diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index ae6b67c..2fef772 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -380,7 +380,8 @@
 	 * setting up the hash table pointers. It also sets up some interrupt-mapping
 	 * related options that will be used by finish_device_tree()
 	 */
-	ppc_md.init_early();
+	if (ppc_md.init_early)
+		ppc_md.init_early();
 
  	/*
 	 * We can discover serial ports now since the above did setup the