diff options
Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
| -rw-r--r-- | drivers/iommu/tegra-smmu.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index e900e3c46903..1fea68e551f1 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -272,11 +272,6 @@ static void tegra_smmu_free_asid(struct tegra_smmu *smmu, unsigned int id) clear_bit(id, smmu->asids); } -static bool tegra_smmu_capable(enum iommu_cap cap) -{ - return false; -} - static struct iommu_domain *tegra_smmu_domain_alloc(unsigned type) { struct tegra_smmu_as *as; @@ -808,8 +803,10 @@ static struct tegra_smmu *tegra_smmu_find(struct device_node *np) return NULL; mc = platform_get_drvdata(pdev); - if (!mc) + if (!mc) { + put_device(&pdev->dev); return NULL; + } return mc->smmu; } @@ -967,19 +964,20 @@ static int tegra_smmu_of_xlate(struct device *dev, } static const struct iommu_ops tegra_smmu_ops = { - .capable = tegra_smmu_capable, .domain_alloc = tegra_smmu_domain_alloc, - .domain_free = tegra_smmu_domain_free, - .attach_dev = tegra_smmu_attach_dev, - .detach_dev = tegra_smmu_detach_dev, .probe_device = tegra_smmu_probe_device, .release_device = tegra_smmu_release_device, .device_group = tegra_smmu_device_group, - .map = tegra_smmu_map, - .unmap = tegra_smmu_unmap, - .iova_to_phys = tegra_smmu_iova_to_phys, .of_xlate = tegra_smmu_of_xlate, .pgsize_bitmap = SZ_4K, + .default_domain_ops = &(const struct iommu_domain_ops) { + .attach_dev = tegra_smmu_attach_dev, + .detach_dev = tegra_smmu_detach_dev, + .map = tegra_smmu_map, + .unmap = tegra_smmu_unmap, + .iova_to_phys = tegra_smmu_iova_to_phys, + .free = tegra_smmu_domain_free, + } }; static void tegra_smmu_ahb_enable(void) |