2316 static bool iface_is_reserved(unsigned long device_flags, u8 ifnum)  in iface_is_reserved()  argument
2321 	return device_flags & RSVD(ifnum);  in iface_is_reserved()
2329 	unsigned long device_flags = id->driver_info;  in option_probe()  local
2340 	if (iface_is_reserved(device_flags, iface_desc->bInterfaceNumber))  in option_probe()
2347 	if (device_flags & NUMEP2 && iface_desc->bNumEndpoints != 2)  in option_probe()
2351 	usb_set_serial_data(serial, (void *)device_flags);  in option_probe()
2356 static bool iface_no_modem_control(unsigned long device_flags, u8 ifnum)  in iface_no_modem_control()  argument
2361 	return device_flags & NCTRL(ifnum);  in iface_no_modem_control()
2368 	unsigned long device_flags;  in option_attach()  local
2375 	device_flags = (unsigned long)usb_get_serial_data(serial);  in option_attach()
2379 	if (!iface_no_modem_control(device_flags, iface_desc->bInterfaceNumber))  in option_attach()
2382 	if (device_flags & ZLP)  in option_attach()