--- zzzz-none-000/linux-2.4.17/include/asm-mips/hardirq.h	2001-09-09 17:43:01.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/asm-mips/hardirq.h	2004-11-24 13:21:33.000000000 +0000
@@ -43,6 +43,8 @@
 
 #define synchronize_irq()	barrier();
 
+#define release_irqlock(cpu)	do { } while (0)
+
 #else
 
 #include <asm/atomic.h>