From: Lu Baolu <baolu.lu@linux.intel.com>
Date: Thu, 10 Jun 2021 02:00:56 +0000 (+0800)
Subject: iommu/vt-d: Select PCI_ATS explicitly
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=879fcc6bda6956ce9574421c5f68ebbc794bf06b;p=linux.git

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 28a3d1596c768..7e5b240b801d4 100644
--- 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.