iommu/vt-d: Select PCI_ATS explicitly

The Intel VT-d implementation supports device TLB management. Select
PCI_ATS explicitly so that the pci_ats helpers are always available.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210512065313.3441309-1-baolu.lu@linux.intel.com
Link: https://lore.kernel.org/r/20210610020115.1637656-5-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig
index 28a3d1596c76894789ae0939d0f82e01a422a35b..7e5b240b801d4d7b6e3ad99105c1021d123fc29d 100644 (file)
--- a/drivers/iommu/intel/Kconfig
+++ b/drivers/iommu/intel/Kconfig
@@ -14,6 +14,7 @@ config INTEL_IOMMU
        select SWIOTLB
        select IOASID
        select IOMMU_DMA
+       select PCI_ATS
        help
          DMA remapping (DMAR) devices support enables independent address
          translations for Direct Memory Access (DMA) from devices.