Function prototype or declaration at include/linux/tty.h, line 536 References: arch/um/drivers/line.c, line 269 drivers/isdn/capi/capi.c, line 629 drivers/isdn/gigaset/interface.c, line 491 drivers/net/usb/hso.c, line 1943 drivers/net/usb/hso.c, line 2007 drivers/s390/char/sclp_tty.c, line 128 drivers/s390/char/sclp_vt220.c, line 141 drivers/staging/fwserial/fwserial.c, line 777 drivers/staging/serqt_usb2/serqt_usb2.c, line 280 drivers/tty/ehv_bytechan.c, line 477 drivers/tty/hvc/hvsi.c, line 897 drivers/tty/nozomi.c, line 810 drivers/tty/serial/ifx6x60.c, line 473 drivers/tty/serial/ifx6x60.c, line 727 drivers/tty/tty_port.c, line 270 drivers/tty/tty_port.c, line 279 drivers/usb/class/cdc-acm.c, line 443 drivers/usb/serial/digi_acceleport.c, line 375 drivers/usb/serial/digi_acceleport.c, line 1035 drivers/usb/serial/digi_acceleport.c, line 1506 drivers/usb/serial/io_edgeport.c, line 642 drivers/usb/serial/io_edgeport.c, line 740 drivers/usb/serial/io_edgeport.c, line 781 drivers/usb/serial/keyspan_pda.c, line 108 drivers/usb/serial/mos7720.c, line 966 drivers/usb/serial/mos7840.c, line 832 drivers/usb/serial/ti_usb_3410_5052.c, line 1233 drivers/usb/serial/usb-serial.c, line 546 include/linux/tty.h, line 536