Hi Aditya, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3d5895cd351757f69c9a66fb5fc8cf19f454d773 commit: f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 scripts: kernel-doc: improve parsing for kernel-doc comments syntax date: 3 months ago config: arm-buildonly-randconfig-r001-20210722 (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=f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 # 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/mailbox/mailbox-sti.c:39: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * STi Mailbox device data drivers/mailbox/mailbox-sti.c:63: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * STi Mailbox platform specific configuration drivers/mailbox/mailbox-sti.c:74: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * STi Mailbox allocated channel information vim +39 drivers/mailbox/mailbox-sti.c 9ef4546cbd7eed Lee Jones 2015-10-16 37 9ef4546cbd7eed Lee Jones 2015-10-16 38 /** 9ef4546cbd7eed Lee Jones 2015-10-16 @39 * STi Mailbox device data 9ef4546cbd7eed Lee Jones 2015-10-16 40 * 9ef4546cbd7eed Lee Jones 2015-10-16 41 * An IP Mailbox is currently composed of 4 instances 9ef4546cbd7eed Lee Jones 2015-10-16 42 * Each instance is currently composed of 32 channels 9ef4546cbd7eed Lee Jones 2015-10-16 43 * This means that we have 128 channels per Mailbox 9ef4546cbd7eed Lee Jones 2015-10-16 44 * A channel an be used for TX or RX 9ef4546cbd7eed Lee Jones 2015-10-16 45 * 9ef4546cbd7eed Lee Jones 2015-10-16 46 * @dev: Device to which it is attached 9ef4546cbd7eed Lee Jones 2015-10-16 47 * @mbox: Representation of a communication channel controller 9ef4546cbd7eed Lee Jones 2015-10-16 48 * @base: Base address of the register mapping region 9ef4546cbd7eed Lee Jones 2015-10-16 49 * @name: Name of the mailbox 9ef4546cbd7eed Lee Jones 2015-10-16 50 * @enabled: Local copy of enabled channels 9ef4546cbd7eed Lee Jones 2015-10-16 51 * @lock: Mutex protecting enabled status 9ef4546cbd7eed Lee Jones 2015-10-16 52 */ 9ef4546cbd7eed Lee Jones 2015-10-16 53 struct sti_mbox_device { 9ef4546cbd7eed Lee Jones 2015-10-16 54 struct device *dev; 9ef4546cbd7eed Lee Jones 2015-10-16 55 struct mbox_controller *mbox; 9ef4546cbd7eed Lee Jones 2015-10-16 56 void __iomem *base; 9ef4546cbd7eed Lee Jones 2015-10-16 57 const char *name; 9ef4546cbd7eed Lee Jones 2015-10-16 58 u32 enabled[STI_MBOX_INST_MAX]; 9ef4546cbd7eed Lee Jones 2015-10-16 59 spinlock_t lock; 9ef4546cbd7eed Lee Jones 2015-10-16 60 }; 9ef4546cbd7eed Lee Jones 2015-10-16 61 :::::: The code at line 39 was first introduced by commit :::::: 9ef4546cbd7eed2412ec6f1161c2b92362379150 mailbox: Add support for ST's Mailbox IP :::::: TO: Lee Jones <lee.jones@xxxxxxxxxx> :::::: CC: Jassi Brar <jaswinder.singh@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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