# \[PATCH\] net: phy: Log only PHY state transitions

- From: Marc Gonzalez \<hidden\>
- Date: 2017-07-25 09:31:50 
- List: netdev
- Page: https://ratatoskr.run/netdev/2017/07/11060378
- Thread: https://ratatoskr.run/netdev/2017/07/11060378/t.md

```text
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 <redacted>
---
 drivers/net/phy/phy.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index d0626bf5c540..6bb764e716fc 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1226,7 +1226,8 @@ void phy_state_machine(struct work_struct *work)
 	if (err < 0)
 		phy_error(phydev);
 
-	phydev_dbg(phydev, "PHY state change %s -> %s\n",
+	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));
 
-- 
2.11.0
```