--- zzzz-none-000/linux-2.6.39.4/drivers/misc/Kconfig	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/drivers/misc/Kconfig	2021-11-10 13:38:15.000000000 +0000
@@ -475,6 +475,15 @@
 	  To compile this driver as a module, choose M here: the module will
 	  be called pch_phub.
 
+config CE_MAILBOX 
+        tristate "Mailbox support for Intel CE2600 platform"
+        depends on ARCH_GEN3
+        depends on HW_MUTEXES
+        default y
+         ---help---
+          This is a simple mailbox driver support for communication between NPCPU and APPCPU processor
+          If unsure, say Y.
+
 source "drivers/misc/c2port/Kconfig"
 source "drivers/misc/eeprom/Kconfig"
 source "drivers/misc/cb710/Kconfig"