diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index 520d5f8ba3cd..e2feed6dbecf 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -141,7 +141,7 @@ static int rbtree_show(struct seq_file *s, void *ignored)
 	int registers = 0;
 	int this_registers, average;
 
-	map->lock(map->lock_arg);
+	guard(regmap)(map);
 
 	mem_size = sizeof(*rbtree_ctx);
 
@@ -168,8 +168,6 @@ static int rbtree_show(struct seq_file *s, void *ignored)
 	seq_printf(s, "%d nodes, %d registers, average %d registers, used %zu bytes\n",
 		   nodes, registers, average, mem_size);
 
-	map->unlock(map->lock_arg);
-
 	return 0;
 }