Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream

1 files changed, 42 insertions, 20 deletions

diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c
index 53bbddfc8c9..72fd9e97c19 100644
--- a/drivers/net/r6040.c
+++ b/drivers/net/r6040.c
@@ -49,8 +49,8 @@
 #include <asm/processor.h>
 
 #define DRV_NAME	"r6040"
-#define DRV_VERSION	"0.19"
-#define DRV_RELDATE	"18Dec2008"
+#define DRV_VERSION	"0.21"
+#define DRV_RELDATE	"09Jan2009"
 
 /* PHY CHIP Address */
 #define PHY1_ADDR	1	/* For MAC1 */
@@ -200,7 +200,7 @@ struct r6040_private {
 
 static char version[] __devinitdata = KERN_INFO DRV_NAME
 	": RDC R6040 NAPI net driver,"
-	"version "DRV_VERSION " (" DRV_RELDATE ")\n";
+	"version "DRV_VERSION " (" DRV_RELDATE ")";
 
 static int phy_table[] = { PHY1_ADDR, PHY2_ADDR };
 
@@ -330,7 +330,7 @@ static int r6040_alloc_rxbufs(struct net_device *dev)
 	do {
 		skb = netdev_alloc_skb(dev, MAX_BUF_SIZE);
 		if (!skb) {
-			printk(KERN_ERR "%s: failed to alloc skb for rx\n", dev->name);
+			printk(KERN_ERR DRV_NAME "%s: failed to alloc skb for rx\n", dev->name);
 			rc = -ENOMEM;
 			goto err_exit;
 		}
@@ -457,22 +457,12 @@ static void r6040_down(struct net_device *dev)
 	iowrite16(adrp[0], ioaddr + MID_0L);
 	iowrite16(adrp[1], ioaddr + MID_0M);
 	iowrite16(adrp[2], ioaddr + MID_0H);
-	free_irq(dev->irq, dev);
-
-	/* Free RX buffer */
-	r6040_free_rxbufs(dev);
-
-	/* Free TX buffer */
-	r6040_free_txbufs(dev);
-
-	/* Free Descriptor memory */
-	pci_free_consistent(pdev, RX_DESC_SIZE, lp->rx_ring, lp->rx_ring_dma);
-	pci_free_consistent(pdev, TX_DESC_SIZE, lp->tx_ring, lp->tx_ring_dma);
 }
 
 static int r6040_close(struct net_device *dev)
 {
 	struct r6040_private *lp = netdev_priv(dev);
+	struct pci_dev *pdev = lp->pdev;
 
 	/* deleted timer */
 	del_timer_sync(&lp->timer);
@@ -481,8 +471,28 @@ static int r6040_close(struct net_device *dev)
 	napi_disable(&lp->napi);
 	netif_stop_queue(dev);
 	r6040_down(dev);
+
+	free_irq(dev->irq, dev);
+
+	/* Free RX buffer */
+	r6040_free_rxbufs(dev);
+
+	/* Free TX buffer */
+	r6040_free_txbufs(dev);
+
 	spin_unlock_irq(&lp->lock);
 
+	/* Free Descriptor memory */
+	if (lp->rx_ring) {
+		pci_free_consistent(pdev, RX_DESC_SIZE, lp->rx_ring, lp->rx_ring_dma);
+		lp->rx_ring = 0;
+	}
+
+	if (lp->tx_ring) {
+		pci_free_consistent(pdev, TX_DESC_SIZE, lp->tx_ring, lp->tx_ring_dma);
+		lp->tx_ring = 0;
+	}
+
 	return 0;
 }
 
@@ -1049,6 +1059,7 @@ static const struct net_device_ops r6040_netdev_ops = {
 	.ndo_set_multicast_list = r6040_multicast_list,
 	.ndo_change_mtu		= eth_change_mtu,
 	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address 	= eth_mac_addr,
 	.ndo_do_ioctl		= r6040_ioctl,
 	.ndo_tx_timeout		= r6040_tx_timeout,
 #ifdef CONFIG_NET_POLL_CONTROLLER
@@ -1077,20 +1088,20 @@ static int __devinit r6040_init_one(struct pci_dev *pdev,
 	/* this should always be supported */
 	err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
 	if (err) {
-		printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses"
+		printk(KERN_ERR DRV_NAME ": 32-bit PCI DMA addresses"
 				"not supported by the card\n");
 		goto err_out;
 	}
 	err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
 	if (err) {
-		printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses"
+		printk(KERN_ERR DRV_NAME ": 32-bit PCI DMA addresses"
 				"not supported by the card\n");
 		goto err_out;
 	}
 
 	/* IO Size check */
 	if (pci_resource_len(pdev, 0) < io_size) {
-		printk(KERN_ERR DRV_NAME "Insufficient PCI resources, aborting\n");
+		printk(KERN_ERR DRV_NAME ": Insufficient PCI resources, aborting\n");
 		err = -EIO;
 		goto err_out;
 	}
@@ -1100,7 +1111,7 @@ static int __devinit r6040_init_one(struct pci_dev *pdev,
 
 	dev = alloc_etherdev(sizeof(struct r6040_private));
 	if (!dev) {
-		printk(KERN_ERR DRV_NAME "Failed to allocate etherdev\n");
+		printk(KERN_ERR DRV_NAME ": Failed to allocate etherdev\n");
 		err = -ENOMEM;
 		goto err_out;
 	}
@@ -1116,11 +1127,15 @@ static int __devinit r6040_init_one(struct pci_dev *pdev,
 
 	ioaddr = pci_iomap(pdev, bar, io_size);
 	if (!ioaddr) {
-		printk(KERN_ERR "ioremap failed for device %s\n",
+		printk(KERN_ERR DRV_NAME ": ioremap failed for device %s\n",
 			pci_name(pdev));
 		err = -EIO;
 		goto err_out_free_res;
 	}
+	/* If PHY status change register is still set to zero it means the
+	 * bootloader didn't initialize it */
+	if (ioread16(ioaddr + PHY_CC) == 0)
+		iowrite16(0x9f07, ioaddr + PHY_CC);
 
 	/* Init system & device */
 	lp->base = ioaddr;
@@ -1137,6 +1152,13 @@ static int __devinit r6040_init_one(struct pci_dev *pdev,
 	adrp[1] = ioread16(ioaddr + MID_0M);
 	adrp[2] = ioread16(ioaddr + MID_0H);
 
+	/* Some bootloader/BIOSes do not initialize
+	 * MAC address, warn about that */
+	if (!(adrp[0] || adrp[1] || adrp[2])) {
+		printk(KERN_WARNING DRV_NAME ": MAC address not initialized, generating random\n");
+		random_ether_addr(dev->dev_addr);
+	}
+
 	/* Link new device into r6040_root_dev */
 	lp->pdev = pdev;
 	lp->dev = dev;