[S390] cio: provide functions for fcx enabled I/O

Provide functions for assembling and starting fcx enabled I/O request
blocks.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

drivers/s390/cio/device_id.c

@@ -237,7 +237,7 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
 	if (irb->scsw.cmd.cc == 3) {
 		u8 lpm;
 
-		lpm = to_io_private(sch)->orb.lpm;
+		lpm = to_io_private(sch)->orb.cmd.lpm;
 		if ((lpm & sch->schib.pmcw.pim & sch->schib.pmcw.pam) != 0)
 			CIO_MSG_EVENT(4, "SenseID : path %02X for device %04x "
 				      "on subchannel 0.%x.%04x is "