forked from ~ljy/RK356X_SDK_RELEASE
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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/drivers/net/ethernet/dec/tulip/de2104x.c
....@@ -30,7 +30,6 @@
3030 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
3131 
3232 #define DRV_NAME		"de2104x"
33
-#define DRV_VERSION		"0.7"
3433 #define DRV_RELDATE		"Mar 17, 2004"
3534 
3635 #include <linux/module.h>
....@@ -52,14 +51,9 @@
5251 #include <linux/uaccess.h>
5352 #include <asm/unaligned.h>
5453 
55
-/* These identify the driver base version and may not be removed. */
56
-static char version[] =
57
-"PCI Ethernet driver v" DRV_VERSION " (" DRV_RELDATE ")";
58
-
5954 MODULE_AUTHOR("Jeff Garzik <jgarzik@pobox.com>");
6055 MODULE_DESCRIPTION("Intel/Digital 21040/1 series PCI Ethernet driver");
6156 MODULE_LICENSE("GPL");
62
-MODULE_VERSION(DRV_VERSION);
6357 
6458 static int debug = -1;
6559 module_param (debug, int, 0);
....@@ -417,7 +411,10 @@
417411 		if (status & DescOwn)
418412 			break;
419413 
420
-		len = ((status >> 16) & 0x7ff) - 4;
414
+		/* the length is actually a 15 bit value here according
415
+		 * to Table 4-1 in the DE2104x spec so mask is 0x7fff
416
+		 */
417
+		len = ((status >> 16) & 0x7fff) - 4;
421418 		mapping = de->rx_skb[rx_tail].mapping;
422419 
423420 		if (unlikely(drop)) {
....@@ -446,21 +443,23 @@
446443 		}
447444 
448445 		if (!copying_skb) {
449
-			pci_unmap_single(de->pdev, mapping,
450
-					 buflen, PCI_DMA_FROMDEVICE);
446
+			dma_unmap_single(&de->pdev->dev, mapping, buflen,
447
+					 DMA_FROM_DEVICE);
451448 			skb_put(skb, len);
452449 
453450 			mapping =
454451 			de->rx_skb[rx_tail].mapping =
455
-				pci_map_single(de->pdev, copy_skb->data,
456
-					       buflen, PCI_DMA_FROMDEVICE);
452
+				dma_map_single(&de->pdev->dev, copy_skb->data,
453
+					       buflen, DMA_FROM_DEVICE);
457454 			de->rx_skb[rx_tail].skb = copy_skb;
458455 		} else {
459
-			pci_dma_sync_single_for_cpu(de->pdev, mapping, len, PCI_DMA_FROMDEVICE);
456
+			dma_sync_single_for_cpu(&de->pdev->dev, mapping, len,
457
+						DMA_FROM_DEVICE);
460458 			skb_reserve(copy_skb, RX_OFFSET);
461459 			skb_copy_from_linear_data(skb, skb_put(copy_skb, len),
462460 						  len);
463
-			pci_dma_sync_single_for_device(de->pdev, mapping, len, PCI_DMA_FROMDEVICE);
461
+			dma_sync_single_for_device(&de->pdev->dev, mapping,
462
+						   len, DMA_FROM_DEVICE);
464463 
465464 			/* We'll reuse the original ring buffer. */
466465 			skb = copy_skb;
....@@ -557,13 +556,15 @@
557556 			goto next;
558557 
559558 		if (unlikely(skb == DE_SETUP_SKB)) {
560
-			pci_unmap_single(de->pdev, de->tx_skb[tx_tail].mapping,
561
-					 sizeof(de->setup_frame), PCI_DMA_TODEVICE);
559
+			dma_unmap_single(&de->pdev->dev,
560
+					 de->tx_skb[tx_tail].mapping,
561
+					 sizeof(de->setup_frame),
562
+					 DMA_TO_DEVICE);
562563 			goto next;
563564 		}
564565 
565
-		pci_unmap_single(de->pdev, de->tx_skb[tx_tail].mapping,
566
-				 skb->len, PCI_DMA_TODEVICE);
566
+		dma_unmap_single(&de->pdev->dev, de->tx_skb[tx_tail].mapping,
567
+				 skb->len, DMA_TO_DEVICE);
567568 
568569 		if (status & LastFrag) {
569570 			if (status & TxError) {
....@@ -585,7 +586,7 @@
585586 				netif_dbg(de, tx_done, de->dev,
586587 					  "tx done, slot %d\n", tx_tail);
587588 			}
588
-			dev_kfree_skb_irq(skb);
589
+			dev_consume_skb_irq(skb);
589590 		}
590591 
591592 next:
....@@ -623,7 +624,8 @@
623624 	txd = &de->tx_ring[entry];
624625 
625626 	len = skb->len;
626
-	mapping = pci_map_single(de->pdev, skb->data, len, PCI_DMA_TODEVICE);
627
+	mapping = dma_map_single(&de->pdev->dev, skb->data, len,
628
+				 DMA_TO_DEVICE);
627629 	if (entry == (DE_TX_RING_SIZE - 1))
628630 		flags |= RingEnd;
629631 	if (!tx_free || (tx_free == (DE_TX_RING_SIZE / 2)))
....@@ -766,8 +768,8 @@
766768 
767769 	de->tx_skb[entry].skb = DE_SETUP_SKB;
768770 	de->tx_skb[entry].mapping = mapping =
769
-	    pci_map_single (de->pdev, de->setup_frame,
770
-			    sizeof (de->setup_frame), PCI_DMA_TODEVICE);
771
+	    dma_map_single(&de->pdev->dev, de->setup_frame,
772
+			   sizeof(de->setup_frame), DMA_TO_DEVICE);
771773 
772774 	/* Put the setup frame on the Tx list. */
773775 	txd = &de->tx_ring[entry];
....@@ -1282,8 +1284,10 @@
12821284 		if (!skb)
12831285 			goto err_out;
12841286 
1285
-		de->rx_skb[i].mapping = pci_map_single(de->pdev,
1286
-			skb->data, de->rx_buf_sz, PCI_DMA_FROMDEVICE);
1287
+		de->rx_skb[i].mapping = dma_map_single(&de->pdev->dev,
1288
+						       skb->data,
1289
+						       de->rx_buf_sz,
1290
+						       DMA_FROM_DEVICE);
12871291 		de->rx_skb[i].skb = skb;
12881292 
12891293 		de->rx_ring[i].opts1 = cpu_to_le32(DescOwn);
....@@ -1316,7 +1320,8 @@
13161320 
13171321 static int de_alloc_rings (struct de_private *de)
13181322 {
1319
-	de->rx_ring = pci_alloc_consistent(de->pdev, DE_RING_BYTES, &de->ring_dma);
1323
+	de->rx_ring = dma_alloc_coherent(&de->pdev->dev, DE_RING_BYTES,
1324
+					 &de->ring_dma, GFP_KERNEL);
13201325 	if (!de->rx_ring)
13211326 		return -ENOMEM;
13221327 	de->tx_ring = &de->rx_ring[DE_RX_RING_SIZE];
....@@ -1336,8 +1341,9 @@
13361341 
13371342 	for (i = 0; i < DE_RX_RING_SIZE; i++) {
13381343 		if (de->rx_skb[i].skb) {
1339
-			pci_unmap_single(de->pdev, de->rx_skb[i].mapping,
1340
-					 de->rx_buf_sz, PCI_DMA_FROMDEVICE);
1344
+			dma_unmap_single(&de->pdev->dev,
1345
+					 de->rx_skb[i].mapping, de->rx_buf_sz,
1346
+					 DMA_FROM_DEVICE);
13411347 			dev_kfree_skb(de->rx_skb[i].skb);
13421348 		}
13431349 	}
....@@ -1347,15 +1353,15 @@
13471353 		if ((skb) && (skb != DE_DUMMY_SKB)) {
13481354 			if (skb != DE_SETUP_SKB) {
13491355 				de->dev->stats.tx_dropped++;
1350
-				pci_unmap_single(de->pdev,
1351
-					de->tx_skb[i].mapping,
1352
-					skb->len, PCI_DMA_TODEVICE);
1356
+				dma_unmap_single(&de->pdev->dev,
1357
+						 de->tx_skb[i].mapping,
1358
+						 skb->len, DMA_TO_DEVICE);
13531359 				dev_kfree_skb(skb);
13541360 			} else {
1355
-				pci_unmap_single(de->pdev,
1356
-					de->tx_skb[i].mapping,
1357
-					sizeof(de->setup_frame),
1358
-					PCI_DMA_TODEVICE);
1361
+				dma_unmap_single(&de->pdev->dev,
1362
+						 de->tx_skb[i].mapping,
1363
+						 sizeof(de->setup_frame),
1364
+						 DMA_TO_DEVICE);
13591365 			}
13601366 		}
13611367 	}
....@@ -1367,7 +1373,8 @@
13671373 static void de_free_rings (struct de_private *de)
13681374 {
13691375 	de_clean_rings(de);
1370
-	pci_free_consistent(de->pdev, DE_RING_BYTES, de->rx_ring, de->ring_dma);
1376
+	dma_free_coherent(&de->pdev->dev, DE_RING_BYTES, de->rx_ring,
1377
+			  de->ring_dma);
13711378 	de->rx_ring = NULL;
13721379 	de->tx_ring = NULL;
13731380 }
....@@ -1436,7 +1443,7 @@
14361443 	return 0;
14371444 }
14381445 
1439
-static void de_tx_timeout (struct net_device *dev)
1446
+static void de_tx_timeout (struct net_device *dev, unsigned int txqueue)
14401447 {
14411448 	struct de_private *de = netdev_priv(dev);
14421449 	const int irq = de->pdev->irq;
....@@ -1600,7 +1607,6 @@
16001607 	struct de_private *de = netdev_priv(dev);
16011608 
16021609 	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
1603
-	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
16041610 	strlcpy(info->bus_info, pci_name(de->pdev), sizeof(info->bus_info));
16051611 }
16061612 
....@@ -1977,11 +1983,6 @@
19771983 
19781984 	board_idx++;
19791985 
1980
-#ifndef MODULE
1981
-	if (board_idx == 0)
1982
-		pr_info("%s\n", version);
1983
-#endif
1984
-
19851986 	/* allocate a new ethernet device structure, and fill in defaults */
19861987 	dev = alloc_etherdev(sizeof(struct de_private));
19871988 	if (!dev)
....@@ -2039,7 +2040,7 @@
20392040 	}
20402041 
20412042 	/* remap CSR registers */
2042
-	regs = ioremap_nocache(pciaddr, DE_REGS_SIZE);
2043
+	regs = ioremap(pciaddr, DE_REGS_SIZE);
20432044 	if (!regs) {
20442045 		rc = -EIO;
20452046 		pr_err("Cannot map PCI MMIO (%llx@%lx) on pci dev %s\n",
....@@ -2114,11 +2115,10 @@
21142115 	free_netdev(dev);
21152116 }
21162117 
2117
-#ifdef CONFIG_PM
2118
-
2119
-static int de_suspend (struct pci_dev *pdev, pm_message_t state)
2118
+static int __maybe_unused de_suspend(struct device *dev_d)
21202119 {
2121
-	struct net_device *dev = pci_get_drvdata (pdev);
2120
+	struct pci_dev *pdev = to_pci_dev(dev_d);
2121
+	struct net_device *dev = pci_get_drvdata(pdev);
21222122 	struct de_private *de = netdev_priv(dev);
21232123 
21242124 	rtnl_lock();
....@@ -2145,7 +2145,6 @@
21452145 		de_clean_rings(de);
21462146 
21472147 		de_adapter_sleep(de);
2148
-		pci_disable_device(pdev);
21492148 	} else {
21502149 		netif_device_detach(dev);
21512150 	}
....@@ -2153,21 +2152,17 @@
21532152 	return 0;
21542153 }
21552154 
2156
-static int de_resume (struct pci_dev *pdev)
2155
+static int __maybe_unused de_resume(struct device *dev_d)
21572156 {
2158
-	struct net_device *dev = pci_get_drvdata (pdev);
2157
+	struct pci_dev *pdev = to_pci_dev(dev_d);
2158
+	struct net_device *dev = pci_get_drvdata(pdev);
21592159 	struct de_private *de = netdev_priv(dev);
2160
-	int retval = 0;
21612160 
21622161 	rtnl_lock();
21632162 	if (netif_device_present(dev))
21642163 		goto out;
21652164 	if (!netif_running(dev))
21662165 		goto out_attach;
2167
-	if ((retval = pci_enable_device(pdev))) {
2168
-		netdev_err(dev, "pci_enable_device failed in resume\n");
2169
-		goto out;
2170
-	}
21712166 	pci_set_master(pdev);
21722167 	de_init_rings(de);
21732168 	de_init_hw(de);
....@@ -2178,24 +2173,18 @@
21782173 	return 0;
21792174 }
21802175 
2181
-#endif /* CONFIG_PM */
2176
+static SIMPLE_DEV_PM_OPS(de_pm_ops, de_suspend, de_resume);
21822177 
21832178 static struct pci_driver de_driver = {
21842179 	.name		= DRV_NAME,
21852180 	.id_table	= de_pci_tbl,
21862181 	.probe		= de_init_one,
21872182 	.remove		= de_remove_one,
2188
-#ifdef CONFIG_PM
2189
-	.suspend	= de_suspend,
2190
-	.resume		= de_resume,
2191
-#endif
2183
+	.driver.pm	= &de_pm_ops,
21922184 };
21932185 
21942186 static int __init de_init (void)
21952187 {
2196
-#ifdef MODULE
2197
-	pr_info("%s\n", version);
2198
-#endif
21992188 	return pci_register_driver(&de_driver);
22002189 }
22012190