diff options
Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
| -rw-r--r-- | drivers/iommu/tegra-smmu.c | 29 |
1 files changed, 6 insertions, 23 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 2a8de975fe63..5b1af40221ec 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -1083,8 +1083,8 @@ struct tegra_smmu *tegra_smmu_probe(struct device *dev, /* * This is a bit of a hack. Ideally we'd want to simply return this - * value. However the IOMMU registration process will attempt to add - * all devices to the IOMMU when bus_set_iommu() is called. In order + * value. However iommu_device_register() will attempt to add + * all devices to the IOMMU before we get that far. In order * not to rely on global variables to track the IOMMU instance, we * set it here so that it can be looked up from the .probe_device() * callback via the IOMMU device's .drvdata field. @@ -1138,32 +1138,15 @@ struct tegra_smmu *tegra_smmu_probe(struct device *dev, return ERR_PTR(err); err = iommu_device_register(&smmu->iommu, &tegra_smmu_ops, dev); - if (err) - goto remove_sysfs; - - err = bus_set_iommu(&platform_bus_type, &tegra_smmu_ops); - if (err < 0) - goto unregister; - -#ifdef CONFIG_PCI - err = bus_set_iommu(&pci_bus_type, &tegra_smmu_ops); - if (err < 0) - goto unset_platform_bus; -#endif + if (err) { + iommu_device_sysfs_remove(&smmu->iommu); + return ERR_PTR(err); + } if (IS_ENABLED(CONFIG_DEBUG_FS)) tegra_smmu_debugfs_init(smmu); return smmu; - -unset_platform_bus: __maybe_unused; - bus_set_iommu(&platform_bus_type, NULL); -unregister: - iommu_device_unregister(&smmu->iommu); -remove_sysfs: - iommu_device_sysfs_remove(&smmu->iommu); - - return ERR_PTR(err); } void tegra_smmu_remove(struct tegra_smmu *smmu) |