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net: phy: Log only PHY state transitions

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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>
This commit is contained in:
Marc Gonzalez 2017-07-28 13:18:30 +02:00 committed by David S. Miller
parent 6e7291752b
commit 6a95befc8d
1 changed files with 4 additions and 3 deletions
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7
drivers/net/phy/phy.c
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@ -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