netdev - [PATCH net-next v2 3/3] net: phy: realtek: clear 1000Base-T link partner advertisement

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Message-ID: <9dc9b47b2d675708afef3ad366bfd78eb584d958.1728565530.git.daniel@makrotopia.org>
Date: Thu, 10 Oct 2024 14:07:39 +0100
From: Daniel Golle <daniel@...rotopia.org>
To: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next v2 3/3] net: phy: realtek: clear 1000Base-T link
 partner advertisement

Clear 1000Base-T link partner advertisement bits in Clause-45
read_status() function in case auto-negotiation is disabled or has not
been completed.

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
 drivers/net/phy/realtek.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
index 831089583845..dd7e857b481d 100644
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -1026,6 +1026,10 @@ static int rtl822x_c45_read_status(struct phy_device *phydev)
 	if (ret < 0)
 		return ret;
 
+	if (phydev->autoneg == AUTONEG_DISABLE ||
+	    !genphy_c45_aneg_done(phydev))
+		mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+
 	/* Vendor register as C45 has no standardized support for 1000BaseT */
 	if (phydev->autoneg == AUTONEG_ENABLE) {
 		val = phy_read_mmd(phydev, MDIO_MMD_VEND2,
-- 
2.47.0