diff --git a/arch/blackfin/mach-bf561/Makefile b/arch/blackfin/mach-bf561/Makefile
index 59e18af..b340297 100644
--- a/arch/blackfin/mach-bf561/Makefile
+++ b/arch/blackfin/mach-bf561/Makefile
@@ -6,3 +6,4 @@
 
 obj-$(CONFIG_BF561_COREB) += coreb.o
 obj-$(CONFIG_SMP)  += smp.o secondary.o atomic.o
+obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o