1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 70b60845140e..82bb78680ff6 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -113,3 +113,24 @@ int of_device_is_compatible(const struct device_node *device,
         return 0;
 }
 EXPORT_SYMBOL(of_device_is_compatible);
+
+/**
+ *      of_get_parent - Get a node's parent if any
+ *      @node:  Node to get parent
+ *
+ *      Returns a node pointer with refcount incremented, use
+ *      of_node_put() on it when done.
+ */
+struct device_node *of_get_parent(const struct device_node *node)
+{
+        struct device_node *np;
+
+        if (!node)
+                return NULL;
+
+        read_lock(&devtree_lock);
+        np = of_node_get(node->parent);
+        read_unlock(&devtree_lock);
+        return np;
+}
+EXPORT_SYMBOL(of_get_parent);