Hi Baoquan, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on next-20221007] [cannot apply to akpm-mm/mm-everything openrisc/for-next deller-parisc/for-next s390/features v6.0] [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/Baoquan-He/mm-ioremap-Convert-architectures-to-take-GENERIC_IOREMAP-way/20221009-183524 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a6afa4199d3d038fbfdff5511f7523b0e30cb774 config: xtensa-nommu_kc705_defconfig compiler: xtensa-de212-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/1330d435c818ccf34bf24ceb36ef6acb1128cf6c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Baoquan-He/mm-ioremap-Convert-architectures-to-take-GENERIC_IOREMAP-way/20221009-183524 git checkout 1330d435c818ccf34bf24ceb36ef6acb1128cf6c # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=xtensa prepare If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from include/linux/io.h:13, from include/linux/irq.h:20, from include/asm-generic/hardirq.h:17, from ./arch/xtensa/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from include/linux/kernel_stat.h:9, from include/linux/cgroup.h:26, from include/linux/memcontrol.h:13, from include/linux/swap.h:9, from include/linux/suspend.h:5, from arch/xtensa/kernel/asm-offsets.c:24: arch/xtensa/include/asm/io.h: In function 'ioremap_cache': >> arch/xtensa/include/asm/io.h:56:55: error: 'XCHAL_KIO_CACHED_VADDR' undeclared (first use in this function); did you mean 'XCHAL_KIO_BYPASS_VADDR'? 56 | return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_CACHED_VADDR); | ^~~~~~~~~~~~~~~~~~~~~~ | XCHAL_KIO_BYPASS_VADDR arch/xtensa/include/asm/io.h:56:55: note: each undeclared identifier is reported only once for each function it appears in make[2]: *** [scripts/Makefile.build:118: arch/xtensa/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1276: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:231: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +56 arch/xtensa/include/asm/io.h 9a8fd558990215 include/asm-xtensa/io.h Chris Zankel 2005-06-23 50 02f3774877382b arch/xtensa/include/asm/io.h Max Filippov 2012-09-17 51 static inline void __iomem *ioremap_cache(unsigned long offset, 02f3774877382b arch/xtensa/include/asm/io.h Max Filippov 2012-09-17 52 unsigned long size) 9a8fd558990215 include/asm-xtensa/io.h Chris Zankel 2005-06-23 53 { 173d6681380aa1 include/asm-xtensa/io.h Chris Zankel 2006-12-10 54 if (offset >= XCHAL_KIO_PADDR 02f3774877382b arch/xtensa/include/asm/io.h Max Filippov 2012-09-17 55 && offset - XCHAL_KIO_PADDR < XCHAL_KIO_SIZE) 173d6681380aa1 include/asm-xtensa/io.h Chris Zankel 2006-12-10 @56 return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_CACHED_VADDR); 173d6681380aa1 include/asm-xtensa/io.h Chris Zankel 2006-12-10 57 else 1330d435c818cc arch/xtensa/include/asm/io.h Baoquan He 2022-10-09 58 return ioremap_prot(offset, size, pgprot_val(PAGE_KERNEL)); 5bb8def55dc562 arch/xtensa/include/asm/io.h Max Filippov 2015-12-10 59 -- 0-DAY CI Kernel Test Service https://01.org/lkp