2 files changed, 33 insertions, 1 deletions
diff --git a/include/libfdt.h b/include/libfdt.h
index 6c05236..beeacb2 100644
--- a/include/libfdt.h
+++ b/include/libfdt.h
@@ -131,6 +131,12 @@ static inline void *fdt_offset_ptr_w(void *fdt, int offset, int checklen)
 uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset);
 
 /**********************************************************************/
+/* Traversal functions                                                */
+/**********************************************************************/
+
+int fdt_next_node(const void *fdt, int offset, int *depth);
+
+/**********************************************************************/
 /* General functions                                                  */
 /**********************************************************************/
 
@@ -846,6 +852,32 @@ int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size);
 int fdt_del_mem_rsv(void *fdt, int n);
 
 /**
+ * fdt_set_name - change the name of a given node
+ * @fdt: pointer to the device tree blob
+ * @nodeoffset: structure block offset of a node
+ * @name: name to give the node
+ *
+ * fdt_set_name() replaces the name (including unit address, if any)
+ * of the given node with the given string.  NOTE: this function can't
+ * efficiently check if the new name is unique amongst the given
+ * node's siblings; results are undefined if this function is invoked
+ * with a name equal to one of the given node's siblings.
+ *
+ * This function may insert or delete data from the blob, and will
+ * therefore change the offsets of some existing nodes.
+ *
+ * returns:
+ *	0, on success
+ *	-FDT_ERR_NOSPACE, there is insufficient free space in the blob
+ *		to contain the new name
+ *	-FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
+ *	-FDT_ERR_BADMAGIC,
+ *	-FDT_ERR_BADVERSION,
+ *	-FDT_ERR_BADSTATE, standard meanings
+ */
+int fdt_set_name(void *fdt, int nodeoffset, const char *name);
+
+/**
  * fdt_setprop - create or change a property
  * @fdt: pointer to the device tree blob
  * @nodeoffset: offset of the node whose property to change
diff --git a/include/rtc.h b/include/rtc.h
index 15f3571..2995144 100644
--- a/include/rtc.h
+++ b/include/rtc.h
@@ -52,7 +52,7 @@ struct rtc_time {
 	int tm_isdst;
 };
 
-void rtc_get (struct rtc_time *);
+int rtc_get (struct rtc_time *);
 void rtc_set (struct rtc_time *);
 void rtc_reset (void);