net/fsl: enable extended scanning in xgmac_mdio

Since we know the xgmac hardware always has a c45
compliant bus, let's try scanning for c22 capable
PHYs first. If we fail to find any, then it will
fall back to c45 automatically.

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Calvin Johnson <calvin.johnson@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index b4ed5f8..98be51d 100644 (file)
--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
+++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
@@ -268,6 +268,7 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
        bus->read = xgmac_mdio_read;
        bus->write = xgmac_mdio_write;
        bus->parent = &pdev->dev;
+       bus->probe_capabilities = MDIOBUS_C22_C45;
        snprintf(bus->id, MII_BUS_ID_SIZE, "%pa", &res->start);
 
        /* Set the PHY base address */