Re: [PATCH 3/5] i3c: slave: add svc slave controller support

From: kernel test robot <yujie.liu@intel.com>
To: Frank Li <Frank.Li@nxp.com>, <miquel.raynal@bootlin.com>,
	<conor.culhane@silvaco.com>, <alexandre.belloni@bootlin.com>,
	<robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
	<conor+dt@kernel.org>, <corbet@lwn.net>, <joe@perches.com>,
	<linux-i3c@lists.infradead.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-doc@vger.kernel.org>
Cc: <oe-kbuild-all@lists.linux.dev>, <gregkh@linuxfoundation.org>,
	<imx@lists.linux.dev>, <jirislaby@kernel.org>,
	<linux-serial@vger.kernel.org>
Subject: Re: [PATCH 3/5] i3c: slave: add svc slave controller support
Date: Mon, 23 Oct 2023 09:29:26 +0800	[thread overview]
Message-ID: <202310201945.nRKjcul0-lkp@intel.com> (raw)
In-Reply-To: <20231018215809.3477437-4-Frank.Li@nxp.com>

Hi Frank,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v6.6-rc6 next-20231020]
[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/Frank-Li/i3c-add-slave-mode-support/20231019-055940
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20231018215809.3477437-4-Frank.Li%40nxp.com
patch subject: [PATCH 3/5] i3c: slave: add svc slave controller support
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20231020/202310201945.nRKjcul0-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231020/202310201945.nRKjcul0-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 <yujie.liu@intel.com>
| Closes: https://lore.kernel.org/r/202310201945.nRKjcul0-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/i3c/slave/svc-i3c-slave.c:211:39: warning: no previous prototype for 'svc_i3c_get_features' [-Wmissing-prototypes]
     211 | const struct i3c_slave_ctrl_features *svc_i3c_get_features(struct i3c_slave_ctrl *ctrl)
         |                                       ^~~~~~~~~~~~~~~~~~~~
>> drivers/i3c/slave/svc-i3c-slave.c:666:5: warning: no previous prototype for 'svc_i3c_fifo_status' [-Wmissing-prototypes]
     666 | int svc_i3c_fifo_status(struct i3c_slave_ctrl *ctrl, bool tx)
         |     ^~~~~~~~~~~~~~~~~~~

vim +/svc_i3c_get_features +211 drivers/i3c/slave/svc-i3c-slave.c

10d1fc84a07d32 Frank Li 2023-10-18  210  
10d1fc84a07d32 Frank Li 2023-10-18 @211  const struct i3c_slave_ctrl_features *svc_i3c_get_features(struct i3c_slave_ctrl *ctrl)
10d1fc84a07d32 Frank Li 2023-10-18  212  {
10d1fc84a07d32 Frank Li 2023-10-18  213  	struct svc_i3c_slave *svc;
10d1fc84a07d32 Frank Li 2023-10-18  214  
10d1fc84a07d32 Frank Li 2023-10-18  215  	svc = dev_get_drvdata(&ctrl->dev);
10d1fc84a07d32 Frank Li 2023-10-18  216  
10d1fc84a07d32 Frank Li 2023-10-18  217  	if (!svc)
10d1fc84a07d32 Frank Li 2023-10-18  218  		return NULL;
10d1fc84a07d32 Frank Li 2023-10-18  219  
10d1fc84a07d32 Frank Li 2023-10-18  220  	return &svc->features;
10d1fc84a07d32 Frank Li 2023-10-18  221  }
10d1fc84a07d32 Frank Li 2023-10-18  222  

-- 
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https://github.com/intel/lkp-tests/wiki