diff --git a/config/kernel/linux-xpressreal-t3-6.6.config b/config/kernel/linux-xpressreal-t3-6.6.config
index 8b2756abb3..caa784047e 100644
--- a/config/kernel/linux-xpressreal-t3-6.6.config
+++ b/config/kernel/linux-xpressreal-t3-6.6.config
@@ -215,6 +215,8 @@ CONFIG_PCI=y
 CONFIG_PCIE_RTD=y
 CONFIG_PCIE_RTD_TRANS=y
 CONFIG_DEVTMPFS=y
+CONFIG_MHI_BUS_PCI_GENERIC=m
+CONFIG_MHI_BUS_EP=m
 CONFIG_MTD=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_BLOCK=y