Hi Michal, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on mtd/spi-nor/next] [also build test WARNING on sunxi/sunxi/for-next krzk/for-next krzk-dt/for-next krzk-mem-ctrl/for-next linus/master v5.19-rc6 next-20220714] [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/Michal-Suchanek/mtd-spi-nor-When-a-flash-memory-is-missing-do-not-report-an-error/20220715-032336 base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git spi-nor/next config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220715/202207150854.H5k2mIIu-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/d747dae258dd8d5220d38fae5fd09be703b0391b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Michal-Suchanek/mtd-spi-nor-When-a-flash-memory-is-missing-do-not-report-an-error/20220715-032336 git checkout d747dae258dd8d5220d38fae5fd09be703b0391b # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/mtd/spi-nor/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/mtd/spi-nor/core.c:1655:8: warning: type qualifiers ignored on function return type [-Wignored-qualifiers] 1655 | static const bool buffer_uniform(const u8 *buffer, size_t length) | ^~~~~ vim +1655 drivers/mtd/spi-nor/core.c 1654 > 1655 static const bool buffer_uniform(const u8 *buffer, size_t length) 1656 { 1657 bool all0; 1658 size_t i; 1659 1660 for (all0 = true, i = 0; i < length; i++) 1661 if (buffer[i] != 0) { 1662 all0 = false; 1663 break; 1664 } 1665 if (all0) 1666 return true; 1667 for (i = 0; i < length; i++) 1668 if (buffer[i] != 0xff) 1669 return false; 1670 return true; 1671 } 1672 -- 0-DAY CI Kernel Test Service https://01.org/lkp
