--- zzzz-none-000/linux-2.4.17/include/asm-mips/hw_irq.h	2001-07-02 20:56:40.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/include/asm-mips/hw_irq.h	2004-11-24 13:21:30.000000000 +0000
@@ -8,6 +8,8 @@
 #ifndef _ASM_HW_IRQ_H
 #define _ASM_HW_IRQ_H
 
+extern volatile unsigned long irq_err_count;
+
 /* This may not be apropriate for all machines, we'll see ...  */
 static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i)
 {