From: Lu Baolu <baolu.lu@linux.intel.com>
Date: Mon, 12 Aug 2024 07:21:04 +0000 (+0800)
Subject: media: nvidia: tegra: Use iommu_paging_domain_alloc()
X-Git-Tag: v6.13-rc1~149^2~194
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=93ee2d7ce2660a60d7e3d2706f53c31c5fb052e9;p=linux-block.git

media: nvidia: tegra: Use iommu_paging_domain_alloc()

An iommu domain is allocated in tegra_vde_iommu_init() and is attached to
vde->dev. Use iommu_paging_domain_alloc() to make it explicit.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240610085555.88197-9-baolu.lu@linux.intel.com
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---

diff --git a/drivers/media/platform/nvidia/tegra-vde/iommu.c b/drivers/media/platform/nvidia/tegra-vde/iommu.c
index 5521ed3e465f..b1d9d841d944 100644
--- a/drivers/media/platform/nvidia/tegra-vde/iommu.c
+++ b/drivers/media/platform/nvidia/tegra-vde/iommu.c
@@ -78,9 +78,10 @@ int tegra_vde_iommu_init(struct tegra_vde *vde)
 		arm_iommu_release_mapping(mapping);
 	}
 #endif
-	vde->domain = iommu_domain_alloc(&platform_bus_type);
-	if (!vde->domain) {
-		err = -ENOMEM;
+	vde->domain = iommu_paging_domain_alloc(dev);
+	if (IS_ERR(vde->domain)) {
+		err = PTR_ERR(vde->domain);
+		vde->domain = NULL;
 		goto put_group;
 	}