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Message-ID: <20241009041147.28391-3-baolu.lu@linux.intel.com>
Date: Wed, 9 Oct 2024 12:11:45 +0800
From: Lu Baolu <baolu.lu@...ux.intel.com>
To: Joerg Roedel <joro@...tes.org>,
Will Deacon <will@...nel.org>,
Robin Murphy <robin.murphy@....com>,
Jason Gunthorpe <jgg@...pe.ca>,
Kevin Tian <kevin.tian@...el.com>
Cc: Yi Liu <yi.l.liu@...el.com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Kalle Valo <kvalo@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Alex Williamson <alex.williamson@...hat.com>,
mst@...hat.com,
Jason Wang <jasowang@...hat.com>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Mikko Perttunen <mperttunen@...dia.com>,
Jeff Johnson <quic_jjohnson@...cinc.com>,
ath10k@...ts.infradead.org,
ath11k@...ts.infradead.org,
Lyude Paul <lyude@...hat.com>,
Beleswar Padhi <b-padhi@...com>,
iommu@...ts.linux.dev,
linux-kernel@...r.kernel.org,
Lu Baolu <baolu.lu@...ux.intel.com>,
Jason Gunthorpe <jgg@...dia.com>,
Thierry Reding <treding@...dia.com>
Subject: [PATCH v4 2/4] 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@...ux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Acked-by: Thierry Reding <treding@...dia.com>
---
drivers/media/platform/nvidia/tegra-vde/iommu.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
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;
}
--
2.43.0
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