netdev - [RFC/RFT 22/23] net: phylib: call phy_support_eee() in MAC drivers which support EEE

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Date:   Mon, 27 Mar 2023 19:02:00 +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 <o.rempel@...gutronix.de>,
        Andrew Lunn <andrew@...n.ch>
Subject: [RFC/RFT 22/23] net: phylib: call phy_support_eee() in MAC drivers which support EEE

For MAC drivers making use of phylib, and which support EEE, call
phy_support_eee() before starting the PHY.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/ethernet/broadcom/genet/bcmmii.c    | 2 ++
 drivers/net/ethernet/freescale/fec_main.c       | 3 +++
 drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c | 3 +++
 drivers/net/usb/lan78xx.c                       | 2 ++
 4 files changed, 10 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 6c39839762a7..4175042865ec 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -376,6 +376,8 @@ int bcmgenet_mii_probe(struct net_device *dev)
 		}
 	}
 
+	phy_support_eee(dev->phydev);
+
 	/* Configure port multiplexer based on what the probed PHY device since
 	 * reading the 'max-speed' property determines the maximum supported
 	 * PHY speed which is needed for bcmgenet_mii_config() to configure
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index fda1f9ff32b9..09c55430c614 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2348,6 +2348,9 @@ static int fec_enet_mii_probe(struct net_device *ndev)
 	else
 		phy_set_max_speed(phy_dev, 100);
 
+	if (fep->quirks & FEC_QUIRK_HAS_EEE)
+		phy_support_eee(phy_dev);
+
 	fep->link = 0;
 	fep->full_duplex = 0;
 
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
index cf549a524674..060280c4bc0a 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
@@ -286,6 +286,9 @@ static int sxgbe_init_phy(struct net_device *ndev)
 		return -ENODEV;
 	}
 
+	if (priv->hw_cap.eee)
+		phy_support_eee(phydev);
+
 	netdev_dbg(ndev, "%s: attached to PHY (UID 0x%x) Link = %d\n",
 		   __func__, phydev->phy_id, phydev->link);
 
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 3f12b67d7444..9b4a33f8e3b2 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2400,6 +2400,8 @@ static int lan78xx_phy_init(struct lan78xx_net *dev)
 	mii_adv_to_linkmode_adv_t(fc, mii_adv);
 	linkmode_or(phydev->advertising, fc, phydev->advertising);
 
+	phy_support_eee(phydev);
+
 	if (phydev->mdio.dev.of_node) {
 		u32 reg;
 		int len;
-- 
2.39.2