MCTRL_ANY_DELTA   754 drivers/tty/serial/mxs-auart.c #define MCTRL_ANY_DELTA        (TIOCM_RI | TIOCM_DSR | TIOCM_CD | TIOCM_CTS)
MCTRL_ANY_DELTA   155 drivers/tty/serial/serial_mctrl_gpio.c #define MCTRL_ANY_DELTA (TIOCM_RI | TIOCM_DSR | TIOCM_CD | TIOCM_CTS)