tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 549738f15da0e5a00275977623be199fbbf7df50 commit: 3bc6d790c39dfc4539c36525e6bcb617abbae467 power: supply: Add support for mps mp2629 battery charger date: 4 months ago :::::: branch date: 12 hours ago :::::: commit date: 4 months ago compiler: sh4-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; vim +522 drivers/power/supply/mp2629_charger.c 3bc6d790c39dfc Saravanan Sekar 2020-05-26 508 3bc6d790c39dfc Saravanan Sekar 2020-05-26 509 static ssize_t batt_impedance_compensation_show(struct device *dev, 3bc6d790c39dfc Saravanan Sekar 2020-05-26 510 struct device_attribute *attr, 3bc6d790c39dfc Saravanan Sekar 2020-05-26 511 char *buf) 3bc6d790c39dfc Saravanan Sekar 2020-05-26 512 { 3bc6d790c39dfc Saravanan Sekar 2020-05-26 513 struct mp2629_charger *charger = dev_get_drvdata(dev->parent); 3bc6d790c39dfc Saravanan Sekar 2020-05-26 514 unsigned int rval; 3bc6d790c39dfc Saravanan Sekar 2020-05-26 515 int ret; 3bc6d790c39dfc Saravanan Sekar 2020-05-26 516 3bc6d790c39dfc Saravanan Sekar 2020-05-26 517 ret = regmap_read(charger->regmap, MP2629_REG_IMPEDANCE_COMP, &rval); 3bc6d790c39dfc Saravanan Sekar 2020-05-26 518 if (ret) 3bc6d790c39dfc Saravanan Sekar 2020-05-26 519 return ret; 3bc6d790c39dfc Saravanan Sekar 2020-05-26 520 3bc6d790c39dfc Saravanan Sekar 2020-05-26 521 rval = (rval >> 4) * 10; 3bc6d790c39dfc Saravanan Sekar 2020-05-26 @522 return sprintf(buf, "%d mohm\n", rval); 3bc6d790c39dfc Saravanan Sekar 2020-05-26 523 } 3bc6d790c39dfc Saravanan Sekar 2020-05-26 524 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org