linux-kernel - Re: [PATCH v4 4/8] ACPI: CPPC: add APIs and sysfs interface for min/max

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Message-ID: <202511061802.lIq09jwh-lkp@intel.com>
Date: Thu, 6 Nov 2025 18:30:18 +0800
From: kernel test robot <lkp@...el.com>
To: Sumit Gupta <sumitg@...dia.com>, rafael@...nel.org,
	viresh.kumar@...aro.org, lenb@...nel.org, robert.moore@...el.com,
	corbet@....net, pierre.gondois@....com, zhenglifeng1@...wei.com,
	rdunlap@...radead.org, ray.huang@....com, gautham.shenoy@....com,
	mario.limonciello@....com, perry.yuan@....com,
	ionela.voinescu@....com, zhanjie9@...ilicon.com,
	linux-pm@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-doc@...r.kernel.org, acpica-devel@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-tegra@...r.kernel.org, treding@...dia.com,
	jonathanh@...dia.com, vsethi@...dia.com, ksitaraman@...dia.com,
	sanjayc@...dia.com, nhartman@...dia.com, bbasu@...dia.com,
	sumitg@...dia.com
Subject: Re: [PATCH v4 4/8] ACPI: CPPC: add APIs and sysfs interface for
 min/max_perf

Hi Sumit,

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-rc4 next-20251106]
[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/Sumit-Gupta/cpufreq-CPPC-Add-generic-helpers-for-sysfs-show-store/20251105-194715
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20251105113844.4086250-5-sumitg%40nvidia.com
patch subject: [PATCH v4 4/8] ACPI: CPPC: add APIs and sysfs interface for min/max_perf
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20251106/202511061802.lIq09jwh-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project d2625a438020ad35330cda29c3def102c1687b1b)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251106/202511061802.lIq09jwh-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/202511061802.lIq09jwh-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: drivers/cpufreq/cppc_cpufreq.c:954 function parameter 'policy' not described in 'show_min_perf'
>> Warning: drivers/cpufreq/cppc_cpufreq.c:954 function parameter 'buf' not described in 'show_min_perf'
>> Warning: drivers/cpufreq/cppc_cpufreq.c:976 function parameter 'policy' not described in 'store_min_perf'
>> Warning: drivers/cpufreq/cppc_cpufreq.c:976 function parameter 'buf' not described in 'store_min_perf'
>> Warning: drivers/cpufreq/cppc_cpufreq.c:976 function parameter 'count' not described in 'store_min_perf'
>> Warning: drivers/cpufreq/cppc_cpufreq.c:1003 function parameter 'policy' not described in 'show_max_perf'
>> Warning: drivers/cpufreq/cppc_cpufreq.c:1003 function parameter 'buf' not described in 'show_max_perf'
>> Warning: drivers/cpufreq/cppc_cpufreq.c:1025 function parameter 'policy' not described in 'store_max_perf'
>> Warning: drivers/cpufreq/cppc_cpufreq.c:1025 function parameter 'buf' not described in 'store_max_perf'
>> Warning: drivers/cpufreq/cppc_cpufreq.c:1025 function parameter 'count' not described in 'store_max_perf'

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