netdev - Re: [PATCH net 2/2] net: hns: fix fake link up on xge port

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Date: Wed, 6 Dec 2023 09:21:33 +0800
From: kernel test robot <lkp@...el.com>
To: Jijie Shao <shaojijie@...wei.com>, yisen.zhuang@...wei.com,
	salil.mehta@...wei.com, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	shenjian15@...wei.com, wangjie125@...wei.com,
	liuyonglong@...wei.com, shaojijie@...wei.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 2/2] net: hns: fix fake link up on xge port

Hi Jijie,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Jijie-Shao/net-hns-fix-wrong-head-when-modify-the-tx-feature-when-sending-packets/20231201-183325
base:   net/main
patch link:    https://lore.kernel.org/r/20231201102703.4134592-3-shaojijie%40huawei.com
patch subject: [PATCH net 2/2] net: hns: fix fake link up on xge port
config: i386-buildonly-randconfig-001-20231202 (https://download.01.org/0day-ci/archive/20231206/202312060909.F00QN1zB-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312060909.F00QN1zB-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/202312060909.F00QN1zB-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c:69:6: warning: no previous prototype for function 'hns_mac_link_anti_shake' [-Wmissing-prototypes]
   void hns_mac_link_anti_shake(struct mac_driver *mac_ctrl_drv, u32 *link_status)
        ^
   drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c:69:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void hns_mac_link_anti_shake(struct mac_driver *mac_ctrl_drv, u32 *link_status)
   ^
   static 
   1 warning generated.


vim +/hns_mac_link_anti_shake +69 drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c

    68	
  > 69	void hns_mac_link_anti_shake(struct mac_driver *mac_ctrl_drv, u32 *link_status)
    70	{
    71	#define HNS_MAC_LINK_WAIT_TIME 5
    72	#define HNS_MAC_LINK_WAIT_CNT 40
    73	
    74		int i;
    75	
    76		if (!mac_ctrl_drv->get_link_status) {
    77			*link_status = 0;
    78			return;
    79		}
    80	
    81		for (i = 0; i < HNS_MAC_LINK_WAIT_CNT; i++) {
    82			msleep(HNS_MAC_LINK_WAIT_TIME);
    83			mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status);
    84			if (!*link_status)
    85				break;
    86		}
    87	}
    88	

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