diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 2af949a..6a1e79b 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -130,6 +130,9 @@
 config ARCH_NO_VIRT_TO_BUS
 	def_bool y
 
+config ARCH_HAS_DEFAULT_IDLE
+	def_bool y
+
 config IO_TRAPPED
 	bool