--- /dev/null
+--- a/arch/powerpc/sysdev/Makefile
++++ b/arch/powerpc/sysdev/Makefile
+@@ -50,3 +50,5 @@ obj-$(CONFIG_UCODE_PATCH) += micropatch.
+ ifeq ($(CONFIG_SUSPEND),y)
+ obj-$(CONFIG_6xx) += 6xx-suspend.o
+ endif
++
++obj-$(CONFIG_RB_IOMAP) += rb_iomap.o