Re: [PATCH v2 2/3] iommu/tegra-smmu: Rework .probe_device and .attach_dev

[Dmitry Osipenko]

30.09.2020 03:30, Nicolin Chen пишет:
> +     /* An invalid mc pointer means mc and smmu drivers are not ready */
> +     if (IS_ERR_OR_NULL(mc))

tegra_get_memory_controller() doesn't return NULL.

> +             return ERR_PTR(-EPROBE_DEFER);