forked from ~ljy/RK356X_SDK_RELEASE
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hc
2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/drivers/net/ethernet/smsc/smc91x.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * smc91x.c
34  * This is a driver for SMSC's 91C9x/91C1xx single-chip Ethernet devices.
....@@ -7,19 +8,6 @@
78  *	Developed by Simple Network Magic Corporation
89  * Copyright (C) 2003 Monta Vista Software, Inc.
910  *	Unified SMC91x driver by Nicolas Pitre
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, or
14
- * (at your option) any later version.
15
- *
16
- * This program is distributed in the hope that it will be useful,
17
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
18
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
20
- *
21
- * You should have received a copy of the GNU General Public License
22
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
2311  *
2412  * Arguments:
2513  * 	io	= for the base address
....@@ -390,8 +378,7 @@
390378 	pending_skb = lp->pending_tx_skb;
391379 	lp->pending_tx_skb = NULL;
392380 	spin_unlock_irq(&lp->lock);
393
-	if (pending_skb)
394
-		dev_kfree_skb(pending_skb);
381
+	dev_kfree_skb(pending_skb);
395382 
396383 	/* and tell the card to stay away from that nasty outside world */
397384 	SMC_SELECT_BANK(lp, 0);
....@@ -548,10 +535,10 @@
548535 /*
549536  * This is called to actually send a packet to the chip.
550537  */
551
-static void smc_hardware_send_pkt(unsigned long data)
538
+static void smc_hardware_send_pkt(struct tasklet_struct *t)
552539 {
553
-	struct net_device *dev = (struct net_device *)data;
554
-	struct smc_local *lp = netdev_priv(dev);
540
+	struct smc_local *lp = from_tasklet(lp, t, tx_task);
541
+	struct net_device *dev = lp->dev;
555542 	void __iomem *ioaddr = lp->base;
556543 	struct sk_buff *skb;
557544 	unsigned int packet_no, len;
....@@ -701,7 +688,7 @@
701688 		 * Allocation succeeded: push packet to the chip's own memory
702689 		 * immediately.
703690 		 */
704
-		smc_hardware_send_pkt((unsigned long)dev);
691
+		smc_hardware_send_pkt(&lp->tx_task);
705692 	}
706693 
707694 	return NETDEV_TX_OK;
....@@ -1049,7 +1036,6 @@
10491036 	int phyaddr = lp->mii.phy_id;
10501037 	int my_phy_caps; /* My PHY capabilities */
10511038 	int my_ad_caps; /* My Advertised capabilities */
1052
-	int status;
10531039 
10541040 	DBG(3, dev, "smc_program_phy()\n");
10551041 
....@@ -1123,7 +1109,7 @@
11231109 	 * auto-negotiation is restarted, sometimes it isn't ready and
11241110 	 * the link does not come up.
11251111 	 */
1126
-	status = smc_phy_read(dev, phyaddr, MII_ADVERTISE);
1112
+	smc_phy_read(dev, phyaddr, MII_ADVERTISE);
11271113 
11281114 	DBG(2, dev, "phy caps=%x\n", my_phy_caps);
11291115 	DBG(2, dev, "phy advertised caps=%x\n", my_ad_caps);
....@@ -1334,7 +1320,7 @@
13341320 #endif
13351321 
13361322 /* Our watchdog timed out. Called by the networking layer */
1337
-static void smc_timeout(struct net_device *dev)
1323
+static void smc_timeout(struct net_device *dev, unsigned int txqueue)
13381324 {
13391325 	struct smc_local *lp = netdev_priv(dev);
13401326 	void __iomem *ioaddr = lp->base;
....@@ -1978,7 +1964,7 @@
19781964 	dev->netdev_ops = &smc_netdev_ops;
19791965 	dev->ethtool_ops = &smc_ethtool_ops;
19801966 
1981
-	tasklet_init(&lp->tx_task, smc_hardware_send_pkt, (unsigned long)dev);
1967
+	tasklet_setup(&lp->tx_task, smc_hardware_send_pkt);
19821968 	INIT_WORK(&lp->phy_configure, smc_phy_configure);
19831969 	lp->dev = dev;
19841970 	lp->mii.phy_id_mask = 0x1f;
....@@ -2447,8 +2433,7 @@
24472433 
24482434 static int smc_drv_suspend(struct device *dev)
24492435 {
2450
-	struct platform_device *pdev = to_platform_device(dev);
2451
-	struct net_device *ndev = platform_get_drvdata(pdev);
2436
+	struct net_device *ndev = dev_get_drvdata(dev);
24522437 
24532438 	if (ndev) {
24542439 		if (netif_running(ndev)) {