old_iobase        900 drivers/tty/serial/serial_core.c 		unsigned long old_iobase, old_mapbase;
old_iobase        903 drivers/tty/serial/serial_core.c 		old_iobase = uport->iobase;
old_iobase        938 drivers/tty/serial/serial_core.c 			uport->iobase = old_iobase;