From 5cb409b3960e75467cbb0a8e1e5596b4490570e3 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Thu, 10 Oct 2024 14:07:39 +0100
Subject: [PATCH] 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@makrotopia.org>
Link: https://patch.msgid.link/9dc9b47b2d675708afef3ad366bfd78eb584d958.1728565530.git.daniel@makrotopia.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
 drivers/net/phy/realtek.c | 4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -1027,6 +1027,10 @@ static int rtl822x_c45_read_status(struc
 	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,
