purge_command 751 drivers/usb/serial/whiteheat.c struct whiteheat_purge purge_command; purge_command 753 drivers/usb/serial/whiteheat.c purge_command.port = port->port_number + 1; purge_command 754 drivers/usb/serial/whiteheat.c purge_command.what = rxtx; purge_command 756 drivers/usb/serial/whiteheat.c (__u8 *)&purge_command, sizeof(purge_command));