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Date: Sat, 3 Feb 2024 01:29:51 +0800
From: kernel test robot <lkp@...el.com>
To: Frank Li <Frank.Li@....com>, ilpo.jarvinen@...ux.intel.com
Cc: oe-kbuild-all@...ts.linux.dev, Frank.Li@....com,
	alexandre.belloni@...tlin.com, conor.culhane@...vaco.com,
	devicetree@...r.kernel.org, gregkh@...uxfoundation.org,
	imx@...ts.linux.dev, jirislaby@...nel.org, joe@...ches.com,
	krzysztof.kozlowski+dt@...aro.org, krzysztof.kozlowski@...aro.org,
	linux-i3c@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org, miquel.raynal@...tlin.com,
	robh@...nel.org, zbigniew.lukwinski@...ux.intel.com
Subject: Re: [PATCH v5 1/8] i3c: add target mode support

Hi Frank,

kernel test robot noticed the following build errors:

[auto build test ERROR on tty/tty-testing]
[also build test ERROR on tty/tty-next tty/tty-linus robh/for-next linus/master v6.8-rc2 next-20240202]
[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-target-mode-support/20240130-035826
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link:    https://lore.kernel.org/r/20240129195321.229867-2-Frank.Li%40nxp.com
patch subject: [PATCH v5 1/8] i3c: add target mode support
config: x86_64-randconfig-104-20240202 (https://download.01.org/0day-ci/archive/20240203/202402030100.hmViPmOK-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240203/202402030100.hmViPmOK-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/202402030100.hmViPmOK-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: drivers/i3c/target.o: in function `i3c_target_ctrl_destroy':
>> drivers/i3c/target.c:182: undefined reference to `i3c_target_cfs_remove_ctrl_group'
   ld: drivers/i3c/target.o: in function `__i3c_target_func_register_driver':
>> drivers/i3c/target.c:406: undefined reference to `i3c_target_cfs_add_func_group'
   ld: drivers/i3c/target.o: in function `__i3c_target_ctrl_create':
>> drivers/i3c/target.c:141: undefined reference to `i3c_target_cfs_add_ctrl_group'
   ld: drivers/i3c/target.o: in function `i3c_target_ctrl_destroy':
>> drivers/i3c/target.c:182: undefined reference to `i3c_target_cfs_remove_ctrl_group'


vim +182 drivers/i3c/target.c

   104	
   105	/**
   106	 * __i3c_target_ctrl_create() - create a new target controller device
   107	 * @dev: device that is creating the new target controller
   108	 * @ops: function pointers for performing target controller  operations
   109	 * @owner: the owner of the module that creates the target controller device
   110	 *
   111	 * Return: Pointer to struct i3c_target_ctrl
   112	 */
   113	struct i3c_target_ctrl *
   114	__i3c_target_ctrl_create(struct device *dev, const struct i3c_target_ctrl_ops *ops,
   115				struct module *owner)
   116	{
   117		struct i3c_target_ctrl *ctrl;
   118		int ret;
   119	
   120		if (WARN_ON(!dev))
   121			return ERR_PTR(-EINVAL);
   122	
   123		ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL);
   124		if (!ctrl)
   125			return ERR_PTR(-ENOMEM);
   126	
   127		device_initialize(&ctrl->dev);
   128		ctrl->dev.class = i3c_target_ctrl_class;
   129		ctrl->dev.parent = dev;
   130		ctrl->dev.release = i3c_target_ctrl_release;
   131		ctrl->ops = ops;
   132	
   133		ret = dev_set_name(&ctrl->dev, "%s", dev_name(dev));
   134		if (ret)
   135			goto put_dev;
   136	
   137		ret = device_add(&ctrl->dev);
   138		if (ret)
   139			goto put_dev;
   140	
 > 141		ctrl->group = i3c_target_cfs_add_ctrl_group(ctrl);
   142		if (!ctrl->group)
   143			goto put_dev;
   144	
   145		return ctrl;
   146	
   147	put_dev:
   148		put_device(&ctrl->dev);
   149		kfree(ctrl);
   150	
   151		return ERR_PTR(ret);
   152	}
   153	EXPORT_SYMBOL_GPL(__i3c_target_ctrl_create);
   154	
   155	/**
   156	 * devm_i3c_target_ctrl_destroy() - destroy the target controller device
   157	 * @dev: device that hat has to be destroy
   158	 * @ctrl: the target controller device that has to be destroy
   159	 *
   160	 * Invoke to create a new target controller device and add it to i3c_target class. While at that, it
   161	 * also associates the device with the i3c_target using devres. On driver detach, release function
   162	 * is invoked on the devres data, then devres data is freed.
   163	 */
   164	void devm_i3c_target_ctrl_destroy(struct device *dev, struct i3c_target_ctrl *ctrl)
   165	{
   166		int r;
   167	
   168		r = devres_destroy(dev, devm_i3c_target_ctrl_release, devm_i3c_target_ctrl_match,
   169				   ctrl);
   170		dev_WARN_ONCE(dev, r, "couldn't find I3C controller resource\n");
   171	}
   172	EXPORT_SYMBOL_GPL(devm_i3c_target_ctrl_destroy);
   173	
   174	/**
   175	 * i3c_target_ctrl_destroy() - destroy the target controller device
   176	 * @ctrl: the target controller device that has to be destroyed
   177	 *
   178	 * Invoke to destroy the I3C target device
   179	 */
   180	void i3c_target_ctrl_destroy(struct i3c_target_ctrl *ctrl)
   181	{
 > 182		i3c_target_cfs_remove_ctrl_group(ctrl->group);
   183		device_unregister(&ctrl->dev);
   184	}
   185	EXPORT_SYMBOL_GPL(i3c_target_ctrl_destroy);
   186	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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