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Message-Id: <20240812072811.9737-1-baolu.lu@linux.intel.com>
Date: Mon, 12 Aug 2024 15:28:11 +0800
From: Lu Baolu <baolu.lu@...ux.intel.com>
To: Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
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: linux-remoteproc@...r.kernel.org,
iommu@...ts.linux.dev,
linux-kernel@...r.kernel.org,
Lu Baolu <baolu.lu@...ux.intel.com>,
Jason Gunthorpe <jgg@...dia.com>
Subject: [PATCH 1/1] remoteproc: Use iommu_paging_domain_alloc()
An iommu domain is allocated in rproc_enable_iommu() and is attached to
rproc->dev.parent in the same function.
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>
Link: https://lore.kernel.org/r/20240610085555.88197-13-baolu.lu@linux.intel.com
---
drivers/remoteproc/remoteproc_core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index f276956f2c5c..eb66f78ec8b7 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -109,10 +109,10 @@ static int rproc_enable_iommu(struct rproc *rproc)
return 0;
}
- domain = iommu_domain_alloc(dev->bus);
- if (!domain) {
+ domain = iommu_paging_domain_alloc(dev);
+ if (IS_ERR(domain)) {
dev_err(dev, "can't alloc iommu domain\n");
- return -ENOMEM;
+ return PTR_ERR(domain);
}
iommu_set_fault_handler(domain, rproc_iommu_fault, rproc);
--
2.34.1
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