No one is using drvdata for sva_bind_device after kernel SVA support is
removed from VT-d driver. Remove the drvdata parameter as well.

Signed-off-by: Jacob Pan <jacob.jun....@linux.intel.com>
---
 drivers/dma/idxd/cdev.c                         | 2 +-
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 2 +-
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h     | 5 ++---
 drivers/iommu/intel/svm.c                       | 9 ++++-----
 drivers/iommu/iommu.c                           | 4 ++--
 drivers/misc/uacce/uacce.c                      | 2 +-
 include/linux/intel-iommu.h                     | 3 +--
 include/linux/iommu.h                           | 9 +++------
 8 files changed, 15 insertions(+), 21 deletions(-)

diff --git a/drivers/dma/idxd/cdev.c b/drivers/dma/idxd/cdev.c
index b9b2b4a4124e..312ec37ebf91 100644
--- a/drivers/dma/idxd/cdev.c
+++ b/drivers/dma/idxd/cdev.c
@@ -100,7 +100,7 @@ static int idxd_cdev_open(struct inode *inode, struct file 
*filp)
        filp->private_data = ctx;
 
        if (device_pasid_enabled(idxd)) {
-               sva = iommu_sva_bind_device(dev, current->mm, NULL);
+               sva = iommu_sva_bind_device(dev, current->mm);
                if (IS_ERR(sva)) {
                        rc = PTR_ERR(sva);
                        dev_err(dev, "pasid allocation failed: %d\n", rc);
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c 
b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
index a737ba5f727e..eb2f5cb0701a 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
@@ -354,7 +354,7 @@ __arm_smmu_sva_bind(struct device *dev, struct mm_struct 
*mm)
 }
 
 struct iommu_sva *
-arm_smmu_sva_bind(struct device *dev, struct mm_struct *mm, void *drvdata)
+arm_smmu_sva_bind(struct device *dev, struct mm_struct *mm)
 {
        struct iommu_sva *handle;
        struct iommu_domain *domain = iommu_get_domain_for_dev(dev);
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h 
b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
index cd48590ada30..d2ba86470c42 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
@@ -754,8 +754,7 @@ bool arm_smmu_master_sva_enabled(struct arm_smmu_master 
*master);
 int arm_smmu_master_enable_sva(struct arm_smmu_master *master);
 int arm_smmu_master_disable_sva(struct arm_smmu_master *master);
 bool arm_smmu_master_iopf_supported(struct arm_smmu_master *master);
-struct iommu_sva *arm_smmu_sva_bind(struct device *dev, struct mm_struct *mm,
-                                   void *drvdata);
+struct iommu_sva *arm_smmu_sva_bind(struct device *dev, struct mm_struct *mm);
 void arm_smmu_sva_unbind(struct iommu_sva *handle);
 u32 arm_smmu_sva_get_pasid(struct iommu_sva *handle);
 void arm_smmu_sva_notifier_synchronize(void);
@@ -791,7 +790,7 @@ static inline bool arm_smmu_master_iopf_supported(struct 
arm_smmu_master *master
 }
 
 static inline struct iommu_sva *
-arm_smmu_sva_bind(struct device *dev, struct mm_struct *mm, void *drvdata)
+arm_smmu_sva_bind(struct device *dev, struct mm_struct *mm)
 {
        return ERR_PTR(-ENODEV);
 }
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index 37d6218f173b..94deb58375f5 100644
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -500,8 +500,7 @@ int intel_svm_unbind_gpasid(struct device *dev, u32 pasid)
        return ret;
 }
 
-static int intel_svm_alloc_pasid(struct device *dev, struct mm_struct *mm,
-                                unsigned int flags)
+static int intel_svm_alloc_pasid(struct device *dev, struct mm_struct *mm)
 {
        ioasid_t max_pasid = dev_is_pci(dev) ?
                        pci_max_pasids(to_pci_dev(dev)) : intel_pasid_max_id;
@@ -1002,20 +1001,20 @@ static irqreturn_t prq_event_thread(int irq, void *d)
        return IRQ_RETVAL(handled);
 }
 
-struct iommu_sva *intel_svm_bind(struct device *dev, struct mm_struct *mm, 
void *drvdata)
+struct iommu_sva *intel_svm_bind(struct device *dev, struct mm_struct *mm)
 {
        struct intel_iommu *iommu = device_to_iommu(dev, NULL, NULL);
        struct iommu_sva *sva;
        int ret;
 
        mutex_lock(&pasid_mutex);
-       ret = intel_svm_alloc_pasid(dev, mm, flags);
+       ret = intel_svm_alloc_pasid(dev, mm);
        if (ret) {
                mutex_unlock(&pasid_mutex);
                return ERR_PTR(ret);
        }
 
-       sva = intel_svm_bind_mm(iommu, dev, mm, flags);
+       sva = intel_svm_bind_mm(iommu, dev, mm);
        if (IS_ERR_OR_NULL(sva))
                intel_svm_free_pasid(mm);
        mutex_unlock(&pasid_mutex);
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 107dcf5938d6..fef34879bc0c 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -3049,7 +3049,7 @@ EXPORT_SYMBOL_GPL(iommu_aux_get_pasid);
  * On error, returns an ERR_PTR value.
  */
 struct iommu_sva *
-iommu_sva_bind_device(struct device *dev, struct mm_struct *mm, void *drvdata)
+iommu_sva_bind_device(struct device *dev, struct mm_struct *mm)
 {
        struct iommu_group *group;
        struct iommu_sva *handle = ERR_PTR(-EINVAL);
@@ -3074,7 +3074,7 @@ iommu_sva_bind_device(struct device *dev, struct 
mm_struct *mm, void *drvdata)
        if (iommu_group_device_count(group) != 1)
                goto out_unlock;
 
-       handle = ops->sva_bind(dev, mm, drvdata);
+       handle = ops->sva_bind(dev, mm);
 
 out_unlock:
        mutex_unlock(&group->mutex);
diff --git a/drivers/misc/uacce/uacce.c b/drivers/misc/uacce/uacce.c
index 281c54003edc..3238a867ea51 100644
--- a/drivers/misc/uacce/uacce.c
+++ b/drivers/misc/uacce/uacce.c
@@ -99,7 +99,7 @@ static int uacce_bind_queue(struct uacce_device *uacce, 
struct uacce_queue *q)
        if (!(uacce->flags & UACCE_DEV_SVA))
                return 0;
 
-       handle = iommu_sva_bind_device(uacce->parent, current->mm, NULL);
+       handle = iommu_sva_bind_device(uacce->parent, current->mm);
        if (IS_ERR(handle))
                return PTR_ERR(handle);
 
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 3f4c98f170ec..9dc855d7479d 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -777,8 +777,7 @@ extern int intel_svm_finish_prq(struct intel_iommu *iommu);
 int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev,
                          struct iommu_gpasid_bind_data *data);
 int intel_svm_unbind_gpasid(struct device *dev, u32 pasid);
-struct iommu_sva *intel_svm_bind(struct device *dev, struct mm_struct *mm,
-                                void *drvdata);
+struct iommu_sva *intel_svm_bind(struct device *dev, struct mm_struct *mm);
 void intel_svm_unbind(struct iommu_sva *handle);
 u32 intel_svm_get_pasid(struct iommu_sva *handle);
 int intel_svm_page_response(struct device *dev, struct iommu_fault_event *evt,
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index fb011722e4f8..b570b37181ad 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -294,9 +294,7 @@ struct iommu_ops {
        int (*aux_attach_dev)(struct iommu_domain *domain, struct device *dev);
        void (*aux_detach_dev)(struct iommu_domain *domain, struct device *dev);
        int (*aux_get_pasid)(struct iommu_domain *domain, struct device *dev);
-
-       struct iommu_sva *(*sva_bind)(struct device *dev, struct mm_struct *mm,
-                                     void *drvdata);
+       struct iommu_sva *(*sva_bind)(struct device *dev, struct mm_struct *mm);
        void (*sva_unbind)(struct iommu_sva *handle);
        int (*attach_dev_pasid)(struct iommu_domain *domain,
                                struct device *dev, ioasid_t id);
@@ -705,8 +703,7 @@ void iommu_aux_detach_device(struct iommu_domain *domain, 
struct device *dev);
 int iommu_aux_get_pasid(struct iommu_domain *domain, struct device *dev);
 
 struct iommu_sva *iommu_sva_bind_device(struct device *dev,
-                                       struct mm_struct *mm,
-                                       void *drvdata);
+                                       struct mm_struct *mm);
 void iommu_sva_unbind_device(struct iommu_sva *handle);
 u32 iommu_sva_get_pasid(struct iommu_sva *handle);
 
@@ -1065,7 +1062,7 @@ iommu_aux_get_pasid(struct iommu_domain *domain, struct 
device *dev)
 }
 
 static inline struct iommu_sva *
-iommu_sva_bind_device(struct device *dev, struct mm_struct *mm, void *drvdata)
+iommu_sva_bind_device(struct device *dev, struct mm_struct *mm)
 {
        return NULL;
 }
-- 
2.25.1

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