From 6f6972a24b3c9789617dfe7eaaedb6e5b688a5c5 Mon Sep 17 00:00:00 2001
From: Nipun Gupta <nipun.gupta@nxp.com>
Date: Wed, 6 Sep 2017 13:34:54 +0530
Subject: staging: fsl-dpaa2/eth: defer probe if no mc portal is found

Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>

diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
index 9978ce8..789a5e6 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
@@ -3306,7 +3306,8 @@ static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev)
 	err = fsl_mc_portal_allocate(dpni_dev, FSL_MC_IO_ATOMIC_CONTEXT_PORTAL,
 				     &priv->mc_io);
 	if (err) {
-		dev_err(dev, "MC portal allocation failed\n");
+		dev_dbg(dev, "MC portal allocation failed\n");
+		err = -EPROBE_DEFER;
 		goto err_portal_alloc;
 	}
 
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