linux-kernel - Re: [PATCH v4 3/4] OPP: Add api to retrieve opps which is at most the provided level

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Message-ID: <202308230637.gz3wmjrT-lkp@intel.com>
Date:   Wed, 23 Aug 2023 07:10:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Krishna chaitanya chundru <quic_krichai@...cinc.com>,
        manivannan.sadhasivam@...aro.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        helgaas@...nel.org, linux-pci@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        quic_vbadigan@...cinc.com, quic_nitegupt@...cinc.com,
        quic_skananth@...cinc.com, quic_ramkri@...cinc.com,
        quic_parass@...cinc.com, krzysztof.kozlowski@...aro.org,
        Krishna chaitanya chundru <quic_krichai@...cinc.com>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        "(open list:OPERATING PERFORMANCE POINTS (OPP))" 
        <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v4 3/4] OPP: Add api to retrieve opps which is at most
 the provided level

Hi Krishna,

kernel test robot noticed the following build warnings:

[auto build test WARNING on pci/for-linus]
[also build test WARNING on robh/for-next rafael-pm/linux-next linus/master v6.5-rc7 next-20230822]
[cannot apply to pci/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/Krishna-chaitanya-chundru/dt-bindings-pci-qcom-Add-opp-table/20230822-232104
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git for-linus
patch link:    https://lore.kernel.org/r/1692717141-32743-4-git-send-email-quic_krichai%40quicinc.com
patch subject: [PATCH v4 3/4] OPP: Add api to retrieve opps which is at most the provided level
config: x86_64-randconfig-073-20230823 (https://download.01.org/0day-ci/archive/20230823/202308230637.gz3wmjrT-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230823/202308230637.gz3wmjrT-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/202308230637.gz3wmjrT-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/opp/core.c:756: warning: Function parameter or member 'level' not described in 'dev_pm_opp_find_level_floor'
>> drivers/opp/core.c:756: warning: Excess function parameter 'freq' description in 'dev_pm_opp_find_level_floor'
   drivers/opp/core.c:2025: warning: Function parameter or member 'opp_table' not described in '_opp_set_supported_hw'
   drivers/opp/core.c:2025: warning: Excess function parameter 'dev' description in '_opp_set_supported_hw'
   drivers/opp/core.c:2068: warning: Function parameter or member 'opp_table' not described in '_opp_set_prop_name'
   drivers/opp/core.c:2068: warning: Excess function parameter 'dev' description in '_opp_set_prop_name'
   drivers/opp/core.c:2109: warning: Function parameter or member 'opp_table' not described in '_opp_set_regulators'
   drivers/opp/core.c:2109: warning: Excess function parameter 'count' description in '_opp_set_regulators'
   drivers/opp/core.c:2213: warning: Function parameter or member 'opp_table' not described in '_opp_set_clknames'
   drivers/opp/core.c:2213: warning: Function parameter or member 'config_clks' not described in '_opp_set_clknames'
   drivers/opp/core.c:2311: warning: Function parameter or member 'opp_table' not described in '_opp_set_config_regulators_helper'
   drivers/opp/core.c:2375: warning: Function parameter or member 'opp_table' not described in '_opp_attach_genpd'
   drivers/opp/core.c:2602: warning: Function parameter or member 'token' not described in 'dev_pm_opp_clear_config'
   drivers/opp/core.c:2602: warning: Excess function parameter 'opp_table' description in 'dev_pm_opp_clear_config'


vim +756 drivers/opp/core.c

   734	
   735	
   736	/**
   737	 * dev_pm_opp_find_level_floor() - Search for a rounded floor freq
   738	 * @dev:	device for which we do this operation
   739	 * @freq:	Start level
   740	 *
   741	 * Search for the matching floor *available* OPP from a starting level
   742	 * for a device.
   743	 *
   744	 * Return: matching *opp and refreshes *level accordingly, else returns
   745	 * ERR_PTR in case of error and should be handled using IS_ERR. Error return
   746	 * values can be:
   747	 * EINVAL:	for bad pointer
   748	 * ERANGE:	no match found for search
   749	 * ENODEV:	if device not found in list of registered devices
   750	 *
   751	 * The callers are required to call dev_pm_opp_put() for the returned OPP after
   752	 * use.
   753	 */
   754	struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev,
   755						      unsigned long *level)
 > 756	{
   757		return _find_key_floor(dev, level, 0, true, _read_level, NULL);
   758	}
   759	EXPORT_SYMBOL_GPL(dev_pm_opp_find_level_floor);
   760	

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