Function prototype or declaration at include/linux/tty.h, line 689 References: arch/ia64/hp/sim/simserial.c, line 354 arch/um/drivers/line.c, line 356 drivers/char/ttyprintk.c, line 109 drivers/ipack/devices/ipoctal.c, line 129 drivers/isdn/capi/capi.c, line 1035 drivers/misc/pti.c, line 446 drivers/mmc/core/sdio_uart.c, line 772 drivers/staging/gdm724x/gdm_tty.c, line 111 drivers/staging/greybus/uart.c, line 424 drivers/tty/cyclades.c, line 1748 drivers/tty/ehv_bytechan.c, line 514 drivers/tty/goldfish.c, line 181 drivers/tty/isicom.c, line 929 drivers/tty/mips_ejtag_fdc.c, line 776 drivers/tty/moxa.c, line 1209 drivers/tty/nozomi.c, line 1613 drivers/tty/serial/ifx6x60.c, line 356 drivers/tty/serial/kgdb_nmi.c, line 291 drivers/tty/serial/serial_core.c, line 1498 drivers/tty/tty_port.c, line 637 drivers/tty/tty_port.c, line 647 drivers/tty/vcc.c, line 793 drivers/usb/class/cdc-acm.c, line 738 drivers/usb/host/xhci-dbgtty.c, line 192 drivers/usb/serial/usb-serial.c, line 283 include/linux/tty.h, line 689 net/bluetooth/rfcomm/tty.c, line 780