iersave           999 drivers/tty/serial/8250/8250_port.c 	unsigned int iersave;
iersave          1115 drivers/tty/serial/8250/8250_port.c 	iersave = serial_in(up, UART_IER);
iersave          1116 drivers/tty/serial/8250/8250_port.c 	serial_out(up, UART_IER, iersave & ~UART_IER_UUE);
iersave          1122 drivers/tty/serial/8250/8250_port.c 		serial_out(up, UART_IER, iersave | UART_IER_UUE);
iersave          1140 drivers/tty/serial/8250/8250_port.c 	serial_out(up, UART_IER, iersave);