iommu/s390: Add iommu api for s390 pci devices

This adds an IOMMU API implementation for s390 PCI devices.

Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index d9da766719c8..5feb70a91a8c 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -369,4 +369,11 @@ config ARM_SMMU_V3
           Say Y here if your system includes an IOMMU device implementing
           the ARM SMMUv3 architecture.
 
+config S390_IOMMU
+        def_bool y if S390 && PCI
+        depends on S390 && PCI
+        select IOMMU_API
+        help
+          Support for the IOMMU API for s390 PCI devices.
+
 endif # IOMMU_SUPPORT