Hi Bart, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on mkp-scsi/for-next] [also build test ERROR on next-20210618] [cannot apply to scsi/for-next bvanassche/for-next v5.13-rc6] [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/Bart-Van-Assche/UFS-patches-for-... base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: powerpc-randconfig-r035-20210618 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d1baf2895467735ab14f4b3415fce204c0cc8e7f) 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 # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/0day-ci/linux/commit/fcc87d783f58d9f9ee2c0ccd19c61a57c... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bart-Van-Assche/UFS-patches-for-Linux-kernel-v5-14/20210619-085409 git checkout fcc87d783f58d9f9ee2c0ccd19c61a57c5941bfb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from drivers/scsi/ufs/ufshcd.c:12: In file included from include/linux/async.h:12: In file included from include/linux/list.h:9: In file included from include/linux/kernel.h:12: In file included from include/linux/bitops.h:32: In file included from arch/powerpc/include/asm/bitops.h:62: arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined] #define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") ^ <built-in>:309:9: note: previous definition is here #define __lwsync __builtin_ppc_lwsync ^ if (old_state != UFSHCD_STATE_ERROR || new_state == UFSHCD_STATE_ERROR) ^ return true; ^ drivers/scsi/ufs/ufshcd.c:4077:2: note: previous statement is here if (old_state != UFSHCD_STATE_ERROR || new_state == UFSHCD_STATE_ERROR) ^ return false; ^ } ^ drivers/scsi/ufs/ufshcd.c:9361:44: warning: shift count >= width of type [-Wshift-count-overflow] if (!dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(64))) ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 3 warnings and 3 errors generated. vim +/old_state +4077 drivers/scsi/ufs/ufshcd.c 4072 4073 static bool ufshcd_set_state(struct ufs_hba *hba, enum ufshcd_state new_state) 4074 { 4075 lockdep_assert_held(hba->host->host_lock); 4076 4078 hba->ufshcd_state = new_state; 4080 } 4083 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org