[PATCH 1/3] drivers: iommu: arm-smmu: constify iommu_gather_ops structures

Julia Lawall
2016-10-25T20:21:28Z

On Tue, 25 Oct 2016, Bhumika Goyal wrote:

> 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.
>
> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>

Acked-by: Julia Lawall <julia.lawall@lip6.fr>

> ---
> drivers/iommu/arm-smmu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
> index c841eb7..a5bc8fb 100644
> --- a/drivers/iommu/arm-smmu.c
> +++ b/drivers/iommu/arm-smmu.c
> @@ -640,7 +640,7 @@ static void arm_smmu_tlb_inv_range_nosync(unsigned long iova, size_t size,
> }
> }
>
> -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,
> --
> 1.9.1
>
>