+#define IRQT_PROBE (1 << 4)
+
+int set_irq_type(unsigned int irq, unsigned int type);
+void disable_irq_wake(unsigned int irq);
+void enable_irq_wake(unsigned int irq);
+int setup_irq(unsigned int, struct irqaction *);
+
+struct irqaction;
+struct pt_regs;
+int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);