On Fri, Sep 15, 2017 at 07:04:36PM +0200, Lucas Stach wrote:
> A function doing a single assignment is not really helping the
> code flow.
>
> Signed-off-by: Lucas Stach <l.st...@pengutronix.de>
agreed.
Reviewed-by: Wladimir J. van der Laan <laa...@gmail.com>
> ---
> drivers/gpu/drm/etnaviv/etnaviv_iommu.c | 16 ++++------------
> 1 file changed, 4 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
> b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
> index 78a7c0f3064a..43a0508bdbd7 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
> @@ -49,15 +49,6 @@ static struct etnaviv_iommu_domain
> *to_etnaviv_domain(struct iommu_domain *domai
> return container_of(domain, struct etnaviv_iommu_domain, domain);
> }
>
> -static void pgtable_write(struct etnaviv_iommu_domain_pgtable *pgtable,
> - unsigned long iova, phys_addr_t paddr)
> -{
> - /* calcuate index into page table */
> - unsigned int index = (iova - GPU_MEM_START) / SZ_4K;
> -
> - pgtable->pgtable[index] = paddr;
> -}
> -
> static int __etnaviv_iommu_init(struct etnaviv_iommu_domain *etnaviv_domain)
> {
> u32 *p;
> @@ -111,11 +102,12 @@ static int etnaviv_iommuv1_map(struct iommu_domain
> *domain, unsigned long iova,
> phys_addr_t paddr, size_t size, int prot)
> {
> struct etnaviv_iommu_domain *etnaviv_domain = to_etnaviv_domain(domain);
> + unsigned int index = (iova - GPU_MEM_START) / SZ_4K;
>
> if (size != SZ_4K)
> return -EINVAL;
>
> - pgtable_write(&etnaviv_domain->pgtable, iova, paddr);
> + etnaviv_domain->pgtable.pgtable[index] = paddr;
>
> return 0;
> }
> @@ -124,12 +116,12 @@ static size_t etnaviv_iommuv1_unmap(struct iommu_domain
> *domain,
> unsigned long iova, size_t size)
> {
> struct etnaviv_iommu_domain *etnaviv_domain = to_etnaviv_domain(domain);
> + unsigned int index = (iova - GPU_MEM_START) / SZ_4K;
>
> if (size != SZ_4K)
> return -EINVAL;
>
> - pgtable_write(&etnaviv_domain->pgtable, iova,
> - etnaviv_domain->bad_page_dma);
> + etnaviv_domain->pgtable.pgtable[index] = etnaviv_domain->bad_page_dma;
>
> return SZ_4K;
> }
> --
> 2.11.0
>
> _______________________________________________
> etnaviv mailing list
> etna...@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/etnaviv
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