TXx9_IRCSR_IF      52 arch/mips/kernel/irq_txx9.c #define TXx9_IRCSR_IF	0x00010000
TXx9_IRCSR_IF      43 arch/mips/txx9/generic/irq_tx4939.c #define TXx9_IRCSR_IF	0x00010000