tty/hvc/hvc_iucv.c

214  * there are no pending data messages available or if there is no established
309  * If an IUCV communication path has been established, pending IUCV messages
384  * If an IUCV communication path has been established, the buffered output data
386  * Returns 0 if there is no established IUCV communication path or
562  * The hang-up occurs only if an IUCV communication path is established;
626  * to keep an existing IUCV communication path established.
629  * If the tty has been opened and an established IUCV path has been severed
649 	 *	 ignore this hangup and keep an established IUCV path open...  in hvc_iucv_notifier_hangup()
674 	 * established at any times.  in hvc_iucv_dtr_rts()
683 	/* Lowering the DTR/RTS lines disconnects an established IUCV  in hvc_iucv_dtr_rts()
838 	 * this path to enforce that there is only ONE established communication  in hvc_iucv_path_pending()