diff mbox series

[16/18] staging/media/tegra-vde: Clean up IOMMU workaround

Message ID 3535c205b9bce52556abbf2f63384fb38e009df9.1597931876.git.robin.murphy@arm.com
State New
Headers show
Series Convert arch/arm to use iommu-dma | expand

Commit Message

Robin Murphy Aug. 20, 2020, 3:08 p.m. UTC 
Now that arch/arm is wired up for default domains and iommu-dma, we no
longer need to work around the arch-private mapping.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
 drivers/staging/media/tegra-vde/iommu.c | 12 ------------
 1 file changed, 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/staging/media/tegra-vde/iommu.c b/drivers/staging/media/tegra-vde/iommu.c
index 6af863d92123..4f770189ed34 100644
--- a/drivers/staging/media/tegra-vde/iommu.c
+++ b/drivers/staging/media/tegra-vde/iommu.c
@@ -10,10 +10,6 @@ 
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 
-#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)
-#include <asm/dma-iommu.h>
-#endif
-
 #include "vde.h"
 
 int tegra_vde_iommu_map(struct tegra_vde *vde,
@@ -70,14 +66,6 @@  int tegra_vde_iommu_init(struct tegra_vde *vde)
 	if (!vde->group)
 		return 0;
 
-#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)
-	if (dev->archdata.mapping) {
-		struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev);
-
-		arm_iommu_detach_device(dev);
-		arm_iommu_release_mapping(mapping);
-	}
-#endif
 	vde->domain = iommu_domain_alloc(&platform_bus_type);
 	if (!vde->domain) {
 		err = -ENOMEM;