iommu/mtk: Drop IOVA cookie management

The core code bakes its own cookies now. CC: Yong Wu <yong.wu@mediatek.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/b856648e7ee2b1017e7c7c02e2ddd50eaf72cbf7.1628682048.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
mariux64 · Aug 18, 2021 · a88a42b · a88a42b
1 parent 5d89418
commit a88a42b
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diff --git 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
@@ -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>