tree: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-next head: bb077c79ffcab5f044c8172825f05fa122fbe7d0 commit: 5452ef62fbc3c5ac86f8c80ce1201a07618abc9c [6/27] hwmon: (ina3221) Fix PM usage counter unbalance in ina3221_write_enable config: i386-randconfig-r003-20201129 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git/commit/?id=5452ef62fbc3c5ac86f8c80ce1201a07618abc9c git remote add hwmon https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git git fetch --no-tags hwmon hwmon-next git checkout 5452ef62fbc3c5ac86f8c80ce1201a07618abc9c # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/hwmon/ina3221.c: In function 'ina3221_write_enable': >> drivers/hwmon/ina3221.c:492:9: error: implicit declaration of function 'pm_runtime_resume_and_get'; did you mean 'pm_runtime_resume'? [-Werror=implicit-function-declaration] 492 | ret = pm_runtime_resume_and_get(ina->pm_dev); | ^~~~~~~~~~~~~~~~~~~~~~~~~ | pm_runtime_resume cc1: some warnings being treated as errors vim +492 drivers/hwmon/ina3221.c 475 476 static int ina3221_write_enable(struct device *dev, int channel, bool enable) 477 { 478 struct ina3221_data *ina = dev_get_drvdata(dev); 479 u16 config, mask = INA3221_CONFIG_CHx_EN(channel); 480 u16 config_old = ina->reg_config & mask; 481 u32 tmp; 482 int ret; 483 484 config = enable ? mask : 0; 485 486 /* Bypass if enable status is not being changed */ 487 if (config_old == config) 488 return 0; 489 490 /* For enabling routine, increase refcount and resume() at first */ 491 if (enable) { > 492 ret = pm_runtime_resume_and_get(ina->pm_dev); 493 if (ret < 0) { 494 dev_err(dev, "Failed to get PM runtime\n"); 495 return ret; 496 } 497 } 498 499 /* Enable or disable the channel */ 500 tmp = (ina->reg_config & ~mask) | (config & mask); 501 ret = regmap_write(ina->regmap, INA3221_CONFIG, tmp); 502 if (ret) 503 goto fail; 504 505 /* Cache the latest config register value */ 506 ina->reg_config = tmp; 507 508 /* For disabling routine, decrease refcount or suspend() at last */ 509 if (!enable) 510 pm_runtime_put_sync(ina->pm_dev); 511 512 return 0; 513 514 fail: 515 if (enable) { 516 dev_err(dev, "Failed to enable channel %d: error %d\n", 517 channel, ret); 518 pm_runtime_put_sync(ina->pm_dev); 519 } 520 521 return ret; 522 } 523 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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