Hi Bart, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b229b6ca5abbd63ff40c1396095b1b36b18139c3 commit: dd11376b9f1b73aca3f8c6eb541486bbb6996f05 scsi: ufs: Split the drivers/scsi/ufs directory date: 5 months ago config: hexagon-randconfig-r013-20221027 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) 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/?id=dd11376b9f1b73aca3f8c6eb541486bbb6996f05 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout dd11376b9f1b73aca3f8c6eb541486bbb6996f05 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/firmware/ drivers/ufs/host/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/ufs/host/ufs-exynos.c:1598:34: warning: unused variable 'exynos_ufs_of_match' [-Wunused-const-variable] static const struct of_device_id exynos_ufs_of_match[] = { ^ 1 warning generated. -- >> drivers/ufs/host/ufs-hisi.c:561:34: warning: unused variable 'ufs_hisi_of_match' [-Wunused-const-variable] static const struct of_device_id ufs_hisi_of_match[] = { ^ 1 warning generated. vim +/exynos_ufs_of_match +1598 drivers/ufs/host/ufs-exynos.c 55f4b1f73631a0 drivers/scsi/ufs/ufs-exynos.c Alim Akhtar 2020-05-28 1597 55f4b1f73631a0 drivers/scsi/ufs/ufs-exynos.c Alim Akhtar 2020-05-28 @1598 static const struct of_device_id exynos_ufs_of_match[] = { 55f4b1f73631a0 drivers/scsi/ufs/ufs-exynos.c Alim Akhtar 2020-05-28 1599 { .compatible = "samsung,exynos7-ufs", 55f4b1f73631a0 drivers/scsi/ufs/ufs-exynos.c Alim Akhtar 2020-05-28 1600 .data = &exynos_ufs_drvs }, cc52e15397cc5d drivers/scsi/ufs/ufs-exynos.c Chanho Park 2021-10-18 1601 { .compatible = "samsung,exynosautov9-ufs", cc52e15397cc5d drivers/scsi/ufs/ufs-exynos.c Chanho Park 2021-10-18 1602 .data = &exynosauto_ufs_drvs }, be39f4fd8dd430 drivers/scsi/ufs/ufs-exynos.c Chanho Park 2021-10-18 1603 { .compatible = "samsung,exynosautov9-ufs-vh", be39f4fd8dd430 drivers/scsi/ufs/ufs-exynos.c Chanho Park 2021-10-18 1604 .data = &exynosauto_ufs_vh_drvs }, 55f4b1f73631a0 drivers/scsi/ufs/ufs-exynos.c Alim Akhtar 2020-05-28 1605 {}, 55f4b1f73631a0 drivers/scsi/ufs/ufs-exynos.c Alim Akhtar 2020-05-28 1606 }; 55f4b1f73631a0 drivers/scsi/ufs/ufs-exynos.c Alim Akhtar 2020-05-28 1607 :::::: The code at line 1598 was first introduced by commit :::::: 55f4b1f73631a0817717fe6e98517de51b4c3527 scsi: ufs: ufs-exynos: Add UFS host support for Exynos SoCs :::::: TO: Alim Akhtar :::::: CC: Martin K. Petersen -- 0-DAY CI Kernel Test Service https://01.org/lkp