[openeuler:openEuler-1.0-LTS 18554/22398] drivers/net/ethernet/netswift/ngbe/ngbe_main.o: warning: objtool: missing symbol for section .init.text

[openeuler:openEuler-1.0-LTS 18554/22398] drivers/net/ethernet/netswift/ngbe/ngbe_main.o: warning: objtool: missing symbol for section .init.text

[kernel test robot]

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   a786a35ec1aeb84a5ff258956854c2eaebec12b7
commit: 206f9c11a8c8b0197da5a26859d96d2ed65f5757 [18554/22398] net: ngbe: Add Netswift Giga NIC driver
config: x86_64-buildonly-randconfig-004-20240510 (https://download.01.org/0day-ci/archive/20240511/202405110244.yz4AxkCm-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240511/202405110244.yz4AxkCm-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405110244.yz4AxkCm-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/net/ethernet/netswift/ngbe/ngbe_main.c:38:
   drivers/net/ethernet/netswift/ngbe/ngbe.h:764:6: warning: variable 'cur_diff' set but not used [-Wunused-but-set-variable]
     764 |         u32 cur_diff = 0;
         |             ^
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:170:6: warning: no previous prototype for function 'ngbe_service_event_schedule' [-Wmissing-prototypes]
     170 | void ngbe_service_event_schedule(struct ngbe_adapter *adapter)
         |      ^
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:170:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     170 | void ngbe_service_event_schedule(struct ngbe_adapter *adapter)
         | ^
         | static 
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:433:7: warning: variable 'real_tx_hang' set but not used [-Wunused-but-set-variable]
     433 |         bool real_tx_hang = false;
         |              ^
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3223:6: warning: no previous prototype for function 'ngbe_configure_isb' [-Wmissing-prototypes]
    3223 | void ngbe_configure_isb(struct ngbe_adapter *adapter)
         |      ^
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3223:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    3223 | void ngbe_configure_isb(struct ngbe_adapter *adapter)
         | ^
         | static 
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3233:6: warning: no previous prototype for function 'ngbe_configure_port' [-Wmissing-prototypes]
    3233 | void ngbe_configure_port(struct ngbe_adapter *adapter)
         |      ^
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3233:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    3233 | void ngbe_configure_port(struct ngbe_adapter *adapter)
         | ^
         | static 
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3592:6: warning: no previous prototype for function 'ngbe_disable_device' [-Wmissing-prototypes]
    3592 | void ngbe_disable_device(struct ngbe_adapter *adapter)
         |      ^
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3592:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    3592 | void ngbe_disable_device(struct ngbe_adapter *adapter)
         | ^
         | static 
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3693:5: warning: no previous prototype for function 'ngbe_init_shared_code' [-Wmissing-prototypes]
    3693 | s32 ngbe_init_shared_code(struct ngbe_hw *hw)
         |     ^
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3693:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    3693 | s32 ngbe_init_shared_code(struct ngbe_hw *hw)
         | ^
         | static 
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:5810:5: warning: no previous prototype for function 'ngbe_skb_pad_nonzero' [-Wmissing-prototypes]
    5810 | int ngbe_skb_pad_nonzero(struct sk_buff *skb, int pad)
         |     ^
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:5810:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    5810 | int ngbe_skb_pad_nonzero(struct sk_buff *skb, int pad)
         | ^
         | static 
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:6010:6: warning: variable 'prtad' set but not used [-Wunused-but-set-variable]
    6010 |         int prtad, devad, ret = 0;
         |             ^
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:6010:13: warning: variable 'devad' set but not used [-Wunused-but-set-variable]
    6010 |         int prtad, devad, ret = 0;
         |                    ^
   10 warnings generated.
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:257: warning: Function parameter or member 'quiet' not described in 'ngbe_read_reg'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:1644: warning: Function parameter or member 'queues' not described in 'ngbe_irq_enable'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:1644: warning: Function parameter or member 'flush' not described in 'ngbe_irq_enable'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:2035: warning: Function parameter or member 'adapter' not described in 'ngbe_configure_msi_and_legacy'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:2449: warning: Function parameter or member 'adapter' not described in 'ngbe_configure_bridge_mode'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:2913: warning: Function parameter or member 'pool' not described in 'ngbe_write_uc_addr_list'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:3722: warning: cannot understand function prototype: 'const u32 def_rss_key[10] = '
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:4583: warning: Function parameter or member 'adapter' not described in 'ngbe_check_hang_subtask'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:4648: warning: Function parameter or member 'adapter' not described in 'ngbe_watchdog_update_link_status'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:4744: warning: Function parameter or member 'adapter' not described in 'ngbe_watchdog_link_is_up'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:4789: warning: Function parameter or member 'adapter' not described in 'ngbe_watchdog_link_is_down'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:4856: warning: Function parameter or member 'adapter' not described in 'ngbe_watchdog_flush_tx'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:4928: warning: Function parameter or member 'adapter' not described in 'ngbe_watchdog_subtask'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:4957: warning: Function parameter or member 't' not described in 'ngbe_service_timer'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:4957: warning: Excess function parameter 'data' description in 'ngbe_service_timer'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:6043: warning: Function parameter or member 'dev' not described in 'ngbe_setup_tc'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:6043: warning: Excess function parameter 'netdev' description in 'ngbe_setup_tc'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:6297: warning: Excess function parameter 'device_id' description in 'ngbe_wol_supported'
   drivers/net/ethernet/netswift/ngbe/ngbe_main.c:6297: warning: Excess function parameter 'subdev_id' description in 'ngbe_wol_supported'
>> drivers/net/ethernet/netswift/ngbe/ngbe_main.o: warning: objtool: missing symbol for section .init.text

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https://github.com/intel/lkp-tests/wiki