Hi Dzmitry, kernel test robot noticed the following build errors: [auto build test ERROR on 5acd9952f95fb4b7da6d09a3be39195a80845eb6] url: https://github.com/intel-lab-lkp/linux/commits/Dzmitry-Sankouski/power-supply-add-undervoltage-health-status-property/20240913-231027 base: 5acd9952f95fb4b7da6d09a3be39195a80845eb6 patch link: https://lore.kernel.org/r/20240913-starqltechn_integration_upstream-v4-3-2d2efd5c5877%40gmail.com patch subject: [PATCH v4 03/27] gcc-sdm845: Add general purpose clock ops config: arm-randconfig-001-20240914 (https://download.01.org/0day-ci/archive/20240914/202409141429.Wv6WJPEQ-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409141429.Wv6WJPEQ-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/202409141429.Wv6WJPEQ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: drivers/clk/qcom/clk-rcg2.o: in function `clk_rcg2_calc_mnd': >> drivers/clk/qcom/clk-rcg2.c:437:(.text.clk_rcg2_calc_mnd+0x26): undefined reference to `__aeabi_uldivmod' >> arm-linux-gnueabi-ld: drivers/clk/qcom/clk-rcg2.c:438:(.text.clk_rcg2_calc_mnd+0x38): undefined reference to `__aeabi_uldivmod' vim +437 drivers/clk/qcom/clk-rcg2.c 427 428 static void clk_rcg2_calc_mnd(u64 parent_rate, u64 rate, struct freq_tbl *f, 429 unsigned int mnd_max, unsigned int hid_max) 430 { 431 int i = 2, count = 0; 432 unsigned int pre_div_pure = 1; 433 unsigned long rates_gcd, scaled_parent_rate; 434 u16 m, n = 1, n_candidate = 1, n_max; 435 436 rates_gcd = gcd(parent_rate, rate); > 437 m = rate / rates_gcd; > 438 scaled_parent_rate = parent_rate / rates_gcd; 439 while (scaled_parent_rate > (mnd_max + m) * hid_max) { 440 // we're exceeding divisor's range, trying lower scale. 441 if (m > 1) { 442 m--; 443 scaled_parent_rate = mult_frac(scaled_parent_rate, m, (m + 1)); 444 } else { 445 f->n = mnd_max + m; 446 f->pre_div = hid_max; 447 f->m = m; 448 } 449 } 450 451 n_max = m + mnd_max; 452 453 while (scaled_parent_rate > 1) { 454 while (scaled_parent_rate % i == 0) { 455 n_candidate *= i; 456 if (n_candidate < n_max) 457 n = n_candidate; 458 else if (pre_div_pure * i < hid_max) 459 pre_div_pure *= i; 460 else 461 clk_rcg2_split_div(i, &pre_div_pure, &n, hid_max); 462 463 scaled_parent_rate /= i; 464 } 465 i++; 466 count++; 467 } 468 469 f->m = m; 470 f->n = n; 471 f->pre_div = pre_div_pure > 1 ? pre_div_pure : 0; 472 } 473 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki