Hi Li, FYI, the error/warning still remains. tree: https://github.com/Freescale/linux-fslc pr/296 head: bf2acf9f711d9c0ffcee228f6772f4c00be626b8 commit: fef46455683f097673cd4eef816b185baf141dce [12427/17782] MLK-24206-3 usb: dwc3: core: add fladj setting if SOFITPSYNC used config: i386-randconfig-a006-20210322 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/Freescale/linux-fslc/commit/fef46455683f097673cd4eef81... git remote add freescale-fslc https://github.com/Freescale/linux-fslc git fetch --no-tags freescale-fslc pr/296 git checkout fef46455683f097673cd4eef816b185baf141dce # 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 >>): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org