diff mbox series

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

Message ID 4e7fc6e523cb4b63fb13f5be10041eb24c0dcb1e.1628682048.git.robin.murphy@arm.com (mailing list archive)
State New, archived
Headers show
Series iommu: Refactor DMA domain strictness | expand

Commit Message

Robin Murphy Aug. 11, 2021, 12:21 p.m. UTC 
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 mbox series

Patch

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);
 }