[intel-lts:6.18/linux 52/52] drivers/media/i2c/max9x/serdes.c:2693:12: warning: 'max9x_suspend' defined but not used

[intel-lts:6.18/linux 52/52] drivers/media/i2c/max9x/serdes.c:2693:12: warning: 'max9x_suspend' defined but not used

[kernel test robot]

Hi Dongcheng,

FYI, the error/warning still remains.

tree:   https://github.com/intel/linux-intel-lts.git 6.18/linux
head:   773b2eb76d5ee325c7d60f2c161b9b12f32d13fa
commit: baa76709460c288499d118e2daa55ca3df5a6436 [52/52] media: i2c: add gmsl & isx031 support
config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20261020/202610201916.riCyaki1-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 16.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261020/202610201916.riCyaki1-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/202610201916.riCyaki1-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/i2c/max9x/serdes.c:2693:12: warning: 'max9x_suspend' defined but not used [-Wunused-function]
    2693 | static int max9x_suspend(struct device *dev)
         |            ^~~~~~~~~~~~~
>> drivers/media/i2c/max9x/serdes.c:2685:12: warning: 'max9x_resume' defined but not used [-Wunused-function]
    2685 | static int max9x_resume(struct device *dev)
         |            ^~~~~~~~~~~~
   drivers/media/i2c/max9x/serdes.c: In function 'parse_serdes_pdata':
   drivers/media/i2c/max9x/serdes.c:295:47: warning: '%s' directive output may be truncated writing up to 4 bytes into a region of size between 0 and 19 [-Wformat-truncation=]
     295 |         snprintf(dev_name, I2C_NAME_SIZE, "%s %s", sensor_name, suffix);
         |                                               ^~
   In function 'parse_sensor_pdata',
       inlined from 'parse_serdes_pdata' at drivers/media/i2c/max9x/serdes.c:370:3:
   drivers/media/i2c/max9x/serdes.c:295:9: note: 'snprintf' output between 2 and 25 bytes into a destination of size 20
     295 |         snprintf(dev_name, I2C_NAME_SIZE, "%s %s", sensor_name, suffix);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/max9x_suspend +2693 drivers/media/i2c/max9x/serdes.c

2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2684  
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08 @2685  static int max9x_resume(struct device *dev)
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2686  {
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2687  	struct i2c_client *client = to_i2c_client(dev);
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2688  	struct max9x_common *common = max9x_client_to_common(client);
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2689  
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2690  	return max9x_common_resume(common);
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2691  }
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2692  
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08 @2693  static int max9x_suspend(struct device *dev)
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2694  {
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2695  	struct i2c_client *client = to_i2c_client(dev);
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2696  	struct max9x_common *common = max9x_client_to_common(client);
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2697  
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2698  	return max9x_common_suspend(common);
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2699  }
2445b17eae1d53 Shahidan, Muhammad Shahmil 2026-04-08  2700  

:::::: The code at line 2693 was first introduced by commit
:::::: 2445b17eae1d5356936a0a598940dfaad469c29d Add serdes drivers

:::::: TO: Shahidan, Muhammad Shahmil <muhammad.shahmil.shahidan@intel.com>
:::::: CC: sys_oak <sys_oak@intel.com>

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