[kbuild-all] [chrome-os:chromeos-5.10 75/90] drivers/net/wwan/t7xx/t7xx_modem_ops.c:581:6: error: no previous prototype for 'sap_hk_wq'

tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10 head: 5771b489676ac81acb2cb1c9d65927b52f45d632 commit: 6d360694559dc81c8004d32aec8bd41d2a6e2f1a [75/90] CHROMIUM: t7xx: Initial support for cldma0, sap, brom download port config: microblaze-buildonly-randconfig-r006-20211108 (attached as .config) compiler: microblaze-linux-gcc (GCC) 11.2.0 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 git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.10 git checkout 6d360694559dc81c8004d32aec8bd41d2a6e2f1a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=microblaze If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): 581 | void sap_hk_wq(struct work_struct *work) | ^~~~~~~~~ cc1: all warnings being treated as errors vim +/sap_hk_wq +581 drivers/net/wwan/t7xx/t7xx_modem_ops.c 580 582 { 583 struct mtk_modem *md = container_of(work, struct mtk_modem, sap_handshake_work); 584 struct core_sys_info *core_info; 585 struct ccci_fsm_ctl *ctl = fsm_get_entry (); 586 587 core_info = &(md->core_sap); 588 fsm_clear_event(ctl, CCCI_EVENT_AP_HS2_EXIT); 589 cldma_switch_cfg(ID_CLDMA0, HIF_CFG_DEF); 590 cldma_start(ID_CLDMA0); 591 atomic_set(&core_info->handshake_ongoing, 1); 592 core_sap_handler(md, ctl, CCCI_EVENT_SAP_HS2, CCCI_EVENT_AP_HS2_EXIT); 593 } 594 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org