UART_CD           826 drivers/usb/serial/cypress_m8.c 		| ((status & UART_CD)         ? TIOCM_CD  : 0);
UART_CD          1112 drivers/usb/serial/cypress_m8.c 			if (delta & UART_CD)
UART_CD          1124 drivers/usb/serial/cypress_m8.c 	if (tty && !C_CLOCAL(tty) && !(priv->current_status & UART_CD)) {