Hi Raphael, kernel test robot noticed the following build warnings: [auto build test WARNING on 0fc4bfab2cd45f9acb86c4f04b5191e114e901ed] url: https://github.com/intel-lab-lkp/linux/commits/Raphael-Gallais-Pou/thermal-st-switch-from-CONFIG_PM_SLEEP-guards-to-pm_sleep_ptr/20240626-090203 base: 0fc4bfab2cd45f9acb86c4f04b5191e114e901ed patch link: https://lore.kernel.org/r/20240625-thermal-v2-2-bf8354ed51ee%40gmail.com patch subject: [PATCH v2 2/3] thermal: sti: depend on THERMAL_OF subsystem config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20240627/202406270530.kN5wIswi-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240627/202406270530.kN5wIswi-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202406270530.kN5wIswi-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/thermal/st/st_thermal.c: In function 'st_thermal_register': >> drivers/thermal/st/st_thermal.c:147:13: warning: variable 'polling_delay' set but not used [-Wunused-but-set-variable] 147 | int polling_delay; | ^~~~~~~~~~~~~ vim +/polling_delay +147 drivers/thermal/st/st_thermal.c 60aef7ce455653 Lee Jones 2014-06-05 138 60aef7ce455653 Lee Jones 2014-06-05 139 int st_thermal_register(struct platform_device *pdev, 60aef7ce455653 Lee Jones 2014-06-05 140 const struct of_device_id *st_thermal_of_match) 60aef7ce455653 Lee Jones 2014-06-05 141 { 60aef7ce455653 Lee Jones 2014-06-05 142 struct st_thermal_sensor *sensor; 60aef7ce455653 Lee Jones 2014-06-05 143 struct device *dev = &pdev->dev; 60aef7ce455653 Lee Jones 2014-06-05 144 struct device_node *np = dev->of_node; 60aef7ce455653 Lee Jones 2014-06-05 145 const struct of_device_id *match; 60aef7ce455653 Lee Jones 2014-06-05 146 60aef7ce455653 Lee Jones 2014-06-05 @147 int polling_delay; 60aef7ce455653 Lee Jones 2014-06-05 148 int ret; 60aef7ce455653 Lee Jones 2014-06-05 149 60aef7ce455653 Lee Jones 2014-06-05 150 if (!np) { 60aef7ce455653 Lee Jones 2014-06-05 151 dev_err(dev, "device tree node not found\n"); 60aef7ce455653 Lee Jones 2014-06-05 152 return -EINVAL; 60aef7ce455653 Lee Jones 2014-06-05 153 } 60aef7ce455653 Lee Jones 2014-06-05 154 60aef7ce455653 Lee Jones 2014-06-05 155 sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); 60aef7ce455653 Lee Jones 2014-06-05 156 if (!sensor) 60aef7ce455653 Lee Jones 2014-06-05 157 return -ENOMEM; 60aef7ce455653 Lee Jones 2014-06-05 158 60aef7ce455653 Lee Jones 2014-06-05 159 sensor->dev = dev; 60aef7ce455653 Lee Jones 2014-06-05 160 60aef7ce455653 Lee Jones 2014-06-05 161 match = of_match_device(st_thermal_of_match, dev); 60aef7ce455653 Lee Jones 2014-06-05 162 if (!(match && match->data)) 60aef7ce455653 Lee Jones 2014-06-05 163 return -EINVAL; 60aef7ce455653 Lee Jones 2014-06-05 164 60aef7ce455653 Lee Jones 2014-06-05 165 sensor->cdata = match->data; 60aef7ce455653 Lee Jones 2014-06-05 166 if (!sensor->cdata->ops) 60aef7ce455653 Lee Jones 2014-06-05 167 return -EINVAL; 60aef7ce455653 Lee Jones 2014-06-05 168 60aef7ce455653 Lee Jones 2014-06-05 169 sensor->ops = sensor->cdata->ops; 60aef7ce455653 Lee Jones 2014-06-05 170 331a5fc9f2ed28 Nicolas Boichat 2015-07-08 171 ret = (sensor->ops->regmap_init)(sensor); 60aef7ce455653 Lee Jones 2014-06-05 172 if (ret) 60aef7ce455653 Lee Jones 2014-06-05 173 return ret; 60aef7ce455653 Lee Jones 2014-06-05 174 60aef7ce455653 Lee Jones 2014-06-05 175 ret = st_thermal_alloc_regfields(sensor); 60aef7ce455653 Lee Jones 2014-06-05 176 if (ret) 60aef7ce455653 Lee Jones 2014-06-05 177 return ret; 60aef7ce455653 Lee Jones 2014-06-05 178 60aef7ce455653 Lee Jones 2014-06-05 179 sensor->clk = devm_clk_get(dev, "thermal"); 60aef7ce455653 Lee Jones 2014-06-05 180 if (IS_ERR(sensor->clk)) { 60aef7ce455653 Lee Jones 2014-06-05 181 dev_err(dev, "failed to fetch clock\n"); 60aef7ce455653 Lee Jones 2014-06-05 182 return PTR_ERR(sensor->clk); 60aef7ce455653 Lee Jones 2014-06-05 183 } 60aef7ce455653 Lee Jones 2014-06-05 184 60aef7ce455653 Lee Jones 2014-06-05 185 if (sensor->ops->register_enable_irq) { 60aef7ce455653 Lee Jones 2014-06-05 186 ret = sensor->ops->register_enable_irq(sensor); 60aef7ce455653 Lee Jones 2014-06-05 187 if (ret) 60aef7ce455653 Lee Jones 2014-06-05 188 return ret; 60aef7ce455653 Lee Jones 2014-06-05 189 } 60aef7ce455653 Lee Jones 2014-06-05 190 60aef7ce455653 Lee Jones 2014-06-05 191 ret = st_thermal_sensor_on(sensor); 60aef7ce455653 Lee Jones 2014-06-05 192 if (ret) 60aef7ce455653 Lee Jones 2014-06-05 193 return ret; 60aef7ce455653 Lee Jones 2014-06-05 194 60aef7ce455653 Lee Jones 2014-06-05 195 ret = st_thermal_calibration(sensor); 60aef7ce455653 Lee Jones 2014-06-05 196 if (ret) 60aef7ce455653 Lee Jones 2014-06-05 197 goto sensor_off; 60aef7ce455653 Lee Jones 2014-06-05 198 60aef7ce455653 Lee Jones 2014-06-05 199 polling_delay = sensor->ops->register_enable_irq ? 0 : 1000; 60aef7ce455653 Lee Jones 2014-06-05 200 60aef7ce455653 Lee Jones 2014-06-05 201 sensor->thermal_dev = 9819ef601045bf Raphael Gallais-Pou 2024-06-25 202 devm_thermal_of_zone_register(dev, 0, sensor, &st_tz_ops); 60aef7ce455653 Lee Jones 2014-06-05 203 if (IS_ERR(sensor->thermal_dev)) { 9819ef601045bf Raphael Gallais-Pou 2024-06-25 204 dev_err(dev, "failed to register thermal of zone\n"); 60aef7ce455653 Lee Jones 2014-06-05 205 ret = PTR_ERR(sensor->thermal_dev); 60aef7ce455653 Lee Jones 2014-06-05 206 goto sensor_off; 60aef7ce455653 Lee Jones 2014-06-05 207 } 60aef7ce455653 Lee Jones 2014-06-05 208 60aef7ce455653 Lee Jones 2014-06-05 209 platform_set_drvdata(pdev, sensor); 60aef7ce455653 Lee Jones 2014-06-05 210 9819ef601045bf Raphael Gallais-Pou 2024-06-25 211 /* 9819ef601045bf Raphael Gallais-Pou 2024-06-25 212 * devm_thermal_of_zone_register() doesn't enable hwmon by default 9819ef601045bf Raphael Gallais-Pou 2024-06-25 213 * Enable it here 9819ef601045bf Raphael Gallais-Pou 2024-06-25 214 */ 9819ef601045bf Raphael Gallais-Pou 2024-06-25 215 return devm_thermal_add_hwmon_sysfs(dev, sensor->thermal_dev); 60aef7ce455653 Lee Jones 2014-06-05 216 60aef7ce455653 Lee Jones 2014-06-05 217 sensor_off: 60aef7ce455653 Lee Jones 2014-06-05 218 st_thermal_sensor_off(sensor); 60aef7ce455653 Lee Jones 2014-06-05 219 60aef7ce455653 Lee Jones 2014-06-05 220 return ret; 60aef7ce455653 Lee Jones 2014-06-05 221 } 60aef7ce455653 Lee Jones 2014-06-05 222 EXPORT_SYMBOL_GPL(st_thermal_register); 60aef7ce455653 Lee Jones 2014-06-05 223 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki