Hi Vasileios, kernel test robot noticed the following build errors: [auto build test ERROR on 47ee461357f9da5a35d5f43527b7804a6a5744cb] url: https://github.com/intel-lab-lkp/linux/commits/Vasileios-Amoiridis/iio-pressure-bmp280-Use-bulk-read-for-humidity-calibration-data/20240726-071712 base: 47ee461357f9da5a35d5f43527b7804a6a5744cb patch link: https://lore.kernel.org/r/20240725231039.614536-8-vassilisamir%40gmail.com patch subject: [PATCH v2 7/7] iio: pressure bmp280: Move bmp085 interrupt to new configuration config: s390-randconfig-002-20240726 (https://download.01.org/0day-ci/archive/20240727/202407270859.izJnB7MZ-lkp@xxxxxxxxx/config) compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240727/202407270859.izJnB7MZ-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/202407270859.izJnB7MZ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/iio/pressure/bmp280-core.c:36: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from drivers/iio/pressure/bmp280-core.c:36: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from drivers/iio/pressure/bmp280-core.c:36: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ >> drivers/iio/pressure/bmp280-core.c:3146:29: error: initializer element is not a compile-time constant .id_reg = bmp180_chip_info.id_reg, ~~~~~~~~~~~~~~~~~^~~~~~ 12 warnings and 1 error generated. vim +3146 drivers/iio/pressure/bmp280-core.c 3144 3145 const struct bmp280_chip_info bmp085_chip_info = { > 3146 .id_reg = bmp180_chip_info.id_reg, 3147 .chip_id = bmp180_chip_info.chip_id, 3148 .num_chip_id = bmp180_chip_info.num_chip_id, 3149 .regmap_config = bmp180_chip_info.regmap_config, 3150 .start_up_time = bmp180_chip_info.start_up_time, 3151 .channels = bmp180_chip_info.channels, 3152 .num_channels = bmp180_chip_info.num_channels, 3153 .avail_scan_masks = bmp180_chip_info.avail_scan_masks, 3154 3155 .oversampling_temp_avail = bmp180_chip_info.oversampling_temp_avail, 3156 .num_oversampling_temp_avail = 3157 bmp180_chip_info.num_oversampling_temp_avail, 3158 .oversampling_temp_default = bmp180_chip_info.oversampling_temp_default, 3159 3160 .oversampling_press_avail = bmp180_chip_info.oversampling_press_avail, 3161 .num_oversampling_press_avail = 3162 bmp180_chip_info.num_oversampling_press_avail, 3163 .oversampling_press_default = 3164 bmp180_chip_info.oversampling_press_default, 3165 3166 .temp_coeffs = bmp180_chip_info.temp_coeffs, 3167 .temp_coeffs_type = bmp180_chip_info.temp_coeffs_type, 3168 .press_coeffs = bmp180_chip_info.press_coeffs, 3169 .press_coeffs_type = bmp180_chip_info.press_coeffs_type, 3170 3171 .chip_config = bmp180_chip_info.chip_config, 3172 .read_temp = bmp180_chip_info.read_temp, 3173 .read_press = bmp180_chip_info.read_press, 3174 .read_calib = bmp180_chip_info.read_calib, 3175 .set_mode = bmp180_chip_info.set_mode, 3176 .wait_conv = bmp180_chip_info.wait_conv, 3177 3178 .trigger_probe = bmp085_trigger_probe, 3179 .trigger_handler = bmp180_trigger_handler, 3180 }; 3181 EXPORT_SYMBOL_NS(bmp085_chip_info, IIO_BMP280); 3182 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki