Hi Witold, kernel test robot noticed the following build errors: [auto build test ERROR on broonie-spi/for-next] [also build test ERROR on linus/master v6.10-rc1 next-20240529] [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/Witold-Sadowski/spi-dt-bindings-cadence-Add-Marvell-overlay-bindings-documentation-for-Cadence-XSPI/20240530-060250 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next patch link: https://lore.kernel.org/r/20240529220026.1644986-3-wsadowski%40marvell.com patch subject: [PATCH v7 2/4] spi: cadence: Add Marvell xSPI IP overlay changes config: arm-randconfig-004-20240531 (https://download.01.org/0day-ci/archive/20240531/202405310322.RIyE2GGE-lkp@xxxxxxxxx/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240531/202405310322.RIyE2GGE-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/202405310322.RIyE2GGE-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/spi/spi-cadence-xspi.c:496:15: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] *buf64++ = readq(addr); ^ drivers/spi/spi-cadence-xspi.c:499:10: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] tmp = readq(addr); ^ drivers/spi/spi-cadence-xspi.c:505:9: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] tmp = readq(addr); ^ >> drivers/spi/spi-cadence-xspi.c:520:4: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] writeq(*buf64++, addr); ^ drivers/spi/spi-cadence-xspi.c:524:4: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] writeq(tmp, addr); ^ drivers/spi/spi-cadence-xspi.c:530:3: error: call to undeclared function 'writeq'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] writeq(tmp, addr); ^ 6 errors generated. vim +/readq +496 drivers/spi/spi-cadence-xspi.c 485 486 static void mrvl_ioreadq(void __iomem *addr, void *buf, int len) 487 { 488 int i = 0; 489 int rcount = len / 8; 490 int rcount_nf = len % 8; 491 uint64_t tmp; 492 uint64_t *buf64 = (uint64_t *)buf; 493 494 if (((uint64_t)buf % 8) == 0) { 495 for (i = 0; i < rcount; i++) > 496 *buf64++ = readq(addr); 497 } else { 498 for (i = 0; i < rcount; i++) { 499 tmp = readq(addr); 500 memcpy(buf+(i*8), &tmp, 8); 501 } 502 } 503 504 if (rcount_nf != 0) { 505 tmp = readq(addr); 506 memcpy(buf+(i*8), &tmp, rcount_nf); 507 } 508 } 509 510 static void mrvl_iowriteq(void __iomem *addr, const void *buf, int len) 511 { 512 int i = 0; 513 int rcount = len / 8; 514 int rcount_nf = len % 8; 515 uint64_t tmp; 516 uint64_t *buf64 = (uint64_t *)buf; 517 518 if (((uint64_t)buf % 8) == 0) { 519 for (i = 0; i < rcount; i++) > 520 writeq(*buf64++, addr); 521 } else { 522 for (i = 0; i < rcount; i++) { 523 memcpy(&tmp, buf+(i*8), 8); 524 writeq(tmp, addr); 525 } 526 } 527 528 if (rcount_nf != 0) { 529 memcpy(&tmp, buf+(i*8), rcount_nf); 530 writeq(tmp, addr); 531 } 532 } 533 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
