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* [frank-w-bpi-r2-4.14:5.14-otg2 6/29] drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:669:7: error: no previous prototype for function 'mtk_wcn_wmt_wifi_init'
@ 2021-08-30 18:55 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-08-30 18:55 UTC (permalink / raw)
  To: kbuild-all

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Hi Frank,

First bad commit (maybe != root cause):

tree:   https://github.com/frank-w/BPI-R2-4.14 5.14-otg2
head:   7a786af94309f2e30a2ebd70d4a7cc163a8aedab
commit: edca53c1a674fef8ffbbae42e646a4bc40cd1605 [6/29] mt6625l: include wifi-code
config: arm-buildonly-randconfig-r002-20210830 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4b1fde8a2b681dad2ce0c082a5d6422caa06b0bc)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/frank-w/BPI-R2-4.14/commit/edca53c1a674fef8ffbbae42e646a4bc40cd1605
        git remote add frank-w-bpi-r2-4.14 https://github.com/frank-w/BPI-R2-4.14
        git fetch --no-tags frank-w-bpi-r2-4.14 5.14-otg2
        git checkout edca53c1a674fef8ffbbae42e646a4bc40cd1605
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

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

All error/warnings (new ones prefixed by >>):

   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:1136:14: warning: no previous prototype for function '_cfg80211_classify8021d' [-Wmissing-prototypes]
   unsigned int _cfg80211_classify8021d(struct sk_buff *skb)
                ^
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:1136:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   unsigned int _cfg80211_classify8021d(struct sk_buff *skb)
   ^
   static 
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:1534:5: warning: no previous prototype for function 'wlanDoIOCTL' [-Wmissing-prototypes]
   int wlanDoIOCTL(struct net_device *prDev, struct ifreq *prIfReq, int i4Cmd)
       ^
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:1534:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int wlanDoIOCTL(struct net_device *prDev, struct ifreq *prIfReq, int i4Cmd)
   ^
   static 
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:1841:6: warning: no previous prototype for function 'wlanSchedScanStoppedWorkQueue' [-Wmissing-prototypes]
   VOID wlanSchedScanStoppedWorkQueue(struct work_struct *work)
        ^
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:1841:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   VOID wlanSchedScanStoppedWorkQueue(struct work_struct *work)
   ^
   static 
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:2022:26: warning: no previous prototype for function 'wlanGetStats' [-Wmissing-prototypes]
   struct net_device_stats *wlanGetStats(IN struct net_device *prDev)
                            ^
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:2022:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   struct net_device_stats *wlanGetStats(IN struct net_device *prDev)
   ^
   static 
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:2079:16: warning: variable 'prGlueInfo' set but not used [-Wunused-but-set-variable]
           P_GLUE_INFO_T prGlueInfo = NULL;
                         ^
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:2764:14: warning: variable 'rWlanStatus' set but not used [-Wunused-but-set-variable]
           WLAN_STATUS rWlanStatus = WLAN_STATUS_SUCCESS;
                       ^
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:2860:19: warning: variable 'prWlandevInfo' set but not used [-Wunused-but-set-variable]
           P_WLANDEV_INFO_T prWlandevInfo = NULL;
                            ^
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:3252:19: warning: variable 'prWlandevInfo' set but not used [-Wunused-but-set-variable]
           P_WLANDEV_INFO_T prWlandevInfo = NULL;
                            ^
>> drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:3502:5: warning: no previous prototype for function 'mtk_wcn_wlan_gen2_init' [-Wmissing-prototypes]
   int mtk_wcn_wlan_gen2_init(void)
       ^
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:3502:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int mtk_wcn_wlan_gen2_init(void)
   ^
   static 
>> drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:3508:6: warning: no previous prototype for function 'mtk_wcn_wlan_gen2_exit' [-Wmissing-prototypes]
   void mtk_wcn_wlan_gen2_exit(void)
        ^
   drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/gl_init.c:3508:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void mtk_wcn_wlan_gen2_exit(void)
   ^
   static 
   10 warnings generated.
--
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:101:6: error: no previous prototype for function 'register_set_p2p_mode_handler' [-Werror,-Wmissing-prototypes]
   VOID register_set_p2p_mode_handler(set_p2p_mode handler)
        ^
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:101:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   VOID register_set_p2p_mode_handler(set_p2p_mode handler)
   ^
   static 
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:159:6: error: no previous prototype for function 'register_set_dbg_level_handler' [-Werror,-Wmissing-prototypes]
   VOID register_set_dbg_level_handler(set_dbg_level handler)
        ^
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:159:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   VOID register_set_dbg_level_handler(set_dbg_level handler)
   ^
   static 
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:211:7: error: no previous prototype for function 'wifi_reset_start' [-Werror,-Wmissing-prototypes]
   INT32 wifi_reset_start(VOID)
         ^
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:211:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   INT32 wifi_reset_start(VOID)
   ^
   static 
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:248:7: error: no previous prototype for function 'wifi_reset_end' [-Werror,-Wmissing-prototypes]
   INT32 wifi_reset_end(ENUM_RESET_STATUS_T status)
         ^
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:248:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   INT32 wifi_reset_end(ENUM_RESET_STATUS_T status)
   ^
   static 
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:336:9: error: no previous prototype for function 'WIFI_write' [-Werror,-Wmissing-prototypes]
   ssize_t WIFI_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos)
           ^
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:336:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   ssize_t WIFI_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos)
   ^
   static 
>> drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:669:7: error: no previous prototype for function 'mtk_wcn_wmt_wifi_init' [-Werror,-Wmissing-prototypes]
   INT32 mtk_wcn_wmt_wifi_init(VOID)
         ^
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:669:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   INT32 mtk_wcn_wmt_wifi_init(VOID)
   ^
   static 
>> drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:675:6: error: no previous prototype for function 'mtk_wcn_wmt_wifi_exit' [-Werror,-Wmissing-prototypes]
   VOID mtk_wcn_wmt_wifi_exit(VOID)
        ^
   drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:675:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   VOID mtk_wcn_wmt_wifi_exit(VOID)
   ^
   static 
   7 errors generated.


vim +/mtk_wcn_wmt_wifi_init +669 drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c

0ff25df9d86ff2 Frank Wunderlich 2021-07-12  668  
0ff25df9d86ff2 Frank Wunderlich 2021-07-12 @669  INT32 mtk_wcn_wmt_wifi_init(VOID)
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  670  {
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  671  	return WIFI_init();
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  672  }
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  673  EXPORT_SYMBOL(mtk_wcn_wmt_wifi_init);
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  674  
0ff25df9d86ff2 Frank Wunderlich 2021-07-12 @675  VOID mtk_wcn_wmt_wifi_exit(VOID)
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  676  {
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  677  	return WIFI_exit();
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  678  }
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  679  EXPORT_SYMBOL(mtk_wcn_wmt_wifi_exit);
0ff25df9d86ff2 Frank Wunderlich 2021-07-12  680  

:::::: The code at line 669 was first introduced by commit
:::::: 0ff25df9d86ff2c2e8beeba54e39a8a20a99ad5a mt6625l: add driver folder from 5.13

:::::: TO: Frank Wunderlich <frank-w@public-files.de>
:::::: CC: Frank Wunderlich <frank-w@public-files.de>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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2021-08-30 18:55 [frank-w-bpi-r2-4.14:5.14-otg2 6/29] drivers/misc/mediatek/connectivity/common/conn_soc/linux/pub/wmt_chrdev_wifi.c:669:7: error: no previous prototype for function 'mtk_wcn_wmt_wifi_init' kernel test robot

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