TXx9_IRCR_DOWN    124 arch/mips/kernel/irq_txx9.c 	case IRQF_TRIGGER_FALLING:	mode = TXx9_IRCR_DOWN;	break;
TXx9_IRCR_DOWN    119 arch/mips/txx9/generic/irq_tx4939.c 		mode = TXx9_IRCR_DOWN;