From: Robin Murphy <robin.murphy@arm.com>
Date: Fri, 24 Jun 2022 18:59:35 +0100
Subject: vfio: Use device_iommu_capable()
Git-commit: 3b498b6656214d499d57f1e4935448821d0febf9
Patch-mainline: v6.0-rc1
References: bsc#1205701

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

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/4ea5eb64246f1ee188d1a61c3e93b37756932eb7.1656092606.git.robin.murphy@arm.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
---
 drivers/vfio/vfio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -554,7 +554,7 @@ static struct vfio_group *vfio_group_fin
 	 * restore cache coherency. It has to be checked here because it is only
 	 * valid for cases where we are using iommu groups.
 	 */
-	if (!iommu_capable(dev->bus, IOMMU_CAP_CACHE_COHERENCY)) {
+	if (!device_iommu_capable(dev, IOMMU_CAP_CACHE_COHERENCY)) {
 		iommu_group_put(iommu_group);
 		return ERR_PTR(-EINVAL);
 	}