tag	line	file	source code
STD_COM_FLAGS	146	drivers/char/serial.c	{ BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS },    /* ttyS0 */
STD_COM_FLAGS	147	drivers/char/serial.c	{ BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS },    /* ttyS1 */
STD_COM_FLAGS	148	drivers/char/serial.c	{ BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },    /* ttyS2 */