Hi "Nuno, I love your patch! Yet something to improve: [auto build test ERROR on jic23-iio/togreg] [also build test ERROR on robh/for-next linus/master v5.16 next-20220115] [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/Nuno-S/Add-support-for-LTC2688/20220115-172930 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220116/202201160237.Mxs5GYw3-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/d91bcc420e0c6077053e559f676fa4ae76114ba5 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nuno-S/Add-support-for-LTC2688/20220115-172930 git checkout d91bcc420e0c6077053e559f676fa4ae76114ba5 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha 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/dac/ltc2688.c:590:18: error: initialization of 'ssize_t (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'long int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} from incompatible pointer type 'int (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} [-Werror=incompatible-pointer-types] 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:604:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 604 | LTC2688_CHAN_EXT_INFO("toggle_en", LTC2688_CMD_TOGGLE_DITHER_EN, | ^~~~~~~~~~~~~~~~~~~~~ drivers/iio/dac/ltc2688.c:590:18: note: (near initialization for 'ltc2688_toggle_sym_ext_info[2].write') 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:604:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 604 | LTC2688_CHAN_EXT_INFO("toggle_en", LTC2688_CMD_TOGGLE_DITHER_EN, | ^~~~~~~~~~~~~~~~~~~~~ >> drivers/iio/dac/ltc2688.c:590:18: error: initialization of 'ssize_t (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'long int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} from incompatible pointer type 'int (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} [-Werror=incompatible-pointer-types] 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:619:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 619 | LTC2688_CHAN_EXT_INFO("toggle_en", LTC2688_CMD_TOGGLE_DITHER_EN, | ^~~~~~~~~~~~~~~~~~~~~ drivers/iio/dac/ltc2688.c:590:18: note: (near initialization for 'ltc2688_toggle_ext_info[2].write') 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:619:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 619 | LTC2688_CHAN_EXT_INFO("toggle_en", LTC2688_CMD_TOGGLE_DITHER_EN, | ^~~~~~~~~~~~~~~~~~~~~ >> drivers/iio/dac/ltc2688.c:590:18: error: initialization of 'ssize_t (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'long int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} from incompatible pointer type 'int (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} [-Werror=incompatible-pointer-types] 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:639:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 639 | LTC2688_CHAN_EXT_INFO("dither_frequency", 0, IIO_SEPARATE, | ^~~~~~~~~~~~~~~~~~~~~ drivers/iio/dac/ltc2688.c:590:18: note: (near initialization for 'ltc2688_dither_ext_info[3].write') 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:639:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 639 | LTC2688_CHAN_EXT_INFO("dither_frequency", 0, IIO_SEPARATE, | ^~~~~~~~~~~~~~~~~~~~~ >> drivers/iio/dac/ltc2688.c:590:18: error: initialization of 'ssize_t (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'long int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} from incompatible pointer type 'int (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} [-Werror=incompatible-pointer-types] 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:641:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 641 | LTC2688_CHAN_EXT_INFO("dither_frequency_available", | ^~~~~~~~~~~~~~~~~~~~~ drivers/iio/dac/ltc2688.c:590:18: note: (near initialization for 'ltc2688_dither_ext_info[4].write') 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:641:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 641 | LTC2688_CHAN_EXT_INFO("dither_frequency_available", | ^~~~~~~~~~~~~~~~~~~~~ >> drivers/iio/dac/ltc2688.c:590:18: error: initialization of 'ssize_t (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'long int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} from incompatible pointer type 'int (*)(struct iio_dev *, uintptr_t, const struct iio_chan_spec *, const char *, size_t)' {aka 'int (*)(struct iio_dev *, long unsigned int, const struct iio_chan_spec *, const char *, long unsigned int)'} [-Werror=incompatible-pointer-types] 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:647:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 647 | LTC2688_CHAN_EXT_INFO("dither_en", LTC2688_CMD_TOGGLE_DITHER_EN, | ^~~~~~~~~~~~~~~~~~~~~ drivers/iio/dac/ltc2688.c:590:18: note: (near initialization for 'ltc2688_dither_ext_info[7].write') 590 | .write = (_write), \ | ^ drivers/iio/dac/ltc2688.c:647:9: note: in expansion of macro 'LTC2688_CHAN_EXT_INFO' 647 | LTC2688_CHAN_EXT_INFO("dither_en", LTC2688_CMD_TOGGLE_DITHER_EN, | ^~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +590 drivers/iio/dac/ltc2688.c 586 587 #define LTC2688_CHAN_EXT_INFO(_name, _what, _shared, _read, _write) { \ 588 .name = _name, \ 589 .read = (_read), \ > 590 .write = (_write), \ 591 .private = (_what), \ 592 .shared = (_shared), \ 593 } 594 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
