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2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/net/ethernet/dec/tulip/dmfe.c
....@@ -1,17 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23     A Davicom DM9102/DM9102A/DM9102A+DM9801/DM9102A+DM9802 NIC fast
34     ethernet driver for Linux.
45     Copyright (C) 1997  Sten Wang
56 
6
-    This program is free software; you can redistribute it and/or
7
-    modify it under the terms of the GNU General Public License
8
-    as published by the Free Software Foundation; either version 2
9
-    of the License, or (at your option) any later version.
10
-
11
-    This program is distributed in the hope that it will be useful,
12
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
13
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
-    GNU General Public License for more details.
157 
168     DAVICOM Web-Site: www.davicom.com.tw
179 
....@@ -64,8 +56,6 @@
6456 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
6557 
6658 #define DRV_NAME	"dmfe"
67
-#define DRV_VERSION	"1.36.4"
68
-#define DRV_RELDATE	"2002-01-17"
6959 
7060 #include <linux/module.h>
7161 #include <linux/kernel.h>
....@@ -288,10 +278,6 @@
288278 };
289279 
290280 /* Global variable declaration ----------------------------- */
291
-static int printed_version;
292
-static const char version[] =
293
-	"Davicom DM9xxx net driver, version " DRV_VERSION " (" DRV_RELDATE ")";
294
-
295281 static int dmfe_debug;
296282 static unsigned char dmfe_media_mode = DMFE_AUTO;
297283 static u32 dmfe_cr6_user_set;
....@@ -372,9 +358,6 @@
372358 
373359 	DMFE_DBUG(0, "dmfe_init_one()", 0);
374360 
375
-	if (!printed_version++)
376
-		pr_info("%s\n", version);
377
-
378361 	/*
379362 	 *	SPARC on-board DM910x chips should be handled by the main
380363 	 *	tulip driver, except for early DM9100s.
....@@ -397,7 +380,7 @@
397380 		return -ENOMEM;
398381 	SET_NETDEV_DEV(dev, &pdev->dev);
399382 
400
-	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
383
+	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
401384 		pr_warn("32-bit PCI DMA not available\n");
402385 		err = -ENODEV;
403386 		goto err_out_free;
....@@ -439,15 +422,17 @@
439422 	db = netdev_priv(dev);
440423 
441424 	/* Allocate Tx/Rx descriptor memory */
442
-	db->desc_pool_ptr = pci_alloc_consistent(pdev, sizeof(struct tx_desc) *
443
-			DESC_ALL_CNT + 0x20, &db->desc_pool_dma_ptr);
425
+	db->desc_pool_ptr = dma_alloc_coherent(&pdev->dev,
426
+					       sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20,
427
+					       &db->desc_pool_dma_ptr, GFP_KERNEL);
444428 	if (!db->desc_pool_ptr) {
445429 		err = -ENOMEM;
446430 		goto err_out_res;
447431 	}
448432 
449
-	db->buf_pool_ptr = pci_alloc_consistent(pdev, TX_BUF_ALLOC *
450
-			TX_DESC_CNT + 4, &db->buf_pool_dma_ptr);
433
+	db->buf_pool_ptr = dma_alloc_coherent(&pdev->dev,
434
+					      TX_BUF_ALLOC * TX_DESC_CNT + 4,
435
+					      &db->buf_pool_dma_ptr, GFP_KERNEL);
451436 	if (!db->buf_pool_ptr) {
452437 		err = -ENOMEM;
453438 		goto err_out_free_desc;
....@@ -509,11 +494,12 @@
509494 err_out_unmap:
510495 	pci_iounmap(pdev, db->ioaddr);
511496 err_out_free_buf:
512
-	pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
513
-			    db->buf_pool_ptr, db->buf_pool_dma_ptr);
497
+	dma_free_coherent(&pdev->dev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
498
+			  db->buf_pool_ptr, db->buf_pool_dma_ptr);
514499 err_out_free_desc:
515
-	pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20,
516
-			    db->desc_pool_ptr, db->desc_pool_dma_ptr);
500
+	dma_free_coherent(&pdev->dev,
501
+			  sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20,
502
+			  db->desc_pool_ptr, db->desc_pool_dma_ptr);
517503 err_out_res:
518504 	pci_release_regions(pdev);
519505 err_out_disable:
....@@ -536,11 +522,12 @@
536522 
537523 		unregister_netdev(dev);
538524 		pci_iounmap(db->pdev, db->ioaddr);
539
-		pci_free_consistent(db->pdev, sizeof(struct tx_desc) *
540
-					DESC_ALL_CNT + 0x20, db->desc_pool_ptr,
541
- 					db->desc_pool_dma_ptr);
542
-		pci_free_consistent(db->pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4,
543
-					db->buf_pool_ptr, db->buf_pool_dma_ptr);
525
+		dma_free_coherent(&db->pdev->dev,
526
+				  sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20,
527
+				  db->desc_pool_ptr, db->desc_pool_dma_ptr);
528
+		dma_free_coherent(&db->pdev->dev,
529
+				  TX_BUF_ALLOC * TX_DESC_CNT + 4,
530
+				  db->buf_pool_ptr, db->buf_pool_dma_ptr);
544531 		pci_release_regions(pdev);
545532 		free_netdev(dev);	/* free board information */
546533 	}
....@@ -972,8 +959,8 @@
972959 		db->rx_avail_cnt--;
973960 		db->interval_rx_cnt++;
974961 
975
-		pci_unmap_single(db->pdev, le32_to_cpu(rxptr->rdes2),
976
-				 RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE);
962
+		dma_unmap_single(&db->pdev->dev, le32_to_cpu(rxptr->rdes2),
963
+				 RX_ALLOC_SIZE, DMA_FROM_DEVICE);
977964 
978965 		if ( (rdes0 & 0x300) != 0x300) {
979966 			/* A packet without First/Last flag */
....@@ -1089,7 +1076,6 @@
10891076 	struct dmfe_board_info *np = netdev_priv(dev);
10901077 
10911078 	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
1092
-	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
10931079 	strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
10941080 }
10951081 
....@@ -1347,8 +1333,8 @@
13471333 
13481334 	if (!(rxptr->rdes0 & cpu_to_le32(0x80000000))) {
13491335 		rxptr->rx_skb_ptr = skb;
1350
-		rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev,
1351
-			    skb->data, RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
1336
+		rxptr->rdes2 = cpu_to_le32(dma_map_single(&db->pdev->dev, skb->data,
1337
+							  RX_ALLOC_SIZE, DMA_FROM_DEVICE));
13521338 		wmb();
13531339 		rxptr->rdes0 = cpu_to_le32(0x80000000);
13541340 		db->rx_avail_cnt++;
....@@ -1562,8 +1548,8 @@
15621548 		if ( ( skb = netdev_alloc_skb(dev, RX_ALLOC_SIZE) ) == NULL )
15631549 			break;
15641550 		rxptr->rx_skb_ptr = skb; /* FIXME (?) */
1565
-		rxptr->rdes2 = cpu_to_le32( pci_map_single(db->pdev, skb->data,
1566
-				    RX_ALLOC_SIZE, PCI_DMA_FROMDEVICE) );
1551
+		rxptr->rdes2 = cpu_to_le32(dma_map_single(&db->pdev->dev, skb->data,
1552
+							  RX_ALLOC_SIZE, DMA_FROM_DEVICE));
15671553 		wmb();
15681554 		rxptr->rdes0 = cpu_to_le32(0x80000000);
15691555 		rxptr = rxptr->next_rx_desc;
....@@ -2099,14 +2085,11 @@
20992085 };
21002086 MODULE_DEVICE_TABLE(pci, dmfe_pci_tbl);
21012087 
2102
-
2103
-#ifdef CONFIG_PM
2104
-static int dmfe_suspend(struct pci_dev *pci_dev, pm_message_t state)
2088
+static int __maybe_unused dmfe_suspend(struct device *dev_d)
21052089 {
2106
-	struct net_device *dev = pci_get_drvdata(pci_dev);
2090
+	struct net_device *dev = dev_get_drvdata(dev_d);
21072091 	struct dmfe_board_info *db = netdev_priv(dev);
21082092 	void __iomem *ioaddr = db->ioaddr;
2109
-	u32 tmp;
21102093 
21112094 	/* Disable upper layer interface */
21122095 	netif_device_detach(dev);
....@@ -2123,69 +2106,40 @@
21232106 	dmfe_free_rxbuffer(db);
21242107 
21252108 	/* Enable WOL */
2126
-	pci_read_config_dword(pci_dev, 0x40, &tmp);
2127
-	tmp &= ~(DMFE_WOL_LINKCHANGE|DMFE_WOL_MAGICPACKET);
2128
-
2129
-	if (db->wol_mode & WAKE_PHY)
2130
-		tmp |= DMFE_WOL_LINKCHANGE;
2131
-	if (db->wol_mode & WAKE_MAGIC)
2132
-		tmp |= DMFE_WOL_MAGICPACKET;
2133
-
2134
-	pci_write_config_dword(pci_dev, 0x40, tmp);
2135
-
2136
-	pci_enable_wake(pci_dev, PCI_D3hot, 1);
2137
-	pci_enable_wake(pci_dev, PCI_D3cold, 1);
2138
-
2139
-	/* Power down device*/
2140
-	pci_save_state(pci_dev);
2141
-	pci_set_power_state(pci_dev, pci_choose_state (pci_dev, state));
2109
+	device_wakeup_enable(dev_d);
21422110 
21432111 	return 0;
21442112 }
21452113 
2146
-static int dmfe_resume(struct pci_dev *pci_dev)
2114
+static int __maybe_unused dmfe_resume(struct device *dev_d)
21472115 {
2148
-	struct net_device *dev = pci_get_drvdata(pci_dev);
2149
-	u32 tmp;
2150
-
2151
-	pci_set_power_state(pci_dev, PCI_D0);
2152
-	pci_restore_state(pci_dev);
2116
+	struct net_device *dev = dev_get_drvdata(dev_d);
21532117 
21542118 	/* Re-initialize DM910X board */
21552119 	dmfe_init_dm910x(dev);
21562120 
21572121 	/* Disable WOL */
2158
-	pci_read_config_dword(pci_dev, 0x40, &tmp);
2159
-
2160
-	tmp &= ~(DMFE_WOL_LINKCHANGE | DMFE_WOL_MAGICPACKET);
2161
-	pci_write_config_dword(pci_dev, 0x40, tmp);
2162
-
2163
-	pci_enable_wake(pci_dev, PCI_D3hot, 0);
2164
-	pci_enable_wake(pci_dev, PCI_D3cold, 0);
2122
+	device_wakeup_disable(dev_d);
21652123 
21662124 	/* Restart upper layer interface */
21672125 	netif_device_attach(dev);
21682126 
21692127 	return 0;
21702128 }
2171
-#else
2172
-#define dmfe_suspend NULL
2173
-#define dmfe_resume NULL
2174
-#endif
2129
+
2130
+static SIMPLE_DEV_PM_OPS(dmfe_pm_ops, dmfe_suspend, dmfe_resume);
21752131 
21762132 static struct pci_driver dmfe_driver = {
21772133 	.name		= "dmfe",
21782134 	.id_table	= dmfe_pci_tbl,
21792135 	.probe		= dmfe_init_one,
21802136 	.remove		= dmfe_remove_one,
2181
-	.suspend        = dmfe_suspend,
2182
-	.resume         = dmfe_resume
2137
+	.driver.pm	= &dmfe_pm_ops,
21832138 };
21842139 
21852140 MODULE_AUTHOR("Sten Wang, sten_wang@davicom.com.tw");
21862141 MODULE_DESCRIPTION("Davicom DM910X fast ethernet driver");
21872142 MODULE_LICENSE("GPL");
2188
-MODULE_VERSION(DRV_VERSION);
21892143 
21902144 module_param(debug, int, 0);
21912145 module_param(mode, byte, 0);
....@@ -2211,9 +2165,6 @@
22112165 static int __init dmfe_init_module(void)
22122166 {
22132167 	int rc;
2214
-
2215
-	pr_info("%s\n", version);
2216
-	printed_version = 1;
22172168 
22182169 	DMFE_DBUG(0, "init_module() ", debug);
22192170