[PATCH v2 3/3] mailbox: sophgo: add mailbox driver for cv18x SoCs

[kernel test robot]

Hi Yuntao,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v6.10 next-20240712]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Yuntao-Dai/dt-bindings-mailbox-add-Sophgo-cv18x-SoCs-mailbox/20240715-003952
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/SYBP282MB2238F93565D20F0A5F3EEB6BC4A02%40SYBP282MB2238.AUSP282.PROD.OUTLOOK.COM
patch subject: [PATCH v2 3/3] mailbox: sophgo: add mailbox driver for cv18x SoCs
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240715/202407150911.KZchf5cj-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240715/202407150911.KZchf5cj-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407150911.KZchf5cj-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/mailbox/cv1800-mailbox.c:30: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * cv1800 mailbox channel private data


vim +30 drivers/mailbox/cv1800-mailbox.c

    28	
    29	/**
  > 30	 * cv1800 mailbox channel private data
    31	 * @idx: index of channel
    32	 * @cpu: send to which processor
    33	 */
    34	struct cv1800_mbox_chan_priv {
    35		int idx;
    36		int cpu;
    37	};
    38	

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