VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / drivers / net / sis900.c

diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index aa045b6..425e89f 100644 (file)
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -116,6 +116,7 @@ static struct mii_chip_info {
 #define        HOME    0x0001
 #define LAN    0x0002
 #define MIX    0x0003
+#define UNKNOWN        0x0
 } mii_chip_table[] = {
        { "SiS 900 Internal MII PHY",           0x001d, 0x8000, LAN },
        { "SiS 7014 Physical Layer Solution",   0x0016, 0xf830, LAN },
@@ -125,7 +126,7 @@ static struct mii_chip_info {
        { "NS 83851 PHY",                       0x2000, 0x5C20, MIX },
        { "Realtek RTL8201 PHY",                0x0000, 0x8200, LAN },
        { "VIA 6103 PHY",                       0x0101, 0x8f20, LAN },
-       {0,},
+       {NULL,},
 };
 
 struct mii_phy {
@@ -577,9 +578,11 @@ static int __init sis900_mii_probe (struct net_device * net_dev)
                                break;
                        }
                        
-               if( !mii_chip_table[i].phy_id1 )
+               if( !mii_chip_table[i].phy_id1 ) {
                        printk(KERN_INFO "%s: Unknown PHY transceiver found at address %d.\n",
-                              net_dev->name, phy_addr);                        
+                              net_dev->name, phy_addr);
+                       mii_phy->phy_types = UNKNOWN;
+               }
        }
        
        if (sis_priv->mii == NULL) {
@@ -644,15 +647,15 @@ static int __init sis900_mii_probe (struct net_device * net_dev)
 static u16 sis900_default_phy(struct net_device * net_dev)
 {
        struct sis900_private * sis_priv = net_dev->priv;
-       struct mii_phy *phy = NULL, *phy_home = NULL, *default_phy = NULL;
+       struct mii_phy *phy = NULL, *phy_home = NULL, *default_phy = NULL, *phy_lan = NULL;
        u16 status;
 
         for( phy=sis_priv->first_mii; phy; phy=phy->next ){
                status = mdio_read(net_dev, phy->phy_addr, MII_STATUS);
                status = mdio_read(net_dev, phy->phy_addr, MII_STATUS);
 
-               /* Link ON & Not select deafalut PHY */
-                if ( (status & MII_STAT_LINK) && !(default_phy) )
+               /* Link ON & Not select default PHY & not ghost PHY */
+                if ( (status & MII_STAT_LINK) && !default_phy && (phy->phy_types != UNKNOWN) )
                        default_phy = phy;
                 else{
                        status = mdio_read(net_dev, phy->phy_addr, MII_CONTROL);
@@ -660,12 +663,16 @@ static u16 sis900_default_phy(struct net_device * net_dev)
                                status | MII_CNTL_AUTO | MII_CNTL_ISOLATE);
                        if( phy->phy_types == HOME )
                                phy_home = phy;
+                       else if (phy->phy_types == LAN)
+                               phy_lan = phy;
                 }
        }
 
-       if( (!default_phy) && phy_home )
+       if( !default_phy && phy_home )
                default_phy = phy_home;
-       else if(!default_phy)
+       else if( !default_phy && phy_lan )
+               default_phy = phy_lan;
+       else if ( !default_phy )
                default_phy = sis_priv->first_mii;
 
        if( sis_priv->mii != default_phy ){
@@ -1445,7 +1452,7 @@ static void sis900_tx_timeout(struct net_device *net_dev)
                                sis_priv->tx_ring[i].bufptr, skb->len,
                                PCI_DMA_TODEVICE);
                        dev_kfree_skb_irq(skb);
-                       sis_priv->tx_skbuff[i] = 0;
+                       sis_priv->tx_skbuff[i] = NULL;
                        sis_priv->tx_ring[i].cmdsts = 0;
                        sis_priv->tx_ring[i].bufptr = 0;
                        sis_priv->stats.tx_dropped++;
@@ -1840,7 +1847,7 @@ sis900_close(struct net_device *net_dev)
                                sis_priv->rx_ring[i].bufptr,
                                RX_BUF_SIZE, PCI_DMA_FROMDEVICE);
                        dev_kfree_skb(skb);
-                       sis_priv->rx_skbuff[i] = 0;
+                       sis_priv->rx_skbuff[i] = NULL;
                }
        }
        for (i = 0; i < NUM_TX_DESC; i++) {
@@ -1850,7 +1857,7 @@ sis900_close(struct net_device *net_dev)
                                sis_priv->tx_ring[i].bufptr, skb->len,
                                PCI_DMA_TODEVICE);
                        dev_kfree_skb(skb);
-                       sis_priv->tx_skbuff[i] = 0;
+                       sis_priv->tx_skbuff[i] = NULL;
                }
        }