The SmartEEE functionality can cause strange connection issues. Disable it unconditional and leave it to the OS to enable it again.
Signed-off-by: Marco Felsch <[email protected]> --- v2: - always disable smarteee (afa) - adapt commit message drivers/net/phy/at803x.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index f0a14799234b..2e3e57b27ee6 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -59,6 +59,9 @@ */ #define AT8035_CLK_OUT_MASK GENMASK(4, 3) +#define AT803X_MMD3_SMARTEEE_CTL3 0x805d +#define AT803X_MMD3_SMARTEEE_CTL3_LPI_EN BIT(8) + #define AT803X_CLK_OUT_STRENGTH_MASK GENMASK(8, 7) #define AT803X_CLK_OUT_STRENGTH_FULL 0 #define AT803X_CLK_OUT_STRENGTH_HALF 1 @@ -221,6 +224,12 @@ static int at803x_probe(struct phy_device *phydev) return at803x_parse_dt(phydev); } +static int at803x_smarteee_config(struct phy_device *phydev) +{ + return phy_modify_mmd(phydev, MDIO_MMD_PCS, AT803X_MMD3_SMARTEEE_CTL3, + AT803X_MMD3_SMARTEEE_CTL3_LPI_EN, 0); +} + static int at803x_clk_out_config(struct phy_device *phydev) { struct at803x_priv *priv = phydev->priv; @@ -270,7 +279,15 @@ static int at803x_config_init(struct phy_device *phydev) if (ret < 0) return ret; - return at803x_clk_out_config(phydev); + ret = at803x_smarteee_config(phydev); + if (ret < 0) + return ret; + + ret = at803x_clk_out_config(phydev); + if (ret < 0) + return ret; + + return 0; } static struct phy_driver at803x_driver[] = { -- 2.39.2
