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charset=us-ascii Content-Disposition: inline In-Reply-To: <20241126-veml6031x00-v1-2-4affa62bfefd@gmail.com> Hi Javier, kernel test robot noticed the following build warnings: [auto build test WARNING on a61ff7eac77e86de828fe28c4e42b8ae9ec2b195] url: https://github.com/intel-lab-lkp/linux/commits/Javier-Carrasco/dt-bindings-iio-light-veml6030-add-veml6031x00-ALS-series/20241128-104104 base: a61ff7eac77e86de828fe28c4e42b8ae9ec2b195 patch link: https://lore.kernel.org/r/20241126-veml6031x00-v1-2-4affa62bfefd%40gmail.com patch subject: [PATCH 2/2] iio: light: add support for veml6031x00 ALS series config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20241128/202411281741.xz7mD4E2-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241128/202411281741.xz7mD4E2-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202411281741.xz7mD4E2-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/iio/light/veml6031x00.c: In function 'veml6031x00_set_scale': >> drivers/iio/light/veml6031x00.c:422:24: warning: variable 'gain_idx' set but not used [-Wunused-but-set-variable] 422 | int new_scale, gain_idx; | ^~~~~~~~ vim +/gain_idx +422 drivers/iio/light/veml6031x00.c 418 419 static int veml6031x00_set_scale(struct iio_dev *iio, int val, int val2) 420 { 421 struct veml6031x00_data *data = iio_priv(iio); > 422 int new_scale, gain_idx; 423 424 if (val == 0 && val2 == 125000) { 425 new_scale = FIELD_PREP(VEML6031X00_CONF1_GAIN, 0x03) | 426 VEML6031X00_CONF1_PD_D4; 427 gain_idx = 0; 428 } else if (val == 0 && val2 == 165000) { 429 new_scale = FIELD_PREP(VEML6031X00_CONF1_GAIN, 0x02) | 430 VEML6031X00_CONF1_PD_D4; 431 gain_idx = 1; 432 } else if (val == 0 && val2 == 250000) { 433 new_scale = FIELD_PREP(VEML6031X00_CONF1_GAIN, 0x00) | 434 VEML6031X00_CONF1_PD_D4; 435 gain_idx = 2; 436 } else if (val == 0 && val2 == 500000) { 437 new_scale = FIELD_PREP(VEML6031X00_CONF1_GAIN, 0x03); 438 gain_idx = 3; 439 } else if (val == 0 && val2 == 660000) { 440 new_scale = FIELD_PREP(VEML6031X00_CONF1_GAIN, 0x02); 441 gain_idx = 4; 442 } else if (val == 1 && val2 == 0) { 443 new_scale = FIELD_PREP(VEML6031X00_CONF1_GAIN, 0x00); 444 gain_idx = 5; 445 } else if (val == 2 && val2 == 0) { 446 new_scale = FIELD_PREP(VEML6031X00_CONF1_GAIN, 0x01); 447 gain_idx = 6; 448 } else { 449 return -EINVAL; 450 } 451 452 return regmap_update_bits(data->regmap, VEML6031X00_REG_CONF1, 453 VEML6031X00_CONF1_GAIN | 454 VEML6031X00_CONF1_PD_D4, 455 new_scale); 456 } 457 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki