tag	line	file	source code
UART_MSR_DCD	462	drivers/char/serial.c	(status & UART_MSR_DCD) ? "on" : "off");
UART_MSR_DCD	464	drivers/char/serial.c	if (status & UART_MSR_DCD)
UART_MSR_DCD	1590	drivers/char/serial.c	| ((status  & UART_MSR_DCD) ? TIOCM_CAR : 0)
UART_MSR_DCD	2215	drivers/char/serial.c	UART_MSR_DCD)))