linux-kernel - Re: drivers/pinctrl/pinctrl-mcp23s08.c:1: warning: no structured comments found

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Message-ID: <ZW7Gfyr5UqEnb9An@yujie-X299>
Date:   Tue, 5 Dec 2023 14:43:11 +0800
From:   Yujie Liu <yujie.liu@...el.com>
To:     Randy Dunlap <rdunlap@...radead.org>
CC:     kernel test robot <lkp@...el.com>,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>,
        <oe-kbuild-all@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: drivers/pinctrl/pinctrl-mcp23s08.c:1: warning: no structured
 comments found

Hi Randy,

On Fri, Dec 01, 2023 at 04:53:22PM -0800, Randy Dunlap wrote:
> Hi lkp,
> 
> On 11/21/23 13:12, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   98b1cc82c4affc16f5598d4fa14b1858671b2263
> > commit: d8f4494e70ae5fef159719bfbb6abedc53619bf1 pinctrl: mcp23s08: drop comment about missing irq support
> > date:   7 years ago
> > config: i386-randconfig-002-20231120 (https://download.01.org/0day-ci/archive/20231122/202311220421.xKye7ZRO-lkp@intel.com/config)
> > compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231122/202311220421.xKye7ZRO-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@...el.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202311220421.xKye7ZRO-lkp@intel.com/
> > 
> > All warnings (new ones prefixed by >>):
> > 
> >    drivers/pinctrl/pinctrl-mcp23s08.c: In function 'mcp_pinconf_set':
> >    drivers/pinctrl/pinctrl-mcp23s08.c:282:6: warning: variable 'val' set but not used [-Wunused-but-set-variable]
> >      u16 val;
> >          ^~~
> >    drivers/pinctrl/pinctrl-mcp23s08.c:281:11: warning: variable 'mask' set but not used [-Wunused-but-set-variable]
> >      u32 arg, mask;
> >               ^~~~
> >>> drivers/pinctrl/pinctrl-mcp23s08.c:1: warning: no structured comments found
> > 
> > 
> > vim +1 drivers/pinctrl/pinctrl-mcp23s08.c
> > 
> >    > 1	/* MCP23S08 SPI/I2C GPIO driver */
> >      2	
> 
> 
> What is the issue here?
> I fail to see a problem.
> 
> I cannot reproduce the $Subject warning message.

Please ignore this false report of kernel-doc warning.
Sorry for the noise.

Best Regards,
Yujie