Hi Linus, kernel test robot noticed the following build errors: [auto build test ERROR on 348551ddaf311c76b01cdcbaf61b6fef06a49144] url: https://github.com/intel-lab-lkp/linux/commits/Linus-Walleij/Input-ads7846-Convert-to-use-software-nodes/20230505-162601 base: 348551ddaf311c76b01cdcbaf61b6fef06a49144 patch link: https://lore.kernel.org/r/20230430-nokia770-regression-v2-1-984ed3ca5444%40linaro.org patch subject: [PATCH v2 1/3] Input: ads7846 - Convert to use software nodes config: hexagon-randconfig-r041-20230501 (https://download.01.org/0day-ci/archive/20230505/202305051758.yjd7CtkI-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b0fb98227c90adf2536c9ad644a74d5e92961111) 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/9708c9277cc820e52916ddf795926d3254bb5eed git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Linus-Walleij/Input-ads7846-Convert-to-use-software-nodes/20230505-162601 git checkout 9708c9277cc820e52916ddf795926d3254bb5eed # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/input/touchscreen/ 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/202305051758.yjd7CtkI-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/input/touchscreen/ads7846.c:24: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: 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:560:61: 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/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from drivers/input/touchscreen/ads7846.c:24: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: 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/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from drivers/input/touchscreen/ads7846.c:24: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: 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:594:59: 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:604:59: 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); ~~~~~~~~~~ ^ >> drivers/input/touchscreen/ads7846.c:1406:21: error: use of undeclared identifier 'ads7846_dt_ids' .of_match_table = ads7846_dt_ids, ^ 6 warnings and 1 error generated. vim +/ads7846_dt_ids +1406 drivers/input/touchscreen/ads7846.c 1401 1402 static struct spi_driver ads7846_driver = { 1403 .driver = { 1404 .name = "ads7846", 1405 .pm = pm_sleep_ptr(&ads7846_pm), > 1406 .of_match_table = ads7846_dt_ids, 1407 }, 1408 .probe = ads7846_probe, 1409 .remove = ads7846_remove, 1410 }; 1411 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
