Merge tag 'v4.9.144' into 4.9-2.3.x-imx

This is the 4.9.144 stable release

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 36f6bb39de5b..c5139764d72d 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -739,6 +739,31 @@ struct device_node *of_get_next_available_child(const struct device_node *node,
 EXPORT_SYMBOL(of_get_next_available_child);
 
 /**
+ * of_get_compatible_child - Find compatible child node
+ * @parent:	parent node
+ * @compatible:	compatible string
+ *
+ * Lookup child node whose compatible property contains the given compatible
+ * string.
+ *
+ * Returns a node pointer with refcount incremented, use of_node_put() on it
+ * when done; or NULL if not found.
+ */
+struct device_node *of_get_compatible_child(const struct device_node *parent,
+				const char *compatible)
+{
+	struct device_node *child;
+
+	for_each_child_of_node(parent, child) {
+		if (of_device_is_compatible(child, compatible))
+			break;
+	}
+
+	return child;
+}
+EXPORT_SYMBOL(of_get_compatible_child);
+
+/**
  *	of_get_child_by_name - Find the child node by name for a given parent
  *	@node:	parent node
  *	@name:	child name to look for.