core: ofnode: add ofnode_get_parent function

[people/ms/u-boot.git] / drivers / core / ofnode.c

diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 98f4b539ea4d6de876f1058104a260b7a400e035..dd6d57c49bd5c48ea12e20895c5b0e48e2854123 100644 (file)
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -165,6 +165,20 @@ ofnode ofnode_next_subnode(ofnode node)
                fdt_next_subnode(gd->fdt_blob, ofnode_to_offset(node)));
 }
 
+ofnode ofnode_get_parent(ofnode node)
+{
+       ofnode parent;
+
+       assert(ofnode_valid(node));
+       if (ofnode_is_np(node))
+               parent = np_to_ofnode(of_get_parent(ofnode_to_np(node)));
+       else
+               parent.of_offset = fdt_parent_offset(gd->fdt_blob,
+                                                    ofnode_to_offset(node));
+
+       return parent;
+}
+
 const char *ofnode_get_name(ofnode node)
 {
        assert(ofnode_valid(node));