forked from ~ljy/RK356X_SDK_RELEASE
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hc
2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/drivers/net/ethernet/natsemi/natsemi.c
....@@ -612,7 +612,7 @@
612612 static void check_link(struct net_device *dev);
613613 static void netdev_timer(struct timer_list *t);
614614 static void dump_ring(struct net_device *dev);
615
-static void ns_tx_timeout(struct net_device *dev);
615
+static void ns_tx_timeout(struct net_device *dev, unsigned int txqueue);
616616 static int alloc_ring(struct net_device *dev);
617617 static void refill_rx(struct net_device *dev);
618618 static void init_ring(struct net_device *dev);
....@@ -1878,7 +1878,7 @@
18781878 	}
18791879 }
18801880 
1881
-static void ns_tx_timeout(struct net_device *dev)
1881
+static void ns_tx_timeout(struct net_device *dev, unsigned int txqueue)
18821882 {
18831883 	struct netdev_private *np = netdev_priv(dev);
18841884 	void __iomem * ioaddr = ns_ioaddr(dev);
....@@ -1913,9 +1913,9 @@
19131913 static int alloc_ring(struct net_device *dev)
19141914 {
19151915 	struct netdev_private *np = netdev_priv(dev);
1916
-	np->rx_ring = pci_alloc_consistent(np->pci_dev,
1917
-		sizeof(struct netdev_desc) * (RX_RING_SIZE+TX_RING_SIZE),
1918
-		&np->ring_dma);
1916
+	np->rx_ring = dma_alloc_coherent(&np->pci_dev->dev,
1917
+					 sizeof(struct netdev_desc) * (RX_RING_SIZE + TX_RING_SIZE),
1918
+					 &np->ring_dma, GFP_KERNEL);
19191919 	if (!np->rx_ring)
19201920 		return -ENOMEM;
19211921 	np->tx_ring = &np->rx_ring[RX_RING_SIZE];
....@@ -1936,10 +1936,10 @@
19361936 			np->rx_skbuff[entry] = skb;
19371937 			if (skb == NULL)
19381938 				break; /* Better luck next round. */
1939
-			np->rx_dma[entry] = pci_map_single(np->pci_dev,
1940
-				skb->data, buflen, PCI_DMA_FROMDEVICE);
1941
-			if (pci_dma_mapping_error(np->pci_dev,
1942
-						  np->rx_dma[entry])) {
1939
+			np->rx_dma[entry] = dma_map_single(&np->pci_dev->dev,
1940
+							   skb->data, buflen,
1941
+							   DMA_FROM_DEVICE);
1942
+			if (dma_mapping_error(&np->pci_dev->dev, np->rx_dma[entry])) {
19431943 				dev_kfree_skb_any(skb);
19441944 				np->rx_skbuff[entry] = NULL;
19451945 				break; /* Better luck next round. */
....@@ -2010,9 +2010,8 @@
20102010 
20112011 	for (i = 0; i < TX_RING_SIZE; i++) {
20122012 		if (np->tx_skbuff[i]) {
2013
-			pci_unmap_single(np->pci_dev,
2014
-				np->tx_dma[i], np->tx_skbuff[i]->len,
2015
-				PCI_DMA_TODEVICE);
2013
+			dma_unmap_single(&np->pci_dev->dev, np->tx_dma[i],
2014
+					 np->tx_skbuff[i]->len, DMA_TO_DEVICE);
20162015 			dev_kfree_skb(np->tx_skbuff[i]);
20172016 			dev->stats.tx_dropped++;
20182017 		}
....@@ -2031,9 +2030,9 @@
20312030 		np->rx_ring[i].cmd_status = 0;
20322031 		np->rx_ring[i].addr = cpu_to_le32(0xBADF00D0); /* An invalid address. */
20332032 		if (np->rx_skbuff[i]) {
2034
-			pci_unmap_single(np->pci_dev, np->rx_dma[i],
2035
-				buflen + NATSEMI_PADDING,
2036
-				PCI_DMA_FROMDEVICE);
2033
+			dma_unmap_single(&np->pci_dev->dev, np->rx_dma[i],
2034
+					 buflen + NATSEMI_PADDING,
2035
+					 DMA_FROM_DEVICE);
20372036 			dev_kfree_skb(np->rx_skbuff[i]);
20382037 		}
20392038 		np->rx_skbuff[i] = NULL;
....@@ -2049,9 +2048,9 @@
20492048 static void free_ring(struct net_device *dev)
20502049 {
20512050 	struct netdev_private *np = netdev_priv(dev);
2052
-	pci_free_consistent(np->pci_dev,
2053
-		sizeof(struct netdev_desc) * (RX_RING_SIZE+TX_RING_SIZE),
2054
-		np->rx_ring, np->ring_dma);
2051
+	dma_free_coherent(&np->pci_dev->dev,
2052
+			  sizeof(struct netdev_desc) * (RX_RING_SIZE + TX_RING_SIZE),
2053
+			  np->rx_ring, np->ring_dma);
20552054 }
20562055 
20572056 static void reinit_rx(struct net_device *dev)
....@@ -2098,9 +2097,9 @@
20982097 	entry = np->cur_tx % TX_RING_SIZE;
20992098 
21002099 	np->tx_skbuff[entry] = skb;
2101
-	np->tx_dma[entry] = pci_map_single(np->pci_dev,
2102
-				skb->data,skb->len, PCI_DMA_TODEVICE);
2103
-	if (pci_dma_mapping_error(np->pci_dev, np->tx_dma[entry])) {
2100
+	np->tx_dma[entry] = dma_map_single(&np->pci_dev->dev, skb->data,
2101
+					   skb->len, DMA_TO_DEVICE);
2102
+	if (dma_mapping_error(&np->pci_dev->dev, np->tx_dma[entry])) {
21042103 		np->tx_skbuff[entry] = NULL;
21052104 		dev_kfree_skb_irq(skb);
21062105 		dev->stats.tx_dropped++;
....@@ -2166,11 +2165,10 @@
21662165 				dev->stats.tx_window_errors++;
21672166 			dev->stats.tx_errors++;
21682167 		}
2169
-		pci_unmap_single(np->pci_dev,np->tx_dma[entry],
2170
-					np->tx_skbuff[entry]->len,
2171
-					PCI_DMA_TODEVICE);
2168
+		dma_unmap_single(&np->pci_dev->dev, np->tx_dma[entry],
2169
+				 np->tx_skbuff[entry]->len, DMA_TO_DEVICE);
21722170 		/* Free the original skb. */
2173
-		dev_kfree_skb_irq(np->tx_skbuff[entry]);
2171
+		dev_consume_skb_irq(np->tx_skbuff[entry]);
21742172 		np->tx_skbuff[entry] = NULL;
21752173 	}
21762174 	if (netif_queue_stopped(dev) &&
....@@ -2356,21 +2354,22 @@
23562354 			    (skb = netdev_alloc_skb(dev, pkt_len + RX_OFFSET)) != NULL) {
23572355 				/* 16 byte align the IP header */
23582356 				skb_reserve(skb, RX_OFFSET);
2359
-				pci_dma_sync_single_for_cpu(np->pci_dev,
2360
-					np->rx_dma[entry],
2361
-					buflen,
2362
-					PCI_DMA_FROMDEVICE);
2357
+				dma_sync_single_for_cpu(&np->pci_dev->dev,
2358
+							np->rx_dma[entry],
2359
+							buflen,
2360
+							DMA_FROM_DEVICE);
23632361 				skb_copy_to_linear_data(skb,
23642362 					np->rx_skbuff[entry]->data, pkt_len);
23652363 				skb_put(skb, pkt_len);
2366
-				pci_dma_sync_single_for_device(np->pci_dev,
2367
-					np->rx_dma[entry],
2368
-					buflen,
2369
-					PCI_DMA_FROMDEVICE);
2364
+				dma_sync_single_for_device(&np->pci_dev->dev,
2365
+							   np->rx_dma[entry],
2366
+							   buflen,
2367
+							   DMA_FROM_DEVICE);
23702368 			} else {
2371
-				pci_unmap_single(np->pci_dev, np->rx_dma[entry],
2369
+				dma_unmap_single(&np->pci_dev->dev,
2370
+						 np->rx_dma[entry],
23722371 						 buflen + NATSEMI_PADDING,
2373
-						 PCI_DMA_FROMDEVICE);
2372
+						 DMA_FROM_DEVICE);
23742373 				skb_put(skb = np->rx_skbuff[entry], pkt_len);
23752374 				np->rx_skbuff[entry] = NULL;
23762375 			}
....@@ -3078,7 +3077,7 @@
30783077 	switch(cmd) {
30793078 	case SIOCGMIIPHY:		/* Get address of MII PHY in use. */
30803079 		data->phy_id = np->phy_addr_external;
3081
-		/* Fall Through */
3080
+		fallthrough;
30823081 
30833082 	case SIOCGMIIREG:		/* Read MII PHY register. */
30843083 		/* The phy_id is not enough to uniquely identify
....@@ -3243,8 +3242,6 @@
32433242 	free_netdev (dev);
32443243 }
32453244 
3246
-#ifdef CONFIG_PM
3247
-
32483245 /*
32493246  * The ns83815 chip doesn't have explicit RxStop bits.
32503247  * Kicking the Rx or Tx process for a new packet reenables the Rx process
....@@ -3271,9 +3268,9 @@
32713268  * Interrupts must be disabled, otherwise hands_off can cause irq storms.
32723269  */
32733270 
3274
-static int natsemi_suspend (struct pci_dev *pdev, pm_message_t state)
3271
+static int __maybe_unused natsemi_suspend(struct device *dev_d)
32753272 {
3276
-	struct net_device *dev = pci_get_drvdata (pdev);
3273
+	struct net_device *dev = dev_get_drvdata(dev_d);
32773274 	struct netdev_private *np = netdev_priv(dev);
32783275 	void __iomem * ioaddr = ns_ioaddr(dev);
32793276 
....@@ -3322,11 +3319,10 @@
33223319 }
33233320 
33243321 
3325
-static int natsemi_resume (struct pci_dev *pdev)
3322
+static int __maybe_unused natsemi_resume(struct device *dev_d)
33263323 {
3327
-	struct net_device *dev = pci_get_drvdata (pdev);
3324
+	struct net_device *dev = dev_get_drvdata(dev_d);
33283325 	struct netdev_private *np = netdev_priv(dev);
3329
-	int ret = 0;
33303326 
33313327 	rtnl_lock();
33323328 	if (netif_device_present(dev))
....@@ -3335,12 +3331,6 @@
33353331 		const int irq = np->pci_dev->irq;
33363332 
33373333 		BUG_ON(!np->hands_off);
3338
-		ret = pci_enable_device(pdev);
3339
-		if (ret < 0) {
3340
-			dev_err(&pdev->dev,
3341
-				"pci_enable_device() failed: %d\n", ret);
3342
-			goto out;
3343
-		}
33443334 	/*	pci_power_on(pdev); */
33453335 
33463336 		napi_enable(&np->napi);
....@@ -3360,20 +3350,17 @@
33603350 	netif_device_attach(dev);
33613351 out:
33623352 	rtnl_unlock();
3363
-	return ret;
3353
+	return 0;
33643354 }
33653355 
3366
-#endif /* CONFIG_PM */
3356
+static SIMPLE_DEV_PM_OPS(natsemi_pm_ops, natsemi_suspend, natsemi_resume);
33673357 
33683358 static struct pci_driver natsemi_driver = {
33693359 	.name		= DRV_NAME,
33703360 	.id_table	= natsemi_pci_tbl,
33713361 	.probe		= natsemi_probe1,
33723362 	.remove		= natsemi_remove1,
3373
-#ifdef CONFIG_PM
3374
-	.suspend	= natsemi_suspend,
3375
-	.resume		= natsemi_resume,
3376
-#endif
3363
+	.driver.pm	= &natsemi_pm_ops,
33773364 };
33783365 
33793366 static int __init natsemi_init_mod (void)