netdev - [PATCH net-next] net: phylink: only restart AN if the link mode is using in-band AN

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Date:   Wed, 24 Jun 2020 12:30:04 +0100
From:   Russell King <rmk+kernel@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next] net: phylink: only restart AN if the link mode is
 using in-band AN

If we are not using in-band autonegotiation, there is no point passing
the request to restart autonegotiation on to the driver.

Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
---
 drivers/net/phy/phylink.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 7cda1646bbf7..494af91535ba 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -429,7 +429,8 @@ static void phylink_mac_config_up(struct phylink *pl,
 static void phylink_mac_pcs_an_restart(struct phylink *pl)
 {
 	if (pl->link_config.an_enabled &&
-	    phy_interface_mode_is_8023z(pl->link_config.interface)) {
+	    phy_interface_mode_is_8023z(pl->link_config.interface) &&
+	    phylink_autoneg_inband(pl->cur_link_an_mode)) {
 		if (pl->pcs_ops)
 			pl->pcs_ops->pcs_an_restart(pl->config);
 		else
-- 
2.20.1