LSR_BI            114 arch/arm/mach-pxa/include/mach/regs-uart.h #define LSR_BI		(1 << 4)	/* Break Interrupt */
LSR_BI             35 arch/powerpc/kernel/udbg_16550.c #define LSR_BI   0x10  /* Break */
LSR_BI            143 arch/sh/include/asm/smc37c93x.h #define LSR_BI		0x1000	/* Break Interrupt */