tree: https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-5.13/upstream-fixes head: 624d8a18c8cd62e7613a9b2b6850205e0b6b9c7d commit: 2d21c6e884482b01b3878be220c51368a442bcc6 [3/17] HID: core: Add a hid_is_usb_device() helper function config: i386-randconfig-c021-20210526 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git/commit/?id=2d21c6e884482b01b3878be220c51368a442bcc6 git remote add hid https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git git fetch --no-tags hid for-5.13/upstream-fixes git checkout 2d21c6e884482b01b3878be220c51368a442bcc6 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: drivers/hid/hid-core.o: in function `hid_is_using_ll_driver': >> include/linux/hid.h:837: undefined reference to `usb_hid_driver' vim +837 include/linux/hid.h fc2237a724a9e4 Jason Gerecke 2017-07-24 833 fc2237a724a9e4 Jason Gerecke 2017-07-24 834 static inline bool hid_is_using_ll_driver(struct hid_device *hdev, fc2237a724a9e4 Jason Gerecke 2017-07-24 835 struct hid_ll_driver *driver) fc2237a724a9e4 Jason Gerecke 2017-07-24 836 { fc2237a724a9e4 Jason Gerecke 2017-07-24 @837 return hdev->ll_driver == driver; fc2237a724a9e4 Jason Gerecke 2017-07-24 838 } fc2237a724a9e4 Jason Gerecke 2017-07-24 839 :::::: The code at line 837 was first introduced by commit :::::: fc2237a724a9e448599076d7d23497f51e2f7441 HID: introduce hid_is_using_ll_driver :::::: TO: Jason Gerecke <killertofu@xxxxxxxxx> :::::: CC: Jiri Kosina <jkosina@xxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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