netdev - [PATCH] net: phy: phylink: fix SFP interface autodetection

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Message-Id: <be339ca81893a87e382a41da84d17850a4cfe940.1537643384.git.baruch@tkos.co.il>
Date:   Sat, 22 Sep 2018 22:09:44 +0300
From:   Baruch Siach <baruch@...s.co.il>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, Russell King <linux@...linux.org.uk>,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        Baruch Siach <baruch@...s.co.il>
Subject: [PATCH] net: phy: phylink: fix SFP interface autodetection

When connecting a PHY to phylink use the detected interface. Otherwise,
the link fails to come up when the configured 'phy-mode' differs from
the SFP detected mode.

This fixes 1GB SFP module link up on eth3 of the Macchiatobin board that
is configured in the DT to "2500base-x" phy-mode.

Fixes: 9525ae83959b6 ("phylink: add phylink infrastructure")
Suggested-by: Russell King <rmk+kernel@...linux.org.uk>
Signed-off-by: Baruch Siach <baruch@...s.co.il>
---
 drivers/net/phy/phylink.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 3ba5cf2a8a5f..aa745decc81d 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -738,7 +738,7 @@ int phylink_connect_phy(struct phylink *pl, struct phy_device *phy)
 
 	if (WARN_ON(pl->link_an_mode == MLO_AN_FIXED ||
 		    (pl->link_an_mode == MLO_AN_INBAND &&
-		     phy_interface_mode_is_8023z(pl->link_interface))))
+		     phy_interface_mode_is_8023z(pl->link_config.interface))))
 		return -EINVAL;
 
 	if (pl->phydev)
@@ -750,7 +750,7 @@ int phylink_connect_phy(struct phylink *pl, struct phy_device *phy)
 		pl->link_config.interface = pl->link_interface;
 	}
 
-	ret = phy_attach_direct(pl->netdev, phy, 0, pl->link_interface);
+	ret = phy_attach_direct(pl->netdev, phy, 0, pl->link_config.interface);
 	if (ret)
 		return ret;
 
-- 
2.19.0