IP30_HEART_L2_IRQ
irq_set_percpu_devid(IP30_HEART_L2_IRQ);
irq_set_chained_handler_and_data(IP30_HEART_L2_IRQ, ip30_normal_irq,
enable_percpu_irq(IP30_HEART_L2_IRQ, IRQ_TYPE_NONE);