net: emaclite: Report failures in mdio setup

Be more verbose when any problem happens.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 919b983114e9..a16dc3508998 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -852,8 +852,10 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
         /* Don't register the MDIO bus if the phy_node or its parent node
          * can't be found.
          */
-        if (!np)
+        if (!np) {
+                dev_err(dev, "Failed to register mdio bus.\n");
                 return -ENODEV;
+        }
 
         /* Enable the MDIO bus by asserting the enable bit in MDIO Control
          * register.
@@ -862,8 +864,10 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
                  XEL_MDIOCTRL_MDIOEN_MASK);
 
         bus = mdiobus_alloc();
-        if (!bus)
+        if (!bus) {
+                dev_err(dev, "Failed to allocal mdiobus\n");
                 return -ENOMEM;
+        }
 
         of_address_to_resource(np, 0, &res);
         snprintf(bus->id, MII_BUS_ID_SIZE, "%.8llx",
@@ -879,8 +883,10 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
         lp->mii_bus = bus;
 
         rc = of_mdiobus_register(bus, np);
-        if (rc)
+        if (rc) {
+                dev_err(dev, "Failed to register mdio bus.\n");
                 goto err_register;
+        }
 
         return 0;