old_mapbase       900 drivers/tty/serial/serial_core.c 		unsigned long old_iobase, old_mapbase;
old_mapbase       904 drivers/tty/serial/serial_core.c 		old_mapbase = uport->mapbase;
old_mapbase       943 drivers/tty/serial/serial_core.c 			uport->mapbase = old_mapbase;