Hi SEO, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on jejb-scsi/for-next] [also build test WARNING on mkp-scsi/for-next linux/master linus/master v5.17-rc1 next-20220124] [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/SEO-HOYOUNG/scsi-ufs-disable-aut... base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next config: arc-randconfig-r043-20220124 (https://download.01.org/0day-ci/archive/20220124/202201242328.jXmzUj9v-lk...) compiler: arc-elf-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://github.com/0day-ci/linux/commit/07442fb1071785299ef4ec421a37874e0... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review SEO-HOYOUNG/scsi-ufs-disable-auto-hibern8-while-entering-suspend/20220124-195745 git checkout 07442fb1071785299ef4ec421a37874e0d84babf # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/scsi/ufs/ 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 >>): 4207 | void ufshcd_auto_hibern8_disable(struct ufs_hba *hba) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/ufshcd_auto_hibern8_disable +4207 drivers/scsi/ufs/ufshcd.c 4206 4208 { 4209 unsigned long flags; 4210 4211 if (!ufshcd_is_auto_hibern8_supported(hba)) 4212 return; 4213 4214 spin_lock_irqsave(hba->host->host_lock, flags); 4215 ufshcd_writel(hba, 0, REG_AUTO_HIBERNATE_IDLE_TIMER); 4216 spin_unlock_irqrestore(hba->host->host_lock, flags); 4217 } 4218 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org