diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index 257ff66d83cf1e3653e0683deb9132b84be77466..5cb343883e4d88649f8e8eaad39c67e856027d1e 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -262,6 +262,7 @@ config PPC_RTAS
 config RTAS_PROC
 	bool "Proc interface to RTAS"
 	depends on PPC_RTAS
+	default y
 
 config RTAS_FLASH
 	tristate "Firmware flash interface"