netdev - [RFC/RFTv3 22/24] net: phylink: Extend mac_capabilities in MAC drivers which support EEE

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Date:   Fri, 31 Mar 2023 02:55:16 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     netdev <netdev@...r.kernel.org>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Oleksij Rempel <linux@...pel-privat.de>,
        Andrew Lunn <andrew@...n.ch>
Subject: [RFC/RFTv3 22/24] net: phylink: Extend mac_capabilities in MAC drivers which support EEE

For MAC drivers making use of phylink, and which support EEE, set the
MAC_EEE bit in the mac_capabilities.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/ethernet/marvell/mvneta.c             | 2 +-
 drivers/net/ethernet/microchip/lan743x_main.c     | 2 ++
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++
 net/dsa/port.c                                    | 3 +++
 4 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index fba9edad9e37..efe751da899b 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -5450,7 +5450,7 @@ static int mvneta_probe(struct platform_device *pdev)
 
 	pp->phylink_config.dev = &dev->dev;
 	pp->phylink_config.type = PHYLINK_NETDEV;
-	pp->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_10 |
+	pp->phylink_config.mac_capabilities = MAC_SYM_PAUSE | MAC_EEE | MAC_10 |
 		MAC_100 | MAC_1000FD | MAC_2500FD;
 
 	phy_interface_set_rgmii(pp->phylink_config.supported_interfaces);
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 7986f8fcf7d3..ad76be484536 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -1543,6 +1543,8 @@ static int lan743x_phy_open(struct lan743x_adapter *adapter)
 	phy->fc_request_control = (FLOW_CTRL_RX | FLOW_CTRL_TX);
 	phy->fc_autoneg = phydev->autoneg;
 
+	phy_support_eee(phydev);
+
 	phy_start(phydev);
 	phy_start_aneg(phydev);
 	phy_attached_info(phydev);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 190b74d7f4e7..522e6bb9e1fd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1232,6 +1232,9 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
 			~(MAC_10HD | MAC_100HD | MAC_1000HD);
 	priv->phylink_config.mac_managed_pm = true;
 
+	if (priv->dma_cap.eee)
+		priv->phylink_config.mac_capabilities |= MAC_EEE;
+
 	phylink = phylink_create(&priv->phylink_config, fwnode,
 				 mode, &stmmac_phylink_mac_ops);
 	if (IS_ERR(phylink))
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 67ad1adec2a2..68e52abadd7e 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -1696,6 +1696,9 @@ int dsa_port_phylink_create(struct dsa_port *dp)
 	if (ds->ops->phylink_get_caps)
 		ds->ops->phylink_get_caps(ds, dp->index, &dp->pl_config);
 
+	if (ds->ops->set_mac_eee && ds->ops->get_mac_eee)
+		dp->pl_config.mac_capabilities |= MAC_EEE;
+
 	pl = phylink_create(&dp->pl_config, of_fwnode_handle(dp->dn),
 			    mode, &dsa_port_phylink_mac_ops);
 	if (IS_ERR(pl)) {
-- 
2.40.0