diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 1b0000a247d830a963dc3ef59a6f0d5fc3a4fb4a..5eccda9fd33f5396b5a5c231db1c8051bcacf747 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -698,7 +698,7 @@ unsigned char ibm_architecture_vec[] = {
 #else
 	0,
 #endif
-	OV5_FEAT(OV5_TYPE1_AFFINITY),
+	OV5_FEAT(OV5_TYPE1_AFFINITY) | OV5_FEAT(OV5_PRRN),
 	0,
 	0,
 	0,