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[v2,1/6] net: emaclite: Report failures in mdio setup

Message ID 286fceaa6f4268594b89707d6e5d9ce5bd309c2d.1369909618.git.michal.simek@xilinx.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Michal Simek May 30, 2013, 10:28 a.m. UTC 
Be more verbose when any problem happens.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
Changes in v2: None

 drivers/net/ethernet/xilinx/xilinx_emaclite.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

--
1.8.2.3
diff mbox

Patch

diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 919b983..a16dc35 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;