Hi Jaghathiswari, [auto build test WARNING on hwmon/hwmon-next] [also build test WARNING on v4.10-rc5 next-20170125] [cannot apply to linux/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Jaghathiswari-Rankappagounder-Natarajan/Documentation-dt-bindings-Document-bindings-for-ASPEED-AST2400-AST2500-PWM-and-Fan-tach-controller-device-driver/20170127-174933 base: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next config: openrisc-allyesconfig (attached as .config) compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=openrisc All warnings (new ones prefixed by >>): drivers/hwmon/aspeed-pwm-tacho.c: In function 'aspeed_get_fan_tach_ch_rpm': >> drivers/hwmon/aspeed-pwm-tacho.c:492:16: warning: unused variable 'rpm' vim +/rpm +492 drivers/hwmon/aspeed-pwm-tacho.c 476 div_l = priv->type_pwm_clock_division_l[type]; 477 if (div_l == 0) 478 div_l = 1; 479 else 480 div_l = div_l * 2; 481 482 tacho_unit = priv->type_fan_tach_unit[type]; 483 tacho_div = priv->type_fan_tach_clock_division[type]; 484 485 tacho_div = 0x4 << (tacho_div * 2); 486 return clk / (clk_unit * div_h * div_l * tacho_div * tacho_unit); 487 } 488 489 static u32 aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv, 490 u8 fan_tach_ch) 491 { > 492 u32 raw_data, rpm, tach_div, clk_source, timeout = 0, sec, val; 493 u8 fan_tach_ch_source, type; 494 495 regmap_write(priv->regmap, ASPEED_PTCR_TRIGGER, 0); 496 regmap_write(priv->regmap, ASPEED_PTCR_TRIGGER, 0x1 << fan_tach_ch); 497 498 fan_tach_ch_source = priv->fan_tach_ch_source[fan_tach_ch]; 499 type = priv->pwm_port_type[fan_tach_ch_source]; 500 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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