[PATCH] powerpc: check for null init_early routine

[Geoff Levand]

Add a check for a null ppc_md.init_early to allow platforms that
don't require an init_early routine to just set this member to null.


Signed-off-by: Geoff Levand <geoffrey.levand at am.sony.com>

---
Index: cell--common--6/arch/powerpc/kernel/setup_64.c
===================================================================
--- cell--common--6.orig/arch/powerpc/kernel/setup_64.c
+++ cell--common--6/arch/powerpc/kernel/setup_64.c
@@ -392,7 +392,8 @@
 	 * 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