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Message-Id: <20230120092059.347734-2-o.rempel@pengutronix.de>
Date:   Fri, 20 Jan 2023 10:20:56 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Woojung Huh <woojung.huh@...rochip.com>,
        UNGLinuxDriver@...rochip.com, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        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>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Arun.Ramadoss@...rochip.com
Subject: [PATCH net-next v2 1/4] net: phy: add driver specific get/set_eee support

Not all PHYs can be handled by generic phy_ethtool_get/set_eee()
functions. So, add driver specific get/set_eee support.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 drivers/net/phy/phy.c | 6 ++++++
 include/linux/phy.h   | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 3378ca4f49b6..57e125a99414 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1583,6 +1583,9 @@ int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data)
 	if (!phydev->drv)
 		return -EIO;
 
+	if (phydev->drv->get_eee)
+		return phydev->drv->get_eee(phydev, data);
+
 	/* Get Supported EEE */
 	val = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
 	if (val < 0)
@@ -1622,6 +1625,9 @@ int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data)
 	if (!phydev->drv)
 		return -EIO;
 
+	if (phydev->drv->set_eee)
+		return phydev->drv->set_eee(phydev, data);
+
 	/* Get Supported EEE */
 	cap = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
 	if (cap < 0)
diff --git a/include/linux/phy.h b/include/linux/phy.h
index b3cf1e08e880..9ad6c3f5c865 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1055,6 +1055,11 @@ struct phy_driver {
 	/** @get_plca_status: Return the current PLCA status info */
 	int (*get_plca_status)(struct phy_device *dev,
 			       struct phy_plca_status *plca_st);
+
+	/** @get_eee: Return the current EEE configuration */
+	int (*get_eee)(struct phy_device *phydev, struct ethtool_eee *e);
+	/** @set_eee: Set the EEE configuration */
+	int (*set_eee)(struct phy_device *phydev, struct ethtool_eee *e);
 };
 #define to_phy_driver(d) container_of(to_mdio_common_driver(d),		\
 				      struct phy_driver, mdiodrv)
-- 
2.30.2

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