linux-kernel - [PATCH net-next 6/8] net: dsa: b53: Call b53_eee_init() from b53_mac_link

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Message-Id: <20240423183339.1368511-7-florian.fainelli@broadcom.com>
Date: Tue, 23 Apr 2024 11:33:37 -0700
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: netdev@...r.kernel.org
Cc: Florian Fainelli <florian.fainelli@...adcom.com>,
	Andrew Lunn <andrew@...n.ch>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Russell King <linux@...linux.org.uk>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next 6/8] net: dsa: b53: Call b53_eee_init() from b53_mac_link_up()

And make sure this is done for the MLO_AN_PHY case, where it actually
makes sense, contrary to b53_adjust_link() which only did it for
fixed-PHY configurations where it does not make sense.

Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>
---
 drivers/net/dsa/b53/b53_common.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 18b87e903943..a4b50ee97f87 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1481,9 +1481,13 @@ static void b53_phylink_mac_link_up(struct dsa_switch *ds, int port,
 				    bool tx_pause, bool rx_pause)
 {
 	struct b53_device *dev = ds->priv;
+	struct ethtool_keee *p = &dev->ports[port].eee;
 
-	if (mode == MLO_AN_PHY)
+	if (mode == MLO_AN_PHY) {
+		/* Re-negotiate EEE if it was enabled already */
+		p->eee_enabled = b53_eee_init(ds, port, phydev);
 		return;
+	}
 
 	if (mode == MLO_AN_FIXED) {
 		/* Force flow control on BCM5301x's CPU port */
-- 
2.34.1