From: Jose Abreu Jose.Abreu@synopsys.com
[ Upstream commit da29f2d84bd10234df570b7f07cbd0166e738230 ]
When using fixed link we don't need the MDIO bus support.
Reported-by: Heiko Stuebner heiko@sntech.de Reported-by: kernelci.org bot bot@kernelci.org Fixes: d3e014ec7d5e ("net: stmmac: platform: Fix MDIO init for platforms without PHY") Signed-off-by: Jose Abreu Jose.Abreu@synopsys.com Acked-by: Sriram Dash Sriram.dash@samsung.com Tested-by: Patrice Chotard patrice.chotard@st.com Tested-by: Heiko Stuebner heiko@sntech.de Acked-by: Neil Armstrong narmstrong@baylibre.com Reviewed-by: Florian Fainelli f.fainelli@gmail.com Tested-by: Florian Fainelli f.fainelli@gmail # Lamobo R1 (fixed-link + MDIO sub node for roboswitch). Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -320,7 +320,7 @@ out: static int stmmac_dt_phy(struct plat_stmmacenet_data *plat, struct device_node *np, struct device *dev) { - bool mdio = false; + bool mdio = !of_phy_is_fixed_link(np); static const struct of_device_id need_mdio_ids[] = { { .compatible = "snps,dwc-qos-ethernet-4.10" }, {},