blob: d95ecf8a906fb3dd2d80808bfedcd1f25cf03b09 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
From ac03137b2283c45ad0538188728d9691fa7a4883 Mon Sep 17 00:00:00 2001
From: Razvan Stefanescu <razvan.stefanescu@nxp.com>
Date: Mon, 30 Apr 2018 11:27:27 +0300
Subject: [PATCH] staging: dpaa2-evb: Defer probe if no mc portal is found
Signed-off-by: Razvan Stefanescu <razvan.stefanescu@nxp.com>
---
drivers/staging/fsl-dpaa2/evb/evb.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
--- a/drivers/staging/fsl-dpaa2/evb/evb.c
+++ b/drivers/staging/fsl-dpaa2/evb/evb.c
@@ -1206,10 +1206,14 @@ static int evb_probe(struct fsl_mc_devic
err = fsl_mc_portal_allocate(evb_dev, FSL_MC_IO_ATOMIC_CONTEXT_PORTAL,
&priv->mc_io);
- if (unlikely(err)) {
- dev_err(dev, "fsl_mc_portal_allocate err %d\n", err);
+ if (err) {
+ if (err == -ENXIO)
+ err = -EPROBE_DEFER;
+ else
+ dev_err(dev, "fsl_mc_portal_allocate err %d\n", err);
goto err_free_netdev;
}
+
if (!priv->mc_io) {
dev_err(dev, "fsl_mc_portal_allocate returned null handle but no error\n");
err = -EFAULT;
|
