[stffrdhrn:starfive-bad-dcache-flush 9/39] ERROR: modpost: "__udivdi3" [drivers/pwm/pwm-sifive-ptc.ko] undefined!

[stffrdhrn:starfive-bad-dcache-flush 9/39] ERROR: modpost: "__udivdi3" [drivers/pwm/pwm-sifive-ptc.ko] undefined!

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1324 bytes --]

tree:   https://github.com/stffrdhrn/linux.git starfive-bad-dcache-flush
head:   a5c948a9cc2b8944f00056c067fb7bde19b34843
commit: 76d60389d04dfd86f4a655e3b1e5b2d4dd4cc896 [9/39] drivers/pwm: Add SiFive PWM PTC driver
config: microblaze-randconfig-c003-20210522 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
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/stffrdhrn/linux/commit/76d60389d04dfd86f4a655e3b1e5b2d4dd4cc896
        git remote add stffrdhrn https://github.com/stffrdhrn/linux.git
        git fetch --no-tags stffrdhrn starfive-bad-dcache-flush
        git checkout 76d60389d04dfd86f4a655e3b1e5b2d4dd4cc896
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "__udivdi3" [drivers/pwm/pwm-sifive-ptc.ko] undefined!

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 17411 bytes --]