drivers/base/power/Makefile - third_party/kernel - Git at Google

 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PM)	+= sysfs.o generic_ops.o common.o qos.o runtime.o wakeirq.o
 obj-$(CONFIG_PM_SLEEP)	+= main.o wakeup.o wakeup_stats.o
 obj-$(CONFIG_PM_TRACE_RTC)	+= trace.o
 obj-$(CONFIG_PM_GENERIC_DOMAINS)	+=  domain.o domain_governor.o
 obj-$(CONFIG_HAVE_CLK)	+= clock_ops.o

 ccflags-$(CONFIG_DEBUG_DRIVER) := -DDEBUG
	# SPDX-License-Identifier: GPL-2.0
	obj-$(CONFIG_PM) += sysfs.o generic_ops.o common.o qos.o runtime.o wakeirq.o
	obj-$(CONFIG_PM_SLEEP) += main.o wakeup.o wakeup_stats.o
	obj-$(CONFIG_PM_TRACE_RTC) += trace.o
	obj-$(CONFIG_PM_GENERIC_DOMAINS) += domain.o domain_governor.o
	obj-$(CONFIG_HAVE_CLK) += clock_ops.o

	ccflags-$(CONFIG_DEBUG_DRIVER) := -DDEBUG