linux-kernel - [PATCH v3 14/21] RDMA/usnic: Use iommu_paging_domain

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Message-Id: <20240610085555.88197-15-baolu.lu@linux.intel.com>
Date: Mon, 10 Jun 2024 16:55:48 +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,
	iommu@...ts.linux.dev,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Lu Baolu <baolu.lu@...ux.intel.com>,
	Jason Gunthorpe <jgg@...dia.com>
Subject: [PATCH v3 14/21] RDMA/usnic: Use iommu_paging_domain_alloc()

usnic_uiom_alloc_pd() allocates a paging domain for a given device.
In this case, iommu_domain_alloc(dev->bus) is equivalent to 
iommu_paging_domain_alloc(dev). Replace it as iommu_domain_alloc()
has been deprecated.

Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
Acked-by: Jason Gunthorpe <jgg@...dia.com>
---
 drivers/infiniband/hw/usnic/usnic_uiom.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/hw/usnic/usnic_uiom.c
index 84e0f41e7dfa..f948b76f984d 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom.c
+++ b/drivers/infiniband/hw/usnic/usnic_uiom.c
@@ -443,11 +443,11 @@ struct usnic_uiom_pd *usnic_uiom_alloc_pd(struct device *dev)
 	if (!pd)
 		return ERR_PTR(-ENOMEM);
 
-	pd->domain = domain = iommu_domain_alloc(dev->bus);
-	if (!domain) {
+	pd->domain = domain = iommu_paging_domain_alloc(dev);
+	if (IS_ERR(domain)) {
 		usnic_err("Failed to allocate IOMMU domain");
 		kfree(pd);
-		return ERR_PTR(-ENOMEM);
+		return ERR_CAST(domain);
 	}
 
 	iommu_set_fault_handler(pd->domain, usnic_uiom_dma_fault, NULL);
-- 
2.34.1