linux-kernel - [PATCH] RDMA/usnic: Use device_iommu

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Date:   Wed,  8 Jun 2022 12:46:33 +0100
From:   Robin Murphy <robin.murphy@....com>
To:     benve@...co.com, neescoba@...co.com
Cc:     dledford@...hat.com, jgg@...pe.ca, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] RDMA/usnic: Use device_iommu_capable()

Use the new interface to check the capability for our device
specifically.

Signed-off-by: Robin Murphy <robin.murphy@....com>
---
 drivers/infiniband/hw/usnic/usnic_uiom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/hw/usnic/usnic_uiom.c
index e212929369df..67a1b4562dc2 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom.c
+++ b/drivers/infiniband/hw/usnic/usnic_uiom.c
@@ -482,7 +482,7 @@ int usnic_uiom_attach_dev_to_pd(struct usnic_uiom_pd *pd, struct device *dev)
 	if (err)
 		goto out_free_dev;
 
-	if (!iommu_capable(dev->bus, IOMMU_CAP_CACHE_COHERENCY)) {
+	if (!device_iommu_capable(dev, IOMMU_CAP_CACHE_COHERENCY)) {
 		usnic_err("IOMMU of %s does not support cache coherency\n",
 				dev_name(dev));
 		err = -EINVAL;
-- 
2.36.1.dirty