tag	line	file	source code
UART_DLM	266	drivers/char/console.c	hi = serial_echo_inb(UART_DLM);
UART_DLM	275	drivers/char/console.c	serial_echo_outb(0x00, UART_DLM); /* 9600 baud */
UART_DLM	1247	drivers/char/serial.c	serial_outp(info, UART_DLM, quot >> 8);    /* MS of divisor */