net: phy: Log only PHY state transitions

In the current code, old and new PHY states are always logged.
>From now on, log only PHY state transitions.

Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index ac1dcf0289fab4d3b538942d7f147c46059e9f7f..3aedf415908bfacd19bfb2680f3dc25d00da2b86 100644 (file)
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1225,9 +1225,10 @@ void phy_state_machine(struct work_struct *work)
        if (err < 0)
                phy_error(phydev);
 
-       phydev_dbg(phydev, "PHY state change %s -> %s\n",
-                  phy_state_to_str(old_state),
-                  phy_state_to_str(phydev->state));
+       if (old_state != phydev->state)
+               phydev_dbg(phydev, "PHY state change %s -> %s\n",
+                          phy_state_to_str(old_state),
+                          phy_state_to_str(phydev->state));
 
        /* Only re-schedule a PHY state machine change if we are polling the
         * PHY, if PHY_IGNORE_INTERRUPT is set, then we will be moving