Re: [PATCH v6 2/2] Driver for ON Semi AR0521 camera sensor

[kernel test robot <lkp@intel.com>]

Hi "Krzysztof,

I love your patch! Yet something to improve:

[auto build test ERROR on media-tree/master]
[also build test ERROR on linus/master v5.16-rc7 next-20211224]
[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]

url:    https://github.com/0day-ci/linux/commits/Krzysztof-Ha-asa/On-Semi-AR0521-sensor-driver/20211223-150758
base:   git://linuxtv.org/media_tree.git master
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220101/202201010737.V5A5o9x5-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/664482ab74a2331a7a7ead9256b0455cfc3334c7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Krzysztof-Ha-asa/On-Semi-AR0521-sensor-driver/20211223-150758
        git checkout 664482ab74a2331a7a7ead9256b0455cfc3334c7
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from include/linux/device.h:25,
                    from include/linux/pm_runtime.h:11,
                    from drivers/media/i2c/ar0521.c:10:
>> drivers/media/i2c/ar0521.c:1029:21: error: initialization of 'int (*)(struct device *)' from incompatible pointer type 'void (*)(struct device *)' [-Werror=incompatible-pointer-types]
    1029 |  SET_RUNTIME_PM_OPS(ar0521_power_off, ar0521_power_on, NULL)
         |                     ^~~~~~~~~~~~~~~~
   include/linux/pm.h:341:21: note: in definition of macro 'SET_RUNTIME_PM_OPS'
     341 |  .runtime_suspend = suspend_fn, \
         |                     ^~~~~~~~~~
   drivers/media/i2c/ar0521.c:1029:21: note: (near initialization for 'ar0521_pm_ops.runtime_suspend')
    1029 |  SET_RUNTIME_PM_OPS(ar0521_power_off, ar0521_power_on, NULL)
         |                     ^~~~~~~~~~~~~~~~
   include/linux/pm.h:341:21: note: in definition of macro 'SET_RUNTIME_PM_OPS'
     341 |  .runtime_suspend = suspend_fn, \
         |                     ^~~~~~~~~~
   cc1: some warnings being treated as errors


vim +1029 drivers/media/i2c/ar0521.c

  1026	
  1027	static const struct dev_pm_ops ar0521_pm_ops = {
  1028		SET_SYSTEM_SLEEP_PM_OPS(ar0521_suspend, ar0521_resume)
> 1029		SET_RUNTIME_PM_OPS(ar0521_power_off, ar0521_power_on, NULL)
  1030	};
  1031	static const struct of_device_id ar0521_dt_ids[] = {
  1032		{.compatible = "onnn,ar0521"},
  1033		{}
  1034	};
  1035	MODULE_DEVICE_TABLE(of, ar0521_dt_ids);
  1036	

---
0-DAY CI Kernel Test Service, Intel Corporation
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