netdev - [PATCH net-next v2 2/3] net: phy: Register ethtool PHY operations

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Date:   Sun,  5 Jul 2020 21:27:57 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Michal Kubecek <mkubecek@...e.cz>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH net-next v2 2/3] net: phy: Register ethtool PHY operations

Utilize ethtool_set_ethtool_phy_ops to register a suitable set of PHY
ethtool operations in a dynamic fashion such that ethtool will no longer
directy reference PHY library symbols.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/net/phy/phy_device.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index eb1068a77ce1..94a5aa30b70f 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -3029,6 +3029,11 @@ static struct phy_driver genphy_driver = {
 	.set_loopback   = genphy_loopback,
 };
 
+static const struct ethtool_phy_ops phy_ethtool_phy_ops = {
+	.start_cable_test	= phy_start_cable_test,
+	.start_cable_test_tdr	= phy_start_cable_test_tdr,
+};
+
 static int __init phy_init(void)
 {
 	int rc;
@@ -3037,6 +3042,7 @@ static int __init phy_init(void)
 	if (rc)
 		return rc;
 
+	ethtool_set_ethtool_phy_ops(&phy_ethtool_phy_ops);
 	features_init();
 
 	rc = phy_driver_register(&genphy_c45_driver, THIS_MODULE);
@@ -3058,6 +3064,7 @@ static void __exit phy_exit(void)
 	phy_driver_unregister(&genphy_c45_driver);
 	phy_driver_unregister(&genphy_driver);
 	mdio_bus_exit();
+	ethtool_set_ethtool_phy_ops(NULL);
 }
 
 subsys_initcall(phy_init);
-- 
2.25.1