Hi Mehdi, Thank you for the patch! Yet something to improve: [auto build test ERROR on jic23-iio/togreg] [also build test ERROR on next-20230317] [cannot apply to linus/master v6.3-rc2] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Mehdi-Djait/dt-bindings-iio-Add-KX132-accelerometer/20230317-075056 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/3ddca10a4c03c3a64afb831cc9dd1e01fe89d305.1679009443.git.mehdi.djait.k%40gmail.com patch subject: [PATCH 2/3] iio: accel: kionix-kx022a: Add chip_info structure config: i386-randconfig-a011-20230313 (https://download.01.org/0day-ci/archive/20230317/202303171208.uYJzdkrv-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/intel-lab-lkp/linux/commit/40c75341c42d0e5bea5d73961202978a4be41cd2 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mehdi-Djait/dt-bindings-iio-Add-KX132-accelerometer/20230317-075056 git checkout 40c75341c42d0e5bea5d73961202978a4be41cd2 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/iio/accel/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303171208.uYJzdkrv-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> drivers/iio/accel/kionix-kx022a-i2c.c:27:12: error: assigning to 'struct kx022a_chip_info *' from 'const void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] chip_info = device_get_match_data(&i2c->dev); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/iio/accel/kionix-kx022a-i2c.c:29:13: error: assigning to 'struct kx022a_chip_info *' from 'const struct kx022a_chip_info *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] chip_info = (const struct kx022a_chip_info *) id->driver_data; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 errors generated. -- >> drivers/iio/accel/kionix-kx022a.c:598:16: warning: variable length array used [-Wvla] __le16 buffer[data->chip_info->fifo_length * 3]; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. -- >> drivers/iio/accel/kionix-kx022a-spi.c:27:12: error: assigning to 'struct kx022a_chip_info *' from 'const void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] chip_info = device_get_match_data(&spi->dev); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/iio/accel/kionix-kx022a-spi.c:29:13: error: assigning to 'struct kx022a_chip_info *' from 'const struct kx022a_chip_info *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers] chip_info = (const struct kx022a_chip_info *) id->driver_data; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2 errors generated. vim +27 drivers/iio/accel/kionix-kx022a-i2c.c 14 15 static int kx022a_i2c_probe(struct i2c_client *i2c) 16 { 17 struct device *dev = &i2c->dev; 18 struct kx022a_chip_info *chip_info; 19 struct regmap *regmap; 20 const struct i2c_device_id *id = i2c_client_get_device_id(i2c); 21 22 if (!i2c->irq) { 23 dev_err(dev, "No IRQ configured\n"); 24 return -EINVAL; 25 } 26 > 27 chip_info = device_get_match_data(&i2c->dev); 28 if (!chip_info) > 29 chip_info = (const struct kx022a_chip_info *) id->driver_data; 30 31 regmap = devm_regmap_init_i2c(i2c, chip_info->regmap_config); 32 if (IS_ERR(regmap)) 33 return dev_err_probe(dev, PTR_ERR(regmap), 34 "Failed to initialize Regmap\n"); 35 36 return kx022a_probe_internal(dev, chip_info); 37 } 38 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests