Hi Kiwoong, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on scsi/for-next] [cannot apply to mkp-scsi/for-next v5.8-rc5 next-20200717] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Kiwoong-Kim/ufs-exynos-introduce... base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next config: ia64-allmodconfig (attached as .config) compiler: ia64-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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 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 >>): drivers/scsi/ufs/ufs-exynos.c: In function 'exynos_ufs_dbg_register_dump': 1263 | exynos_ufs_dump_info(&ufs->handle, hba->dev); | ^~~~~~~~~~~~~~~~~~~~ | exynos_ufs_suspend cc1: some warnings being treated as errors vim +1263 drivers/scsi/ufs/ufs-exynos.c 1248 1249 static void exynos_ufs_dbg_register_dump(struct ufs_hba *hba) 1250 { 1251 struct exynos_ufs *ufs = ufshcd_get_variant(hba); 1252 unsigned long flags; 1253 1254 spin_lock_irqsave(&ufs->dbg_lock, flags); 1255 if (ufs->under_dump == 0) 1256 ufs->under_dump = 1; 1257 else { 1258 spin_unlock_irqrestore(&ufs->dbg_lock, flags); 1259 goto out; 1260 } 1261 spin_unlock_irqrestore(&ufs->dbg_lock, flags); 1262 1264 1265 spin_lock_irqsave(&ufs->dbg_lock, flags); 1266 ufs->under_dump = 0; 1267 spin_unlock_irqrestore(&ufs->dbg_lock, flags); 1268 out: 1269 return; 1270 } 1271 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org