summaryrefslogtreecommitdiff
path: root/drivers/iommu/of_iommu.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2017-06-16 13:58:27 +1000
committerDave Airlie <airlied@redhat.com>2017-06-16 13:58:27 +1000
commit925344ccc91d7a7fd84cab2dece1c34bbd86fd8c (patch)
treebd4110dc5a3b70a5674b9d6d5340cc1889f5d6e8 /drivers/iommu/of_iommu.c
parenta6821698918a579e7219d706092e83f367f01ba2 (diff)
parent32c1431eea4881a6b17bd7c639315010aeefa452 (diff)
downloadlinux-925344ccc91d7a7fd84cab2dece1c34bbd86fd8c.tar.gz
linux-925344ccc91d7a7fd84cab2dece1c34bbd86fd8c.tar.bz2
linux-925344ccc91d7a7fd84cab2dece1c34bbd86fd8c.zip
BackMerge tag 'v4.12-rc5' into drm-next
Linux 4.12-rc5 for nouveau fixes
Diffstat (limited to 'drivers/iommu/of_iommu.c')
-rw-r--r--drivers/iommu/of_iommu.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index 9f44ee8ea1bc..19779b88a479 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -118,6 +118,7 @@ static const struct iommu_ops
ops = iommu_ops_from_fwnode(fwnode);
if ((ops && !ops->of_xlate) ||
+ !of_device_is_available(iommu_spec->np) ||
(!ops && !of_iommu_driver_present(iommu_spec->np)))
return NULL;
@@ -236,6 +237,12 @@ const struct iommu_ops *of_iommu_configure(struct device *dev,
ops = ERR_PTR(err);
}
+ /* Ignore all other errors apart from EPROBE_DEFER */
+ if (IS_ERR(ops) && (PTR_ERR(ops) != -EPROBE_DEFER)) {
+ dev_dbg(dev, "Adding to IOMMU failed: %ld\n", PTR_ERR(ops));
+ ops = NULL;
+ }
+
return ops;
}