From 1bbe04e305fb2b5127650e6f2c0dbd611e8ebb14 Mon Sep 17 00:00:00 2001 From: Heiner Kallweit Date: Wed, 14 Feb 2024 21:18:50 +0100 Subject: [PATCH] net: phy: c45: add support for EEE link partner ability 2 to genphy_c45_read_eee_lpa Add support for reading EEE link partner ability 2 register. Signed-off-by: Heiner Kallweit Signed-off-by: David S. Miller --- drivers/net/phy/phy-c45.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c index 5a245f0cc8b17..b09c6baf0c087 100644 --- a/drivers/net/phy/phy-c45.c +++ b/drivers/net/phy/phy-c45.c @@ -781,6 +781,17 @@ static int genphy_c45_read_eee_lpa(struct phy_device *phydev, mii_eee_cap1_mod_linkmode_t(lpa, val); } + if (linkmode_intersects(phydev->supported_eee, PHY_EEE_CAP2_FEATURES)) { + /* IEEE 802.3-2022 45.2.7.17 EEE link partner ability 2 + * (Register 7.63) + */ + val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE2); + if (val < 0) + return val; + + mii_eee_cap2_mod_linkmode_adv_t(lpa, val); + } + if (linkmode_test_bit(ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, phydev->supported_eee)) { /* IEEE 802.3cg-2019 45.2.7.26 10BASE-T1 AN status register -- 2.30.2