Hi Alexandre, I love your patch! Perhaps something to improve: [auto build test WARNING on abelloni/rtc-next] [also build test WARNING on robh/for-next v5.9-rc7 next-20200929] [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] url: https://github.com/0day-ci/linux/commits/Alexandre-Belloni/dt-bindings-rtc-add-trickle-voltage-mV/20200922-013149 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next config: nds32-randconfig-r035-20200930 (attached as .config) compiler: nds32le-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/038302bc860e9c8ecb37dad9fc74d823bd57fdbe git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Alexandre-Belloni/dt-bindings-rtc-add-trickle-voltage-mV/20200922-013149 git checkout 038302bc860e9c8ecb37dad9fc74d823bd57fdbe # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/rtc/rtc-rv3032.c: In function 'rv3032_trickle_charger_setup': >> drivers/rtc/rtc-rv3032.c:485:6: warning: variable 'val' set but not used [-Wunused-but-set-variable] 485 | u32 val, ohms, voltage; | ^~~ vim +/val +485 drivers/rtc/rtc-rv3032.c 482 483 static int rv3032_trickle_charger_setup(struct device *dev, struct rv3032_data *rv3032) 484 { > 485 u32 val, ohms, voltage; 486 int i, ret; 487 488 val = FIELD_PREP(RV3032_PMU_TCM, 1) | FIELD_PREP(RV3032_PMU_BSM, RV3032_PMU_BSM_DSM); 489 if (!device_property_read_u32(dev, "trickle-voltage-mV", &voltage)) { 490 for (i = 0; i < ARRAY_SIZE(rv3032_trickle_voltages); i++) 491 if (voltage == rv3032_trickle_voltages[i]) 492 break; 493 if (i < ARRAY_SIZE(rv3032_trickle_voltages)) 494 val = FIELD_PREP(RV3032_PMU_TCM, i) | 495 FIELD_PREP(RV3032_PMU_BSM, RV3032_PMU_BSM_LSM); 496 } 497 498 if (!device_property_read_u32(dev, "trickle-resistor-ohms", &ohms)) { 499 for (i = 0; i < ARRAY_SIZE(rv3032_trickle_resistors); i++) 500 if (ohms == rv3032_trickle_resistors[i]) 501 break; 502 503 if (i < ARRAY_SIZE(rv3032_trickle_resistors)) { 504 ret = regmap_update_bits(rv3032->regmap, RV3032_PMU, 505 RV3032_PMU_TCR | RV3032_PMU_TCM | RV3032_PMU_BSM, 506 FIELD_PREP(RV3032_PMU_TCR, i)); 507 if (ret) 508 return ret; 509 } else { 510 dev_warn(dev, "invalid trickle resistor value\n"); 511 } 512 } 513 514 return 0; 515 } 516 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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