diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
index b52c1f8c4bc0..8d42b9e50dfa 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
@@ -92,6 +92,6 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
 		icplb_tbl[cpu][i_i++].data = 0;
 }
 
-void generate_cplb_tables_all(void)
+void __init generate_cplb_tables_all(void)
 {
 }