MCTRL_TIMEOUT     175 drivers/tty/serial/imx.c #define MCTRL_TIMEOUT	(250*HZ/1000)
MCTRL_TIMEOUT      61 drivers/tty/serial/pnx8xxx_uart.c #define MCTRL_TIMEOUT	(250*HZ/1000)
MCTRL_TIMEOUT      76 drivers/tty/serial/sa1100.c #define MCTRL_TIMEOUT	(250*HZ/1000)