s390/net: sort out physical vs virtual pointers usage

Fix virtual vs physical address confusion (which currently are the same).

Reviewed-by: Alexandra Winter <[e-mail]>
Reviewed-by: Wenjia Zhang <[e-mail]>
Signed-off-by: Alexander Gordeev <[e-mail]>
Signed-off-by: Alexandra Winter <[e-mail]>
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/s390/net/lcs.c

···
 		 * we do not need to do set_normalized_cda.
 		 */
 		card->read.ccws[cnt].cda =
-			(__u32) __pa(card->read.iob[cnt].data);
+			(__u32)virt_to_phys(card->read.iob[cnt].data);
 		((struct lcs_header *)
 		 card->read.iob[cnt].data)->offset = LCS_ILLEGAL_OFFSET;
 		card->read.iob[cnt].callback = lcs_get_frames_cb;
···
 	/* Last ccw is a tic (transfer in channel). */
 	card->read.ccws[LCS_NUM_BUFFS].cmd_code = LCS_CCW_TRANSFER;
 	card->read.ccws[LCS_NUM_BUFFS].cda =
-		(__u32) __pa(card->read.ccws);
+		(__u32)virt_to_phys(card->read.ccws);
 	/* Setg initial state of the read channel. */
 	card->read.state = LCS_CH_STATE_INIT;
 
···
 		 * we do not need to do set_normalized_cda.
 		 */
 		card->write.ccws[cnt].cda =
-			(__u32) __pa(card->write.iob[cnt].data);
+			(__u32)virt_to_phys(card->write.iob[cnt].data);
 	}
 	/* Last ccw is a tic (transfer in channel). */
 	card->write.ccws[LCS_NUM_BUFFS].cmd_code = LCS_CCW_TRANSFER;
 	card->write.ccws[LCS_NUM_BUFFS].cda =
-		(__u32) __pa(card->write.ccws);
+		(__u32)virt_to_phys(card->write.ccws);
 	/* Set initial state of the write channel. */
 	card->read.state = LCS_CH_STATE_INIT;
 

drivers/s390/net/qeth_core_main.c

···
 	ccw->cmd_code = cmd_code;
 	ccw->flags = flags | CCW_FLAG_SLI;
 	ccw->count = len;
-	ccw->cda = (__u32) __pa(data);
+	ccw->cda = (__u32)virt_to_phys(data);
 }
 
 static int __qeth_issue_next_read(struct qeth_card *card)