[PATCH v2 07/24] iommu/mtk: Drop IOVA cookie management

Robin Murphy
2021-07-28T16:02:54Z

The core code bakes its own cookies now.

CC: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
drivers/iommu/mtk_iommu.c | 6 ------
1 file changed, 6 deletions(-)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 6f7c69688ce2..e39a6d1da28d 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -441,17 +441,11 @@ static struct iommu_domain *mtk_iommu_domain_alloc(unsigned type)
if (!dom)
return NULL;

- if (iommu_get_dma_cookie(&dom->domain)) {
- kfree(dom);
- return NULL;
- }
-
return &dom->domain;
}

static void mtk_iommu_domain_free(struct iommu_domain *domain)
{
- iommu_put_dma_cookie(domain);
kfree(to_mtk_domain(domain));
}

--
2.25.1