From: Thierry Reding <tred...@nvidia.com>

Use the new standard function instead of open-coding it.

Cc: Will Deacon <w...@kernel.org>
Cc: Robin Murphy <robin.mur...@arm.com>
Acked-by: Will Deacon <w...@kernel.org>
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
 drivers/iommu/arm-smmu-v3.c | 11 +----------
 drivers/iommu/arm-smmu.c    | 11 +----------
 2 files changed, 2 insertions(+), 20 deletions(-)

diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index effe72eb89e7..7f5b74a418de 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2710,15 +2710,6 @@ static void arm_smmu_get_resv_regions(struct device *dev,
        iommu_dma_get_resv_regions(dev, head);
 }
 
-static void arm_smmu_put_resv_regions(struct device *dev,
-                                     struct list_head *head)
-{
-       struct iommu_resv_region *entry, *next;
-
-       list_for_each_entry_safe(entry, next, head, list)
-               kfree(entry);
-}
-
 static struct iommu_ops arm_smmu_ops = {
        .capable                = arm_smmu_capable,
        .domain_alloc           = arm_smmu_domain_alloc,
@@ -2736,7 +2727,7 @@ static struct iommu_ops arm_smmu_ops = {
        .domain_set_attr        = arm_smmu_domain_set_attr,
        .of_xlate               = arm_smmu_of_xlate,
        .get_resv_regions       = arm_smmu_get_resv_regions,
-       .put_resv_regions       = arm_smmu_put_resv_regions,
+       .put_resv_regions       = generic_iommu_put_resv_regions,
        .pgsize_bitmap          = -1UL, /* Restricted during device attach */
 };
 
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 31ad3fe9a6d1..7a5978bbeca8 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1576,15 +1576,6 @@ static void arm_smmu_get_resv_regions(struct device *dev,
        iommu_dma_get_resv_regions(dev, head);
 }
 
-static void arm_smmu_put_resv_regions(struct device *dev,
-                                     struct list_head *head)
-{
-       struct iommu_resv_region *entry, *next;
-
-       list_for_each_entry_safe(entry, next, head, list)
-               kfree(entry);
-}
-
 static struct iommu_ops arm_smmu_ops = {
        .capable                = arm_smmu_capable,
        .domain_alloc           = arm_smmu_domain_alloc,
@@ -1602,7 +1593,7 @@ static struct iommu_ops arm_smmu_ops = {
        .domain_set_attr        = arm_smmu_domain_set_attr,
        .of_xlate               = arm_smmu_of_xlate,
        .get_resv_regions       = arm_smmu_get_resv_regions,
-       .put_resv_regions       = arm_smmu_put_resv_regions,
+       .put_resv_regions       = generic_iommu_put_resv_regions,
        .pgsize_bitmap          = -1UL, /* Restricted during device attach */
 };
 
-- 
2.24.1

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