90ac1058500dd561aaf7a7801a 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -82,18 +82,6 @@ extern int release_OF_resource(struct device_node *node, int index);
  * OF address retreival & translation
  */
 
-/* Helper to read a big number; size is in cells (not bytes) */
-static inline u64 of_read_number(const u32 *cell, int size)
-{
-	u64 r = 0;
-	while (size--)
-		r = (r << 32) | *(cell++);
-	return r;
-}
-
-/* Like of_read_number, but we want an unsigned long result */
-#define of_read_ulong(cell, size)	of_read_number(cell, size)
-
 /* Translate an OF address block into a CPU physical address
  */
 extern u64 of_translate_address(struct device_node *np, const u32 *addr);
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index 2cfd43288a3e8f483caf368f2d5c12b9130faaba..d8c0525c31394069ac0c10a944695bd38df62d4d 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -89,26 +89,6 @@ extern int release_OF_resource(struct device_node* node, int index);
  * OF address retreival & translation
  */
 
-
-/* Helper to read a big number; size is in cells (not bytes) */
-static inline u64 of_read_number(const u32 *cell, int size)
-{
-	u64 r = 0;
-	while (size--)
-		r = (r << 32) | *(cell++);
-	return r;
-}
-
-/* Like of_read_number, but we want an unsigned long result */
-#ifdef CONFIG_PPC32
-static inline unsigned long of_read_ulong(const u32 *cell, int size)
-{
-	return cell[size-1];
-}
-#else
-#define of_read_ulong(cell, size)	of_read_number(cell, size)
-#endif
-
 /* Translate an OF address block into a CPU physical address
  */
 extern u64 of_translate_address(struct device_node *np, const u32 *addr);
diff --git a/include/linux/of.h b/include/linux/of.h
index d5f666290f6b40363a07306e5d60f793ff1a88d9..18e4379b8b7f6b59e9b35564e1ce972a6094083d 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -79,6 +79,29 @@ set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
 	dn->pde = de;
 }
 
+/*
+ * OF address retreival & translation
+ */
+
+/* Helper to read a big number; size is in cells (not bytes) */
+static inline u64 of_read_number(const u32 *cell, int size)
+{
+	u64 r = 0;
+	while (size--)
+		r = (r << 32) | *(cell++);
+	return r;
+}
+
+/* Like of_read_number, but we want an unsigned long result */
+#ifdef CONFIG_PPC32
+static inline unsigned long of_read_ulong(const u32 *cell, int size)
+{
+	return cell[size-1];
+}
+#else
+#define of_read_ulong(cell, size)	of_read_number(cell, size)
+#endif
+
 #include <asm/prom.h>
 
 /* flag descriptions */