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SubjectRe: [PATCH v2 2/3] iommu/tegra-smmu: Rework .probe_device and .attach_dev
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30.09.2020 03:30, Nicolin Chen пишет:
> + /*
> + * IOMMU core allows -ENODEV return to carry on. So bypass any call
> + * from bus_set_iommu() during tegra_smmu_probe(), as a device will
> + * call in again via of_iommu_configure when fwspec is prepared.
> + */
> + if (!mc->smmu || !fwspec || fwspec->ops != &tegra_smmu_ops)
> return ERR_PTR(-ENODEV);

The !mc->smmu can't be true.

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