Add a helper to iterate over all nodes with a given compatible string.
Signed-off-by: Michael Walle <mich...@walle.cc>
---
include/dm/ofnode.h | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 6a714d0c7b..0f680e5aa6 100644
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -1009,6 +1009,30 @@ ofnode ofnode_by_prop_value(ofnode from, const char
*propname,
ofnode_valid(node); \
node = ofnode_next_subnode(node))
+/**
+ * ofnode_for_each_compatible_node() - iterate over all nodes with a given
+ * compatible string
+ *
+ * @node: child node (ofnode, lvalue)
+ * @compat: compatible string to match
+ *
+ * This is a wrapper around a for loop and is used like so:
+ *
+ * ofnode node;
+ *
+ * ofnode_for_each_compatible_node(node, parent, compatible) {
+ * Use node
+ * ...
+ * }
+ *
+ * Note that this is implemented as a macro and @node is used as
+ * iterator in the loop.
+ */
+#define ofnode_for_each_compatible_node(node, compat) \
+ for (node = ofnode_by_compatible(ofnode_null(), compat); \
+ ofnode_valid(node); \
+ node = ofnode_by_compatible(node, compat))
+
/**
* ofnode_get_child_count() - get the child count of a ofnode
*
--
2.30.2
