--- zzzz-none-000/linux-2.4.17/include/asm-arm/hardirq.h	2001-10-11 16:04:57.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/asm-arm/hardirq.h	2004-11-24 13:21:35.000000000 +0000
@@ -34,6 +34,7 @@
 #define irq_exit(cpu,irq)	(local_irq_count(cpu)--)
 
 #define synchronize_irq()	do { } while (0)
+#define release_irqlock(cpu)	do { } while (0)
 
 #else
 #error SMP not supported