diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index d071ae875e25..8acd21dee05d 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -4,3 +4,4 @@ obj-$(CONFIG_PPC_I8259)		+= i8259.o
 obj-$(CONFIG_PPC_MPC106)	+= grackle.o
 obj-$(CONFIG_BOOKE)		+= dcr.o
 obj-$(CONFIG_40x)		+= dcr.o
+obj-$(CONFIG_U3_DART)		+= u3_iommu.o
diff --git a/arch/ppc64/kernel/u3_iommu.c b/arch/powerpc/sysdev/u3_iommu.c
similarity index 100%
rename from arch/ppc64/kernel/u3_iommu.c
rename to arch/powerpc/sysdev/u3_iommu.c
diff --git a/arch/ppc64/kernel/Makefile b/arch/ppc64/kernel/Makefile
index f2f60c9cc55f..863bd7d746fb 100644
--- a/arch/ppc64/kernel/Makefile
+++ b/arch/ppc64/kernel/Makefile
@@ -60,8 +60,6 @@ obj-$(CONFIG_PPC_PMAC)		+= udbg_scc.o
 obj-$(CONFIG_PPC_MAPLE)		+= maple_setup.o maple_pci.o maple_time.o \
 				   udbg_16550.o
 
-obj-$(CONFIG_U3_DART)		+= u3_iommu.o
-
 ifdef CONFIG_SMP
 obj-$(CONFIG_PPC_PMAC)		+= smp-tbsync.o
 obj-$(CONFIG_PPC_MAPLE)		+= smp-tbsync.o