--- zzzz-none-000/linux-4.4.271/drivers/mailbox/Makefile	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/mailbox/Makefile	2023-04-19 10:22:29.000000000 +0000
@@ -17,3 +17,5 @@
 obj-$(CONFIG_BCM2835_MBOX)	+= bcm2835-mailbox.o
 
 obj-$(CONFIG_STI_MBOX)		+= mailbox-sti.o
+
+obj-$(CONFIG_QCOM_APCS_IPC)     += qcom-apcs-ipc-mailbox.o