tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3d5895cd351757f69c9a66fb5fc8cf19f454d773 commit: 34b877d972bec8cbf397a57393317672cf92996f mt76: mt7915: add thermal cooling device support date: 5 weeks ago config: alpha-randconfig-s031-20210722 (attached as .config) compiler: alpha-linux-gcc (GCC) 10.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 34b877d972bec8cbf397a57393317672cf92996f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/net/wireless/mediatek/mt76/mt7915/init.c:134:58: sparse: expected char *type drivers/net/wireless/mediatek/mt76/mt7915/init.c:134:58: sparse: got char const * vim +134 drivers/net/wireless/mediatek/mt76/mt7915/init.c 127 128 static int mt7915_thermal_init(struct mt7915_phy *phy) 129 { 130 struct wiphy *wiphy = phy->mt76->hw->wiphy; 131 struct thermal_cooling_device *cdev; 132 struct device *hwmon; 133 135 &mt7915_thermal_ops); 136 if (!IS_ERR(cdev)) { 137 if (sysfs_create_link(&wiphy->dev.kobj, &cdev->device.kobj, 138 "cooling_device") < 0) 139 thermal_cooling_device_unregister(cdev); 140 else 141 phy->cdev = cdev; 142 } 143 144 if (!IS_REACHABLE(CONFIG_HWMON)) 145 return 0; 146 147 hwmon = devm_hwmon_device_register_with_groups(&wiphy->dev, 148 wiphy_name(wiphy), phy, 149 mt7915_hwmon_groups); 150 if (IS_ERR(hwmon)) 151 return PTR_ERR(hwmon); 152 153 return 0; 154 } 155 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org