linux-kernel - [alaahl:netdev-next 12/22] drivers/net/ethernet/sfc/siena/siena_sriov.c:1578:5: warning: no previous prototype for 'efx_init

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Date:   Wed, 11 May 2022 17:55:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Martin Habets <habetsm.xilinx@...il.com>
Cc:     kbuild-all@...ts.01.org, alaa@....mellanox.co.il,
        linux-kernel@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>
Subject: [alaahl:netdev-next 12/22]
 drivers/net/ethernet/sfc/siena/siena_sriov.c:1578:5: warning: no previous
 prototype for 'efx_init_sriov'

tree:   https://github.com/alaahl/linux.git netdev-next
head:   53a332f222c015cb82349fd4f6b58cb14f574e8d
commit: c5a13c319e10e795850b61bc7e3447b08024be2e [12/22] sfc: Add a basic Siena module
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220511/202205111720.oJ7rmJle-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.3.0
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/alaahl/linux/commit/c5a13c319e10e795850b61bc7e3447b08024be2e
        git remote add alaahl https://github.com/alaahl/linux.git
        git fetch --no-tags alaahl netdev-next
        git checkout c5a13c319e10e795850b61bc7e3447b08024be2e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/hwmon/ drivers/net/ethernet/sfc/siena/

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

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/sfc/siena/siena_sriov.c:1578:5: warning: no previous prototype for 'efx_init_sriov' [-Wmissing-prototypes]
    1578 | int efx_init_sriov(void)
         |     ^~~~~~~~~~~~~~
>> drivers/net/ethernet/sfc/siena/siena_sriov.c:1590:6: warning: no previous prototype for 'efx_fini_sriov' [-Wmissing-prototypes]
    1590 | void efx_fini_sriov(void)
         |      ^~~~~~~~~~~~~~


vim +/efx_init_sriov +1578 drivers/net/ethernet/sfc/siena/siena_sriov.c

cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1577  
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14 @1578  int efx_init_sriov(void)
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1579  {
327c685eb745e3 drivers/net/ethernet/sfc/siena_sriov.c Shradha Shah  2014-11-05  1580  	/* A single threaded workqueue is sufficient. efx_siena_sriov_vfdi() and
327c685eb745e3 drivers/net/ethernet/sfc/siena_sriov.c Shradha Shah  2014-11-05  1581  	 * efx_siena_sriov_peer_work() spend almost all their time sleeping for
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1582  	 * MCDI to complete anyway
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1583  	 */
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1584  	vfdi_workqueue = create_singlethread_workqueue("sfc_vfdi");
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1585  	if (!vfdi_workqueue)
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1586  		return -ENOMEM;
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1587  	return 0;
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1588  }
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1589  
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14 @1590  void efx_fini_sriov(void)
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1591  {
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1592  	destroy_workqueue(vfdi_workqueue);
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1593  }
cd2d5b529cdb9b drivers/net/ethernet/sfc/siena_sriov.c Ben Hutchings 2012-02-14  1594  

:::::: The code at line 1578 was first introduced by commit
:::::: cd2d5b529cdb9bd274f3e4bc68d37d4d63b7f383 sfc: Add SR-IOV back-end support for SFC9000 family

:::::: TO: Ben Hutchings <bhutchings@...arflare.com>
:::::: CC: Ben Hutchings <bhutchings@...arflare.com>

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