The emac include MDIO controller, and the motherboard has more than one PHY connected to an MDIO bus. So share the shared mii_bus for others MAC device that not has MDIO bus connected. Tested: QDF2400 (ACPI), buildin/insmod/rmmod V2: - Separate patch. - bindings: s/Since QDF2400 emac/Since emac/ Wang Dongsheng (4): net: qcom/emac: split phy_config to mdio bus create and get phy device dt-bindings: net: qcom: Add binding for shared mdio bus net: qcom/emac: add of shared mdio bus support net: qcom/emac: add acpi shared mdio bus support .../devicetree/bindings/net/qcom-emac.txt | 4 + drivers/net/ethernet/qualcomm/emac/emac-phy.c | 207 ++++++++++++++---- drivers/net/ethernet/qualcomm/emac/emac.c | 8 +- 3 files changed, 175 insertions(+), 44 deletions(-) -- 2.18.0