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-rw-r--r--drivers/iommu/amd/init.c3
-rw-r--r--drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c5
-rw-r--r--drivers/iommu/arm/arm-smmu/arm-smmu.c5
-rw-r--r--drivers/iommu/arm/arm-smmu/qcom_iommu.c5
-rw-r--r--drivers/iommu/exynos-iommu.c5
-rw-r--r--drivers/iommu/fsl_pamu_domain.c4
-rw-r--r--drivers/iommu/intel/dmar.c4
-rw-r--r--drivers/iommu/intel/iommu.c3
-rw-r--r--drivers/iommu/iommu.c19
-rw-r--r--drivers/iommu/ipmmu-vmsa.c6
-rw-r--r--drivers/iommu/msm_iommu.c5
-rw-r--r--drivers/iommu/mtk_iommu.c5
-rw-r--r--drivers/iommu/mtk_iommu_v1.c4
-rw-r--r--drivers/iommu/omap-iommu.c5
-rw-r--r--drivers/iommu/rockchip-iommu.c5
-rw-r--r--drivers/iommu/s390-iommu.c4
-rw-r--r--drivers/iommu/sprd-iommu.c5
-rw-r--r--drivers/iommu/sun50i-iommu.c5
-rw-r--r--drivers/iommu/tegra-gart.c5
-rw-r--r--drivers/iommu/tegra-smmu.c5
-rw-r--r--drivers/iommu/virtio-iommu.c5
-rw-r--r--include/linux/iommu.h30
22 files changed, 44 insertions, 98 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 54f6e99528f3..d006724f4dc2 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -1888,8 +1888,7 @@ static int __init iommu_init_pci(struct amd_iommu *iommu)
iommu_device_sysfs_add(&iommu->iommu, &iommu->dev->dev,
amd_iommu_groups, "ivhd%d", iommu->index);
- iommu_device_set_ops(&iommu->iommu, &amd_iommu_ops);
- iommu_device_register(&iommu->iommu);
+ iommu_device_register(&iommu->iommu, &amd_iommu_ops, NULL);
return pci_enable_device(iommu->dev);
}
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index bee7ce246dd2..54b2f27b81d4 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -3666,10 +3666,7 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
if (ret)
return ret;
- iommu_device_set_ops(&smmu->iommu, &arm_smmu_ops);
- iommu_device_set_fwnode(&smmu->iommu, dev->fwnode);
-
- ret = iommu_device_register(&smmu->iommu);
+ ret = iommu_device_register(&smmu->iommu, &arm_smmu_ops, dev);
if (ret) {
dev_err(dev, "Failed to register iommu\n");
return ret;
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 837a2f1816b7..6f72c4d208ca 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -2161,10 +2161,7 @@ static int arm_smmu_device_probe(struct platform_device *pdev)
return err;
}
- iommu_device_set_ops(&smmu->iommu, &arm_smmu_ops);
- iommu_device_set_fwnode(&smmu->iommu, dev->fwnode);
-
- err = iommu_device_register(&smmu->iommu);
+ err = iommu_device_register(&smmu->iommu, &arm_smmu_ops, dev);
if (err) {
dev_err(dev, "Failed to register iommu\n");
return err;
diff --git a/drivers/iommu/arm/arm-smmu/qcom_iommu.c b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
index 7f280c8d5c53..4294abe389b2 100644
--- a/drivers/iommu/arm/arm-smmu/qcom_iommu.c
+++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
@@ -847,10 +847,7 @@ static int qcom_iommu_device_probe(struct platform_device *pdev)
return ret;
}
- iommu_device_set_ops(&qcom_iommu->iommu, &qcom_iommu_ops);
- iommu_device_set_fwnode(&qcom_iommu->iommu, dev->fwnode);
-
- ret = iommu_device_register(&qcom_iommu->iommu);
+ ret = iommu_device_register(&qcom_iommu->iommu, &qcom_iommu_ops, dev);
if (ret) {
dev_err(dev, "Failed to register iommu\n");
return ret;
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 8fa9a591fb96..7623d8c371f5 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -630,10 +630,7 @@ static int exynos_sysmmu_probe(struct platform_device *pdev)
if (ret)
return ret;
- iommu_device_set_ops(&data->iommu, &exynos_iommu_ops);
- iommu_device_set_fwnode(&data->iommu, &dev->of_node->fwnode);
-
- ret = iommu_device_register(&data->iommu);
+ ret = iommu_device_register(&data->iommu, &exynos_iommu_ops, dev);
if (ret)
return ret;
diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c
index 0ac781186dbd..a47f47307109 100644
--- a/drivers/iommu/fsl_pamu_domain.c
+++ b/drivers/iommu/fsl_pamu_domain.c
@@ -474,9 +474,7 @@ int __init pamu_domain_init(void)
if (ret)
return ret;
- iommu_device_set_ops(&pamu_iommu, &fsl_pamu_ops);
-
- ret = iommu_device_register(&pamu_iommu);
+ ret = iommu_device_register(&pamu_iommu, &fsl_pamu_ops, NULL);
if (ret) {
iommu_device_sysfs_remove(&pamu_iommu);
pr_err("Can't register iommu device\n");
diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index 6971397805f3..1757ac1e1623 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -1140,9 +1140,7 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
if (err)
goto err_unmap;
- iommu_device_set_ops(&iommu->iommu, &intel_iommu_ops);
-
- err = iommu_device_register(&iommu->iommu);
+ err = iommu_device_register(&iommu->iommu, &intel_iommu_ops, NULL);
if (err)
goto err_unmap;
}
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 0e04d450c38a..708f430af1c4 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4396,8 +4396,7 @@ int __init intel_iommu_init(void)
iommu_device_sysfs_add(&iommu->iommu, NULL,
intel_iommu_groups,
"%s", iommu->name);
- iommu_device_set_ops(&iommu->iommu, &intel_iommu_ops);
- iommu_device_register(&iommu->iommu);
+ iommu_device_register(&iommu->iommu, &intel_iommu_ops, NULL);
}
up_read(&dmar_global_lock);
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index c4ad9c644802..808ab70d5df5 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -142,8 +142,25 @@ static int __init iommu_subsys_init(void)
}
subsys_initcall(iommu_subsys_init);
-int iommu_device_register(struct iommu_device *iommu)
+/**
+ * iommu_device_register() - Register an IOMMU hardware instance
+ * @iommu: IOMMU handle for the instance
+ * @ops: IOMMU ops to associate with the instance
+ * @hwdev: (optional) actual instance device, used for fwnode lookup
+ *
+ * Return: 0 on success, or an error.
+ */
+int iommu_device_register(struct iommu_device *iommu,
+ const struct iommu_ops *ops, struct device *hwdev)
{
+ /* We need to be able to take module references appropriately */
+ if (WARN_ON(is_module_address((unsigned long)ops) && !ops->owner))
+ return -EINVAL;
+
+ iommu->ops = ops;
+ if (hwdev)
+ iommu->fwnode = hwdev->fwnode;
+
spin_lock(&iommu_device_lock);
list_add_tail(&iommu->list, &iommu_device_list);
spin_unlock(&iommu_device_lock);
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index eaaec0a55cc6..aaa6a4d59057 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -1076,11 +1076,7 @@ static int ipmmu_probe(struct platform_device *pdev)
if (ret)
return ret;
- iommu_device_set_ops(&mmu->iommu, &ipmmu_ops);
- iommu_device_set_fwnode(&mmu->iommu,
- &pdev->dev.of_node->fwnode);
-
- ret = iommu_device_register(&mmu->iommu);
+ ret = iommu_device_register(&mmu->iommu, &ipmmu_ops, &pdev->dev);
if (ret)
return ret;
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
index f0ba6a09b434..7880f307cb2d 100644
--- a/drivers/iommu/msm_iommu.c
+++ b/drivers/iommu/msm_iommu.c
@@ -792,10 +792,7 @@ static int msm_iommu_probe(struct platform_device *pdev)
goto fail;
}
- iommu_device_set_ops(&iommu->iommu, &msm_iommu_ops);
- iommu_device_set_fwnode(&iommu->iommu, &pdev->dev.of_node->fwnode);
-
- ret = iommu_device_register(&iommu->iommu);
+ ret = iommu_device_register(&iommu->iommu, &msm_iommu_ops, &pdev->dev);
if (ret) {
pr_err("Could not register msm-smmu at %pa\n", &ioaddr);
goto fail;
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index cdda3a85fc08..e06b8a0e2b56 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -892,10 +892,7 @@ static int mtk_iommu_probe(struct platform_device *pdev)
if (ret)
goto out_link_remove;
- iommu_device_set_ops(&data->iommu, &mtk_iommu_ops);
- iommu_device_set_fwnode(&data->iommu, &pdev->dev.of_node->fwnode);
-
- ret = iommu_device_register(&data->iommu);
+ ret = iommu_device_register(&data->iommu, &mtk_iommu_ops, dev);
if (ret)
goto out_sysfs_remove;
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
index 8ba9a2ec5509..5915d7b38211 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -616,9 +616,7 @@ static int mtk_iommu_probe(struct platform_device *pdev)
if (ret)
return ret;
- iommu_device_set_ops(&data->iommu, &mtk_iommu_ops);
-
- ret = iommu_device_register(&data->iommu);
+ ret = iommu_device_register(&data->iommu, &mtk_iommu_ops, dev);
if (ret)
goto out_sysfs_remove;
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index 71f29c0927fc..26e517eb0dd3 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1235,10 +1235,7 @@ static int omap_iommu_probe(struct platform_device *pdev)
if (err)
goto out_group;
- iommu_device_set_ops(&obj->iommu, &omap_iommu_ops);
- iommu_device_set_fwnode(&obj->iommu, &of->fwnode);
-
- err = iommu_device_register(&obj->iommu);
+ err = iommu_device_register(&obj->iommu, &omap_iommu_ops, &pdev->dev);
if (err)
goto out_sysfs;
}
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index e5d86b7177de..7a2932772fdf 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1196,10 +1196,7 @@ static int rk_iommu_probe(struct platform_device *pdev)
if (err)
goto err_put_group;
- iommu_device_set_ops(&iommu->iommu, &rk_iommu_ops);
- iommu_device_set_fwnode(&iommu->iommu, &dev->of_node->fwnode);
-
- err = iommu_device_register(&iommu->iommu);
+ err = iommu_device_register(&iommu->iommu, &rk_iommu_ops, dev);
if (err)
goto err_remove_sysfs;
diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c
index 8895dbb705eb..6019e58ce4fb 100644
--- a/drivers/iommu/s390-iommu.c
+++ b/drivers/iommu/s390-iommu.c
@@ -333,9 +333,7 @@ int zpci_init_iommu(struct zpci_dev *zdev)
if (rc)
goto out_err;
- iommu_device_set_ops(&zdev->iommu_dev, &s390_iommu_ops);
-
- rc = iommu_device_register(&zdev->iommu_dev);
+ rc = iommu_device_register(&zdev->iommu_dev, &s390_iommu_ops, NULL);
if (rc)
goto out_sysfs;
diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c
index 89272f9fd8f3..73dfd9946312 100644
--- a/drivers/iommu/sprd-iommu.c
+++ b/drivers/iommu/sprd-iommu.c
@@ -508,10 +508,7 @@ static int sprd_iommu_probe(struct platform_device *pdev)
if (ret)
goto put_group;
- iommu_device_set_ops(&sdev->iommu, &sprd_iommu_ops);
- iommu_device_set_fwnode(&sdev->iommu, &dev->of_node->fwnode);
-
- ret = iommu_device_register(&sdev->iommu);
+ ret = iommu_device_register(&sdev->iommu, &sprd_iommu_ops, dev);
if (ret)
goto remove_sysfs;
diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
index ea6db1341916..181bb1c3437c 100644
--- a/drivers/iommu/sun50i-iommu.c
+++ b/drivers/iommu/sun50i-iommu.c
@@ -968,10 +968,7 @@ static int sun50i_iommu_probe(struct platform_device *pdev)
if (ret)
goto err_free_group;
- iommu_device_set_ops(&iommu->iommu, &sun50i_iommu_ops);
- iommu_device_set_fwnode(&iommu->iommu, &pdev->dev.of_node->fwnode);
-
- ret = iommu_device_register(&iommu->iommu);
+ ret = iommu_device_register(&iommu->iommu, &sun50i_iommu_ops, &pdev->dev);
if (ret)
goto err_remove_sysfs;
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index 6f130e51f072..6a358f92c7e5 100644
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -353,10 +353,7 @@ struct gart_device *tegra_gart_probe(struct device *dev, struct tegra_mc *mc)
if (err)
goto free_gart;
- iommu_device_set_ops(&gart->iommu, &gart_iommu_ops);
- iommu_device_set_fwnode(&gart->iommu, dev->fwnode);
-
- err = iommu_device_register(&gart->iommu);
+ err = iommu_device_register(&gart->iommu, &gart_iommu_ops, dev);
if (err)
goto remove_sysfs;
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 602aab98c079..1e98dc63ad13 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -1145,10 +1145,7 @@ struct tegra_smmu *tegra_smmu_probe(struct device *dev,
if (err)
return ERR_PTR(err);
- iommu_device_set_ops(&smmu->iommu, &tegra_smmu_ops);
- iommu_device_set_fwnode(&smmu->iommu, dev->fwnode);
-
- err = iommu_device_register(&smmu->iommu);
+ err = iommu_device_register(&smmu->iommu, &tegra_smmu_ops, dev);
if (err)
goto remove_sysfs;
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index 594ed827e944..7c02481a81b4 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -1066,10 +1066,7 @@ static int viommu_probe(struct virtio_device *vdev)
if (ret)
goto err_free_vqs;
- iommu_device_set_ops(&viommu->iommu, &viommu_ops);
- iommu_device_set_fwnode(&viommu->iommu, parent_dev->fwnode);
-
- iommu_device_register(&viommu->iommu);
+ iommu_device_register(&viommu->iommu, &viommu_ops, parent_dev);
#ifdef CONFIG_PCI
if (pci_bus_type.iommu_ops != &viommu_ops) {
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index ce904cf4e774..32d448050bf7 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -350,7 +350,9 @@ struct dev_iommu {
void *priv;
};
-int iommu_device_register(struct iommu_device *iommu);
+int iommu_device_register(struct iommu_device *iommu,
+ const struct iommu_ops *ops,
+ struct device *hwdev);
void iommu_device_unregister(struct iommu_device *iommu);
int iommu_device_sysfs_add(struct iommu_device *iommu,
struct device *parent,
@@ -361,18 +363,6 @@ int iommu_device_link(struct iommu_device *iommu, struct device *link);
void iommu_device_unlink(struct iommu_device *iommu, struct device *link);
int iommu_deferred_attach(struct device *dev, struct iommu_domain *domain);
-static inline void iommu_device_set_ops(struct iommu_device *iommu,
- const struct iommu_ops *ops)
-{
- iommu->ops = ops;
-}
-
-static inline void iommu_device_set_fwnode(struct iommu_device *iommu,
- struct fwnode_handle *fwnode)
-{
- iommu->fwnode = fwnode;
-}
-
static inline struct iommu_device *dev_to_iommu_device(struct device *dev)
{
return (struct iommu_device *)dev_get_drvdata(dev);
@@ -858,21 +848,13 @@ static inline int iommu_set_pgtable_quirks(struct iommu_domain *domain,
return 0;
}
-static inline int iommu_device_register(struct iommu_device *iommu)
+static inline int iommu_device_register(struct iommu_device *iommu,
+ const struct iommu_ops *ops,
+ struct device *hwdev)
{
return -ENODEV;
}
-static inline void iommu_device_set_ops(struct iommu_device *iommu,
- const struct iommu_ops *ops)
-{
-}
-
-static inline void iommu_device_set_fwnode(struct iommu_device *iommu,
- struct fwnode_handle *fwnode)
-{
-}
-
static inline struct iommu_device *dev_to_iommu_device(struct device *dev)
{
return NULL;
generated by cgit (git 2.34.1) at 2024-05-22 12:35:28 +0000