Hi Sung-Chi, kernel test robot noticed the following build warnings: [auto build test WARNING on 9fbcd7b32bf7c0a5bda0f22c25df29d00a872017] url: https://github.com/intel-lab-lkp/linux/commits/Sung-Chi-Li/hwmon-cros_ec-Add-setting-target-fan-RPM-function/20250313-125018 base: 9fbcd7b32bf7c0a5bda0f22c25df29d00a872017 patch link: https://lore.kernel.org/r/20250313-extend_ec_hwmon_fan-v1-2-5c566776f2c4%40chromium.org patch subject: [PATCH 2/3] hwmon: (cros_ec) Add reading target fan RPM function config: x86_64-randconfig-121-20250314 (https://download.01.org/0day-ci/archive/20250314/202503141908.rieksBce-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/20250314/202503141908.rieksBce-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/202503141908.rieksBce-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/hwmon/cros_ec_hwmon.c:48:18: sparse: sparse: cast to restricted __le32 vim +48 drivers/hwmon/cros_ec_hwmon.c 38 39 static int cros_ec_hwmon_read_fan_target(struct cros_ec_device *cros_ec, u8 index, int32_t *speed) 40 { 41 int ret; 42 struct ec_response_pwm_get_fan_rpm r; 43 44 ret = cros_ec_cmd(cros_ec, 0, EC_CMD_PWM_GET_FAN_TARGET_RPM, NULL, 0, &r, sizeof(r)); 45 if (ret < 0) 46 return ret; 47 > 48 *speed = le32_to_cpu(r.rpm); 49 return 0; 50 } 51 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
