LS1X_UART4_IRQ 67 arch/mips/include/asm/mach-loongson32/irq.h #define LS1X_UART4_IRQ LS1X_IRQ(0, 29) LS1X_UART4_IRQ 84 arch/mips/include/asm/mach-loongson32/irq.h #define LS1X_UART4_IRQ LS1X_IRQ(1, 5)