s390/time: rename tod clock access functions

Fix name clash with some common code device drivers and add "tod"
to all tod clock access function names.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 704488d..cc06033 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -184,14 +184,14 @@
 	private->iob.bio_list = dreq->bio;
 	private->iob.flaga = DASD_DIAG_FLAGA_DEFAULT;
 
-	cqr->startclk = get_clock();
+	cqr->startclk = get_tod_clock();
 	cqr->starttime = jiffies;
 	cqr->retries--;
 
 	rc = dia250(&private->iob, RW_BIO);
 	switch (rc) {
 	case 0: /* Synchronous I/O finished successfully */
-		cqr->stopclk = get_clock();
+		cqr->stopclk = get_tod_clock();
 		cqr->status = DASD_CQR_SUCCESS;
 		/* Indicate to calling function that only a dasd_schedule_bh()
 		   and no timer is needed */
@@ -222,7 +222,7 @@
 	mdsk_term_io(device);
 	mdsk_init_io(device, device->block->bp_block, 0, NULL);
 	cqr->status = DASD_CQR_CLEAR_PENDING;
-	cqr->stopclk = get_clock();
+	cqr->stopclk = get_tod_clock();
 	dasd_schedule_device_bh(device);
 	return 0;
 }
@@ -276,7 +276,7 @@
 		return;
 	}
 
-	cqr->stopclk = get_clock();
+	cqr->stopclk = get_tod_clock();
 
 	expires = 0;
 	if ((ext_code.subcode & 0xff) == 0) {
@@ -556,7 +556,7 @@
 		}
 	}
 	cqr->retries = DIAG_MAX_RETRIES;
-	cqr->buildclk = get_clock();
+	cqr->buildclk = get_tod_clock();
 	if (blk_noretry_request(req) ||
 	    block->base->features & DASD_FEATURE_FAILFAST)
 		set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags);