[PATCH net-next v4 10/23] net: phy: add driver specific get/set_eee support

[Oleksij Rempel <o.rempel@pengutronix.de>]

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@pengutronix.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 2f1041a7211e..c42df62df302 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1520,6 +1520,9 @@ 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);
+
 	return genphy_c45_ethtool_get_eee(phydev, data);
 }
 EXPORT_SYMBOL(phy_ethtool_get_eee);
@@ -1536,6 +1539,9 @@ 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);
+
 	return genphy_c45_ethtool_set_eee(phydev, data);
 }
 EXPORT_SYMBOL(phy_ethtool_set_eee);
diff --git a/include/linux/phy.h b/include/linux/phy.h
index f8fbbf137ece..89556cb2c555 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1051,6 +1051,11 @@ 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