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
From: kernel test robot
Date: Thu Aug 12 2021 - 06:40:31 EST
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
Attachment:
.config.gz
Description: application/gzip