Re: [PATCH v3 2/2] i2c: Add i2c_device_get_match_data() callback

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Hi Biju,

kernel test robot noticed the following build warnings:

[auto build test WARNING on wsa/i2c/for-next]
[also build test WARNING on driver-core/driver-core-testing driver-core/driver-core-next driver-core/driver-core-linus linus/master v6.5-rc4 next-20230801]
[cannot apply to sailus-media-tree/streams]
[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/Biju-Das/drivers-fwnode-Extend-device_get_match_data-to-struct-bus_type/20230802-010931
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
patch link:    https://lore.kernel.org/r/20230801170318.82682-3-biju.das.jz%40bp.renesas.com
patch subject: [PATCH v3 2/2] i2c: Add i2c_device_get_match_data() callback
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230802/202308021316.lB5HzyKZ-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230802/202308021316.lB5HzyKZ-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/202308021316.lB5HzyKZ-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from include/uapi/linux/fb.h:6,
                    from include/linux/fb.h:7,
                    from include/linux/vga_switcheroo.h:34,
                    from sound/pci/hda/hda_intel.c:52:
   include/linux/i2c.h:1038:2: error: redefinition of 'i2c_of_match_device'
    1038 | *i2c_of_match_device(const struct of_device_id *matches,
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/i2c.h:1031:2: note: previous definition of 'i2c_of_match_device' with type 'const struct of_device_id *(const struct of_device_id *, struct i2c_client *)'
    1031 | *i2c_of_match_device(const struct of_device_id *matches,
         |  ^~~~~~~~~~~~~~~~~~~
   In file included from include/linux/container_of.h:5,
                    from include/linux/kernel.h:21,
                    from arch/x86/include/asm/percpu.h:27,
                    from arch/x86/include/asm/current.h:10,
                    from include/linux/sched.h:12,
                    from include/linux/delay.h:23,
                    from sound/pci/hda/hda_intel.c:23:
   include/linux/build_bug.h:16:51: error: bit-field '<anonymous>' width not an integer constant
      16 | #define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
         |                                                   ^
   include/linux/compiler.h:231:33: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
     231 | #define __must_be_array(a)      BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
         |                                 ^~~~~~~~~~~~~~~~~
   include/linux/kernel.h:56:59: note: in expansion of macro '__must_be_array'
      56 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
         |                                                           ^~~~~~~~~~~~~~~
   include/linux/moduleparam.h:517:20: note: in expansion of macro 'ARRAY_SIZE'
     517 |         = { .max = ARRAY_SIZE(array), .num = nump,                      \
         |                    ^~~~~~~~~~
   include/linux/moduleparam.h:501:9: note: in expansion of macro 'module_param_array_named'
     501 |         module_param_array_named(name, name, type, nump, perm)
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   sound/pci/hda/hda_intel.c:125:1: note: in expansion of macro 'module_param_array'
     125 | module_param_array(index, int, NULL, 0444);
         | ^~~~~~~~~~~~~~~~~~
>> sound/pci/hda/hda_intel.c:104:12: warning: 'index' defined but not used [-Wunused-variable]
     104 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
         |            ^~~~~


vim +/index +104 sound/pci/hda/hda_intel.c

33124929a23c5b5 Takashi Iwai      2014-06-26  102  
^1da177e4c3f415 Linus Torvalds    2005-04-16  103  
5aba4f8ec72b2b8 Takashi Iwai      2008-01-07 @104  static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
5aba4f8ec72b2b8 Takashi Iwai      2008-01-07  105  static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
a67ff6a54095e27 Rusty Russell     2011-12-15  106  static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
5aba4f8ec72b2b8 Takashi Iwai      2008-01-07  107  static char *model[SNDRV_CARDS];
1dac6695c683c66 Takashi Iwai      2012-09-13  108  static int position_fix[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
5c0d7bc103dd1ae Takashi Iwai      2008-06-10  109  static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
5aba4f8ec72b2b8 Takashi Iwai      2008-01-07  110  static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
d4d9cd0338892e7 Takashi Iwai      2008-12-19  111  static int probe_only[SNDRV_CARDS];
26a6cb6cca225f6 David Henningsson 2012-10-09  112  static int jackpoll_ms[SNDRV_CARDS];
41438f1314b0f6f Takashi Iwai      2017-01-12  113  static int single_cmd = -1;
71623855e20c3fe Takashi Iwai      2009-09-28  114  static int enable_msi = -1;
4ea6fbc8eb23c3a Takashi Iwai      2009-06-17  115  #ifdef CONFIG_SND_HDA_PATCH_LOADER
4ea6fbc8eb23c3a Takashi Iwai      2009-06-17  116  static char *patch[SNDRV_CARDS];
4ea6fbc8eb23c3a Takashi Iwai      2009-06-17  117  #endif
2dca0bba70ce3c2 Jaroslav Kysela   2009-11-13  118  #ifdef CONFIG_SND_HDA_INPUT_BEEP
0920c9b4c4d8960 Takashi Iwai      2012-07-03  119  static bool beep_mode[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] =
2dca0bba70ce3c2 Jaroslav Kysela   2009-11-13  120  					CONFIG_SND_HDA_INPUT_BEEP_MODE};
2dca0bba70ce3c2 Jaroslav Kysela   2009-11-13  121  #endif
7fba6aea4472f01 Takashi Iwai      2020-01-09  122  static bool dmic_detect = 1;
d045bceff5a904b Jaroslav Kysela   2023-02-02  123  static bool ctl_dev_id = IS_ENABLED(CONFIG_SND_HDA_CTL_DEV_ID) ? 1 : 0;
^1da177e4c3f415 Linus Torvalds    2005-04-16  124  

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



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