add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/s390/net/lcs.c
..
..
@@ -504,7 +504,7 @@
504
504
 	LCS_DBF_TEXT(4,trace,"clearch");
505
505
 	LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev));
506
506
 	spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
507
-	rc = ccw_device_clear(channel->ccwdev, (addr_t) channel);
507
+	rc = ccw_device_clear(channel->ccwdev, 0);
508
508
 	spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
509
509
 	if (rc) {
510
510
 		LCS_DBF_TEXT_(4, trace, "ecsc%s",
..
..
@@ -532,7 +532,7 @@
532
532
 	LCS_DBF_TEXT_(4, trace, "%s", dev_name(&channel->ccwdev->dev));
533
533
 	channel->state = LCS_CH_STATE_INIT;
534
534
 	spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags);
535
-	rc = ccw_device_halt(channel->ccwdev, (addr_t) channel);
535
+	rc = ccw_device_halt(channel->ccwdev, 0);
536
536
 	spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
537
537
 	if (rc) {
538
538
 		LCS_DBF_TEXT_(4, trace, "ehsc%s",
..
..
@@ -1427,7 +1427,7 @@
1427
1427
 		channel->state = LCS_CH_STATE_SUSPENDED;
1428
1428
 	if (irb->scsw.cmd.fctl & SCSW_FCTL_HALT_FUNC) {
1429
1429
 		if (irb->scsw.cmd.cc != 0) {
1430
-			ccw_device_halt(channel->ccwdev, (addr_t) channel);
1430
+			ccw_device_halt(channel->ccwdev, 0);
1431
1431
 			return;
1432
1432
 		}
1433
1433
 		/* The channel has been stopped by halt_IO. */
..
..
@@ -1518,9 +1518,8 @@
1518
1518
 /**
1519
1519
  * Packet transmit function called by network stack
1520
1520
  */
1521
-static int
1522
-__lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb,
1523
-		 struct net_device *dev)
1521
+static netdev_tx_t __lcs_start_xmit(struct lcs_card *card, struct sk_buff *skb,
1522
+				    struct net_device *dev)
1524
1523
 {
1525
1524
 	struct lcs_header *header;
1526
1525
 	int rc = NETDEV_TX_OK;
..
..
@@ -1581,8 +1580,7 @@
1581
1580
 	return rc;
1582
1581
 }
1583
1582
 
1584
-static int
1585
-lcs_start_xmit(struct sk_buff *skb, struct net_device *dev)
1583
+static netdev_tx_t lcs_start_xmit(struct sk_buff *skb, struct net_device *dev)
1586
1584
 {
1587
1585
 	struct lcs_card *card;
1588
1586
 	int rc;
..
..
@@ -1735,10 +1733,11 @@
1735
1733
 			lcs_schedule_recovery(card);
1736
1734
 			break;
1737
1735
 		case LCS_CMD_STOPLAN:
1738
-			pr_warn("Stoplan for %s initiated by LGW\n",
1739
-				card->dev->name);
1740
-			if (card->dev)
1736
+			if (card->dev) {
1737
+				pr_warn("Stoplan for %s initiated by LGW\n",
1738
+					card->dev->name);
1741
1739
 				netif_carrier_off(card->dev);
1740
+			}
1742
1741
 			break;
1743
1742
 		default:
1744
1743
 			LCS_DBF_TEXT(5, trace, "noLGWcmd");
..
..
@@ -2296,60 +2295,6 @@
2296
2295
 	put_device(&ccwgdev->dev);
2297
2296
 }
2298
2297
 
2299
-static int lcs_pm_suspend(struct lcs_card *card)
2300
-{
2301
-	if (card->dev)
2302
-		netif_device_detach(card->dev);
2303
-	lcs_set_allowed_threads(card, 0);
2304
-	lcs_wait_for_threads(card, 0xffffffff);
2305
-	if (card->state != DEV_STATE_DOWN)
2306
-		__lcs_shutdown_device(card->gdev, 1);
2307
-	return 0;
2308
-}
2309
-
2310
-static int lcs_pm_resume(struct lcs_card *card)
2311
-{
2312
-	int rc = 0;
2313
-
2314
-	if (card->state == DEV_STATE_RECOVER)
2315
-		rc = lcs_new_device(card->gdev);
2316
-	if (card->dev)
2317
-		netif_device_attach(card->dev);
2318
-	if (rc) {
2319
-		dev_warn(&card->gdev->dev, "The lcs device driver "
2320
-			"failed to recover the device\n");
2321
-	}
2322
-	return rc;
2323
-}
2324
-
2325
-static int lcs_prepare(struct ccwgroup_device *gdev)
2326
-{
2327
-	return 0;
2328
-}
2329
-
2330
-static void lcs_complete(struct ccwgroup_device *gdev)
2331
-{
2332
-	return;
2333
-}
2334
-
2335
-static int lcs_freeze(struct ccwgroup_device *gdev)
2336
-{
2337
-	struct lcs_card *card = dev_get_drvdata(&gdev->dev);
2338
-	return lcs_pm_suspend(card);
2339
-}
2340
-
2341
-static int lcs_thaw(struct ccwgroup_device *gdev)
2342
-{
2343
-	struct lcs_card *card = dev_get_drvdata(&gdev->dev);
2344
-	return lcs_pm_resume(card);
2345
-}
2346
-
2347
-static int lcs_restore(struct ccwgroup_device *gdev)
2348
-{
2349
-	struct lcs_card *card = dev_get_drvdata(&gdev->dev);
2350
-	return lcs_pm_resume(card);
2351
-}
2352
-
2353
2298
 static struct ccw_device_id lcs_ids[] = {
2354
2299
 	{CCW_DEVICE(0x3088, 0x08), .driver_info = lcs_channel_type_parallel},
2355
2300
 	{CCW_DEVICE(0x3088, 0x1f), .driver_info = lcs_channel_type_2216},
..
..
@@ -2382,11 +2327,6 @@
2382
2327
 	.remove      = lcs_remove_device,
2383
2328
 	.set_online  = lcs_new_device,
2384
2329
 	.set_offline = lcs_shutdown_device,
2385
-	.prepare     = lcs_prepare,
2386
-	.complete    = lcs_complete,
2387
-	.freeze	     = lcs_freeze,
2388
-	.thaw	     = lcs_thaw,
2389
-	.restore     = lcs_restore,
2390
2330
 };
2391
2331
 
2392
2332
 static ssize_t group_store(struct device_driver *ddrv, const char *buf,