diff options
-rw-r--r-- | drivers/iommu/s390-iommu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c index bb9e48c82644..5b5ba1cd5f00 100644 --- a/drivers/iommu/s390-iommu.c +++ b/drivers/iommu/s390-iommu.c @@ -315,11 +315,13 @@ static struct s390_domain *to_s390_domain(struct iommu_domain *dom) static bool s390_iommu_capable(struct device *dev, enum iommu_cap cap) { + struct zpci_dev *zdev = to_zpci_dev(dev); + switch (cap) { case IOMMU_CAP_CACHE_COHERENCY: return true; case IOMMU_CAP_DEFERRED_FLUSH: - return true; + return zdev->pft != PCI_FUNC_TYPE_ISM; default: return false; } |