linux-kernel - drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'timing0' not described in 'mxs_i2c

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Message-ID: <202412230939.8AJO139S-lkp@intel.com>
Date: Mon, 23 Dec 2024 09:19:58 +0800
From: kernel test robot <lkp@...el.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Wolfram Sang <wsa-dev@...g-engineering.com>
Subject: drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or
 struct member 'timing0' not described in 'mxs_i2c_dev'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4bbf9020becbfd8fc2c3da790855b7042fad455b
commit: 4a2d5f663dab6614772d8e28ca190b127ba46d9d i2c: Enable compile testing for more drivers
date:   4 years, 11 months ago
config: sparc-randconfig-001-20241212 (https://download.01.org/0day-ci/archive/20241223/202412230939.8AJO139S-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 12.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241223/202412230939.8AJO139S-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/202412230939.8AJO139S-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'timing0' not described in 'mxs_i2c_dev'
>> drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'timing1' not described in 'mxs_i2c_dev'
>> drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'timing2' not described in 'mxs_i2c_dev'
>> drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'dmach' not described in 'mxs_i2c_dev'
>> drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'pio_data' not described in 'mxs_i2c_dev'
>> drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'addr_data' not described in 'mxs_i2c_dev'
>> drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'sg_io' not described in 'mxs_i2c_dev'
>> drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'dma_read' not described in 'mxs_i2c_dev'


vim +130 drivers/i2c/busses/i2c-mxs.c

616228a164d436 Juergen Beisert 2013-09-30  101  
a8da7fecb60102 Wolfram Sang    2011-02-16  102  /**
a8da7fecb60102 Wolfram Sang    2011-02-16  103   * struct mxs_i2c_dev - per device, private MXS-I2C data
a8da7fecb60102 Wolfram Sang    2011-02-16  104   *
a8da7fecb60102 Wolfram Sang    2011-02-16  105   * @dev: driver model device node
616228a164d436 Juergen Beisert 2013-09-30  106   * @dev_type: distinguish i.MX23/i.MX28 features
a8da7fecb60102 Wolfram Sang    2011-02-16  107   * @regs: IO registers pointer
a8da7fecb60102 Wolfram Sang    2011-02-16  108   * @cmd_complete: completion object for transaction wait
a8da7fecb60102 Wolfram Sang    2011-02-16  109   * @cmd_err: error code for last transaction
a8da7fecb60102 Wolfram Sang    2011-02-16  110   * @adapter: i2c subsystem adapter node
a8da7fecb60102 Wolfram Sang    2011-02-16  111   */
a8da7fecb60102 Wolfram Sang    2011-02-16  112  struct mxs_i2c_dev {
a8da7fecb60102 Wolfram Sang    2011-02-16  113  	struct device *dev;
616228a164d436 Juergen Beisert 2013-09-30  114  	enum mxs_i2c_devtype dev_type;
a8da7fecb60102 Wolfram Sang    2011-02-16  115  	void __iomem *regs;
a8da7fecb60102 Wolfram Sang    2011-02-16  116  	struct completion cmd_complete;
0f40cbc4f85e13 Fabio Estevam   2013-01-07  117  	int cmd_err;
a8da7fecb60102 Wolfram Sang    2011-02-16  118  	struct i2c_adapter adapter;
626f0a2ff6bc98 Marek Vasut     2012-11-30  119  
626f0a2ff6bc98 Marek Vasut     2012-11-30  120  	uint32_t timing0;
626f0a2ff6bc98 Marek Vasut     2012-11-30  121  	uint32_t timing1;
869c6a3ededbb1 Lothar Waßmann  2013-07-05  122  	uint32_t timing2;
62885f59a26195 Marek Vasut     2012-08-24  123  
62885f59a26195 Marek Vasut     2012-08-24  124  	/* DMA support components */
62885f59a26195 Marek Vasut     2012-08-24  125  	struct dma_chan			*dmach;
62885f59a26195 Marek Vasut     2012-08-24  126  	uint32_t			pio_data[2];
62885f59a26195 Marek Vasut     2012-08-24  127  	uint32_t			addr_data;
62885f59a26195 Marek Vasut     2012-08-24  128  	struct scatterlist		sg_io[2];
62885f59a26195 Marek Vasut     2012-08-24  129  	bool				dma_read;
a8da7fecb60102 Wolfram Sang    2011-02-16 @130  };
a8da7fecb60102 Wolfram Sang    2011-02-16  131  

:::::: The code at line 130 was first introduced by commit
:::::: a8da7fecb6010222fe495cc2b4330b99bca20c61 i2c: add driver for Freescale i.MX28

:::::: TO: Wolfram Sang <w.sang@...gutronix.de>
:::::: CC: Ben Dooks <ben-linux@...ff.org>

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