diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 80fbf8968f77..2e94647c8711 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -4188,8 +4188,7 @@ static void dump_spu_fields(struct spu *spu)
 	DUMP_FIELD(spu, "0x%p", pdata);
 }
 
-int
-spu_inst_dump(unsigned long adr, long count, int praddr)
+static int spu_inst_dump(unsigned long adr, long count, int praddr)
 {
 	return generic_inst_dump(adr, count, praddr, print_insn_spu);
 }