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30 lines
1006 B
Diff
30 lines
1006 B
Diff
From ac03137b2283c45ad0538188728d9691fa7a4883 Mon Sep 17 00:00:00 2001
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From: Razvan Stefanescu <razvan.stefanescu@nxp.com>
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Date: Mon, 30 Apr 2018 11:27:27 +0300
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Subject: [PATCH] staging: dpaa2-evb: Defer probe if no mc portal is found
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Signed-off-by: Razvan Stefanescu <razvan.stefanescu@nxp.com>
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---
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drivers/staging/fsl-dpaa2/evb/evb.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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--- a/drivers/staging/fsl-dpaa2/evb/evb.c
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+++ b/drivers/staging/fsl-dpaa2/evb/evb.c
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@@ -1206,10 +1206,14 @@ static int evb_probe(struct fsl_mc_devic
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err = fsl_mc_portal_allocate(evb_dev, FSL_MC_IO_ATOMIC_CONTEXT_PORTAL,
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&priv->mc_io);
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- if (unlikely(err)) {
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- dev_err(dev, "fsl_mc_portal_allocate err %d\n", err);
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+ if (err) {
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+ if (err == -ENXIO)
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+ err = -EPROBE_DEFER;
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+ else
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+ dev_err(dev, "fsl_mc_portal_allocate err %d\n", err);
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goto err_free_netdev;
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}
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+
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if (!priv->mc_io) {
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dev_err(dev, "fsl_mc_portal_allocate returned null handle but no error\n");
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err = -EFAULT;
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