From: Robin Murphy <robin.murphy@arm.com>
Date: Wed, 8 Jun 2022 11:48:26 +0000 (+0100)
Subject: vdpa: Use device_iommu_capable()
X-Git-Tag: v6.1-rc5~611^2~81
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=366958a7fd7b541cba478e2866ef08f34e20471b;p=platform%2Fkernel%2Flinux-starfive.git

vdpa: Use device_iommu_capable()

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

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Message-Id: <548e316fa282ce513fabb991a4c4d92258062eb5.1654688822.git.robin.murphy@arm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
---

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 23dcbfd..250ad41 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -1076,7 +1076,7 @@ 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);