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-rw-r--r--drivers/iommu/io-pgtable-arm-v7s.c2
-rw-r--r--drivers/iommu/io-pgtable-arm.c2
-rw-r--r--include/linux/iommu.h10
3 files changed, 12 insertions, 2 deletions
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index e84478d39705..bfb6acb651e5 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -700,7 +700,7 @@ static size_t __arm_v7s_unmap(struct arm_v7s_io_pgtable *data,
ARM_V7S_BLOCK_SIZE(lvl + 1));
ptep = iopte_deref(pte[i], lvl, data);
__arm_v7s_free_table(ptep, lvl + 1, data);
- } else if (!gather->queued) {
+ } else if (!iommu_iotlb_gather_queued(gather)) {
io_pgtable_tlb_add_page(iop, gather, iova, blk_size);
}
iova += blk_size;
diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
index 48a5bd8f571d..9697721f7e3a 100644
--- a/drivers/iommu/io-pgtable-arm.c
+++ b/drivers/iommu/io-pgtable-arm.c
@@ -638,7 +638,7 @@ static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
io_pgtable_tlb_flush_walk(iop, iova + i * size, size,
ARM_LPAE_GRANULE(data));
__arm_lpae_free_pgtable(data, lvl + 1, iopte_deref(pte, data));
- } else if (!gather->queued) {
+ } else if (!iommu_iotlb_gather_queued(gather)) {
io_pgtable_tlb_add_page(iop, gather, iova + i * size, size);
}
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 923a8d1c5e39..a23779c093c7 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -548,6 +548,11 @@ static inline void iommu_iotlb_gather_add_page(struct iommu_domain *domain,
gather->start = start;
}
+static inline bool iommu_iotlb_gather_queued(struct iommu_iotlb_gather *gather)
+{
+ return gather && gather->queued;
+}
+
/* PCI device grouping function */
extern struct iommu_group *pci_device_group(struct device *dev);
/* Generic device grouping function */
@@ -896,6 +901,11 @@ static inline void iommu_iotlb_gather_add_page(struct iommu_domain *domain,
{
}
+static inline bool iommu_iotlb_gather_queued(struct iommu_iotlb_gather *gather)
+{
+ return false;
+}
+
static inline void iommu_device_unregister(struct iommu_device *iommu)
{
}