iommu/tegra-smmu: Pass correct fwnode to iommu_fwspec_init()

iommu_fwspec_init() expects to receive the fwnode corresponding to the
IOMMU device, not the fwnode corresponding to the client device being
probed.

Fix arm_smmu_configure() to pass the correct fwnode to
iommu_fwspec_init().

Reported-by: Jon Hunter <[email protected]>
Suggested-by: Robin Murphy <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>

Author: willdeacon

drivers/iommu/tegra-smmu.c

@@ -837,7 +837,7 @@ static int tegra_smmu_configure(struct tegra_smmu *smmu, struct device *dev,
 	const struct iommu_ops *ops = smmu->iommu.ops;
 	int err;
 
-	err = iommu_fwspec_init(dev, &dev->of_node->fwnode, ops);
+	err = iommu_fwspec_init(dev, &smmu->dev->of_node->fwnode, ops);
 	if (err < 0) {
 		dev_err(dev, "failed to initialize fwspec: %d\n", err);
 		return err;