diff --git a/lib/Kconfig b/lib/Kconfig
index 3a2ef67..a938a39 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -531,4 +531,7 @@
 config ARCH_HAS_PMEM_API
 	bool
 
+config ARCH_HAS_MMIO_FLUSH
+	bool
+
 endmenu