[PATCH 5.12 145/296] net: dsa: sja1105: error out on unsupported PHY mode

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From: Vladimir Oltean <vladimir.oltean@xxxxxxx>

commit 6729188d2646709941903052e4b78e1d82c239b9 upstream.

The driver continues probing when a port is configured for an
unsupported PHY interface type, instead it should stop.

Fixes: 8aa9ebccae87 ("net: dsa: Introduce driver for NXP SJA1105 5-port L2 switch")
Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/dsa/sja1105/sja1105_main.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -208,6 +208,7 @@ static int sja1105_init_mii_settings(str
 		default:
 			dev_err(dev, "Unsupported PHY mode %s!\n",
 				phy_modes(ports[i].phy_mode));
+			return -EINVAL;
 		}
 
 		/* Even though the SerDes port is able to drive SGMII autoneg





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