Hi Arseniy, kernel test robot noticed the following build errors: [auto build test ERROR on mtd/nand/next] [also build test ERROR on linus/master v6.3 next-20230428] [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/Arseniy-Krasnov/mtd-rawnand-macronix-OTP-access-for-MX30LFxG18AC/20230427-013216 base: https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next patch link: https://lore.kernel.org/r/20230426172520.2004711-1-AVKrasnov%40sberdevices.ru patch subject: [PATCH v2] mtd: rawnand: macronix: OTP access for MX30LFxG18AC config: sparc-randconfig-c042-20230430 (https://download.01.org/0day-ci/archive/20230501/202305010034.uh2F9KeO-lkp@xxxxxxxxx/config) compiler: sparc-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/923eca7325935e1120923aeca0177cc0acc61475 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Arseniy-Krasnov/mtd-rawnand-macronix-OTP-access-for-MX30LFxG18AC/20230427-013216 git checkout 923eca7325935e1120923aeca0177cc0acc61475 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/mtd/nand/raw/ 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/202305010034.uh2F9KeO-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from ./arch/sparc/include/generated/asm/div64.h:1, from include/linux/math.h:6, from include/linux/math64.h:6, from include/linux/time64.h:5, from include/linux/restart_block.h:10, from include/linux/thread_info.h:14, from include/asm-generic/preempt.h:5, from ./arch/sparc/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from include/linux/spinlock.h:56, from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/slab.h:15, from drivers/mtd/nand/raw/nand_macronix.c:9: drivers/mtd/nand/raw/nand_macronix.c: In function '__macronix_30lfxg18ac_rw_otp': include/asm-generic/div64.h:222:35: warning: comparison of distinct pointer types lacks a cast 222 | (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ | ^~ drivers/mtd/nand/raw/nand_macronix.c:398:24: note: in expansion of macro 'do_div' 398 | offs_in_page = do_div(page, MACRONIX_30LFXG18AC_OTP_PAGE_SIZE); | ^~~~~~ In file included from include/linux/build_bug.h:5, from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/preempt.h:11: include/asm-generic/div64.h:234:32: warning: right shift count >= width of type [-Wshift-count-overflow] 234 | } else if (likely(((n) >> 32) == 0)) { \ | ^~ include/linux/compiler.h:77:45: note: in definition of macro 'likely' 77 | # define likely(x) __builtin_expect(!!(x), 1) | ^ drivers/mtd/nand/raw/nand_macronix.c:398:24: note: in expansion of macro 'do_div' 398 | offs_in_page = do_div(page, MACRONIX_30LFXG18AC_OTP_PAGE_SIZE); | ^~~~~~ >> include/asm-generic/div64.h:238:36: error: passing argument 1 of '__div64_32' from incompatible pointer type [-Werror=incompatible-pointer-types] 238 | __rem = __div64_32(&(n), __base); \ | ^~~~ | | | long unsigned int * drivers/mtd/nand/raw/nand_macronix.c:398:24: note: in expansion of macro 'do_div' 398 | offs_in_page = do_div(page, MACRONIX_30LFXG18AC_OTP_PAGE_SIZE); | ^~~~~~ include/asm-generic/div64.h:213:38: note: expected 'uint64_t *' {aka 'long long unsigned int *'} but argument is of type 'long unsigned int *' 213 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor); | ~~~~~~~~~~^~~~~~~~ cc1: some warnings being treated as errors vim +/__div64_32 +238 include/asm-generic/div64.h ^1da177e4c3f415 Linus Torvalds 2005-04-16 215 ^1da177e4c3f415 Linus Torvalds 2005-04-16 216 /* The unnecessary pointer compare is there ^1da177e4c3f415 Linus Torvalds 2005-04-16 217 * to check for type safety (n must be 64bit) ^1da177e4c3f415 Linus Torvalds 2005-04-16 218 */ ^1da177e4c3f415 Linus Torvalds 2005-04-16 219 # define do_div(n,base) ({ \ ^1da177e4c3f415 Linus Torvalds 2005-04-16 220 uint32_t __base = (base); \ ^1da177e4c3f415 Linus Torvalds 2005-04-16 221 uint32_t __rem; \ ^1da177e4c3f415 Linus Torvalds 2005-04-16 222 (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ 911918aa7ef6f86 Nicolas Pitre 2015-11-02 223 if (__builtin_constant_p(__base) && \ 911918aa7ef6f86 Nicolas Pitre 2015-11-02 224 is_power_of_2(__base)) { \ 911918aa7ef6f86 Nicolas Pitre 2015-11-02 225 __rem = (n) & (__base - 1); \ 911918aa7ef6f86 Nicolas Pitre 2015-11-02 226 (n) >>= ilog2(__base); \ c747ce4706190ef Geert Uytterhoeven 2021-08-11 227 } else if (__builtin_constant_p(__base) && \ 461a5e51060c93f Nicolas Pitre 2015-10-30 228 __base != 0) { \ 461a5e51060c93f Nicolas Pitre 2015-10-30 229 uint32_t __res_lo, __n_lo = (n); \ 461a5e51060c93f Nicolas Pitre 2015-10-30 230 (n) = __div64_const32(n, __base); \ 461a5e51060c93f Nicolas Pitre 2015-10-30 231 /* the remainder can be computed with 32-bit regs */ \ 461a5e51060c93f Nicolas Pitre 2015-10-30 232 __res_lo = (n); \ 461a5e51060c93f Nicolas Pitre 2015-10-30 233 __rem = __n_lo - __res_lo * __base; \ 911918aa7ef6f86 Nicolas Pitre 2015-11-02 @234 } else if (likely(((n) >> 32) == 0)) { \ ^1da177e4c3f415 Linus Torvalds 2005-04-16 235 __rem = (uint32_t)(n) % __base; \ ^1da177e4c3f415 Linus Torvalds 2005-04-16 236 (n) = (uint32_t)(n) / __base; \ c747ce4706190ef Geert Uytterhoeven 2021-08-11 237 } else { \ ^1da177e4c3f415 Linus Torvalds 2005-04-16 @238 __rem = __div64_32(&(n), __base); \ c747ce4706190ef Geert Uytterhoeven 2021-08-11 239 } \ ^1da177e4c3f415 Linus Torvalds 2005-04-16 240 __rem; \ ^1da177e4c3f415 Linus Torvalds 2005-04-16 241 }) ^1da177e4c3f415 Linus Torvalds 2005-04-16 242 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
