--- zzzz-none-000/linux-3.10.107/drivers/net/ethernet/intel/e100.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/ethernet/intel/e100.c	2021-02-04 17:41:59.000000000 +0000
@@ -208,7 +208,7 @@
 #define INTEL_8255X_ETHERNET_DEVICE(device_id, ich) {\
 	PCI_VENDOR_ID_INTEL, device_id, PCI_ANY_ID, PCI_ANY_ID, \
 	PCI_CLASS_NETWORK_ETHERNET << 8, 0xFFFF00, ich }
-static DEFINE_PCI_DEVICE_TABLE(e100_id_table) = {
+static const struct pci_device_id e100_id_table[] = {
 	INTEL_8255X_ETHERNET_DEVICE(0x1029, 0),
 	INTEL_8255X_ETHERNET_DEVICE(0x1030, 0),
 	INTEL_8255X_ETHERNET_DEVICE(0x1031, 3),
@@ -414,7 +414,7 @@
 
 /**
  * cb_command - Command Block flags
- * @cb_tx_nc:  0: controler does CRC (normal),  1: CRC from skb memory
+ * @cb_tx_nc:  0: controller does CRC (normal),  1: CRC from skb memory
  */
 enum cb_command {
 	cb_nop    = 0x0000,
@@ -874,7 +874,7 @@
 {
 	struct cb *cb;
 	unsigned long flags;
-	int err = 0;
+	int err;
 
 	spin_lock_irqsave(&nic->cb_lock, flags);
 
@@ -899,7 +899,7 @@
 	/* Order is important otherwise we'll be in a race with h/w:
 	 * set S-bit in current first, then clear S-bit in previous. */
 	cb->command |= cpu_to_le16(cb_s);
-	wmb();
+	dma_wmb();
 	cb->prev->command &= cpu_to_le16(~cb_s);
 
 	while (nic->cb_to_send != nic->cb_to_use) {
@@ -1175,15 +1175,12 @@
 		config->rx_discard_short_frames = 0x0;  /* 1=discard, 0=save */
 	}
 
-	netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
-		     "[00-07]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
-		     c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
-	netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
-		     "[08-15]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
-		     c[8], c[9], c[10], c[11], c[12], c[13], c[14], c[15]);
-	netif_printk(nic, hw, KERN_DEBUG, nic->netdev,
-		     "[16-23]=%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n",
-		     c[16], c[17], c[18], c[19], c[20], c[21], c[22], c[23]);
+	netif_printk(nic, hw, KERN_DEBUG, nic->netdev, "[00-07]=%8ph\n",
+		     c + 0);
+	netif_printk(nic, hw, KERN_DEBUG, nic->netdev, "[08-15]=%8ph\n",
+		     c + 8);
+	netif_printk(nic, hw, KERN_DEBUG, nic->netdev, "[16-23]=%8ph\n",
+		     c + 16);
 	return 0;
 }
 
@@ -1546,7 +1543,7 @@
 		mdio_write(netdev, nic->mii.phy_id, MII_BMCR, bmcr);
 	} else if ((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
 	   (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) &&
-		!(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
+		(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
 		/* enable/disable MDI/MDI-X auto-switching. */
 		mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG,
 				nic->mii.force_media ? 0 : NCONFIG_AUTO_SWITCH);
@@ -1773,17 +1770,20 @@
 	dma_addr = pci_map_single(nic->pdev,
 				  skb->data, skb->len, PCI_DMA_TODEVICE);
 	/* If we can't map the skb, have the upper layer try later */
-	if (pci_dma_mapping_error(nic->pdev, dma_addr))
+	if (pci_dma_mapping_error(nic->pdev, dma_addr)) {
+		dev_kfree_skb_any(skb);
+		skb = NULL;
 		return -ENOMEM;
+	}
 
 	/*
 	 * Use the last 4 bytes of the SKB payload packet as the CRC, used for
 	 * testing, ie sending frames with bad CRC.
 	 */
 	if (unlikely(skb->no_fcs))
-		cb->command |= __constant_cpu_to_le16(cb_tx_nc);
+		cb->command |= cpu_to_le16(cb_tx_nc);
 	else
-		cb->command &= ~__constant_cpu_to_le16(cb_tx_nc);
+		cb->command &= ~cpu_to_le16(cb_tx_nc);
 
 	/* interrupt every 16 packets regardless of delay */
 	if ((nic->cbs_avail & ~15) == nic->cbs_avail)
@@ -1846,7 +1846,7 @@
 	for (cb = nic->cb_to_clean;
 	    cb->status & cpu_to_le16(cb_complete);
 	    cb = nic->cb_to_clean = cb->next) {
-		rmb(); /* read skb after status */
+		dma_rmb(); /* read skb after status */
 		netif_printk(nic, tx_done, KERN_DEBUG, nic->netdev,
 			     "cb[%d]->status = 0x%04X\n",
 			     (int)(((void*)cb - (void*)nic->cbs)/sizeof(struct cb)),
@@ -1996,7 +1996,7 @@
 
 	netif_printk(nic, rx_status, KERN_DEBUG, nic->netdev,
 		     "status=0x%04X\n", rfd_status);
-	rmb(); /* read size after status bit */
+	dma_rmb(); /* read size after status bit */
 
 	/* If data isn't ready, nothing to indicate */
 	if (unlikely(!(rfd_status & cb_complete))) {
@@ -2857,7 +2857,7 @@
 	netdev->hw_features |= NETIF_F_RXALL;
 
 	netdev->netdev_ops = &e100_netdev_ops;
-	SET_ETHTOOL_OPS(netdev, &e100_ethtool_ops);
+	netdev->ethtool_ops = &e100_ethtool_ops;
 	netdev->watchdog_timeo = E100_WATCHDOG_PERIOD;
 	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
 
@@ -2925,9 +2925,7 @@
 
 	pci_set_master(pdev);
 
-	init_timer(&nic->watchdog);
-	nic->watchdog.function = e100_watchdog;
-	nic->watchdog.data = (unsigned long)nic;
+	setup_timer(&nic->watchdog, e100_watchdog, (unsigned long)nic);
 
 	INIT_WORK(&nic->tx_timeout_task, e100_tx_timeout_task);
 
@@ -2972,6 +2970,11 @@
 			   nic->params.cbs.max * sizeof(struct cb),
 			   sizeof(u32),
 			   0);
+	if (!nic->cbs_pool) {
+		netif_err(nic, probe, nic->netdev, "Cannot create DMA pool, aborting\n");
+		err = -ENOMEM;
+		goto err_out_pool;
+	}
 	netif_info(nic, probe, nic->netdev,
 		   "addr 0x%llx, irq %d, MAC addr %pM\n",
 		   (unsigned long long)pci_resource_start(pdev, use_io ? 1 : 0),
@@ -2979,6 +2982,8 @@
 
 	return 0;
 
+err_out_pool:
+	unregister_netdev(netdev);
 err_out_free:
 	e100_free(nic);
 err_out_iounmap:
@@ -2988,7 +2993,6 @@
 err_out_disable_pdev:
 	pci_disable_device(pdev);
 err_out_free_dev:
-	pci_set_drvdata(pdev, NULL);
 	free_netdev(netdev);
 	return err;
 }
@@ -3006,7 +3010,6 @@
 		free_netdev(netdev);
 		pci_release_regions(pdev);
 		pci_disable_device(pdev);
-		pci_set_drvdata(pdev, NULL);
 	}
 }
 
@@ -3069,7 +3072,7 @@
 	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
 	/* ack any pending wake events, disable PME */
-	pci_enable_wake(pdev, 0, 0);
+	pci_enable_wake(pdev, PCI_D0, 0);
 
 	/* disable reverse auto-negotiation */
 	if (nic->phy == phy_82552_v) {
@@ -3160,7 +3163,7 @@
 	struct nic *nic = netdev_priv(netdev);
 
 	/* ack any pending wake events, disable PME */
-	pci_enable_wake(pdev, 0, 0);
+	pci_enable_wake(pdev, PCI_D0, 0);
 
 	netif_device_attach(netdev);
 	if (netif_running(netdev)) {