diff --git a/crypto/Kconfig b/crypto/Kconfig
index b749a1a..07090e9 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -5,9 +5,13 @@
 	tristate
 
 #
+# async_tx api: hardware offloaded memory transfer/transform support
+#
+source "crypto/async_tx/Kconfig"
+
+#
 # Cryptographic API Configuration
 #
-
 menu "Cryptographic options"
 
 config CRYPTO