diff --git a/configs/default_defconfig b/configs/default_defconfig
index c0a32f0175f8..fd8410855fdf 100644
--- a/configs/default_defconfig
+++ b/configs/default_defconfig
@@ -46,6 +46,13 @@ ifndef CONFIG_ROME_IF
 endif
 endif
 
+ifeq (m,$(findstring m,$(CONFIG_CNSS2)))
+ifndef CONFIG_ROME_IF
+	#use pci as default interface
+	CONFIG_ROME_IF = pci
+endif
+endif
+
 # Make WLAN as open-source driver by default
 WLAN_OPEN_SOURCE := y
 
@@ -185,6 +192,17 @@ ifneq ($(CONFIG_QCA_CLD_WLAN),)
 		CONFIG_WLAN_FEATURE_LPSS := y
 		endif
 	endif
+
+	ifeq (m,$(findstring m,$(CONFIG_CNSS2)))
+	#Flag to enable Protected Management Frames (11w) feature
+	CONFIG_WLAN_FEATURE_11W := y
+	#Flag to enable LTE CoEx feature
+	CONFIG_QCOM_LTE_COEX := y
+		ifneq ($(CONFIG_MOBILE_ROUTER), y)
+		#Flag to enable LPSS feature
+		CONFIG_WLAN_FEATURE_LPSS := y
+		endif
+	endif
 endif
 
 #Flag to enable Protected Management Frames (11w) feature
@@ -824,6 +842,13 @@ CONFIG_PLD_PCIE_INIT_FLAG := y
 endif
 endif
 
+ifeq ($(CONFIG_CNSS2), m)
+ifeq ($(CONFIG_HIF_PCI), y)
+CONFIG_PLD_PCIE_CNSS_FLAG := y
+CONFIG_PLD_PCIE_INIT_FLAG := y
+endif
+endif
+
 #Enable STATE MACHINE HISTORY
 CONFIG_SM_ENG_HIST := n