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

From: Daniel Golle
Date: Thu Oct 10 2024 - 09:08:40 EST


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@xxxxxxxxxxxxxx>
---
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