Hi Robin,
[..]
>>> +const struct iommu_ops *of_iommu_configure(struct device *dev,
>>> + struct device_node *master_np)
>>> +{
>>> + const struct iommu_ops *ops;
>>> +
>>> + if (!master_np)
>>> + return NULL;
>>> +
>>> + if (dev_is_pci(dev))
>>> + ops = of_pci_iommu_init(to_pci_dev(dev), master_np);
>>
>> I gave the whole patch set a try on ThunderX. really_probe() is failing
>> on dma_configure()->of_pci_iommu_init() for each PCI device.
>
>When you say "failing", do you mean cleanly, or with a crash? I've
>managed to hit __of_match_node() dereferencing NULL from
>of_iommu_xlate() in a horribly complicated chain of events, which I'm
>trying to figure out now, and I wonder if the two might be related.
Sorry that there is crash still. __of_match_node seems to checking
for NULL arguments , feels like some invalid pointer was passed in.
Is there any particular sequence to try for this ?
Regards,
Sricharan
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