iommu_fwspec_init
ret = iommu_fwspec_init(dev, fwnode);
err = iommu_fwspec_init(dev, NULL);
EXPORT_SYMBOL_GPL(iommu_fwspec_init);
rc = iommu_fwspec_init(dev, iommu->fwnode);
ret = iommu_fwspec_init(dev, of_fwnode_handle(args->np));
ret = iommu_fwspec_init(dev, of_fwnode_handle(iommu_spec->np));
err = iommu_fwspec_init(dev, dev_fwnode(smmu->dev));
int iommu_fwspec_init(struct device *dev, struct fwnode_handle *iommu_fwnode);