Hi Aditya, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1746f4db513563bb22e0ba0c419d0c90912dfae1 commit: 3e58e839150db0857dfcb3a0bb3d4af4c6ac1abf scripts: kernel-doc: add warning for comment not following kernel-doc syntax date: 5 months ago config: arm-buildonly-randconfig-r004-20210812 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 10.3.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e58e839150db0857dfcb3a0bb3d4af4c6ac1abf git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 3e58e839150db0857dfcb3a0bb3d4af4c6ac1abf # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/hsi/clients/cmt_speech.c:831: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Block until pending data transfers have completed. vim +831 drivers/hsi/clients/cmt_speech.c 7f62fe8a5851db Kai Vehmanen 2010-06-02 829 7f62fe8a5851db Kai Vehmanen 2010-06-02 830 /** 7f62fe8a5851db Kai Vehmanen 2010-06-02 @831 * Block until pending data transfers have completed. 7f62fe8a5851db Kai Vehmanen 2010-06-02 832 */ 7f62fe8a5851db Kai Vehmanen 2010-06-02 833 static int cs_hsi_data_sync(struct cs_hsi_iface *hi) 7f62fe8a5851db Kai Vehmanen 2010-06-02 834 { 7f62fe8a5851db Kai Vehmanen 2010-06-02 835 int r = 0; 7f62fe8a5851db Kai Vehmanen 2010-06-02 836 7f62fe8a5851db Kai Vehmanen 2010-06-02 837 spin_lock_bh(&hi->lock); 7f62fe8a5851db Kai Vehmanen 2010-06-02 838 7f62fe8a5851db Kai Vehmanen 2010-06-02 839 if (!cs_state_xfer_active(hi->data_state)) { 7f62fe8a5851db Kai Vehmanen 2010-06-02 840 dev_dbg(&hi->cl->device, "hsi_data_sync break, idle\n"); 7f62fe8a5851db Kai Vehmanen 2010-06-02 841 goto out; 7f62fe8a5851db Kai Vehmanen 2010-06-02 842 } 7f62fe8a5851db Kai Vehmanen 2010-06-02 843 7f62fe8a5851db Kai Vehmanen 2010-06-02 844 for (;;) { 7f62fe8a5851db Kai Vehmanen 2010-06-02 845 int s; 7f62fe8a5851db Kai Vehmanen 2010-06-02 846 DEFINE_WAIT(wait); 7f62fe8a5851db Kai Vehmanen 2010-06-02 847 if (!cs_state_xfer_active(hi->data_state)) 7f62fe8a5851db Kai Vehmanen 2010-06-02 848 goto out; 7f62fe8a5851db Kai Vehmanen 2010-06-02 849 if (signal_pending(current)) { 7f62fe8a5851db Kai Vehmanen 2010-06-02 850 r = -ERESTARTSYS; 7f62fe8a5851db Kai Vehmanen 2010-06-02 851 goto out; 7f62fe8a5851db Kai Vehmanen 2010-06-02 852 } 7f62fe8a5851db Kai Vehmanen 2010-06-02 853 /** 7f62fe8a5851db Kai Vehmanen 2010-06-02 854 * prepare_to_wait must be called with hi->lock held 7f62fe8a5851db Kai Vehmanen 2010-06-02 855 * so that callbacks can check for waitqueue_active() 7f62fe8a5851db Kai Vehmanen 2010-06-02 856 */ 7f62fe8a5851db Kai Vehmanen 2010-06-02 857 prepare_to_wait(&hi->datawait, &wait, TASK_INTERRUPTIBLE); 7f62fe8a5851db Kai Vehmanen 2010-06-02 858 spin_unlock_bh(&hi->lock); 7f62fe8a5851db Kai Vehmanen 2010-06-02 859 s = schedule_timeout( 7f62fe8a5851db Kai Vehmanen 2010-06-02 860 msecs_to_jiffies(CS_HSI_TRANSFER_TIMEOUT_MS)); 7f62fe8a5851db Kai Vehmanen 2010-06-02 861 spin_lock_bh(&hi->lock); 7f62fe8a5851db Kai Vehmanen 2010-06-02 862 finish_wait(&hi->datawait, &wait); 7f62fe8a5851db Kai Vehmanen 2010-06-02 863 if (!s) { 7f62fe8a5851db Kai Vehmanen 2010-06-02 864 dev_dbg(&hi->cl->device, 7f62fe8a5851db Kai Vehmanen 2010-06-02 865 "hsi_data_sync timeout after %d ms\n", 7f62fe8a5851db Kai Vehmanen 2010-06-02 866 CS_HSI_TRANSFER_TIMEOUT_MS); 7f62fe8a5851db Kai Vehmanen 2010-06-02 867 r = -EIO; 7f62fe8a5851db Kai Vehmanen 2010-06-02 868 goto out; 7f62fe8a5851db Kai Vehmanen 2010-06-02 869 } 7f62fe8a5851db Kai Vehmanen 2010-06-02 870 } 7f62fe8a5851db Kai Vehmanen 2010-06-02 871 7f62fe8a5851db Kai Vehmanen 2010-06-02 872 out: 7f62fe8a5851db Kai Vehmanen 2010-06-02 873 spin_unlock_bh(&hi->lock); 7f62fe8a5851db Kai Vehmanen 2010-06-02 874 dev_dbg(&hi->cl->device, "hsi_data_sync done with res %d\n", r); 7f62fe8a5851db Kai Vehmanen 2010-06-02 875 7f62fe8a5851db Kai Vehmanen 2010-06-02 876 return r; 7f62fe8a5851db Kai Vehmanen 2010-06-02 877 } 7f62fe8a5851db Kai Vehmanen 2010-06-02 878 :::::: The code at line 831 was first introduced by commit :::::: 7f62fe8a5851db94e10d8d956c123d4011aaeed9 HSI: cmt_speech: Add cmt-speech driver :::::: TO: Kai Vehmanen <kai.vehmanen@xxxxxxxxx> :::::: CC: Sebastian Reichel <sre@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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