6 files changed, 7 insertions, 1 deletions

diff --git a/drivers/Kconfig b/drivers/Kconfig
index 3bb154d8c8cc..9d513188b47a 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -126,4 +126,6 @@ source "drivers/hwspinlock/Kconfig"
 
 source "drivers/clocksource/Kconfig"
 
+source "drivers/iommu/Kconfig"
+
 endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index 09f3232bcdcd..2f7a71a933de 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -122,3 +122,4 @@ obj-y				+= ieee802154/
 obj-y                           += clk/
 
 obj-$(CONFIG_HWSPINLOCK)        += hwspinlock/
+obj-$(CONFIG_IOMMU_API)         += iommu/
diff --git a/drivers/base/Makefile b/drivers/base/Makefile
index 4c5701c15f53..5ab0d07c4578 100644
--- a/drivers/base/Makefile
+++ b/drivers/base/Makefile
@@ -13,7 +13,6 @@ obj-$(CONFIG_FW_LOADER)	+= firmware_class.o
 obj-$(CONFIG_NUMA)      += node.o
 obj-$(CONFIG_MEMORY_HOTPLUG_SPARSE) += memory.o
 obj-$(CONFIG_SMP)       += topology.o
-obj-$(CONFIG_IOMMU_API) += iommu.o
 ifeq ($(CONFIG_SYSFS),y)
 obj-$(CONFIG_MODULES)   += module.o
 endif
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
new file mode 100644
index 000000000000..2c5dfb48a22a
--- /dev/null
+++ b/drivers/iommu/Kconfig
@@ -0,0 +1,3 @@
+# IOMMU_API always gets selected by whoever wants it.
+config IOMMU_API
+        bool
diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile
new file mode 100644
index 000000000000..241ba4c46a19
--- /dev/null
+++ b/drivers/iommu/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_IOMMU_API) += iommu.o
diff --git a/drivers/base/iommu.c b/drivers/iommu/iommu.c
index 6e6b6a11b3ce..6e6b6a11b3ce 100644
--- a/drivers/base/iommu.c
+++ b/drivers/iommu/iommu.c