Macro (un)definition at include/linux/tty.h, line 167 References: drivers/tty/amiserial.c, line 1243 drivers/tty/cyclades.c, line 2119 drivers/tty/cyclades.c, line 2788 drivers/tty/hvc/hvsi.c, line 236 drivers/tty/isicom.c, line 752 drivers/tty/moxa.c, line 1314 drivers/tty/n_gsm.c, line 1057 drivers/tty/synclink_gt.c, line 3245 drivers/tty/tty_ioctl.c, line 645 drivers/tty/tty_port.c, line 375 drivers/tty/tty_port.c, line 483 drivers/usb/serial/cypress_m8.c, line 1126 drivers/usb/serial/generic.c, line 627 include/linux/tty.h, line 167