[PATCH 3/3] drivers: iommu: io-pgtable-arm: use const and __initconst for iommu_gather_ops structures

Julia Lawall
2016-10-25T20:18:52Z

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. Also, replace __initdata
> with __initconst.
>
> Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>

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

> ---
> drivers/iommu/io-pgtable-arm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c
> index f5c90e1..412e21d 100644
> --- a/drivers/iommu/io-pgtable-arm.c
> +++ b/drivers/iommu/io-pgtable-arm.c
> @@ -916,7 +916,7 @@ static void dummy_tlb_sync(void *cookie)
> WARN_ON(cookie != cfg_cookie);
> }
>
> -static struct iommu_gather_ops dummy_tlb_ops __initdata = {
> +static const struct iommu_gather_ops dummy_tlb_ops __initconst = {
> .tlb_flush_all = dummy_tlb_flush_all,
> .tlb_add_flush = dummy_tlb_add_flush,
> .tlb_sync = dummy_tlb_sync,
> --
> 1.9.1
>
>