original_kernel/drivers/usb/core
..
Kconfig
Makefile
buffer.c
config.c
devices.c
devio.c
driver.c
endpoint.c
file.c
generic.c
hcd-pci.c
hcd.c
hub.c
message.c
notify.c
otg_whitelist.h
quirks.c
sysfs.c
urb.c
usb-acpi.c
usb.c
usb.h