static const struct usb_device_id *find_id(struct usb_device *udev) { const struct usb_device_id *id = usb_quirk_list; for (; id->idVendor || id->bDeviceClass || id->bInterfaceClass || id->driver_info; id++) { if (usb_match_device(udev, id)) return id; } return NULL; }
static u32 __usb_detect_quirks(struct usb_device *udev, const struct usb_device_id *id) { u32 quirks = 0; for (; id->match_flags; id++) { if (!usb_match_device(udev, id)) continue; if ((id->match_flags & USB_DEVICE_ID_MATCH_INT_INFO) && !usb_match_any_interface(udev, id)) continue; quirks |= (u32)(id->driver_info); } return quirks; }