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path: root/drivers/iommu/of_iommu.c
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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;
}