[PATCH net-next] dpaa2-eth: don't print error from dpaa2_mac_connect if that's EPROBE_DEFER

[Vladimir Oltean <olteanv@gmail.com>]

From: Vladimir Oltean <vladimir.oltean@nxp.com>

When booting a board with DPAA2 interfaces defined statically via DPL
(as opposed to creating them dynamically using restool), the driver will
print an unspecific error message.

This change adds the error code to the message, and avoids printing
altogether if the error code is EPROBE_DEFER, because that is not a
cause of alarm.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index e0c3c58e2ac7..8433aa730c42 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -4164,10 +4164,11 @@ static int dpaa2_eth_connect_mac(struct dpaa2_eth_priv *priv)
 
 	if (dpaa2_eth_is_type_phy(priv)) {
 		err = dpaa2_mac_connect(mac);
-		if (err) {
-			netdev_err(priv->net_dev, "Error connecting to the MAC endpoint\n");
+		if (err && err != -EPROBE_DEFER)
+			netdev_err(priv->net_dev, "Error connecting to the MAC endpoint: %pe",
+				   ERR_PTR(err));
+		if (err)
 			goto err_close_mac;
-		}
 	}
 
 	return 0;
-- 
2.25.1