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iommu/arm-smmu: Constify iommu_gather_ops structures

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Check for iommu_gather_ops structures that are only stored in the tlb
field of an io_pgtable_cfg structure. The tlb field is of type
const struct iommu_gather_ops *, so iommu_gather_ops structures
having this property can be declared as const.

Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Bhumika Goyal 2016-10-25 23:36:11 +05:30 committed by Will Deacon
parent 5896f3a3a1
commit ca297aad17
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/arm-smmu-v3.c
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@ -1358,7 +1358,7 @@ static void arm_smmu_tlb_inv_range_nosync(unsigned long iova, size_t size,
} while (size -= granule);
}
static struct iommu_gather_ops arm_smmu_gather_ops = {
static const struct iommu_gather_ops arm_smmu_gather_ops = {
.tlb_flush_all = arm_smmu_tlb_inv_context,
.tlb_add_flush = arm_smmu_tlb_inv_range_nosync,
.tlb_sync = arm_smmu_tlb_sync,