static void ar2313_adjust_link(struct net_device *dev)
 {
-       printk(KERN_ERR " ar2313_adjust_link implementation missing\n");
+       struct ar2313_private *sp = dev->priv;
+       unsigned int mc;
+
+       if (!sp->phy_dev->link)
+               return;
+
+       if (sp->phy_dev->duplex != sp->oldduplex) {
+               mc = readl(&sp->eth_regs->mac_control);
+               mc &= ~(MAC_CONTROL_F | MAC_CONTROL_DRO);
+               if (sp->phy_dev->duplex)
+                       mc |= MAC_CONTROL_F;
+               else
+                       mc |= MAC_CONTROL_DRO;
+               writel(mc, &sp->eth_regs->mac_control);
+               sp->oldduplex = sp->phy_dev->duplex;
+       }
 }
 
 #define MII_ADDR(phy, reg) \
        struct net_device *const dev = bus->priv;
 
        ar2313_reset_reg(dev);
-       
+
        return 0;
 }
 
                        phydev = sp->mii_bus.phy_map[phy_addr];
                        break; /* break out with first one found */
                }
-       
+
        if (!phydev) {
                printk (KERN_ERR "ar2313:%s: no PHY found\n", dev->name);
                return -1;
        }
-       
+
        /* now we are supposed to have a proper phydev, to attach to... */
        BUG_ON(!phydev);
        BUG_ON(phydev->attached_dev);
-       
+
        phydev = phy_connect(dev, phydev->dev.bus_id, &ar2313_adjust_link, 0,
                PHY_INTERFACE_MODE_MII);
-       
+
        if (IS_ERR(phydev)) {
                printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
                return PTR_ERR(phydev);
                /* | SUPPORTED_Pause | SUPPORTED_Asym_Pause */
                | SUPPORTED_MII
                | SUPPORTED_TP);
-       
+
        phydev->advertising = phydev->supported;
-       
-       //sp->old_link = 0;
-       //sp->old_speed = 0;
-       //sp->old_duplex = -1;
+
+       sp->oldduplex = -1;
        sp->phy_dev = phydev;
-       
+
        printk(KERN_INFO "%s: attached PHY driver [%s] "
                "(mii_bus:phy_addr=%s)\n",
                dev->name, phydev->drv->name, phydev->dev.bus_id);
-       
+
        return 0;
 }