This will be reused in a new nested.c file for nested translation.

Also, remove unused function parameter ptr.

Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
---
 drivers/iommu/amd/amd_iommu.h |  8 ++++++++
 drivers/iommu/amd/iommu.c     | 13 ++-----------
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h
index b742ef1adb35..8eb5e9857079 100644
--- a/drivers/iommu/amd/amd_iommu.h
+++ b/drivers/iommu/amd/amd_iommu.h
@@ -190,4 +190,12 @@ void amd_iommu_domain_set_pgtable(struct protection_domain *domain,
 struct dev_table_entry *get_dev_table(struct amd_iommu *iommu);
 struct iommu_dev_data *search_dev_data(struct amd_iommu *iommu, u16 devid);
 
+static inline void
+amd_iommu_make_clear_dte(struct iommu_dev_data *dev_data, struct dev_table_entry *new)
+{
+	/* All existing DTE must have V bit set */
+	new->data128[0] = DTE_FLAG_V;
+	new->data128[1] = 0;
+}
+
 #endif /* AMD_IOMMU_H */
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 2ab0f3c98425..ded8d4ba86e3 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -2011,14 +2011,6 @@ int amd_iommu_clear_gcr3(struct iommu_dev_data *dev_data, ioasid_t pasid)
 	return ret;
 }
 
-static void make_clear_dte(struct iommu_dev_data *dev_data, struct dev_table_entry *ptr,
-			   struct dev_table_entry *new)
-{
-	/* All existing DTE must have V bit set */
-	new->data128[0] = DTE_FLAG_V;
-	new->data128[1] = 0;
-}
-
 /*
  * Note:
  * The old value for GCR3 table and GPT have been cleared from caller.
@@ -2068,7 +2060,7 @@ static void set_dte_entry(struct amd_iommu *iommu,
 	struct dev_table_entry *dte = &get_dev_table(iommu)[dev_data->devid];
 	struct pt_iommu_amdv1_hw_info pt_info;
 
-	make_clear_dte(dev_data, dte, &new);
+	amd_iommu_make_clear_dte(dev_data, &new);
 
 	if (gcr3_info && gcr3_info->gcr3_tbl)
 		domid = dev_data->gcr3_info.domid;
@@ -2149,9 +2141,8 @@ static void set_dte_entry(struct amd_iommu *iommu,
 static void clear_dte_entry(struct amd_iommu *iommu, struct iommu_dev_data *dev_data)
 {
 	struct dev_table_entry new = {};
-	struct dev_table_entry *dte = &get_dev_table(iommu)[dev_data->devid];
 
-	make_clear_dte(dev_data, dte, &new);
+	amd_iommu_make_clear_dte(dev_data, &new);
 	update_dte256(iommu, dev_data, &new);
 }
 
-- 
2.34.1