Hi Mario, kernel test robot noticed the following build warnings: [auto build test WARNING on 09a9639e56c01c7a00d6c0ca63f4c7c41abe075d] url: https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello/PM-Add-sysfs-files-to-represent-time-spent-in-hardware-sleep-state/20230413-035220 base: 09a9639e56c01c7a00d6c0ca63f4c7c41abe075d patch link: https://lore.kernel.org/r/20230412194917.7164-5-mario.limonciello%40amd.com patch subject: [PATCH v8 4/4] platform/x86/intel/pmc: core: Report duration of time in HW sleep state config: i386-randconfig-a004-20230410 (https://download.01.org/0day-ci/archive/20230413/202304130908.LOiMWRYR-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/intel-lab-lkp/linux/commit/315b1dd23cbedfd2848c8ac8ec1f77c3610b955e git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mario-Limonciello/PM-Add-sysfs-files-to-represent-time-spent-in-hardware-sleep-state/20230413-035220 git checkout 315b1dd23cbedfd2848c8ac8ec1f77c3610b955e # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/platform/x86/intel/pmc/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304130908.LOiMWRYR-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/platform/x86/intel/pmc/core.c:1156:31: warning: shift count >= width of type [-Wshift-count-overflow] pm_report_max_hw_sleep(((1UL << 32) - 1) * pmc_core_adjust_slp_s0_step(pmcdev, 1)); ^ ~~ 1 warning generated. vim +1156 drivers/platform/x86/intel/pmc/core.c 1097 1098 static int pmc_core_probe(struct platform_device *pdev) 1099 { 1100 static bool device_initialized; 1101 struct pmc_dev *pmcdev; 1102 const struct x86_cpu_id *cpu_id; 1103 void (*core_init)(struct pmc_dev *pmcdev); 1104 u64 slp_s0_addr; 1105 1106 if (device_initialized) 1107 return -ENODEV; 1108 1109 pmcdev = devm_kzalloc(&pdev->dev, sizeof(*pmcdev), GFP_KERNEL); 1110 if (!pmcdev) 1111 return -ENOMEM; 1112 1113 platform_set_drvdata(pdev, pmcdev); 1114 pmcdev->pdev = pdev; 1115 1116 cpu_id = x86_match_cpu(intel_pmc_core_ids); 1117 if (!cpu_id) 1118 return -ENODEV; 1119 1120 core_init = (void (*)(struct pmc_dev *))cpu_id->driver_data; 1121 1122 /* 1123 * Coffee Lake has CPU ID of Kaby Lake and Cannon Lake PCH. So here 1124 * Sunrisepoint PCH regmap can't be used. Use Cannon Lake PCH regmap 1125 * in this case. 1126 */ 1127 if (core_init == spt_core_init && !pci_dev_present(pmc_pci_ids)) 1128 core_init = cnp_core_init; 1129 1130 mutex_init(&pmcdev->lock); 1131 core_init(pmcdev); 1132 1133 1134 if (lpit_read_residency_count_address(&slp_s0_addr)) { 1135 pmcdev->base_addr = PMC_BASE_ADDR_DEFAULT; 1136 1137 if (page_is_ram(PHYS_PFN(pmcdev->base_addr))) 1138 return -ENODEV; 1139 } else { 1140 pmcdev->base_addr = slp_s0_addr - pmcdev->map->slp_s0_offset; 1141 } 1142 1143 pmcdev->regbase = ioremap(pmcdev->base_addr, 1144 pmcdev->map->regmap_length); 1145 if (!pmcdev->regbase) 1146 return -ENOMEM; 1147 1148 if (pmcdev->core_configure) 1149 pmcdev->core_configure(pmcdev); 1150 1151 pmcdev->pmc_xram_read_bit = pmc_core_check_read_lock_bit(pmcdev); 1152 pmc_core_get_low_power_modes(pdev); 1153 pmc_core_do_dmi_quirks(pmcdev); 1154 1155 pmc_core_dbgfs_register(pmcdev); > 1156 pm_report_max_hw_sleep(((1UL << 32) - 1) * pmc_core_adjust_slp_s0_step(pmcdev, 1)); 1157 1158 device_initialized = true; 1159 dev_info(&pdev->dev, " initialized\n"); 1160 1161 return 0; 1162 } 1163 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
