netdev - [PATCH net-next 3/3] net: phy: realtek: add 5Gbps support to rtl822x_config

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Message-ID: <5644ab50-e3e9-477c-96db-05cd5bdc2563@gmail.com>
Date: Sun, 4 Feb 2024 15:18:50 +0100
From: Heiner Kallweit <hkallweit1@...il.com>
To: Marek Behún <kabel@...nel.org>,
 Andrew Lunn <andrew@...n.ch>,
 Russell King - ARM Linux <linux@...linux.org.uk>,
 Jakub Kicinski <kuba@...nel.org>, David Miller <davem@...emloft.net>,
 Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>
Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 3/3] net: phy: realtek: add 5Gbps support to
 rtl822x_config_aneg()

RTL8126 as an evolution of RTL8125 supports 5Gbps. rtl822x_config_aneg()
is used by the PHY driver for the integrated PHY, therefore add 5Gbps
support to it.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 drivers/net/phy/realtek.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
index ffc13c495..06f6672a4 100644
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -680,15 +680,19 @@ static int rtl822x_config_aneg(struct phy_device *phydev)
 	int ret = 0;
 
 	if (phydev->autoneg == AUTONEG_ENABLE) {
-		u16 adv2500 = 0;
+		u16 adv = 0;
 
 		if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
 				      phydev->advertising))
-			adv2500 = MDIO_AN_10GBT_CTRL_ADV2_5G;
+			adv |= MDIO_AN_10GBT_CTRL_ADV2_5G;
+		if (linkmode_test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
+				      phydev->advertising))
+			adv |= MDIO_AN_10GBT_CTRL_ADV5G;
 
 		ret = phy_modify_paged_changed(phydev, 0xa5d, 0x12,
-					       MDIO_AN_10GBT_CTRL_ADV2_5G,
-					       adv2500);
+					       MDIO_AN_10GBT_CTRL_ADV2_5G |
+					       MDIO_AN_10GBT_CTRL_ADV5G,
+					       adv);
 		if (ret < 0)
 			return ret;
 	}
-- 
2.43.0