1 files changed, 3 insertions, 1 deletions

diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index bb8f4a6b3e3..e1e954d7486 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -132,8 +132,10 @@ config OMAP_MBOX_KFIFO_SIZE
           This can also be changed at runtime (via the mbox_kfifo_size
           module parameter).
 
+#can't be tristate; iommu api doesn't support un-registration
 config OMAP_IOMMU
-        tristate
+        bool
+        select IOMMU_API
 
 config OMAP_IOMMU_DEBUG
        tristate "Export OMAP IOMMU internals in DebugFS"