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Date: Wed, 27 Sep 2023 21:17:27 +0800
From: kernel test robot <lkp@...el.com>
To: Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
	netdev@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, vadim.fedorenko@...ux.dev,
	jiri@...nulli.us, corbet@....net, davem@...emloft.net,
	kuba@...nel.org, pabeni@...hat.com, jesse.brandeburg@...el.com,
	anthony.l.nguyen@...el.com, linux-doc@...r.kernel.org,
	intel-wired-lan@...ts.osuosl.org,
	Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>
Subject: Re: [PATCH net-next 4/4] ice: dpll: implement phase related callbacks

Hi Arkadiusz,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Arkadiusz-Kubalewski/dpll-docs-add-support-for-pin-signal-phase-offset-adjust/20230927-172843
base:   net-next/main
patch link:    https://lore.kernel.org/r/20230927092435.1565336-5-arkadiusz.kubalewski%40intel.com
patch subject: [PATCH net-next 4/4] ice: dpll: implement phase related callbacks
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230927/202309272113.rttl6e6s-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230927/202309272113.rttl6e6s-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/202309272113.rttl6e6s-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/intel/ice/ice_dpll.c:1064: warning: Function parameter or member 'phase_offset' not described in 'ice_dpll_phase_offset_get'
>> drivers/net/ethernet/intel/ice/ice_dpll.c:1064: warning: Excess function parameter 'phase_adjust' description in 'ice_dpll_phase_offset_get'


vim +1064 drivers/net/ethernet/intel/ice/ice_dpll.c

  1039	
  1040	#define ICE_DPLL_PHASE_OFFSET_DIVIDER	100
  1041	#define ICE_DPLL_PHASE_OFFSET_FACTOR		\
  1042		(DPLL_PHASE_OFFSET_DIVIDER / ICE_DPLL_PHASE_OFFSET_DIVIDER)
  1043	/**
  1044	 * ice_dpll_phase_offset_get - callback for get dpll phase shift value
  1045	 * @pin: pointer to a pin
  1046	 * @pin_priv: private data pointer passed on pin registration
  1047	 * @dpll: registered dpll pointer
  1048	 * @dpll_priv: private data pointer passed on dpll registration
  1049	 * @phase_adjust: on success holds pin phase_adjust value
  1050	 * @extack: error reporting
  1051	 *
  1052	 * Dpll subsystem callback. Handler for getting phase shift value between
  1053	 * dpll's input and output.
  1054	 *
  1055	 * Context: Acquires pf->dplls.lock
  1056	 * Return:
  1057	 * * 0 - success
  1058	 * * negative - error
  1059	 */
  1060	static int
  1061	ice_dpll_phase_offset_get(const struct dpll_pin *pin, void *pin_priv,
  1062				  const struct dpll_device *dpll, void *dpll_priv,
  1063				  s64 *phase_offset, struct netlink_ext_ack *extack)
> 1064	{
  1065		struct ice_dpll *d = dpll_priv;
  1066		struct ice_pf *pf = d->pf;
  1067	
  1068		mutex_lock(&pf->dplls.lock);
  1069		if (d->active_input == pin)
  1070			*phase_offset = d->phase_offset * ICE_DPLL_PHASE_OFFSET_FACTOR;
  1071		else
  1072			*phase_offset = 0;
  1073		mutex_unlock(&pf->dplls.lock);
  1074	
  1075		return 0;
  1076	}
  1077	

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

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