Hi Subu, kernel test robot noticed the following build warnings: [auto build test WARNING on groeck-staging/hwmon-next] [also build test WARNING on linus/master v6.14-rc6 next-20250313] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Subu-Dwevedi/hwmon-applesmc-add-MMIO-for-newer-macs/20250312-203248 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next patch link: https://lore.kernel.org/r/20250312123055.1735-3-messigoatcr7nop%40gmail.com patch subject: [PATCH 2/2] hwmon/applesmc: add fan support for newer macs config: i386-randconfig-002-20250313 (https://download.01.org/0day-ci/archive/20250313/202503132205.Vf8imlWS-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250313/202503132205.Vf8imlWS-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/202503132205.Vf8imlWS-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/hwmon/applesmc.c: In function 'applesmc_show_fan_manual': >> drivers/hwmon/applesmc.c:1155:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 1155 | int ret; | ^~~ vim +/ret +1155 drivers/hwmon/applesmc.c 6f2fad748ccced5 Nicolas Boichat 2007-05-08 1151 6f2fad748ccced5 Nicolas Boichat 2007-05-08 1152 static ssize_t applesmc_show_fan_manual(struct device *dev, 3eba2bf7c5fb786 Henrik Rydberg 2010-11-09 1153 struct device_attribute *attr, char *sysfsbuf) 6f2fad748ccced5 Nicolas Boichat 2007-05-08 1154 { 6f2fad748ccced5 Nicolas Boichat 2007-05-08 @1155 int ret; 6f2fad748ccced5 Nicolas Boichat 2007-05-08 1156 u16 manual = 0; 6f2fad748ccced5 Nicolas Boichat 2007-05-08 1157 u8 buffer[2]; 6f2fad748ccced5 Nicolas Boichat 2007-05-08 1158 beab9ce267efe06 Subu Dwevedi 2025-03-12 1159 if (is_fan_manual_fmt) { beab9ce267efe06 Subu Dwevedi 2025-03-12 1160 ret = applesmc_read_key(FANS_MANUAL_FMT, buffer, 1); beab9ce267efe06 Subu Dwevedi 2025-03-12 1161 manual = buffer[0]; beab9ce267efe06 Subu Dwevedi 2025-03-12 1162 } else { 6f2fad748ccced5 Nicolas Boichat 2007-05-08 1163 ret = applesmc_read_key(FANS_MANUAL, buffer, 2); cecf7560f00a841 Tom Rix 2020-08-20 1164 manual = ((buffer[0] << 8 | buffer[1]) >> to_index(attr)) & 0x01; beab9ce267efe06 Subu Dwevedi 2025-03-12 1165 } 1f4d4af4d7a1c79 Guenter Roeck 2021-03-21 1166 return sysfs_emit(sysfsbuf, "%d\n", manual); 6f2fad748ccced5 Nicolas Boichat 2007-05-08 1167 } 6f2fad748ccced5 Nicolas Boichat 2007-05-08 1168 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
