Symbol: tty_port_check_carrier
drivers/tty/amiserial.c
327
if (tty_port_check_carrier(port) && (dstatus & SER_DCD)) {
drivers/tty/mxser.c
697
if (tty_port_check_carrier(&port->port) && (msr & UART_MSR_DDCD)) {
drivers/tty/synclink_gt.c
1994
if (tty_port_check_carrier(&info->port)) {