diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 2da380fcc34c699c34851696cae2899a18d9c8bd..9e7bfc322368e868732b3fc76c12c9f2a4ae1bd7 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -47,7 +47,7 @@ obj-$(CONFIG_PPC_BOOK3E_64)	+= exceptions-64e.o idle_book3e.o
 obj-$(CONFIG_PPC64)		+= vdso64/
 obj-$(CONFIG_ALTIVEC)		+= vecemu.o
 obj-$(CONFIG_PPC_970_NAP)	+= idle_power4.o
-obj-$(CONFIG_PPC_P7_NAP)	+= idle_power7.o
+obj-$(CONFIG_PPC_P7_NAP)	+= idle_book3s.o
 procfs-y			:= proc_powerpc.o
 obj-$(CONFIG_PROC_FS)		+= $(procfs-y)
 rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI)	:= rtas_pci.o
diff --git a/arch/powerpc/kernel/idle_power7.S b/arch/powerpc/kernel/idle_book3s.S
similarity index 100%
rename from arch/powerpc/kernel/idle_power7.S
rename to arch/powerpc/kernel/idle_book3s.S