Function prototype or declaration at include/linux/tty.h, line 526 References: drivers/tty/n_gsm.c, line 3121 drivers/tty/serial/altera_jtaguart.c, line 118 drivers/tty/serial/altera_uart.c, line 177 drivers/tty/serial/arc_uart.c, line 399 drivers/tty/serial/mvebu-uart.c, line 331 drivers/tty/serial/timbuart.c, line 310 drivers/tty/tty_ioctl.c, line 272 drivers/tty/tty_ioctl.c, line 281 drivers/tty/tty_ioctl.c, line 335 drivers/usb/serial/ch341.c, line 406 drivers/usb/serial/ir-usb.c, line 376 drivers/usb/serial/iuu_phoenix.c, line 929 drivers/usb/serial/keyspan_pda.c, line 353 drivers/usb/serial/kobil_sct.c, line 483 drivers/usb/serial/usb-serial.c, line 432 include/linux/tty.h, line 526