#define hpet_rtc_timer_init() do { } while (0)
#define hpet_register_irq_handler(h) 0
#define hpet_unregister_irq_handler(h) do { } while (0)
-extern irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id);
+static irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id)
+{
+ return 0;
+}
#endif
struct cmos_rtc {