linux-kernel - [PATCH] vdpa: Use device_iommu

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Message-Id: <548e316fa282ce513fabb991a4c4d92258062eb5.1654688822.git.robin.murphy@arm.com>
Date:   Wed,  8 Jun 2022 12:48:26 +0100
From:   Robin Murphy <robin.murphy@....com>
To:     mst@...hat.com, jasowang@...hat.com
Cc:     kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] vdpa: 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/vhost/vdpa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 935a1d0ddb97..4cfebcc24a03 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -1074,7 +1074,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v)
 	if (!bus)
 		return -EFAULT;
 
-	if (!iommu_capable(bus, IOMMU_CAP_CACHE_COHERENCY))
+	if (!device_iommu_capable(dma_dev, IOMMU_CAP_CACHE_COHERENCY))
 		return -ENOTSUPP;
 
 	v->domain = iommu_domain_alloc(bus);
-- 
2.36.1.dirty