[PATCH v2 09/24] iommu/sprd: Drop IOVA cookie management

Robin Murphy
2021-07-28T16:03:46Z

The core code bakes its own cookies now.

CC: Chunyan Zhang <chunyan.zhang@unisoc.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
drivers/iommu/sprd-iommu.c | 6 ------
1 file changed, 6 deletions(-)

diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c
index 73dfd9946312..2bc1de6e823d 100644
--- a/drivers/iommu/sprd-iommu.c
+++ b/drivers/iommu/sprd-iommu.c
@@ -144,11 +144,6 @@ static struct iommu_domain *sprd_iommu_domain_alloc(unsigned int domain_type)
if (!dom)
return NULL;

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

dom->domain.geometry.aperture_start = 0;
@@ -161,7 +156,6 @@ static void sprd_iommu_domain_free(struct iommu_domain *domain)
{
struct sprd_iommu_domain *dom = to_sprd_domain(domain);

- iommu_put_dma_cookie(domain);
kfree(dom);
}

--
2.25.1