[kbuild-all] [linux-next:master 9523/10009] drivers/scsi/ufs/ufs-exynos.h:301:6: warning: no previous prototype for 'exynos_ufs_cmd_log_start'

tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: de2e69cfe54a8f2ed4b75f09d3110c514f45d38e commit: c3b5e96ef51572bfb9a453a07d99d7f7307f4e93 [9523/10009] scsi: ufs: exynos: Introduce command history config: alpha-allmodconfig (attached as .config) compiler: alpha-linux-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 git checkout c3b5e96ef51572bfb9a453a07d99d7f7307f4e93 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha 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 >>): In file included from drivers/scsi/ufs/ufs-exynos.c:23: 301 | void exynos_ufs_cmd_log_start(struct ufs_exynos_handle *handle, | ^~~~~~~~~~~~~~~~~~~~~~~~ 306 | void exynos_ufs_cmd_log_end(struct ufs_exynos_handle *handle, | ^~~~~~~~~~~~~~~~~~~~~~ 311 | int exynos_ufs_init_dbg(struct ufs_exynos_handle *handle, struct device *dev) | ^~~~~~~~~~~~~~~~~~~ vim +/exynos_ufs_cmd_log_start +301 drivers/scsi/ufs/ufs-exynos.h 292 293 /* public function declarations */ 294 #ifdef CONFIG_SCSI_UFS_EXYNOS_DBG 295 void exynos_ufs_cmd_log_start(struct ufs_exynos_handle *handle, 296 struct ufs_hba *hba, int tag); 297 void exynos_ufs_cmd_log_end(struct ufs_exynos_handle *handle, 298 struct ufs_hba *hba, int tag); 299 int exynos_ufs_init_dbg(struct ufs_exynos_handle *handle, struct device *dev); 300 #else 302 struct ufs_hba *hba, int tag) 303 { 304 } 305 307 struct ufs_hba *hba, int tag) 308 { 309 } 310 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org