Re: [PATCH] PM: QoS: Introduce boot parameter pm_qos_resume_latency_us

[kernel test robot <lkp@intel.com>]

Hi Aaron,

kernel test robot noticed the following build warnings:

[auto build test WARNING on driver-core/driver-core-testing]
[also build test WARNING on driver-core/driver-core-next driver-core/driver-core-linus rafael-pm/linux-next rafael-pm/bleeding-edge linus/master amd-pstate/linux-next amd-pstate/bleeding-edge v6.19-rc6 next-20260122]
[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/Aaron-Tomlin/PM-QoS-Introduce-boot-parameter-pm_qos_resume_latency_us/20260123-090409
base:   driver-core/driver-core-testing
patch link:    https://lore.kernel.org/r/20260123010024.3301276-1-atomlin%40atomlin.com
patch subject: [PATCH] PM: QoS: Introduce boot parameter pm_qos_resume_latency_us
config: powerpc64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260123/202601231030.N1gaWeuj-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260123/202601231030.N1gaWeuj-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/202601231030.N1gaWeuj-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> kernel/power/qos.c:56:13: warning: 'pm_qos_resume_latency_cmdline' defined but not used [-Wunused-variable]
      56 | static char pm_qos_resume_latency_cmdline[COMMAND_LINE_SIZE] __initdata;
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/pm_qos_resume_latency_cmdline +56 kernel/power/qos.c

    55	
  > 56	static char pm_qos_resume_latency_cmdline[COMMAND_LINE_SIZE] __initdata;
    57	

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