MCTRL_ANY_DELTA - Linux

Symbol: MCTRL_ANY_DELTA

drivers/tty/serial/mxs-auart.c

if (mctrl_diff & MCTRL_ANY_DELTA && s->ms_irq_enabled &&

drivers/tty/serial/serial_mctrl_gpio.c

if (mctrl_diff & MCTRL_ANY_DELTA && port->state != NULL) {