[PATCH v2 2/5] iommu: arm: Use iommu_put_resv_regions_simple()

From: Thierry Reding
Date: Mon Dec 09 2019 - 09:50:26 EST


From: Thierry Reding <treding@xxxxxxxxxx>

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

Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Robin Murphy <robin.murphy@xxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
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..eebf6086080f 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 = iommu_put_resv_regions_simple,
.pgsize_bitmap = -1UL, /* Restricted during device attach */
};

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 31ad3fe9a6d1..d1aef07bb784 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 = iommu_put_resv_regions_simple,
.pgsize_bitmap = -1UL, /* Restricted during device attach */
};

--
2.23.0