RBTX4939_IRQ_IOCINT 63 arch/mips/txx9/rbtx4939/irq.c case RBTX4939_IRQ_IOCINT: RBTX4939_IRQ_IOCINT 94 arch/mips/txx9/rbtx4939/irq.c irq_set_chained_handler(RBTX4939_IRQ_IOCINT, handle_simple_irq);