tree: https://github.com/frank-w/BPI-R2-4.14 5.10-rc head: 9cab5c0a19ff709f07113ec5bd8e8cedbfdf6b08 commit: f43ce62478a0f245f0fcc53c073b54c31786f15e [22/24] mt6625l: add wifi-driver from 5.9 config: arm-randconfig-r013-20201212 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 84c09ab44599ece409e4e19761288ddf796fceec) 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/f43ce62478a0f245f0fcc53c073... 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 5.10-rc git checkout f43ce62478a0f245f0fcc53c073b54c31786f15e # 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(a)intel.com&gt; All errors (new ones prefixed by >>): void btif_rx_notify_cb(void) ^ drivers/misc/mediatek/btif/common/mtk_btif.c:522:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void btif_rx_notify_cb(void) ^ static 1 error generated. -- p_mtk_btif btif_exp_srh_id(unsigned long u_id) ^ drivers/misc/mediatek/btif/common/mtk_btif_exp.c:24:1: note: declare 'static' if the function is not intended to be used outside of this translation unit p_mtk_btif btif_exp_srh_id(unsigned long u_id) ^ static int btif_open_no_id(void) ^ drivers/misc/mediatek/btif/common/mtk_btif_exp.c:512:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int btif_open_no_id(void) ^ static int btif_close_no_id(void) ^ drivers/misc/mediatek/btif/common/mtk_btif_exp.c:527:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int btif_close_no_id(void) ^ static int btif_write_no_id(const unsigned char *p_buf, unsigned int len) ^ drivers/misc/mediatek/btif/common/mtk_btif_exp.c:541:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int btif_write_no_id(const unsigned char *p_buf, unsigned int len) ^ static int btif_dpidle_ctrl_no_id(ENUM_BTIF_DPIDLE_CTRL en_flag) ^ drivers/misc/mediatek/btif/common/mtk_btif_exp.c:562:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int btif_dpidle_ctrl_no_id(ENUM_BTIF_DPIDLE_CTRL en_flag) ^ static int btif_loopback_ctrl_no_id(ENUM_BTIF_LPBK_MODE enable) ^ drivers/misc/mediatek/btif/common/mtk_btif_exp.c:586:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int btif_loopback_ctrl_no_id(ENUM_BTIF_LPBK_MODE enable) ^ static int btif_dbg_ctrl_no_id(ENUM_BTIF_DBG_ID flag) ^ drivers/misc/mediatek/btif/common/mtk_btif_exp.c:597:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int btif_dbg_ctrl_no_id(ENUM_BTIF_DBG_ID flag) ^ static 7 errors generated. -- ssize_t wmt_detect_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos) ^ drivers/misc/mediatek/connectivity/common/common_detect/wmt_detect.c:75:1: note: declare 'static' if the function is not intended to be used outside of this translation unit ssize_t wmt_detect_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos) ^ static 1 error generated. -- int _wmt_detect_output_low(unsigned int id) ^ drivers/misc/mediatek/connectivity/common/common_detect/wmt_detect_pwr.c:51:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int _wmt_detect_output_low(unsigned int id) ^ static int _wmt_detect_output_high(unsigned int id) ^ drivers/misc/mediatek/connectivity/common/common_detect/wmt_detect_pwr.c:63:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int _wmt_detect_output_high(unsigned int id) ^ static int _wmt_detect_read_gpio_input(unsigned int id) ^ drivers/misc/mediatek/connectivity/common/common_detect/wmt_detect_pwr.c:75:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int _wmt_detect_read_gpio_input(unsigned int id) ^ static 3 errors generated. -- In file included from drivers/misc/mediatek/connectivity/wlan/gen2/common/dump.c:47: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/include/precomp.h:171: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_os.h:591: typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:22: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:31: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ 2 errors generated. -- In file included from drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_lib.c:967: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/include/precomp.h:171: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_os.h:591: typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:22: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:31: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ WLAN_STATUS wlanQueryCompileFlag(IN P_ADAPTER_T prAdapter, IN UINT_32 u4QueryID, OUT PUINT_32 pu4CompilerFlag) ^ drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_lib.c:4118:1: note: declare 'static' if the function is not intended to be used outside of this translation unit WLAN_STATUS wlanQueryCompileFlag(IN P_ADAPTER_T prAdapter, IN UINT_32 u4QueryID, OUT PUINT_32 pu4CompilerFlag) ^ static wlanoidQueryACSChannelList(IN P_ADAPTER_T prAdapter, ^ drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_lib.c:5430:1: note: declare 'static' if the function is not intended to be used outside of this translation unit WLAN_STATUS ^ static INT_32 wlanCfgFindNextToken(struct WLAN_CFG_PARSE_STATE_S *state) ^ drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_lib.c:5738:1: note: declare 'static' if the function is not intended to be used outside of this translation unit INT_32 wlanCfgFindNextToken(struct WLAN_CFG_PARSE_STATE_S *state) ^ static wlanCfgParseAddEntry(IN P_ADAPTER_T prAdapter, ^ drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_lib.c:5896:1: note: declare 'static' if the function is not intended to be used outside of this translation unit WLAN_STATUS ^ static WLAN_STATUS wlanCfgParse(IN P_ADAPTER_T prAdapter, PUINT_8 pucConfigBuf, UINT_32 u4ConfigBufLen) ^ drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_lib.c:5954:1: note: declare 'static' if the function is not intended to be used outside of this translation unit WLAN_STATUS wlanCfgParse(IN P_ADAPTER_T prAdapter, PUINT_8 pucConfigBuf, UINT_32 u4ConfigBufLen) ^ static 7 errors generated. -- In file included from drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_oid.c:1061: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/include/precomp.h:171: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_os.h:591: typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:22: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:31: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ if (prNewKey->ucKeyID != 0x1 || prNewKey->ucKeyID != 0x0) { ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ 3 errors generated. -- In file included from drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_p2p.c:217: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/include/precomp.h:171: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_os.h:591: typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:22: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:31: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ In file included from drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_p2p.c:218: #error "Please ENABLE kernel config (CONFIG_NL80211_TESTMODE) to support Wi-Fi Direct" ^ wlanoidSetP2pNetworkAddress(IN P_ADAPTER_T prAdapter, ^ drivers/misc/mediatek/connectivity/wlan/gen2/common/wlan_p2p.c:528:1: note: declare 'static' if the function is not intended to be used outside of this translation unit WLAN_STATUS ^ static 4 errors generated. -- In file included from drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic.c:637: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/include/precomp.h:171: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_os.h:591: typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:22: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:31: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ VOID nicHifInit(IN P_ADAPTER_T prAdapter) ^ drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic.c:1213:1: note: declare 'static' if the function is not intended to be used outside of this translation unit VOID nicHifInit(IN P_ADAPTER_T prAdapter) ^ static VOID nicProcessFwOwnBackInterrupt(IN P_ADAPTER_T prAdapter) ^ drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic.c:1316:1: note: declare 'static' if the function is not intended to be used outside of this translation unit VOID nicProcessFwOwnBackInterrupt(IN P_ADAPTER_T prAdapter) ^ static WLAN_STATUS nicSetAutoTxPowerControl(IN P_ADAPTER_T prAdapter, IN P_CMD_TX_PWR_T prTxPwrParam) ^ drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic.c:2611:1: note: declare 'static' if the function is not intended to be used outside of this translation unit WLAN_STATUS nicSetAutoTxPowerControl(IN P_ADAPTER_T prAdapter, IN P_CMD_TX_PWR_T prTxPwrParam) ^ static 5 errors generated. -- In file included from drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic_tx.c:426: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/include/precomp.h:171: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_os.h:591: typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:22: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:31: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ VOID nicTxReturnMsduInfoProfiling(IN P_ADAPTER_T prAdapter, IN P_MSDU_INFO_T prMsduInfoListHead) ^ drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic_tx.c:991:1: note: declare 'static' if the function is not intended to be used outside of this translation unit VOID nicTxReturnMsduInfoProfiling(IN P_ADAPTER_T prAdapter, IN P_MSDU_INFO_T prMsduInfoListHead) ^ static VOID nicTxLifetimeRecordEn(IN P_ADAPTER_T prAdapter, IN P_MSDU_INFO_T prMsduInfo, IN P_NATIVE_PACKET prPacket) ^ drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic_tx.c:1151:1: note: declare 'static' if the function is not intended to be used outside of this translation unit VOID nicTxLifetimeRecordEn(IN P_ADAPTER_T prAdapter, IN P_MSDU_INFO_T prMsduInfo, IN P_NATIVE_PACKET prPacket) ^ static nicTxLifetimeCheckByAC(IN P_ADAPTER_T prAdapter, ^ drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic_tx.c:1278:1: note: declare 'static' if the function is not intended to be used outside of this translation unit VOID ^ static nicTxLifetimeCheck(IN P_ADAPTER_T prAdapter, ^ drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic_tx.c:1307:1: note: declare 'static' if the function is not intended to be used outside of this translation unit VOID ^ static 6 errors generated. -- In file included from drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic_rx.c:812: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/include/precomp.h:171: In file included from drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_os.h:591: typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:22: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ typedef unsigned int UINT32, *PUINT32; ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_typedef.h:115:31: note: previous definition is here typedef unsigned int UINT32, *PUINT32; ^ In file included from drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic_rx.c:827: #if CONFIG_NL80211_TESTMODE ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_cfg80211.h:70:5: error: 'CONFIG_NL80211_TESTMODE' is not defined, evaluates to 0 [-Werror,-Wundef] #if CONFIG_NL80211_TESTMODE ^ drivers/misc/mediatek/connectivity/wlan/gen2/os/linux/include/gl_cfg80211.h:301:5: error: 'CONFIG_NL80211_TESTMODE' is not defined, evaluates to 0 [-Werror,-Wundef] #if CONFIG_NL80211_TESTMODE ^ #error "Please ENABLE kernel config (CONFIG_NL80211_TESTMODE) to support Wi-Fi Direct" ^ UINT_8 nicRxProcessGSCNEvent(IN P_ADAPTER_T prAdapter, IN OUT P_SW_RFB_T prSwRfb) ^ drivers/misc/mediatek/connectivity/wlan/gen2/nic/nic_rx.c:1499:1: note: declare 'static' if the function is not intended to be used outside of this translation unit UINT_8 nicRxProcessGSCNEvent(IN P_ADAPTER_T prAdapter, IN OUT P_SW_RFB_T prSwRfb) ^ static 7 errors generated. .. vim +/btif_rx_notify_cb +522 drivers/misc/mediatek/btif/common/mtk_btif.c 521 523 { 524 BTIF_DBG_FUNC("++\n"); 525 rx_notify_flag = 1; 526 wake_up(&btif_wq); 527 wake_up_interruptible(&btif_read_inq); 528 BTIF_DBG_FUNC("--\n"); 529 } 530 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org