--- zzzz-none-000/linux-3.10.107/drivers/hsi/Makefile	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/hsi/Makefile	2021-02-04 17:41:59.000000000 +0000
@@ -3,4 +3,5 @@
 #
 obj-$(CONFIG_HSI_BOARDINFO)	+= hsi_boardinfo.o
 obj-$(CONFIG_HSI)		+= hsi.o
+obj-y				+= controllers/
 obj-y				+= clients/