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From: Lu Baolu <baolu.lu@linux.intel.com>
To: Joerg Roedel <joro@8bytes.org>,
	Will Deacon <will@kernel.org>,
	Robin Murphy <robin.murphy@arm.com>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Kevin Tian <kevin.tian@intel.com>
Cc: Yi Liu <yi.l.liu@intel.com>,
	David Airlie <airlied@gmail.com>,
	Daniel Vetter <daniel@ffwll.ch>,
	Kalle Valo <kvalo@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Mathieu Poirier <mathieu.poirier@linaro.org>,
	Alex Williamson <alex.williamson@redhat.com>,
	mst@redhat.com,
	Jason Wang <jasowang@redhat.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Mikko Perttunen <mperttunen@nvidia.com>,
	iommu@lists.linux.dev,
	dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org,
	Lu Baolu <baolu.lu@linux.intel.com>
Subject: [PATCH v2 10/22] media: venus: firmware: Use iommu_paging_domain_alloc()
Date: Tue,  4 Jun 2024 09:51:22 +0800
Message-Id: <20240604015134.164206-11-baolu.lu@linux.intel.com>
In-Reply-To: <20240604015134.164206-1-baolu.lu@linux.intel.com>
References: <20240604015134.164206-1-baolu.lu@linux.intel.com>
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An iommu domain is allocated in venus_firmware_init() and is attached to
core->fw.dev in the same function. Use iommu_paging_domain_alloc() to
make it explicit.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/media/platform/qcom/venus/firmware.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
index fe7da2b30482..66a18830e66d 100644
--- a/drivers/media/platform/qcom/venus/firmware.c
+++ b/drivers/media/platform/qcom/venus/firmware.c
@@ -316,10 +316,10 @@ int venus_firmware_init(struct venus_core *core)
 
 	core->fw.dev = &pdev->dev;
 
-	iommu_dom = iommu_domain_alloc(&platform_bus_type);
-	if (!iommu_dom) {
+	iommu_dom = iommu_paging_domain_alloc(core->fw.dev);
+	if (IS_ERR(iommu_dom)) {
 		dev_err(core->fw.dev, "Failed to allocate iommu domain\n");
-		ret = -ENOMEM;
+		ret = PTR_ERR(iommu_dom);
 		goto err_unregister;
 	}
 
-- 
2.34.1