[PATCH v4 07/24] iommu/mtk: Drop IOVA cookie management

[Robin Murphy <robin.murphy@arm.com>]

The core code bakes its own cookies now.

CC: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>

---

v3: Also remove unneeded includes
---
 drivers/iommu/mtk_iommu.c    | 7 -------
 drivers/iommu/mtk_iommu_v1.c | 1 -
 2 files changed, 8 deletions(-)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 6f7c69688ce2..185694eb4456 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -9,7 +9,6 @@
 #include <linux/component.h>
 #include <linux/device.h>
 #include <linux/dma-direct.h>
-#include <linux/dma-iommu.h>
 #include <linux/err.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
@@ -441,17 +440,11 @@ 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));
 }
 
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
index 778e66f5f1aa..be22fcf988ce 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -13,7 +13,6 @@
 #include <linux/component.h>
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
-#include <linux/dma-iommu.h>
 #include <linux/err.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
-- 
2.25.1

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