This driver just uses a constant, put it in domain_alloc_paging and use the domain's value instead of ops during finalise.
Reviewed-by: Kevin Tian <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]> --- drivers/iommu/mtk_iommu.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index cb95fecf6016d5..0e0285348d2b8e 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -648,7 +648,7 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom, if (share_dom) { dom->iop = share_dom->iop; dom->cfg = share_dom->cfg; - dom->domain.pgsize_bitmap = share_dom->cfg.pgsize_bitmap; + dom->domain.pgsize_bitmap = share_dom->domain.pgsize_bitmap; goto update_iova_region; } @@ -656,7 +656,7 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom, .quirks = IO_PGTABLE_QUIRK_ARM_NS | IO_PGTABLE_QUIRK_NO_PERMS | IO_PGTABLE_QUIRK_ARM_MTK_EXT, - .pgsize_bitmap = mtk_iommu_ops.pgsize_bitmap, + .pgsize_bitmap = dom->domain.pgsize_bitmap, .ias = MTK_IOMMU_HAS_FLAG(data->plat_data, IOVA_34_EN) ? 34 : 32, .iommu_dev = data->dev, }; @@ -675,9 +675,6 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_domain *dom, return -ENOMEM; } - /* Update our support page sizes bitmap */ - dom->domain.pgsize_bitmap = dom->cfg.pgsize_bitmap; - data->share_dom = dom; update_iova_region: @@ -697,6 +694,7 @@ static struct iommu_domain *mtk_iommu_domain_alloc_paging(struct device *dev) if (!dom) return NULL; mutex_init(&dom->mutex); + dom->domain.pgsize_bitmap = SZ_4K | SZ_64K | SZ_1M | SZ_16M; return &dom->domain; } @@ -1019,7 +1017,6 @@ static const struct iommu_ops mtk_iommu_ops = { .device_group = mtk_iommu_device_group, .of_xlate = mtk_iommu_of_xlate, .get_resv_regions = mtk_iommu_get_resv_regions, - .pgsize_bitmap = SZ_4K | SZ_64K | SZ_1M | SZ_16M, .owner = THIS_MODULE, .default_domain_ops = &(const struct iommu_domain_ops) { .attach_dev = mtk_iommu_attach_device, -- 2.43.0
