[kbuild-all] drivers/leds/flash/leds-rt8515.c:216: undefined reference to `v4l2_flash_release'

Hi Linus, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 291009f656e8eaebbdfd3a8d99f6b190a9ce9deb commit: e1c6edcbea13de025c3406645b4cce4ac3baf973 leds: rt8515: Add Richtek RT8515 LED driver date: 12 days ago config: i386-randconfig-a005-20210209 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e1c6edcbea13de025c3406645b4cce4ac3baf973 # 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(a)intel.com&gt; All errors (new ones prefixed by >>): ld: drivers/leds/flash/leds-rt8515.o: in function `rt8515_v4l2_flash_release': ld: drivers/leds/flash/leds-rt8515.o: in function `rt8515_probe': drivers/leds/flash/leds-rt8515.c:354: undefined reference to `v4l2_flash_init' vim +216 drivers/leds/flash/leds-rt8515.c 213 214 static void rt8515_v4l2_flash_release(struct rt8515 *rt) 215 { 217 } 218 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org