forked from ~ljy/RK356X_SDK_RELEASE
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2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd 
 kernel/drivers/net/ethernet/marvell/sky2.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * New driver for Marvell Yukon 2 chipset.
34  * Based on earlier sk98lin, and skge driver.
....@@ -7,19 +8,6 @@
78  * those should be done at higher levels.
89  *
910  * Copyright (C) 2005 Stephen Hemminger <shemminger@osdl.org>
10
- *
11
- * This program is free software; you can redistribute it and/or modify
12
- * it under the terms of the GNU General Public License as published by
13
- * the Free Software Foundation; either version 2 of the License.
14
- *
15
- * This program is distributed in the hope that it will be useful,
16
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
17
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18
- * GNU General Public License for more details.
19
- *
20
- * You should have received a copy of the GNU General Public License
21
- * along with this program; if not, write to the Free Software
22
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
2311  */
2412 
2513 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
....@@ -1139,9 +1127,6 @@
11391127 	/* Make sure write' to descriptors are complete before we tell hardware */
11401128 	wmb();
11411129 	sky2_write16(hw, Y2_QADDR(q, PREF_UNIT_PUT_IDX), idx);
1142
-
1143
-	/* Synchronize I/O on since next processor may write to tail */
1144
-	mmiowb();
11451130 }
11461131 
11471132 
....@@ -1224,8 +1209,9 @@
12241209 	struct sk_buff *skb = re->skb;
12251210 	int i;
12261211 
1227
-	re->data_addr = pci_map_single(pdev, skb->data, size, PCI_DMA_FROMDEVICE);
1228
-	if (pci_dma_mapping_error(pdev, re->data_addr))
1212
+	re->data_addr = dma_map_single(&pdev->dev, skb->data, size,
1213
+				       DMA_FROM_DEVICE);
1214
+	if (dma_mapping_error(&pdev->dev, re->data_addr))
12291215 		goto mapping_error;
12301216 
12311217 	dma_unmap_len_set(re, data_size, size);
....@@ -1244,13 +1230,13 @@
12441230 
12451231 map_page_error:
12461232 	while (--i >= 0) {
1247
-		pci_unmap_page(pdev, re->frag_addr[i],
1233
+		dma_unmap_page(&pdev->dev, re->frag_addr[i],
12481234 			       skb_frag_size(&skb_shinfo(skb)->frags[i]),
1249
-			       PCI_DMA_FROMDEVICE);
1235
+			       DMA_FROM_DEVICE);
12501236 	}
12511237 
1252
-	pci_unmap_single(pdev, re->data_addr, dma_unmap_len(re, data_size),
1253
-			 PCI_DMA_FROMDEVICE);
1238
+	dma_unmap_single(&pdev->dev, re->data_addr,
1239
+			 dma_unmap_len(re, data_size), DMA_FROM_DEVICE);
12541240 
12551241 mapping_error:
12561242 	if (net_ratelimit())
....@@ -1264,13 +1250,13 @@
12641250 	struct sk_buff *skb = re->skb;
12651251 	int i;
12661252 
1267
-	pci_unmap_single(pdev, re->data_addr, dma_unmap_len(re, data_size),
1268
-			 PCI_DMA_FROMDEVICE);
1253
+	dma_unmap_single(&pdev->dev, re->data_addr,
1254
+			 dma_unmap_len(re, data_size), DMA_FROM_DEVICE);
12691255 
12701256 	for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
1271
-		pci_unmap_page(pdev, re->frag_addr[i],
1257
+		dma_unmap_page(&pdev->dev, re->frag_addr[i],
12721258 			       skb_frag_size(&skb_shinfo(skb)->frags[i]),
1273
-			       PCI_DMA_FROMDEVICE);
1259
+			       DMA_FROM_DEVICE);
12741260 }
12751261 
12761262 /* Tell chip where to start receive checksum.
....@@ -1354,7 +1340,6 @@
13541340 
13551341 	/* reset the Rx prefetch unit */
13561342 	sky2_write32(hw, Y2_QADDR(rxq, PREF_UNIT_CTRL), PREF_UNIT_RST_SET);
1357
-	mmiowb();
13581343 }
13591344 
13601345 /* Clean out receive buffer area, assumes receiver hardware stopped */
....@@ -1391,7 +1376,7 @@
13911376 	case SIOCGMIIPHY:
13921377 		data->phy_id = PHY_ADDR_MARV;
13931378 
1394
-		/* fallthru */
1379
+		fallthrough;
13951380 	case SIOCGMIIREG: {
13961381 		u16 val = 0;
13971382 
....@@ -1608,10 +1593,9 @@
16081593 	struct sky2_hw *hw = sky2->hw;
16091594 
16101595 	/* must be power of 2 */
1611
-	sky2->tx_le = pci_alloc_consistent(hw->pdev,
1612
-					   sky2->tx_ring_size *
1613
-					   sizeof(struct sky2_tx_le),
1614
-					   &sky2->tx_le_map);
1596
+	sky2->tx_le = dma_alloc_coherent(&hw->pdev->dev,
1597
+					 sky2->tx_ring_size * sizeof(struct sky2_tx_le),
1598
+					 &sky2->tx_le_map, GFP_KERNEL);
16151599 	if (!sky2->tx_le)
16161600 		goto nomem;
16171601 
....@@ -1620,8 +1604,8 @@
16201604 	if (!sky2->tx_ring)
16211605 		goto nomem;
16221606 
1623
-	sky2->rx_le = pci_zalloc_consistent(hw->pdev, RX_LE_BYTES,
1624
-					    &sky2->rx_le_map);
1607
+	sky2->rx_le = dma_alloc_coherent(&hw->pdev->dev, RX_LE_BYTES,
1608
+					 &sky2->rx_le_map, GFP_KERNEL);
16251609 	if (!sky2->rx_le)
16261610 		goto nomem;
16271611 
....@@ -1642,14 +1626,14 @@
16421626 	sky2_rx_clean(sky2);
16431627 
16441628 	if (sky2->rx_le) {
1645
-		pci_free_consistent(hw->pdev, RX_LE_BYTES,
1646
-				    sky2->rx_le, sky2->rx_le_map);
1629
+		dma_free_coherent(&hw->pdev->dev, RX_LE_BYTES, sky2->rx_le,
1630
+				  sky2->rx_le_map);
16471631 		sky2->rx_le = NULL;
16481632 	}
16491633 	if (sky2->tx_le) {
1650
-		pci_free_consistent(hw->pdev,
1651
-				    sky2->tx_ring_size * sizeof(struct sky2_tx_le),
1652
-				    sky2->tx_le, sky2->tx_le_map);
1634
+		dma_free_coherent(&hw->pdev->dev,
1635
+				  sky2->tx_ring_size * sizeof(struct sky2_tx_le),
1636
+				  sky2->tx_le, sky2->tx_le_map);
16531637 		sky2->tx_le = NULL;
16541638 	}
16551639 	kfree(sky2->tx_ring);
....@@ -1822,13 +1806,11 @@
18221806 static void sky2_tx_unmap(struct pci_dev *pdev, struct tx_ring_info *re)
18231807 {
18241808 	if (re->flags & TX_MAP_SINGLE)
1825
-		pci_unmap_single(pdev, dma_unmap_addr(re, mapaddr),
1826
-				 dma_unmap_len(re, maplen),
1827
-				 PCI_DMA_TODEVICE);
1809
+		dma_unmap_single(&pdev->dev, dma_unmap_addr(re, mapaddr),
1810
+				 dma_unmap_len(re, maplen), DMA_TO_DEVICE);
18281811 	else if (re->flags & TX_MAP_PAGE)
1829
-		pci_unmap_page(pdev, dma_unmap_addr(re, mapaddr),
1830
-			       dma_unmap_len(re, maplen),
1831
-			       PCI_DMA_TODEVICE);
1812
+		dma_unmap_page(&pdev->dev, dma_unmap_addr(re, mapaddr),
1813
+			       dma_unmap_len(re, maplen), DMA_TO_DEVICE);
18321814 	re->flags = 0;
18331815 }
18341816 
....@@ -1856,9 +1838,10 @@
18561838   		return NETDEV_TX_BUSY;
18571839 
18581840 	len = skb_headlen(skb);
1859
-	mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE);
1841
+	mapping = dma_map_single(&hw->pdev->dev, skb->data, len,
1842
+				 DMA_TO_DEVICE);
18601843 
1861
-	if (pci_dma_mapping_error(hw->pdev, mapping))
1844
+	if (dma_mapping_error(&hw->pdev->dev, mapping))
18621845 		goto mapping_error;
18631846 
18641847 	slot = sky2->tx_prod;
....@@ -2374,7 +2357,7 @@
23742357 /* Transmit timeout is only called if we are running, carrier is up
23752358  * and tx queue is full (stopped).
23762359  */
2377
-static void sky2_tx_timeout(struct net_device *dev)
2360
+static void sky2_tx_timeout(struct net_device *dev, unsigned int txqueue)
23782361 {
23792362 	struct sky2_port *sky2 = netdev_priv(dev);
23802363 	struct sky2_hw *hw = sky2->hw;
....@@ -2480,19 +2463,18 @@
24802463 
24812464 	skb = netdev_alloc_skb_ip_align(sky2->netdev, length);
24822465 	if (likely(skb)) {
2483
-		pci_dma_sync_single_for_cpu(sky2->hw->pdev, re->data_addr,
2484
-					    length, PCI_DMA_FROMDEVICE);
2466
+		dma_sync_single_for_cpu(&sky2->hw->pdev->dev, re->data_addr,
2467
+					length, DMA_FROM_DEVICE);
24852468 		skb_copy_from_linear_data(re->skb, skb->data, length);
24862469 		skb->ip_summed = re->skb->ip_summed;
24872470 		skb->csum = re->skb->csum;
24882471 		skb_copy_hash(skb, re->skb);
2489
-		skb->vlan_proto = re->skb->vlan_proto;
2490
-		skb->vlan_tci = re->skb->vlan_tci;
2472
+		__vlan_hwaccel_copy_tag(skb, re->skb);
24912473 
2492
-		pci_dma_sync_single_for_device(sky2->hw->pdev, re->data_addr,
2493
-					       length, PCI_DMA_FROMDEVICE);
2494
-		re->skb->vlan_proto = 0;
2495
-		re->skb->vlan_tci = 0;
2474
+		dma_sync_single_for_device(&sky2->hw->pdev->dev,
2475
+					   re->data_addr, length,
2476
+					   DMA_FROM_DEVICE);
2477
+		__vlan_hwaccel_clear_tag(re->skb);
24962478 		skb_clear_hash(re->skb);
24972479 		re->skb->ip_summed = CHECKSUM_NONE;
24982480 		skb_put(skb, length);
....@@ -2782,7 +2764,7 @@
27822764 
27832765 		case OP_RXCHKSVLAN:
27842766 			sky2_rx_tag(sky2, length);
2785
-			/* fall through */
2767
+			fallthrough;
27862768 		case OP_RXCHKS:
27872769 			if (likely(dev->features & NETIF_F_RXCSUM))
27882770 				sky2_rx_checksum(sky2, status);
....@@ -4418,6 +4400,10 @@
44184400 }
44194401 
44204402 static const struct ethtool_ops sky2_ethtool_ops = {
4403
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4404
+				     ETHTOOL_COALESCE_MAX_FRAMES |
4405
+				     ETHTOOL_COALESCE_RX_USECS_IRQ |
4406
+				     ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ,
44214407 	.get_drvinfo	= sky2_get_drvinfo,
44224408 	.get_wol	= sky2_get_wol,
44234409 	.set_wol	= sky2_set_wol,
....@@ -4624,19 +4610,7 @@
46244610 	napi_enable(&hw->napi);
46254611 	return 0;
46264612 }
4627
-
4628
-static int sky2_debug_open(struct inode *inode, struct file *file)
4629
-{
4630
-	return single_open(file, sky2_debug_show, inode->i_private);
4631
-}
4632
-
4633
-static const struct file_operations sky2_debug_fops = {
4634
-	.owner		= THIS_MODULE,
4635
-	.open		= sky2_debug_open,
4636
-	.read		= seq_read,
4637
-	.llseek		= seq_lseek,
4638
-	.release	= single_release,
4639
-};
4613
+DEFINE_SHOW_ATTRIBUTE(sky2_debug);
46404614 
46414615 /*
46424616  * Use network device events to create/remove/rename
....@@ -4822,8 +4796,8 @@
48224796 	 * 2) from internal registers set by bootloader
48234797 	 */
48244798 	iap = of_get_mac_address(hw->pdev->dev.of_node);
4825
-	if (iap)
4826
-		memcpy(dev->dev_addr, iap, ETH_ALEN);
4799
+	if (!IS_ERR(iap))
4800
+		ether_addr_copy(dev->dev_addr, iap);
48274801 	else
48284802 		memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8,
48294803 			      ETH_ALEN);
....@@ -4948,6 +4922,13 @@
49484922 		},
49494923 	},
49504924 	{
4925
+		.ident = "ASUS P5W DH Deluxe",
4926
+		.matches = {
4927
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTEK COMPUTER INC"),
4928
+			DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"),
4929
+		},
4930
+	},
4931
+	{
49514932 		.ident = "ASUS P6T",
49524933 		.matches = {
49534934 			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
....@@ -5004,16 +4985,16 @@
50044985 	pci_set_master(pdev);
50054986 
50064987 	if (sizeof(dma_addr_t) > sizeof(u32) &&
5007
-	    !(err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))) {
4988
+	    !(err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)))) {
50084989 		using_dac = 1;
5009
-		err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
4990
+		err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
50104991 		if (err < 0) {
50114992 			dev_err(&pdev->dev, "unable to obtain 64 bit DMA "
50124993 				"for consistent allocations\n");
50134994 			goto err_out_free_regions;
50144995 		}
50154996 	} else {
5016
-		err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
4997
+		err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
50174998 		if (err) {
50184999 			dev_err(&pdev->dev, "no usable DMA configuration\n");
50195000 			goto err_out_free_regions;
....@@ -5045,7 +5026,7 @@
50455026 	hw->pdev = pdev;
50465027 	sprintf(hw->irq_name, DRV_NAME "@pci:%s", pci_name(pdev));
50475028 
5048
-	hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000);
5029
+	hw->regs = ioremap(pci_resource_start(pdev, 0), 0x4000);
50495030 	if (!hw->regs) {
50505031 		dev_err(&pdev->dev, "cannot map device registers\n");
50515032 		goto err_out_free_hw;
....@@ -5057,8 +5038,9 @@
50575038 
50585039 	/* ring for status responses */
50595040 	hw->st_size = hw->ports * roundup_pow_of_two(3*RX_MAX_PENDING + TX_MAX_PENDING);
5060
-	hw->st_le = pci_alloc_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le),
5061
-					 &hw->st_dma);
5041
+	hw->st_le = dma_alloc_coherent(&pdev->dev,
5042
+				       hw->st_size * sizeof(struct sky2_status_le),
5043
+				       &hw->st_dma, GFP_KERNEL);
50625044 	if (!hw->st_le) {
50635045 		err = -ENOMEM;
50645046 		goto err_out_reset;
....@@ -5123,7 +5105,7 @@
51235105 	INIT_WORK(&hw->restart_work, sky2_restart);
51245106 
51255107 	pci_set_drvdata(pdev, hw);
5126
-	pdev->d3_delay = 300;
5108
+	pdev->d3hot_delay = 300;
51275109 
51285110 	return 0;
51295111 
....@@ -5138,8 +5120,9 @@
51385120 		pci_disable_msi(pdev);
51395121 	free_netdev(dev);
51405122 err_out_free_pci:
5141
-	pci_free_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le),
5142
-			    hw->st_le, hw->st_dma);
5123
+	dma_free_coherent(&pdev->dev,
5124
+			  hw->st_size * sizeof(struct sky2_status_le),
5125
+			  hw->st_le, hw->st_dma);
51435126 err_out_reset:
51445127 	sky2_write8(hw, B0_CTST, CS_RST_SET);
51455128 err_out_iounmap:
....@@ -5183,8 +5166,9 @@
51835166 
51845167 	if (hw->flags & SKY2_HW_USE_MSI)
51855168 		pci_disable_msi(pdev);
5186
-	pci_free_consistent(pdev, hw->st_size * sizeof(struct sky2_status_le),
5187
-			    hw->st_le, hw->st_dma);
5169
+	dma_free_coherent(&pdev->dev,
5170
+			  hw->st_size * sizeof(struct sky2_status_le),
5171
+			  hw->st_le, hw->st_dma);
51885172 	pci_release_regions(pdev);
51895173 	pci_disable_device(pdev);
51905174 
....@@ -5197,8 +5181,7 @@
51975181 
51985182 static int sky2_suspend(struct device *dev)
51995183 {
5200
-	struct pci_dev *pdev = to_pci_dev(dev);
5201
-	struct sky2_hw *hw = pci_get_drvdata(pdev);
5184
+	struct sky2_hw *hw = dev_get_drvdata(dev);
52025185 	int i;
52035186 
52045187 	if (!hw)