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authorOhad Ben-Cohen <ohad@wizery.com>2011-06-02 02:48:05 +0300
committerJoerg Roedel <joerg.roedel@amd.com>2011-06-14 14:47:41 +0200
commitab493a0f0f55d28636ac860ea682d57b84257f10 (patch)
tree41c1801407e25060ae415a7c2bb1cb6a8df45884 /arch/x86/Kconfig
parent74315cccd2104a953f493acca2c6b0519d6f5c6f (diff)
downloadlinux-ab493a0f0f55d28636ac860ea682d57b84257f10.tar.bz2
drivers: iommu: move to a dedicated folder
Create a dedicated folder for iommu drivers, and move the base iommu implementation over there. Grouping the various iommu drivers in a single location will help finding similar problems shared by different platforms, so they could be solved once, in the iommu framework, instead of solved differently (or duplicated) in each driver. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig5
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index da349723d411..460d57370016 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -685,6 +685,7 @@ config AMD_IOMMU
select SWIOTLB
select PCI_MSI
select PCI_IOV
+ select IOMMU_API
depends on X86_64 && PCI && ACPI
---help---
With this option you can enable support for AMD IOMMU hardware in
@@ -720,9 +721,6 @@ config SWIOTLB
config IOMMU_HELPER
def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)
-config IOMMU_API
- def_bool (AMD_IOMMU || DMAR)
-
config MAXSMP
bool "Enable Maximum number of SMP Processors and NUMA Nodes"
depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL
@@ -1945,6 +1943,7 @@ config PCI_CNB20LE_QUIRK
config DMAR
bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
depends on PCI_MSI && ACPI && EXPERIMENTAL
+ select IOMMU_API
help
DMA remapping (DMAR) devices support enables independent address
translations for Direct Memory Access (DMA) from devices.