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[86.49.81.200]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4650c114a50sm3998872f8f.33.2026.06.18.18.16.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jun 2026 18:16:58 -0700 (PDT) From: Jan Klos To: Heiner Kallweit , Andrew Lunn , Russell King , netdev@vger.kernel.org Cc: Jan Klos , linux-kernel@vger.kernel.org Subject: [PATCH] net: phy: realtek: Clear MDIO_AN_10GBT_CTRL_ADV10G bit Date: Fri, 19 Jun 2026 03:15:15 +0200 Message-ID: <20260619011519.50009-2-honza.klos@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On RTL8127A connected to a link partner that advertises 10000baseT speed cannot be changed to anything other than 10000baseT as 10GbE is always advertised regardless of any setting. Fix this by clearing MDIO_AN_10GBT_CTRL_ADV10G bit in rtl822x_config_aneg()'s call to phy_modify_mmd_changed(). Signed-off-by: Jan Klos --- drivers/net/phy/realtek/realtek_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/realtek/realtek_main.c b/drivers/net/phy/realtek/realtek_main.c index 27268811f564..b65d0f5fa1a0 100644 --- a/drivers/net/phy/realtek/realtek_main.c +++ b/drivers/net/phy/realtek/realtek_main.c @@ -1802,7 +1802,8 @@ static int rtl822x_config_aneg(struct phy_device *phydev) ret = phy_modify_mmd_changed(phydev, MDIO_MMD_VEND2, RTL_MDIO_AN_10GBT_CTRL, MDIO_AN_10GBT_CTRL_ADV2_5G | - MDIO_AN_10GBT_CTRL_ADV5G, adv); + MDIO_AN_10GBT_CTRL_ADV5G | + MDIO_AN_10GBT_CTRL_ADV10G, adv); if (ret < 0) return ret; } base-commit: 7d8297e26b4e20b5d1c3c3fe51fe81a1c7fbc823 -- 2.54.0