target/linux/at91/patches-2.6.25/010-dm9161a-phyfix.patch

   1 --- a/drivers/net/arm/at91_ether.c
   2 +++ b/drivers/net/arm/at91_ether.c
   3 @@ -146,6 +146,7 @@
   4         struct at91_private *lp = netdev_priv(dev);
   5         unsigned int bmsr, bmcr, lpa, mac_cfg;
   6         unsigned int speed, duplex;
   7 +       unsigned long timeout = jiffies + HZ;
   8
   9         if (!mii_link_ok(&lp->mii)) {           /* no link */
  10                 netif_carrier_off(dev);
  11 @@ -158,8 +159,15 @@
  12         read_phy(lp->phy_address, MII_BMSR, &bmsr);
  13         read_phy(lp->phy_address, MII_BMCR, &bmcr);
  14         if (bmcr & BMCR_ANENABLE) {                             /* AutoNegotiation is enabled */
  15 -               if (!(bmsr & BMSR_ANEGCOMPLETE))
  16 -                       return;                 /* Do nothing - another interrupt generated when negotiation complete */
  17 +               while (!(bmsr & BMSR_ANEGCOMPLETE)) {
  18 +                       if (time_after(jiffies, timeout)) {
  19 +                               printk("at91_ether: Auto-negotiate timeout\n");
  20 +                               return;
  21 +                       }
  22 +                       read_phy(lp->phy_address, MII_BMSR, &bmsr);
  23 +                       read_phy(lp->phy_address, MII_BMCR, &bmcr);
  24 +                       cpu_relax();
  25 +               }
  26
  27                 read_phy(lp->phy_address, MII_LPA, &lpa);
  28                 if ((lpa & LPA_100FULL) || (lpa & LPA_100HALF)) speed = SPEED_100;