[PATCH v3 09/25] iommu/sprd: Drop IOVA cookie management

From: Robin Murphy
Date: Wed Aug 04 2021 - 13:16:44 EST


The core code bakes its own cookies now.

CC: Chunyan Zhang <chunyan.zhang@xxxxxxxxxx>
Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>

---

v3: Also remove unneeded include
---
drivers/iommu/sprd-iommu.c | 7 -------
1 file changed, 7 deletions(-)

diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c
index 73dfd9946312..27ac818b0354 100644
--- a/drivers/iommu/sprd-iommu.c
+++ b/drivers/iommu/sprd-iommu.c
@@ -8,7 +8,6 @@

#include <linux/clk.h>
#include <linux/device.h>
-#include <linux/dma-iommu.h>
#include <linux/dma-mapping.h>
#include <linux/errno.h>
#include <linux/iommu.h>
@@ -144,11 +143,6 @@ 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 +155,6 @@ 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