--- zzzz-none-000/linux-4.4.60/drivers/base/regmap/Makefile	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-1750e-727/linux-4.4.60/drivers/base/regmap/Makefile	2021-02-04 17:41:59.000000000 +0000
@@ -1,9 +1,11 @@
 # For include/trace/define_trace.h to include trace.h
 CFLAGS_regmap.o := -I$(src)
 
-obj-$(CONFIG_REGMAP) += regmap.o regcache.o
-obj-$(CONFIG_REGMAP) += regcache-rbtree.o regcache-lzo.o regcache-flat.o
-obj-$(CONFIG_DEBUG_FS) += regmap-debugfs.o
+regmap-core-objs = regmap.o regcache.o regcache-rbtree.o regcache-lzo.o regcache-flat.o
+ifdef CONFIG_DEBUG_FS
+regmap-core-objs += regmap-debugfs.o
+endif
+obj-$(CONFIG_REGMAP) += regmap-core.o
 obj-$(CONFIG_REGMAP_AC97) += regmap-ac97.o
 obj-$(CONFIG_REGMAP_I2C) += regmap-i2c.o
 obj-$(CONFIG_REGMAP_SPI) += regmap-spi.o