[PATCH v2 07/24] iommu/mtk: Drop IOVA cookie management
Robin Murphy
robin.murphy at arm.com
Wed Jul 28 08:58:28 PDT 2021
The core code bakes its own cookies now.
CC: Yong Wu <yong.wu at mediatek.com>
Signed-off-by: Robin Murphy <robin.murphy at 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
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