-extern void disable_irq(unsigned int);
-extern void enable_irq(unsigned int);
-
-#define disable_irq_nosync disable_irq
-#define enable_irq_nosync enable_irq
-
-struct irqaction;
-struct pt_regs;
-int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
-