Hi Vasileios, kernel test robot noticed the following build errors: [auto build test ERROR on 8bea3878a1511bceadc2fbf284b00bcc5a2ef28d] url: https://github.com/intel-lab-lkp/linux/commits/Vasileios-Amoiridis/iio-Drop-usage-of-iio_validate_own_trigger/20240922-022124 base: 8bea3878a1511bceadc2fbf284b00bcc5a2ef28d patch link: https://lore.kernel.org/r/20240921181939.392517-2-vassilisamir%40gmail.com patch subject: [PATCH v1 1/2] iio: Drop usage of iio_validate_own_trigger() config: x86_64-buildonly-randconfig-002-20240922 (https://download.01.org/0day-ci/archive/20240922/202409221122.4BTAc5w1-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240922/202409221122.4BTAc5w1-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/202409221122.4BTAc5w1-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/iio/accel/kionix-kx022a.c:876:22: error: incompatible function pointer types initializing 'int (*)(struct iio_dev *, struct iio_trigger *)' with an expression of type 'int (struct iio_trigger *, struct iio_dev *)' [-Wincompatible-function-pointer-types] 876 | .validate_trigger = iio_trigger_validate_own_device, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. -- >> drivers/iio/light/rohm-bu27008.c:1389:22: error: incompatible function pointer types initializing 'int (*)(struct iio_dev *, struct iio_trigger *)' with an expression of type 'int (struct iio_trigger *, struct iio_dev *)' [-Wincompatible-function-pointer-types] 1389 | .validate_trigger = iio_trigger_validate_own_device, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +876 drivers/iio/accel/kionix-kx022a.c 869 870 static const struct iio_info kx022a_info = { 871 .read_raw = &kx022a_read_raw, 872 .write_raw = &kx022a_write_raw, 873 .write_raw_get_fmt = &kx022a_write_raw_get_fmt, 874 .read_avail = &kx022a_read_avail, 875 > 876 .validate_trigger = iio_trigger_validate_own_device, 877 .hwfifo_set_watermark = kx022a_set_watermark, 878 .hwfifo_flush_to_buffer = kx022a_fifo_flush, 879 }; 880 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki