From f058b2dd70b1a5503dff899010aeb53b436091e5 Mon Sep 17 00:00:00 2001 From: Robert Marko Date: Wed, 28 Feb 2024 18:24:09 +0100 Subject: [PATCH 1/2] net: phy: qcom: qca808x: add helper for checking for 1G only model There are 2 versions of QCA808x, one 2.5G capable and one 1G capable. Currently, this matter only in the .get_features call however, it will be required for filling supported interface modes so lets add a helper that can be reused. Signed-off-by: Robert Marko Signed-off-by: David S. Miller --- drivers/net/phy/qcom/qca808x.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) --- a/drivers/net/phy/qcom/qca808x.c +++ b/drivers/net/phy/qcom/qca808x.c @@ -156,6 +156,17 @@ static bool qca808x_has_fast_retrain_or_ return linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported); } +static bool qca808x_is_1g_only(struct phy_device *phydev) +{ + int ret; + + ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE); + if (ret < 0) + return true; + + return !!(QCA808X_PHY_CHIP_TYPE_1G & ret); +} + static int qca808x_probe(struct phy_device *phydev) { struct device *dev = &phydev->mdio.dev; @@ -350,11 +361,7 @@ static int qca808x_get_features(struct p * existed in the bit0 of MMD1.21, we need to remove it manually if * it is the qca8081 1G chip according to the bit0 of MMD7.0x901d. */ - ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE); - if (ret < 0) - return ret; - - if (QCA808X_PHY_CHIP_TYPE_1G & ret) + if (qca808x_is_1g_only(phydev)) linkmode_clear_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported); return 0;