Blackfin: convert interrupt pipeline to irqflags

Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/include/asm/system.h b/arch/blackfin/include/asm/system.h
index 294dbda..85e8f16 100644
--- a/arch/blackfin/include/asm/system.h
+++ b/arch/blackfin/include/asm/system.h
@@ -135,11 +135,13 @@
 };
 #define __xg(x) ((volatile struct __xchg_dummy *)(x))
 
+#include <mach/blackfin.h>
+
 static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
 				   int size)
 {
 	unsigned long tmp = 0;
-	unsigned long flags = 0;
+	unsigned long flags;
 
 	local_irq_save_hw(flags);