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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>
This commit is contained in:
Ohad Ben-Cohen 2011-06-02 02:48:05 +03:00 committed by Joerg Roedel
parent 74315cccd2
commit ab493a0f0f
9 changed files with 9 additions and 10 deletions
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3
arch/arm/mach-msm/Kconfig
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@ -205,9 +205,6 @@ config MSM_GPIOMUX
config MSM_V2_TLMM config MSM_V2_TLMM
bool bool
config IOMMU_API
bool
config MSM_SCM config MSM_SCM
bool bool
endif endif

3
arch/ia64/Kconfig
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@ -681,6 +681,3 @@ source "lib/Kconfig"
config IOMMU_HELPER config IOMMU_HELPER
def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB) def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)
config IOMMU_API
def_bool (DMAR)

5
arch/x86/Kconfig
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@ -685,6 +685,7 @@ config AMD_IOMMU
select SWIOTLB select SWIOTLB
select PCI_MSI select PCI_MSI
select PCI_IOV select PCI_IOV
select IOMMU_API
depends on X86_64 && PCI && ACPI depends on X86_64 && PCI && ACPI
---help--- ---help---
With this option you can enable support for AMD IOMMU hardware in With this option you can enable support for AMD IOMMU hardware in
@ -720,9 +721,6 @@ config SWIOTLB
config IOMMU_HELPER config IOMMU_HELPER
def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU) def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)
config IOMMU_API
def_bool (AMD_IOMMU || DMAR)
config MAXSMP config MAXSMP
bool "Enable Maximum number of SMP Processors and NUMA Nodes" bool "Enable Maximum number of SMP Processors and NUMA Nodes"
depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL depends on X86_64 && SMP && DEBUG_KERNEL && EXPERIMENTAL
@ -1945,6 +1943,7 @@ config PCI_CNB20LE_QUIRK
config DMAR config DMAR
bool "Support for DMA Remapping Devices (EXPERIMENTAL)" bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
depends on PCI_MSI && ACPI && EXPERIMENTAL depends on PCI_MSI && ACPI && EXPERIMENTAL
select IOMMU_API
help help
DMA remapping (DMAR) devices support enables independent address DMA remapping (DMAR) devices support enables independent address
translations for Direct Memory Access (DMA) from devices. translations for Direct Memory Access (DMA) from devices.

2
drivers/Kconfig
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@ -126,4 +126,6 @@ source "drivers/hwspinlock/Kconfig"
source "drivers/clocksource/Kconfig" source "drivers/clocksource/Kconfig"
source "drivers/iommu/Kconfig"
endmenu endmenu

1
drivers/Makefile
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@ -122,3 +122,4 @@ obj-y += ieee802154/
obj-y += clk/ obj-y += clk/
obj-$(CONFIG_HWSPINLOCK) += hwspinlock/ obj-$(CONFIG_HWSPINLOCK) += hwspinlock/
obj-$(CONFIG_IOMMU_API) += iommu/

1
drivers/base/Makefile
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@ -13,7 +13,6 @@ obj-$(CONFIG_FW_LOADER) += firmware_class.o
obj-$(CONFIG_NUMA) += node.o obj-$(CONFIG_NUMA) += node.o
obj-$(CONFIG_MEMORY_HOTPLUG_SPARSE) += memory.o obj-$(CONFIG_MEMORY_HOTPLUG_SPARSE) += memory.o
obj-$(CONFIG_SMP) += topology.o obj-$(CONFIG_SMP) += topology.o
obj-$(CONFIG_IOMMU_API) += iommu.o
ifeq ($(CONFIG_SYSFS),y) ifeq ($(CONFIG_SYSFS),y)
obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_MODULES) += module.o
endif endif

3
drivers/iommu/Kconfig Normal file
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@ -0,0 +1,3 @@
# IOMMU_API always gets selected by whoever wants it.
config IOMMU_API
bool

1
drivers/iommu/Makefile Normal file
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@ -0,0 +1 @@
obj-$(CONFIG_IOMMU_API) += iommu.o

0
drivers/base/iommu.c → drivers/iommu/iommu.c
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