Hi Bjorn, I love your patch! Yet something to improve: [auto build test ERROR on pavel-linux-leds/for-next] [also build test ERROR on robh/for-next v5.9-rc7 next-20200928] [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] url: https://github.com/0day-ci/linux/commits/Bjorn-Andersson/Qualcomm-Light-Pulse-Generator/20200929-111512 base: git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git for-next config: microblaze-randconfig-r004-20200929 (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/0day-ci/linux/commit/5937b69205a78e5ed73d8e8e279eccaad245b1eb git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Bjorn-Andersson/Qualcomm-Light-Pulse-Generator/20200929-111512 git checkout 5937b69205a78e5ed73d8e8e279eccaad245b1eb # 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@xxxxxxxxx> All errors (new ones prefixed by >>): microblaze-linux-ld: drivers/leds/leds-qcom-lpg.o: in function `lpg_pwm_apply': >> drivers/leds/leds-qcom-lpg.c:814: undefined reference to `__udivdi3' >> microblaze-linux-ld: drivers/leds/leds-qcom-lpg.c:815: undefined reference to `__udivdi3' vim +814 drivers/leds/leds-qcom-lpg.c 807 808 static int lpg_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, 809 const struct pwm_state *state) 810 { 811 struct lpg *lpg = container_of(chip, struct lpg, pwm); 812 struct lpg_channel *chan = &lpg->channels[pwm->hwpwm]; 813 > 814 lpg_calc_freq(chan, state->period / NSEC_PER_USEC); > 815 lpg_calc_duty(chan, state->duty_cycle / NSEC_PER_USEC); 816 chan->enabled = state->enabled; 817 818 lpg_apply(chan); 819 820 triled_set(lpg, chan->triled_mask, chan->enabled); 821 822 return 0; 823 } 824 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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