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SubjectRe: [PATCH v2] PM: sleep: Expose last succeeded resumed timestamp in sysfs
Hi Masami,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.6-rc7 next-20231027]
[cannot apply to pavel-leds/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Masami-Hiramatsu-Google/PM-sleep-Expose-last-succeeded-resumed-timestamp-in-sysfs/20231028-093251
base: linus/master
patch link: https://lore.kernel.org/r/169845668624.1319505.1097714089024984847.stgit%40mhiramat.roam.corp.google.com
patch subject: [PATCH v2] PM: sleep: Expose last succeeded resumed timestamp in sysfs
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20231028/202310281942.ZwkSMsVB-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231028/202310281942.ZwkSMsVB-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310281942.ZwkSMsVB-lkp@intel.com/

All warnings (new ones prefixed by >>):

kernel/power/main.c: In function 'last_success_resume_time_show':
>> kernel/power/main.c:427:38: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 4 has type 'long int' [-Wformat=]
427 | return sprintf(buf, "%llu.%llu\n",
| ~~~^
| |
| long long unsigned int
| %lu
428 | suspend_stats.last_success_resume_time.tv_sec,
429 | suspend_stats.last_success_resume_time.tv_nsec);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| long int
kernel/power/main.c: In function 'suspend_stats_show':
kernel/power/main.c:528:62: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 4 has type 'long int' [-Wformat=]
528 | seq_printf(s, "last_success_resume_time:\t%-llu.%llu\n",
| ~~~^
| |
| long long unsigned int
| %lu
529 | suspend_stats.last_success_resume_time.tv_sec,
530 | suspend_stats.last_success_resume_time.tv_nsec);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| long int


vim +427 kernel/power/main.c

423
424 static ssize_t last_success_resume_time_show(struct kobject *kobj,
425 struct kobj_attribute *attr, char *buf)
426 {
> 427 return sprintf(buf, "%llu.%llu\n",
428 suspend_stats.last_success_resume_time.tv_sec,
429 suspend_stats.last_success_resume_time.tv_nsec);
430 }
431 static struct kobj_attribute last_success_resume_time =
432 __ATTR_RO(last_success_resume_time);
433

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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