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Message-Id: <20210512065313.3441309-1-baolu.lu@linux.intel.com>
Date: Wed, 12 May 2021 14:53:13 +0800
From: Lu Baolu <baolu.lu@...ux.intel.com>
To: Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>
Cc: ashok.raj@...el.com, kevin.tian@...el.com, jacob.jun.pan@...el.com,
yi.l.liu@...el.com, sanjay.k.kumar@...el.com,
iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [PATCH 1/1] 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@...ux.intel.com>
---
drivers/iommu/intel/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/intel/Kconfig b/drivers/iommu/intel/Kconfig
index 28a3d1596c76..7e5b240b801d 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.
--
2.25.1
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