···376376configured, so config_groups for particular functions are defined377377in the functions implementation files drivers/usb/gadget/f_*.c.378378379379-5. Funciton's code is written in such a way that it uses379379+5. Function's code is written in such a way that it uses380380381381usb_get_function_instance(), which, in turn, calls request_module.382382So, provided that modprobe works, modules for particular functions