drivers/net/wireless/realtek/rtw88/rtw8723b.c:887:14: error: implicit declaration of function 'rtw_is_8723bs'

drivers/net/wireless/realtek/rtw88/rtw8723b.c:887:14: error: implicit declaration of function 'rtw_is_8723bs'

[kernel test robot]

Hi Luka,

First bad commit (maybe != root cause):

tree:   https://github.com/intel-lab-lkp/linux/commits/Luka-Gejak/wifi-rtw88-8723b-add-the-RTL8723B-register-definitions/20260923-233552
head:   da9184c2d6b833c71a23457725f59bc53d1e701c
commit: 14821f5031bac6af26d9c7e87a1398dbc32b8be4 wifi: rtw88: 8723bs: enable building the RTL8723BS driver
date:   6 days ago
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20260929/202609292014.G35KdjRb-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260929/202609292014.G35KdjRb-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/202609292014.G35KdjRb-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/net/wireless/realtek/rtw88/rtw8723b.c: In function 'rtw8723b_sdio_restore_pad_ctrl':
>> drivers/net/wireless/realtek/rtw88/rtw8723b.c:887:14: error: implicit declaration of function 'rtw_is_8723bs' [-Wimplicit-function-declaration]
     887 |         if (!rtw_is_8723bs(rtwdev))
         |              ^~~~~~~~~~~~~
   drivers/net/wireless/realtek/rtw88/rtw8723b.c: At top level:
>> drivers/net/wireless/realtek/rtw88/rtw8723b.c:2733:15: error: 'RTW_CHIP_TYPE_8723B' undeclared here (not in a function); did you mean 'RTW_CHIP_TYPE_8703B'?
    2733 |         .id = RTW_CHIP_TYPE_8723B,
         |               ^~~~~~~~~~~~~~~~~~~
         |               RTW_CHIP_TYPE_8703B


vim +/rtw_is_8723bs +887 drivers/net/wireless/realtek/rtw88/rtw8723b.c

515ac37e9b3b7d5 Luka Gejak 2026-09-23  880  
515ac37e9b3b7d5 Luka Gejak 2026-09-23  881  static void rtw8723b_sdio_restore_pad_ctrl(struct rtw_dev *rtwdev,
515ac37e9b3b7d5 Luka Gejak 2026-09-23  882  					   bool keep_pta_owner)
515ac37e9b3b7d5 Luka Gejak 2026-09-23  883  {
515ac37e9b3b7d5 Luka Gejak 2026-09-23  884  	u32 before;
515ac37e9b3b7d5 Luka Gejak 2026-09-23  885  	u32 after;
515ac37e9b3b7d5 Luka Gejak 2026-09-23  886  
515ac37e9b3b7d5 Luka Gejak 2026-09-23 @887  	if (!rtw_is_8723bs(rtwdev))
515ac37e9b3b7d5 Luka Gejak 2026-09-23  888  		return;
515ac37e9b3b7d5 Luka Gejak 2026-09-23  889  
515ac37e9b3b7d5 Luka Gejak 2026-09-23  890  	before = rtw_read32(rtwdev, REG_PAD_CTRL1);
515ac37e9b3b7d5 Luka Gejak 2026-09-23  891  	after = before & ~(BIT_LNAON_WLBT_SEL | BIT_SW_DPDT_SEL_DATA);
515ac37e9b3b7d5 Luka Gejak 2026-09-23  892  	if (keep_pta_owner)
515ac37e9b3b7d5 Luka Gejak 2026-09-23  893  		after |= BIT_PAPE_WLBT_SEL;
515ac37e9b3b7d5 Luka Gejak 2026-09-23  894  	else
515ac37e9b3b7d5 Luka Gejak 2026-09-23  895  		after &= ~BIT_PAPE_WLBT_SEL;
515ac37e9b3b7d5 Luka Gejak 2026-09-23  896  	if (after == before)
515ac37e9b3b7d5 Luka Gejak 2026-09-23  897  		return;
515ac37e9b3b7d5 Luka Gejak 2026-09-23  898  
515ac37e9b3b7d5 Luka Gejak 2026-09-23  899  	rtw_write32(rtwdev, REG_PAD_CTRL1, after);
515ac37e9b3b7d5 Luka Gejak 2026-09-23  900  }
515ac37e9b3b7d5 Luka Gejak 2026-09-23  901  

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