Hi Shilpasri, [auto build test WARNING on tip/perf/core] [also build test WARNING on v4.4-rc7 next-20151231] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Shilpasri-G-Bhat/cpufreq-powernv-tracing-Add-powernv_throttle-tracepoint/20160102-062606 config: powerpc-defconfig (attached as .config) 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=powerpc All warnings (new ones prefixed by >>): drivers/cpufreq/powernv-cpufreq.c: In function 'occ_reset_show': >> drivers/cpufreq/powernv-cpufreq.c:609:2: warning: ignoring return value of >> 'kstrtoint', declared with attribute warn_unused_result [-Wunused-result] kstrtoint(kobj->name + 4, 0, &id); \ ^ drivers/cpufreq/powernv-cpufreq.c:625:1: note: in expansion of macro 'define_throttle_reason_attr' define_throttle_reason_attr(occ_reset, OCC_RESET_THROTTLE); ^ drivers/cpufreq/powernv-cpufreq.c: In function 'over_current_show': >> drivers/cpufreq/powernv-cpufreq.c:609:2: warning: ignoring return value of >> 'kstrtoint', declared with attribute warn_unused_result [-Wunused-result] kstrtoint(kobj->name + 4, 0, &id); \ ^ drivers/cpufreq/powernv-cpufreq.c:624:1: note: in expansion of macro 'define_throttle_reason_attr' define_throttle_reason_attr(over_current, OVERCURRENT); ^ drivers/cpufreq/powernv-cpufreq.c: In function 'power_supply_failure_show': >> drivers/cpufreq/powernv-cpufreq.c:609:2: warning: ignoring return value of >> 'kstrtoint', declared with attribute warn_unused_result [-Wunused-result] kstrtoint(kobj->name + 4, 0, &id); \ ^ drivers/cpufreq/powernv-cpufreq.c:623:1: note: in expansion of macro 'define_throttle_reason_attr' define_throttle_reason_attr(power_supply_failure, POWER_SUPPLY_FAILURE); ^ drivers/cpufreq/powernv-cpufreq.c: In function 'cpu_over_temperature_show': >> drivers/cpufreq/powernv-cpufreq.c:609:2: warning: ignoring return value of >> 'kstrtoint', declared with attribute warn_unused_result [-Wunused-result] kstrtoint(kobj->name + 4, 0, &id); \ ^ drivers/cpufreq/powernv-cpufreq.c:622:1: note: in expansion of macro 'define_throttle_reason_attr' define_throttle_reason_attr(cpu_over_temperature, CPU_OVERTEMP); ^ drivers/cpufreq/powernv-cpufreq.c: In function 'power_cap_show': >> drivers/cpufreq/powernv-cpufreq.c:609:2: warning: ignoring return value of >> 'kstrtoint', declared with attribute warn_unused_result [-Wunused-result] kstrtoint(kobj->name + 4, 0, &id); \ ^ drivers/cpufreq/powernv-cpufreq.c:621:1: note: in expansion of macro 'define_throttle_reason_attr' define_throttle_reason_attr(power_cap, POWERCAP); ^ drivers/cpufreq/powernv-cpufreq.c: In function 'throttle_reset_show': >> drivers/cpufreq/powernv-cpufreq.c:609:2: warning: ignoring return value of >> 'kstrtoint', declared with attribute warn_unused_result [-Wunused-result] kstrtoint(kobj->name + 4, 0, &id); \ ^ drivers/cpufreq/powernv-cpufreq.c:620:1: note: in expansion of macro 'define_throttle_reason_attr' define_throttle_reason_attr(throttle_reset, NO_THROTTLE); ^ drivers/cpufreq/powernv-cpufreq.c: In function 'throttle_stat_show': drivers/cpufreq/powernv-cpufreq.c:589:2: warning: ignoring return value of 'kstrtoint', declared with attribute warn_unused_result [-Wunused-result] kstrtoint(kobj->name + 4, 0, &id); ^ drivers/cpufreq/powernv-cpufreq.c: In function 'throttle_freq_show': drivers/cpufreq/powernv-cpufreq.c:568:2: warning: ignoring return value of 'kstrtoint', declared with attribute warn_unused_result [-Wunused-result] kstrtoint(kobj->name + 4, 0, &id); ^ vim +/kstrtoint +609 drivers/cpufreq/powernv-cpufreq.c 593 594 count += sprintf(&buf[count], "turbo %d\n", chips[i].throt_turbo); 595 count += sprintf(&buf[count], "sub-turbo %d\n", chips[i].throt_nominal); 596 597 return count; 598 } 599 600 static struct kobj_attribute attr_throttle_stat = 601 __ATTR(throttle_stat, 0444, throttle_stat_show, NULL); 602 603 #define define_throttle_reason_attr(attr_name, val) \ 604 static ssize_t attr_name##_show(struct kobject *kobj, \ 605 struct kobj_attribute *attr, char *buf) \ 606 { \ 607 int i, id; \ 608 \ > 609 kstrtoint(kobj->name + 4, 0, &id); > \ 610 for (i = 0; i < nr_chips; i++) \ 611 if (chips[i].id == id) \ 612 break; \ 613 \ 614 return sprintf(buf, "%d\n", chips[i].reason[val]); \ 615 } \ 616 \ 617 static struct kobj_attribute attr_##attr_name = \ --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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