target/linux/generic/patches-3.14/072-net-phy-Check-for-aneg-completion-before-setting-sta.patch

   1 From: Balakumaran Kannan <kumaran.4353@gmail.com>
   2 Date: Thu, 24 Apr 2014 08:22:47 +0530
   3 Subject: [PATCH] net phy: Check for aneg completion before setting state to
   4  PHY_RUNNING
   5
   6 phy_state_machine should check whether auto-negotiatin is completed
   7 before changing phydev->state from PHY_NOLINK to PHY_RUNNING. If
   8 auto-negotiation is not completed phydev->state should be set to
   9 PHY_AN.
  10
  11 Signed-off-by: Balakumaran Kannan <kumaran.4353@gmail.com>
  12 Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
  13 Signed-off-by: David S. Miller <davem@davemloft.net>
  14 ---
  15
  16 --- a/drivers/net/phy/phy.c
  17 +++ b/drivers/net/phy/phy.c
  18 @@ -744,6 +744,17 @@ void phy_state_machine(struct work_struc
  19                         break;
  20
  21                 if (phydev->link) {
  22 +                       if (AUTONEG_ENABLE == phydev->autoneg) {
  23 +                               err = phy_aneg_done(phydev);
  24 +                               if (err < 0)
  25 +                                       break;
  26 +
  27 +                               if (!err) {
  28 +                                       phydev->state = PHY_AN;
  29 +                                       phydev->link_timeout = PHY_AN_TIMEOUT;
  30 +                                       break;
  31 +                               }
  32 +                       }
  33                         phydev->state = PHY_RUNNING;
  34                         netif_carrier_on(phydev->attached_dev);
  35                         phydev->adjust_link(phydev->attached_dev);