iommu/mtk: Drop IOVA cookie management

[linux-2.6-microblaze.git] / drivers / iommu / mtk_iommu.c

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 6f7c696..185694e 100644 (file)
--- 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));
 }