s3c_irq_demux     479 drivers/irqchip/irq-s3c24xx.c 		irq_set_chained_handler(irqno, s3c_irq_demux);
s3c_irq_demux    1203 drivers/irqchip/irq-s3c24xx.c 		irq_set_chained_handler(irqno, s3c_irq_demux);