[kbuild-all] drivers/gpu/drm/msm/adreno/a6xx_gpu.c:1643:6: error: no previous prototype for 'a6xx_gpu_set_freq'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d2f38a3c6507b2520101f9a3807ed98f1bdc545a commit: f6f59072e821901d96c791864a07d57d8ec8d312 drm/msm/a6xx: Serialize GMU communication date: 5 weeks ago config: arm-buildonly-randconfig-r005-20211031 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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://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 f6f59072e821901d96c791864a07d57d8ec8d312 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arm 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 >>): 1643 | void a6xx_gpu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp) | ^~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/a6xx_gpu_set_freq +1643 drivers/gpu/drm/msm/adreno/a6xx_gpu.c 1642 1644 { 1645 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); 1646 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); 1647 1648 mutex_lock(&a6xx_gpu->gmu.lock); 1649 a6xx_gmu_set_freq(gpu, opp); 1650 mutex_unlock(&a6xx_gpu->gmu.lock); 1651 } 1652 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org