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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Daniel Golle , Vladimir Oltean , Aleksander Jan Bajkowski , Markus Stockhausen , Jan Hoffmann , Issam Hamdi , Chukun Pan , "Russell King (Oracle)" , ChunHao Lin , linux-kernel@vger.kernel.org Subject: [PATCH net v2] net: phy: realtek: Clear MDIO_AN_10GBT_CTRL_ADV10G bit Date: Sat, 20 Jun 2026 03:19:53 +0200 Message-ID: <20260620011956.37181-1-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(). Fixes: 83d962316128 ("net: phy: realtek: add RTL8127-internal PHY") Reviewed-by: Maxime Chevallier Signed-off-by: Jan Klos --- v2: Patch formalities (rebase, tree name, tags, ccs) 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; } -- 2.54.0