netdev - Re: [PATCH net-next v3 1/2] net: dsa: mv88e6xxx: Add functionality for handling RMU frames.

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Message-ID: <202209060114.YyFnMA33-lkp@intel.com>
Date:   Tue, 6 Sep 2022 02:14:18 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mattias Forsblad <mattias.forsblad@...il.com>,
        netdev@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Mattias Forsblad <mattias.forsblad@...il.com>
Subject: Re: [PATCH net-next v3 1/2] net: dsa: mv88e6xxx: Add functionality
 for handling RMU frames.

Hi Mattias,

Thank you for the patch! Perhaps something to improve:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Mattias-Forsblad/net-dsa-mv88e6xxx-qca8k-Add-RMU-support/20220905-212125
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 5f3c5193479e5b9d51b201245febab6fbda4c477
config: loongarch-buildonly-randconfig-r002-20220905 (https://download.01.org/0day-ci/archive/20220906/202209060114.YyFnMA33-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/50e5d9b5948e53c773edc3c710020e01f6045f9f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Mattias-Forsblad/net-dsa-mv88e6xxx-qca8k-Add-RMU-support/20220905-212125
        git checkout 50e5d9b5948e53c773edc3c710020e01f6045f9f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/net/dsa/mv88e6xxx/ net/mptcp/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/net/dsa/mv88e6xxx/chip.c:6888:5: warning: no previous prototype for 'mv88e6xxx_connect_tag_protocol' [-Wmissing-prototypes]
    6888 | int mv88e6xxx_connect_tag_protocol(struct dsa_switch *ds,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/mv88e6xxx_connect_tag_protocol +6888 drivers/net/dsa/mv88e6xxx/chip.c

  6887	
> 6888	int mv88e6xxx_connect_tag_protocol(struct dsa_switch *ds,
  6889					   enum dsa_tag_protocol proto)
  6890	{
  6891		struct dsa_tagger_data *tagger_data = ds->tagger_data;
  6892	
  6893		switch (proto) {
  6894		case DSA_TAG_PROTO_DSA:
  6895		case DSA_TAG_PROTO_EDSA:
  6896			tagger_data->decode_frame2reg = mv88e6xxx_decode_frame2reg_handler;
  6897			break;
  6898		default:
  6899			return -EOPNOTSUPP;
  6900		}
  6901	
  6902		return 0;
  6903	}
  6904	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp