Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on a64dcfb451e254085a7daee5fe51bf22959d52d3] url: https://github.com/intel-lab-lkp/linux/commits/Mathieu-Dubois-Briand/dt-bindings-mfd-gpio-Add-MAX7360/20250319-003750 base: a64dcfb451e254085a7daee5fe51bf22959d52d3 patch link: https://lore.kernel.org/r/20250318-mdb-max7360-support-v5-4-fb20baf97da0%40bootlin.com patch subject: [PATCH v5 04/11] pwm: max7360: Add MAX7360 PWM support config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250319/202503192044.ICDBVYzc-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250319/202503192044.ICDBVYzc-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/202503192044.ICDBVYzc-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/pwm/pwm-max7360.c: In function 'max7360_pwm_request': >> drivers/pwm/pwm-max7360.c:41:17: warning: variable 'dev' set but not used [-Wunused-but-set-variable] struct device *dev; ^~~ drivers/pwm/pwm-max7360.c: In function 'max7360_pwm_free': drivers/pwm/pwm-max7360.c:58:17: warning: variable 'dev' set but not used [-Wunused-but-set-variable] struct device *dev; ^~~ vim +/dev +41 drivers/pwm/pwm-max7360.c 37 38 static int max7360_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) 39 { 40 struct regmap *regmap; > 41 struct device *dev; 42 int ret; 43 44 regmap = pwmchip_get_drvdata(chip); 45 dev = regmap_get_device(regmap); 46 47 ret = regmap_write_bits(regmap, MAX7360_REG_PWMCFG(pwm->hwpwm), 48 MAX7360_PORT_CFG_COMMON_PWM, 0); 49 if (ret) 50 return ret; 51 52 return regmap_write_bits(regmap, MAX7360_REG_PORTS, BIT(pwm->hwpwm), BIT(pwm->hwpwm)); 53 } 54 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
