[Blackfin][PATCH] call real the system synchronize instruction
diff --git a/include/asm-blackfin/io.h b/include/asm-blackfin/io.h
index 6bab6e7..c435fef 100644
--- a/include/asm-blackfin/io.h
+++ b/include/asm-blackfin/io.h
@@ -37,6 +37,7 @@
 
 static inline void sync(void)
 {
+	__builtin_bfin_ssync();
 }
 
 /*