Structure at include/linux/serial_core.h, line 279 References: arch/mn10300/kernel/mn10300-serial.c, line 471 drivers/net/usb/hso.c, line 223 drivers/net/usb/hso.c, line 1506 drivers/net/usb/hso.c, line 1583 drivers/net/usb/hso.c, line 1594 drivers/net/usb/hso.c, line 1599 drivers/net/usb/hso.c, line 1631 drivers/net/usb/hso.c, line 1640 drivers/tty/serial/dz.c, line 192 drivers/tty/serial/icom.c, line 740 drivers/tty/serial/ioc3_serial.c, line 1095 drivers/tty/serial/ioc4_serial.c, line 2044 drivers/tty/serial/ioc4_serial.c, line 2346 drivers/tty/serial/sb1250-duart.c, line 341 drivers/tty/serial/serial_core.c, line 1021 drivers/tty/serial/serial_core.c, line 1028 drivers/tty/serial/serial_core.c, line 1039 drivers/tty/serial/serial_core.c, line 1079 drivers/tty/serial/serial_core.c, line 1083 drivers/tty/serial/zs.c, line 544 include/linux/serial_core.h, line 279 include/linux/serial_core.h, line 327