If a dt mdio entry has been added least assume that we wont
search for phys attached. The DT and of_mdiobus_register already do
this. This stops DSA phys being found and phys created for them, as
this is handled by the DSA driver.

Signed-off-by: Phil Reid <pr...@electromag.com.au>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index 3f5512f..06704ca 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -235,6 +235,9 @@ int stmmac_mdio_register(struct net_device *ndev)
                goto bus_register_fail;
        }
 
+       if (priv->plat->phy_node || mdio_node)
+               goto bus_register_done;
+
        found = 0;
        for (addr = 0; addr < PHY_MAX_ADDR; addr++) {
                struct phy_device *phydev = mdiobus_get_phy(new_bus, addr);
@@ -290,6 +293,7 @@ int stmmac_mdio_register(struct net_device *ndev)
                return -ENODEV;
        }
 
+bus_register_done:
        priv->mii = new_bus;
 
        return 0;
-- 
1.8.3.1

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