USR1_DTRD         907 drivers/tty/serial/imx.c 		usr1 &= ~USR1_DTRD;
USR1_DTRD         925 drivers/tty/serial/imx.c 	if (usr1 & USR1_DTRD) {
USR1_DTRD         926 drivers/tty/serial/imx.c 		imx_uart_writel(sport, USR1_DTRD, USR1);
USR1_DTRD        1387 drivers/tty/serial/imx.c 	imx_uart_writel(sport, USR1_RTSD | USR1_DTRD, USR1);