Re: [RFC PATCH v1 7/9] iio: Expand IIO event interface for real-world unit handling

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

Hi Marcelo,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on c30e80d68a7afb334fde7147ee0106f25dd58d3a]

url:    https://github.com/intel-lab-lkp/linux/commits/Marcelo-Schmitt/iio-ABI-Drop-unused-in_energy_input/20260119-022321
base:   c30e80d68a7afb334fde7147ee0106f25dd58d3a
patch link:    https://lore.kernel.org/r/6d9baa8d553d03a41fbd97bca0377a7a4779a93e.1768759292.git.marcelo.schmitt1%40gmail.com
patch subject: [RFC PATCH v1 7/9] iio: Expand IIO event interface for real-world unit handling
config: i386-buildonly-randconfig-005-20260119 (https://download.01.org/0day-ci/archive/20260119/202601191016.14C0gjBY-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260119/202601191016.14C0gjBY-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/202601191016.14C0gjBY-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/iio/dac/ad8460.c:653:23: error: incompatible function pointer types initializing 'int (*)(struct iio_dev *, const struct iio_chan_spec *, enum iio_event_type, enum iio_event_direction, enum iio_event_info, enum iio_event_unit, int, int)' with an expression of type 'int (*)(struct iio_dev *, const struct iio_chan_spec *, enum iio_event_type, enum iio_event_direction, enum iio_event_info, int, int)' [-Wincompatible-function-pointer-types]
     653 |         .write_event_value = &ad8460_write_event_value,
         |                              ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/iio/dac/ad8460.c:654:22: error: incompatible function pointer types initializing 'int (*)(struct iio_dev *, const struct iio_chan_spec *, enum iio_event_type, enum iio_event_direction, enum iio_event_info, enum iio_event_unit, int *, int *)' with an expression of type 'int (*)(struct iio_dev *, const struct iio_chan_spec *, enum iio_event_type, enum iio_event_direction, enum iio_event_info, int *, int *)' [-Wincompatible-function-pointer-types]
     654 |         .read_event_value = &ad8460_read_event_value,
         |                             ^~~~~~~~~~~~~~~~~~~~~~~~
   2 errors generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for CAN_DEV
   Depends on [n]: NETDEVICES [=n] && CAN [=y]
   Selected by [y]:
   - CAN [=y] && NET [=y]


vim +653 drivers/iio/dac/ad8460.c

a976ef24c62540d Mariel Tinaco 2024-09-12  649  
a976ef24c62540d Mariel Tinaco 2024-09-12  650  static const struct iio_info ad8460_info = {
a976ef24c62540d Mariel Tinaco 2024-09-12  651  	.read_raw = &ad8460_read_raw,
a976ef24c62540d Mariel Tinaco 2024-09-12  652  	.write_raw = &ad8460_write_raw,
a976ef24c62540d Mariel Tinaco 2024-09-12 @653  	.write_event_value = &ad8460_write_event_value,
a976ef24c62540d Mariel Tinaco 2024-09-12  654  	.read_event_value = &ad8460_read_event_value,
a976ef24c62540d Mariel Tinaco 2024-09-12  655  	.write_event_config = &ad8460_write_event_config,
a976ef24c62540d Mariel Tinaco 2024-09-12  656  	.read_event_config = &ad8460_read_event_config,
a976ef24c62540d Mariel Tinaco 2024-09-12  657  	.debugfs_reg_access = &ad8460_reg_access,
a976ef24c62540d Mariel Tinaco 2024-09-12  658  };
a976ef24c62540d Mariel Tinaco 2024-09-12  659  

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