Hi Viorel, FYI, the error/warning still remains. tree: https://github.com/Freescale/linux-fslc pr/288 head: 26c3698b94fe22823c8dcefb548326265c708b5c commit: 02f2735702118a80b3beb9626de5d14de0e32d73 [14894/17591] MLK-24965: ASoC: fsl_xcvr: bit and timestamp counters config: arc-randconfig-r004-20210312 (attached as .config) compiler: arc-elf-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/Freescale/linux-fslc/commit/02f2735702118a80b3beb9626d... git remote add freescale-fslc https://github.com/Freescale/linux-fslc git fetch --no-tags freescale-fslc pr/288 git checkout 02f2735702118a80b3beb9626de5d14de0e32d73 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): sound/soc/fsl/fsl_xcvr_sysfs.c: In function 'fsl_xcvr_get_attr_grp': 106 | const struct attribute_group *fsl_xcvr_get_attr_grp() | ^~~~~~~~~~~~~~~~~~~~~ vim +106 sound/soc/fsl/fsl_xcvr_sysfs.c 105 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org