Function prototype or declaration at include/linux/tty_flip.h, line 11 References: drivers/tty/cyclades.c, line 957 drivers/tty/goldfish.c, line 81 drivers/tty/isicom.c, line 653 drivers/tty/metag_da.c, line 175 drivers/tty/moxa.c, line 1961 drivers/tty/moxa.c, line 1973 drivers/tty/rocket.c, line 398 drivers/tty/tty_buffer.c, line 398 drivers/tty/tty_buffer.c, line 411 include/linux/tty_flip.h, line 11