MCR_LOOP 120 arch/arm/mach-pxa/include/mach/regs-uart.h #define MCR_LOOP (1 << 4) MCR_LOOP 135 arch/sh/include/asm/smc37c93x.h #define MCR_LOOP 0x1000 /* Loop */ MCR_LOOP 185 drivers/net/hamradio/yam.c #define MCR_LOOP 0x10 /* Loopback enable */