RK3528 gmac0 dtsi contains: gmac0: ethernet@ffbd0000 { phy-handle = <&rmii0_phy>; phy-mode = "rmii"; mdio0: mdio { rmii0_phy: ethernet-phy@2 { phy-is-integrated; }; }; }; This follows the same pattern as rk3328, where this gmac instance only supports RMII. Disable RGMII in phylink's supported_interfaces mask for this gmac instance. Signed-off-by: Russell King (Oracle) --- drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c index 109ed62fb04c..d99e77211b95 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -715,6 +715,7 @@ static int rk3528_init(struct rk_priv_data *bsp_priv) case 0: bsp_priv->clock_grf_reg = RK3528_VO_GRF_GMAC_CON; bsp_priv->clock.rmii_clk_sel_mask = BIT_U16(3); + bsp_priv->supports_rgmii = false; return 0; case 1: -- 2.47.3