Re: [PATCH 1/1] tty: i3c: add tty over i3c master support

From: kernel test robot <lkp@intel.com>
To: Frank Li <Frank.Li@nxp.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jirislaby@kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	"open list:TTY LAYER AND SERIAL DRIVERS"
	<linux-serial@vger.kernel.org>
Cc: oe-kbuild-all@lists.linux.dev, alexandre.belloni@bootlin.com,
	conor.culhane@silvaco.com, imx@lists.linux.dev, joe@perches.com,
	linux-i3c@lists.infradead.org, miquel.raynal@bootlin.com
Subject: Re: [PATCH 1/1] tty: i3c: add tty over i3c master support
Date: Fri, 20 Oct 2023 20:02:20 +0800	[thread overview]
Message-ID: <202310201933.9lZn2Ebl-lkp@intel.com> (raw)
In-Reply-To: <20231018211111.3437929-1-Frank.Li@nxp.com>

Hi Frank,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tty/tty-testing]
[also build test WARNING on tty/tty-next tty/tty-linus linus/master v6.6-rc6 next-20231019]
[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/tty-i3c-add-tty-over-i3c-master-support/20231019-051407
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link:    https://lore.kernel.org/r/20231018211111.3437929-1-Frank.Li%40nxp.com
patch subject: [PATCH 1/1] tty: i3c: add tty over i3c master support
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20231020/202310201933.9lZn2Ebl-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/20231020/202310201933.9lZn2Ebl-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310201933.9lZn2Ebl-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/tty/i3c_tty.c: In function 'tty_i3c_rxwork':
   drivers/tty/i3c_tty.c:265:26: error: 'struct i3c_priv_xfer' has no member named 'actual_len'
     265 |                 if (xfers.actual_len) {
         |                          ^
   drivers/tty/i3c_tty.c:266:82: error: 'struct i3c_priv_xfer' has no member named 'actual_len'
     266 |                         tty_insert_flip_string(&sport->port, sport->buffer, xfers.actual_len);
         |                                                                                  ^
   drivers/tty/i3c_tty.c:271:25: error: implicit declaration of function 'i3c_device_getstatus_format1' [-Werror=implicit-function-declaration]
     271 |                         i3c_device_getstatus_format1(sport->i3cdev, &status);
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/tty/i3c_tty.c: At top level:
>> drivers/tty/i3c_tty.c:400:6: warning: no previous prototype for 'i3c_remove' [-Wmissing-prototypes]
     400 | void i3c_remove(struct i3c_device *dev)
         |      ^~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/i3c_remove +400 drivers/tty/i3c_tty.c

   399	
 > 400	void i3c_remove(struct i3c_device *dev)
   401	{
   402		struct ttyi3c_port *sport = dev_get_drvdata(&dev->dev);
   403	
   404		tty_port_unregister_device(&sport->port, i3c_tty_driver, sport->minor);
   405		cancel_work_sync(&sport->txwork);
   406		destroy_workqueue(sport->workqueue);
   407	}
   408	

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