linux-kernel - Re: [PATCH v1 4/4] cpufreq: Update set_boost callbacks to rely on boost_freq

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Message-ID: <202512052257.WliHSJi6-lkp@intel.com>
Date: Fri, 5 Dec 2025 23:16:36 +0800
From: kernel test robot <lkp@...el.com>
To: Pierre Gondois <pierre.gondois@....com>, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Christian Loehle <christian.loehle@....com>,
	Ionela Voinescu <ionela.voinescu@....com>, zhenglifeng1@...wei.com,
	Jie Zhan <zhanjie9@...ilicon.com>,
	Pierre Gondois <pierre.gondois@....com>,
	Huang Rui <ray.huang@....com>,
	"Gautham R. Shenoy" <gautham.shenoy@....com>,
	Mario Limonciello <mario.limonciello@....com>,
	Perry Yuan <perry.yuan@....com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>, linux-pm@...r.kernel.org
Subject: Re: [PATCH v1 4/4] cpufreq: Update set_boost callbacks to rely on
 boost_freq_req

Hi Pierre,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on rafael-pm/bleeding-edge linus/master v6.18 next-20251205]
[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/Pierre-Gondois/Revert-cpufreq-Fix-re-boost-issue-after-hotplugging-a-CPU/20251204-182201
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20251204101344.192678-5-pierre.gondois%40arm.com
patch subject: [PATCH v1 4/4] cpufreq: Update set_boost callbacks to rely on boost_freq_req
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20251205/202512052257.WliHSJi6-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 14bf95b06a18b9b59c89601cbc0e5a6f2176b118)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251205/202512052257.WliHSJi6-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512052257.WliHSJi6-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/cpufreq/cppc_cpufreq.c:771:6: warning: unused variable 'ret' [-Wunused-variable]
     771 |         int ret;
         |             ^~~
   1 warning generated.


vim +/ret +771 drivers/cpufreq/cppc_cpufreq.c

33477d84c26bbf George Cherian  2018-07-11  766  
54e74df5d76dea Xiongfeng Wang  2020-05-30  767  static int cppc_cpufreq_set_boost(struct cpufreq_policy *policy, int state)
54e74df5d76dea Xiongfeng Wang  2020-05-30  768  {
a28b2bfc099c6b Ionela Voinescu 2020-12-14  769  	struct cppc_cpudata *cpu_data = policy->driver_data;
bb025fb6c276ac Ionela Voinescu 2020-11-05  770  	struct cppc_perf_caps *caps = &cpu_data->perf_caps;
54e74df5d76dea Xiongfeng Wang  2020-05-30 @771  	int ret;
54e74df5d76dea Xiongfeng Wang  2020-05-30  772  
54e74df5d76dea Xiongfeng Wang  2020-05-30  773  	if (state)
75f25e3bda7140 Pierre Gondois  2025-12-04  774  		policy->cpuinfo.max_freq = cppc_perf_to_khz(caps, caps->highest_perf);
54e74df5d76dea Xiongfeng Wang  2020-05-30  775  	else
75f25e3bda7140 Pierre Gondois  2025-12-04  776  		policy->cpuinfo.max_freq = cppc_perf_to_khz(caps, caps->nominal_perf);
54e74df5d76dea Xiongfeng Wang  2020-05-30  777  
54e74df5d76dea Xiongfeng Wang  2020-05-30  778  	return 0;
54e74df5d76dea Xiongfeng Wang  2020-05-30  779  }
54e74df5d76dea Xiongfeng Wang  2020-05-30  780  

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