[PATCH v4 09/24] iommu/sprd: Drop IOVA cookie management

From: Robin Murphy <robin.murphy@arm.com>
To: joro@8bytes.org, will@kernel.org
Cc: Chunyan Zhang <zhang.lyra@gmail.com>,
	linux-kernel@vger.kernel.org, dianders@chromium.org,
	iommu@lists.linux-foundation.org, rajatja@google.com,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 09/24] iommu/sprd: Drop IOVA cookie management
Date: Wed, 11 Aug 2021 13:21:23 +0100	[thread overview]
Message-ID: <4e7fc6e523cb4b63fb13f5be10041eb24c0dcb1e.1628682048.git.robin.murphy@arm.com> (raw)
In-Reply-To: <cover.1628682048.git.robin.murphy@arm.com>

The core code bakes its own cookies now.

Acked-by: Chunyan Zhang <zhang.lyra@gmail.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>

---

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

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