@@ -1449,6 +1449,25 @@ static int ksz9477_set_eee(struct phy_device *phydev, struct ethtool_eee *data)
return 0;
}
+static int ksz9477_config_init(struct phy_device *phydev)
+{
+ int ret;
+
+ /* KSZ8563 is able to advertise not supported MDIO_EEE_1000T.
+ * We need to test if the PHY is 1Gbit capable and
+ * clear MDIO_EEE_1000T if needed.
+ */
+ if (!linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+ phydev->supported)) {
+ ret = phy_clear_bits_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV,
+ MDIO_EEE_1000T);
+ if (ret)
+ return ret;
+ }
+
+ return kszphy_config_init(phydev);
+}
+
#define KSZ8873MLL_GLOBAL_CONTROL_4 0x06
#define KSZ8873MLL_GLOBAL_CONTROL_4_DUPLEX BIT(6)
#define KSZ8873MLL_GLOBAL_CONTROL_4_SPEED BIT(4)
@@ -3496,7 +3515,7 @@ static struct phy_driver ksphy_driver[] = {
.phy_id_mask = MICREL_PHY_ID_MASK,
.name = "Microchip KSZ9477",
/* PHY_GBIT_FEATURES */
- .config_init = kszphy_config_init,
+ .config_init = ksz9477_config_init,
.config_intr = kszphy_config_intr,
.handle_interrupt = kszphy_handle_interrupt,
.suspend = genphy_suspend,
KSZ8563 is announcing by default 1000Mbit EEE support, but at same time do not supporting 1000Mbit speed. This patch will disable 1000Mbit EEE advertisement if the PHY is not 1000Mbit capable. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> --- drivers/net/phy/micrel.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-)