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2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/net/ethernet/amd/au1000_eth.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  *
34  * Alchemy Au1x00 ethernet driver
....@@ -14,24 +15,6 @@
1415  *
1516  * Author: MontaVista Software, Inc.
1617  *		ppopov@mvista.com or source@mvista.com
17
- *
18
- * ########################################################################
19
- *
20
- *  This program is free software; you can distribute it and/or modify it
21
- *  under the terms of the GNU General Public License (Version 2) as
22
- *  published by the Free Software Foundation.
23
- *
24
- *  This program is distributed in the hope it will be useful, but WITHOUT
25
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
26
- *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
27
- *  for more details.
28
- *
29
- *  You should have received a copy of the GNU General Public License along
30
- *  with this program; if not, see <http://www.gnu.org/licenses/>.
31
- *
32
- * ########################################################################
33
- *
34
- *
3518  */
3619 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
3720 
....@@ -80,14 +63,12 @@
8063 				NETIF_MSG_LINK)
8164 
8265 #define DRV_NAME	"au1000_eth"
83
-#define DRV_VERSION	"1.7"
8466 #define DRV_AUTHOR	"Pete Popov <ppopov@embeddedalley.com>"
8567 #define DRV_DESC	"Au1xxx on-chip Ethernet driver"
8668 
8769 MODULE_AUTHOR(DRV_AUTHOR);
8870 MODULE_DESCRIPTION(DRV_DESC);
8971 MODULE_LICENSE("GPL");
90
-MODULE_VERSION(DRV_VERSION);
9172 
9273 /* AU1000 MAC registers and bits */
9374 #define MAC_CONTROL		0x0
....@@ -260,7 +241,6 @@
260241  * ps: make sure the used irqs are configured properly in the board
261242  * specific irq-map
262243  */
263
-
264244 static void au1000_enable_mac(struct net_device *dev, int force_reset)
265245 {
266246 	unsigned long flags;
....@@ -564,17 +544,7 @@
564544 		return PTR_ERR(phydev);
565545 	}
566546 
567
-	/* mask with MAC supported features */
568
-	phydev->supported &= (SUPPORTED_10baseT_Half
569
-			      | SUPPORTED_10baseT_Full
570
-			      | SUPPORTED_100baseT_Half
571
-			      | SUPPORTED_100baseT_Full
572
-			      | SUPPORTED_Autoneg
573
-			      /* | SUPPORTED_Pause | SUPPORTED_Asym_Pause */
574
-			      | SUPPORTED_MII
575
-			      | SUPPORTED_TP);
576
-
577
-	phydev->advertising = phydev->supported;
547
+	phy_set_max_speed(phydev, SPEED_100);
578548 
579549 	aup->old_link = 0;
580550 	aup->old_speed = 0;
....@@ -584,7 +554,6 @@
584554 
585555 	return 0;
586556 }
587
-
588557 
589558 /*
590559  * Buffer allocation/deallocation routines. The buffer descriptor returned
....@@ -676,14 +645,12 @@
676645 /*
677646  * ethtool operations
678647  */
679
-
680648 static void
681649 au1000_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
682650 {
683651 	struct au1000_private *aup = netdev_priv(dev);
684652 
685653 	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
686
-	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
687654 	snprintf(info->bus_info, sizeof(info->bus_info), "%s %d", DRV_NAME,
688655 		 aup->mac_id);
689656 }
....@@ -708,7 +675,6 @@
708675 	.get_link_ksettings = phy_ethtool_get_link_ksettings,
709676 	.set_link_ksettings = phy_ethtool_set_link_ksettings,
710677 };
711
-
712678 
713679 /*
714680  * Initialize the interface.
....@@ -950,11 +916,8 @@
950916 		return retval;
951917 	}
952918 
953
-	if (dev->phydev) {
954
-		/* cause the PHY state machine to schedule a link state check */
955
-		dev->phydev->state = PHY_CHANGELINK;
919
+	if (dev->phydev)
956920 		phy_start(dev->phydev);
957
-	}
958921 
959922 	netif_start_queue(dev);
960923 
....@@ -1044,7 +1007,7 @@
10441007  * The Tx ring has been full longer than the watchdog timeout
10451008  * value. The transmitter must be hung?
10461009  */
1047
-static void au1000_tx_timeout(struct net_device *dev)
1010
+static void au1000_tx_timeout(struct net_device *dev, unsigned int txqueue)
10481011 {
10491012 	netdev_err(dev, "au1000_tx_timeout: dev=%p\n", dev);
10501013 	au1000_reset_mac(dev);
....@@ -1083,23 +1046,12 @@
10831046 	writel(reg, &aup->mac->control);
10841047 }
10851048 
1086
-static int au1000_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
1087
-{
1088
-	if (!netif_running(dev))
1089
-		return -EINVAL;
1090
-
1091
-	if (!dev->phydev)
1092
-		return -EINVAL; /* PHY not controllable */
1093
-
1094
-	return phy_mii_ioctl(dev->phydev, rq, cmd);
1095
-}
1096
-
10971049 static const struct net_device_ops au1000_netdev_ops = {
10981050 	.ndo_open		= au1000_open,
10991051 	.ndo_stop		= au1000_close,
11001052 	.ndo_start_xmit		= au1000_tx,
11011053 	.ndo_set_rx_mode	= au1000_multicast_list,
1102
-	.ndo_do_ioctl		= au1000_ioctl,
1054
+	.ndo_do_ioctl		= phy_do_ioctl_running,
11031055 	.ndo_tx_timeout		= au1000_tx_timeout,
11041056 	.ndo_set_mac_address	= eth_mac_addr,
11051057 	.ndo_validate_addr	= eth_validate_addr,
....@@ -1130,7 +1082,6 @@
11301082 
11311083 	irq = platform_get_irq(pdev, 0);
11321084 	if (irq < 0) {
1133
-		dev_err(&pdev->dev, "failed to retrieve IRQ\n");
11341085 		err = -ENODEV;
11351086 		goto out;
11361087 	}
....@@ -1180,10 +1131,9 @@
11801131 	/* Allocate the data buffers
11811132 	 * Snooping works fine with eth on all au1xxx
11821133 	 */
1183
-	aup->vaddr = (u32)dma_alloc_attrs(NULL, MAX_BUF_SIZE *
1134
+	aup->vaddr = (u32)dma_alloc_coherent(&pdev->dev, MAX_BUF_SIZE *
11841135 					  (NUM_TX_BUFFS + NUM_RX_BUFFS),
1185
-					  &aup->dma_addr, 0,
1186
-					  DMA_ATTR_NON_CONSISTENT);
1136
+					  &aup->dma_addr, 0);
11871137 	if (!aup->vaddr) {
11881138 		dev_err(&pdev->dev, "failed to allocate data buffers\n");
11891139 		err = -ENOMEM;
....@@ -1192,7 +1142,7 @@
11921142 
11931143 	/* aup->mac is the base address of the MAC's registers */
11941144 	aup->mac = (struct mac_reg *)
1195
-			ioremap_nocache(base->start, resource_size(base));
1145
+			ioremap(base->start, resource_size(base));
11961146 	if (!aup->mac) {
11971147 		dev_err(&pdev->dev, "failed to ioremap MAC registers\n");
11981148 		err = -ENXIO;
....@@ -1200,7 +1150,7 @@
12001150 	}
12011151 
12021152 	/* Setup some variables for quick register address access */
1203
-	aup->enable = (u32 *)ioremap_nocache(macen->start,
1153
+	aup->enable = (u32 *)ioremap(macen->start,
12041154 						resource_size(macen));
12051155 	if (!aup->enable) {
12061156 		dev_err(&pdev->dev, "failed to ioremap MAC enable register\n");
....@@ -1209,7 +1159,7 @@
12091159 	}
12101160 	aup->mac_id = pdev->id;
12111161 
1212
-	aup->macdma = ioremap_nocache(macdma->start, resource_size(macdma));
1162
+	aup->macdma = ioremap(macdma->start, resource_size(macdma));
12131163 	if (!aup->macdma) {
12141164 		dev_err(&pdev->dev, "failed to ioremap MACDMA registers\n");
12151165 		err = -ENXIO;
....@@ -1300,7 +1250,6 @@
13001250 		aup->rx_db_inuse[i] = pDB;
13011251 	}
13021252 
1303
-	err = -ENODEV;
13041253 	for (i = 0; i < NUM_TX_DMA; i++) {
13051254 		pDB = au1000_GetFreeDB(aup);
13061255 		if (!pDB)
....@@ -1332,8 +1281,6 @@
13321281 	netdev_info(dev, "Au1xx0 Ethernet found at 0x%lx, irq %d\n",
13331282 			(unsigned long)base->start, irq);
13341283 
1335
-	pr_info_once("%s version %s %s\n", DRV_NAME, DRV_VERSION, DRV_AUTHOR);
1336
-
13371284 	return 0;
13381285 
13391286 err_out:
....@@ -1362,9 +1309,8 @@
13621309 err_remap2:
13631310 	iounmap(aup->mac);
13641311 err_remap1:
1365
-	dma_free_attrs(NULL, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS),
1366
-			(void *)aup->vaddr, aup->dma_addr,
1367
-			DMA_ATTR_NON_CONSISTENT);
1312
+	dma_free_coherent(&pdev->dev, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS),
1313
+			(void *)aup->vaddr, aup->dma_addr);
13681314 err_vaddr:
13691315 	free_netdev(dev);
13701316 err_alloc:
....@@ -1396,9 +1342,8 @@
13961342 		if (aup->tx_db_inuse[i])
13971343 			au1000_ReleaseDB(aup, aup->tx_db_inuse[i]);
13981344 
1399
-	dma_free_attrs(NULL, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS),
1400
-			(void *)aup->vaddr, aup->dma_addr,
1401
-			DMA_ATTR_NON_CONSISTENT);
1345
+	dma_free_coherent(&pdev->dev, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS),
1346
+			(void *)aup->vaddr, aup->dma_addr);
14021347 
14031348 	iounmap(aup->macdma);
14041349 	iounmap(aup->mac);