Hi Antoniu, Thank you for the patch! Yet something to improve: [auto build test ERROR on jic23-iio/togreg] [also build test ERROR on v5.16-rc2 next-20211123] [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/Antoniu-Miclaus/iio-add-filter-subfolder/20211123-214053 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20211124/202111241151.J9kfWWOf-lkp@xxxxxxxxx/config.gz) 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/5785226a8e5139d7275a8213a19c4e8479eca28b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Antoniu-Miclaus/iio-add-filter-subfolder/20211123-214053 git checkout 5785226a8e5139d7275a8213a19c4e8479eca28b # 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@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/iio/filter/admv8818.c:469:74: error: macro "IIO_ENUM_AVAILABLE" passed 3 arguments, but takes just 2 469 | IIO_ENUM_AVAILABLE("filter_mode", IIO_SHARED_BY_ALL, &admv8818_mode_enum), | ^ In file included from drivers/iio/filter/admv8818.c:14: include/linux/iio/iio.h:111: note: macro "IIO_ENUM_AVAILABLE" defined here 111 | #define IIO_ENUM_AVAILABLE(_name, _e) \ | >> drivers/iio/filter/admv8818.c:469:2: error: 'IIO_ENUM_AVAILABLE' undeclared here (not in a function) 469 | IIO_ENUM_AVAILABLE("filter_mode", IIO_SHARED_BY_ALL, &admv8818_mode_enum), | ^~~~~~~~~~~~~~~~~~ vim +/IIO_ENUM_AVAILABLE +469 drivers/iio/filter/admv8818.c 466 467 static const struct iio_chan_spec_ext_info admv8818_ext_info[] = { 468 IIO_ENUM("filter_mode", IIO_SHARED_BY_ALL, &admv8818_mode_enum), > 469 IIO_ENUM_AVAILABLE("filter_mode", IIO_SHARED_BY_ALL, &admv8818_mode_enum), 470 { }, 471 }; 472 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx