[kbuild-all] Re: [PATCH -next] scsi: ufs: fix build warning without CONFIG_PM

Hi YueHaibing, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20210615] url: https://github.com/0day-ci/linux/commits/YueHaibing/scsi-ufs-fix-build-wa... base: 19ae1f2bd9c091059f80646604ccef8a1e614f57 config: arc-allyesconfig (attached as .config) compiler: arceb-elf-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 # https://github.com/0day-ci/linux/commit/6874b79b80a6d8905fe434342e4233b23... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review YueHaibing/scsi-ufs-fix-build-warning-without-CONFIG_PM/20210616-183217 git checkout 6874b79b80a6d8905fe434342e4233b23c3b2104 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 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 >>): In file included from include/linux/device.h:25, from include/linux/async.h:14, from drivers/scsi/ufs/ufshcd.c:12: 9728 | SET_RUNTIME_PM_OPS(ufshcd_wl_runtime_suspend, ufshcd_wl_runtime_resume, NULL) | ^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/pm.h:341:21: note: in definition of macro 'SET_RUNTIME_PM_OPS' 341 | .runtime_suspend = suspend_fn, \ | ^~~~~~~~~~ 9728 | SET_RUNTIME_PM_OPS(ufshcd_wl_runtime_suspend, ufshcd_wl_runtime_resume, NULL) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/pm.h:342:20: note: in definition of macro 'SET_RUNTIME_PM_OPS' 342 | .runtime_resume = resume_fn, \ | ^~~~~~~~~ 9781 | SET_RUNTIME_PM_OPS(NULL, ufshcd_rpmb_resume, NULL) | ^~~~~~~~~~~~~~~~~~ include/linux/pm.h:342:20: note: in definition of macro 'SET_RUNTIME_PM_OPS' 342 | .runtime_resume = resume_fn, \ | ^~~~~~~~~ In file included from include/linux/perf_event.h:25, from include/linux/trace_events.h:10, from include/trace/trace_events.h:21, from include/trace/define_trace.h:102, from include/trace/events/ufs.h:396, from drivers/scsi/ufs/ufshcd.c:31: arch/arc/include/asm/perf_event.h:126:23: warning: 'arc_pmu_cache_map' defined but not used [-Wunused-const-variable=] 126 | static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = { | ^~~~~~~~~~~~~~~~~ arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' defined but not used [-Wunused-const-variable=] 91 | static const char * const arc_pmu_ev_hw_map[] = { | ^~~~~~~~~~~~~~~~~ vim +9728 drivers/scsi/ufs/ufshcd.c b294ff3e34490f Asutosh Das 2021-04-23 9718 b294ff3e34490f Asutosh Das 2021-04-23 9719 static const struct dev_pm_ops ufshcd_wl_pm_ops = { b294ff3e34490f Asutosh Das 2021-04-23 9720 #ifdef CONFIG_PM_SLEEP b294ff3e34490f Asutosh Das 2021-04-23 9721 .suspend = ufshcd_wl_suspend, b294ff3e34490f Asutosh Das 2021-04-23 9722 .resume = ufshcd_wl_resume, b294ff3e34490f Asutosh Das 2021-04-23 9723 .freeze = ufshcd_wl_suspend, b294ff3e34490f Asutosh Das 2021-04-23 9724 .thaw = ufshcd_wl_resume, b294ff3e34490f Asutosh Das 2021-04-23 9725 .poweroff = ufshcd_wl_poweroff, b294ff3e34490f Asutosh Das 2021-04-23 9726 .restore = ufshcd_wl_resume, b294ff3e34490f Asutosh Das 2021-04-23 9727 #endif b294ff3e34490f Asutosh Das 2021-04-23 @9728 SET_RUNTIME_PM_OPS(ufshcd_wl_runtime_suspend, ufshcd_wl_runtime_resume, NULL) b294ff3e34490f Asutosh Das 2021-04-23 9729 }; b294ff3e34490f Asutosh Das 2021-04-23 9730 b294ff3e34490f Asutosh Das 2021-04-23 9731 /* b294ff3e34490f Asutosh Das 2021-04-23 9732 * ufs_dev_wlun_template - describes ufs device wlun b294ff3e34490f Asutosh Das 2021-04-23 9733 * ufs-device wlun - used to send pm commands b294ff3e34490f Asutosh Das 2021-04-23 9734 * All luns are consumers of ufs-device wlun. b294ff3e34490f Asutosh Das 2021-04-23 9735 * b294ff3e34490f Asutosh Das 2021-04-23 9736 * Currently, no sd driver is present for wluns. b294ff3e34490f Asutosh Das 2021-04-23 9737 * Hence the no specific pm operations are performed. b294ff3e34490f Asutosh Das 2021-04-23 9738 * With ufs design, SSU should be sent to ufs-device wlun. b294ff3e34490f Asutosh Das 2021-04-23 9739 * Hence register a scsi driver for ufs wluns only. b294ff3e34490f Asutosh Das 2021-04-23 9740 */ b294ff3e34490f Asutosh Das 2021-04-23 9741 static struct scsi_driver ufs_dev_wlun_template = { b294ff3e34490f Asutosh Das 2021-04-23 9742 .gendrv = { b294ff3e34490f Asutosh Das 2021-04-23 9743 .name = "ufs_device_wlun", b294ff3e34490f Asutosh Das 2021-04-23 9744 .owner = THIS_MODULE, b294ff3e34490f Asutosh Das 2021-04-23 9745 .probe = ufshcd_wl_probe, b294ff3e34490f Asutosh Das 2021-04-23 9746 .remove = ufshcd_wl_remove, b294ff3e34490f Asutosh Das 2021-04-23 9747 .pm = &ufshcd_wl_pm_ops, b294ff3e34490f Asutosh Das 2021-04-23 9748 .shutdown = ufshcd_wl_shutdown, b294ff3e34490f Asutosh Das 2021-04-23 9749 }, b294ff3e34490f Asutosh Das 2021-04-23 9750 }; b294ff3e34490f Asutosh Das 2021-04-23 9751 b294ff3e34490f Asutosh Das 2021-04-23 9752 static int ufshcd_rpmb_probe(struct device *dev) b294ff3e34490f Asutosh Das 2021-04-23 9753 { b294ff3e34490f Asutosh Das 2021-04-23 9754 return is_rpmb_wlun(to_scsi_device(dev)) ? 0 : -ENODEV; b294ff3e34490f Asutosh Das 2021-04-23 9755 } b294ff3e34490f Asutosh Das 2021-04-23 9756 b294ff3e34490f Asutosh Das 2021-04-23 9757 static inline int ufshcd_clear_rpmb_uac(struct ufs_hba *hba) b294ff3e34490f Asutosh Das 2021-04-23 9758 { b294ff3e34490f Asutosh Das 2021-04-23 9759 int ret = 0; b294ff3e34490f Asutosh Das 2021-04-23 9760 b294ff3e34490f Asutosh Das 2021-04-23 9761 if (!hba->wlun_rpmb_clr_ua) b294ff3e34490f Asutosh Das 2021-04-23 9762 return 0; b294ff3e34490f Asutosh Das 2021-04-23 9763 ret = ufshcd_clear_ua_wlun(hba, UFS_UPIU_RPMB_WLUN); b294ff3e34490f Asutosh Das 2021-04-23 9764 if (!ret) b294ff3e34490f Asutosh Das 2021-04-23 9765 hba->wlun_rpmb_clr_ua = 0; b294ff3e34490f Asutosh Das 2021-04-23 9766 return ret; b294ff3e34490f Asutosh Das 2021-04-23 9767 } b294ff3e34490f Asutosh Das 2021-04-23 9768 6874b79b80a6d8 YueHaibing 2021-06-11 9769 #ifdef CONFIG_PM_SLEEP b294ff3e34490f Asutosh Das 2021-04-23 9770 static int ufshcd_rpmb_resume(struct device *dev) b294ff3e34490f Asutosh Das 2021-04-23 9771 { b294ff3e34490f Asutosh Das 2021-04-23 9772 struct ufs_hba *hba = wlun_dev_to_hba(dev); b294ff3e34490f Asutosh Das 2021-04-23 9773 b294ff3e34490f Asutosh Das 2021-04-23 9774 if (hba->sdev_rpmb) b294ff3e34490f Asutosh Das 2021-04-23 9775 ufshcd_clear_rpmb_uac(hba); b294ff3e34490f Asutosh Das 2021-04-23 9776 return 0; b294ff3e34490f Asutosh Das 2021-04-23 9777 } 6874b79b80a6d8 YueHaibing 2021-06-11 9778 #endif b294ff3e34490f Asutosh Das 2021-04-23 9779 b294ff3e34490f Asutosh Das 2021-04-23 9780 static const struct dev_pm_ops ufs_rpmb_pm_ops = { b294ff3e34490f Asutosh Das 2021-04-23 @9781 SET_RUNTIME_PM_OPS(NULL, ufshcd_rpmb_resume, NULL) b294ff3e34490f Asutosh Das 2021-04-23 9782 SET_SYSTEM_SLEEP_PM_OPS(NULL, ufshcd_rpmb_resume) b294ff3e34490f Asutosh Das 2021-04-23 9783 }; b294ff3e34490f Asutosh Das 2021-04-23 9784 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org