Re: drivers/i2c/busses/i2c-mxs.c:130: warning: Function parameter or struct member 'timing0' not described in 'mxs_i2c_dev'
From: Philip Li
Date: Sun Dec 22 2024 - 20:39:35 EST
On Mon, Dec 23, 2024 at 09:19:58AM +0800, kernel test robot wrote:
> 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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202412230939.8AJO139S-lkp@xxxxxxxxx/
>
> All warnings (new ones prefixed by >>):
Kindly ignore this report for the wrong bad commit that is not the root cause.
Thanks
>
> >> 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@xxxxxxxxxxxxxx>
> :::::: CC: Ben Dooks <ben-linux@xxxxxxxxx>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>