1. 根目录:
2. drivers
3. usb
4. common
5. Makefile

#
# Makefile for the usb common parts.
#

obj-$(CONFIG_USB_COMMON)	  += usb-common.o
usb-common-y			  += common.o
usb-common-$(CONFIG_USB_LED_TRIG) += led.o

obj-$(CONFIG_USB_OTG_FSM) += usb-otg-fsm.o