diff --git a/arch/m68k/include/asm/machdep.h b/arch/m68k/include/asm/machdep.h
index 789f3b2de0e9bf2f63720bcc0c522c686e9c9d31..415d5484916c4d9e6ec1981e380cfe9a0f1ab4de 100644
--- a/arch/m68k/include/asm/machdep.h
+++ b/arch/m68k/include/asm/machdep.h
@@ -40,5 +40,6 @@ extern unsigned long hw_timer_offset(void);
 extern irqreturn_t arch_timer_interrupt(int irq, void *dummy);
 
 extern void config_BSP(char *command, int len);
+extern void do_IRQ(int irq, struct pt_regs *fp);
 
 #endif /* _M68K_MACHDEP_H */