linux-kernel - Re: [PATCH v2 2/2] pwm: Add clock based PWM output driver

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Date:   Wed, 15 Dec 2021 01:03:18 +0800
From:   kernel test robot <lkp@...el.com>
To:     Nikita Travkin <nikita@...n.ru>, thierry.reding@...il.com,
        lee.jones@...aro.org
Cc:     kbuild-all@...ts.01.org, u.kleine-koenig@...gutronix.de,
        robh+dt@...nel.org, sboyd@...nel.org, linus.walleij@...aro.org,
        masneyb@...tation.org, linux-pwm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] pwm: Add clock based PWM output driver

Hi Nikita,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on thierry-reding-pwm/for-next]
[also build test ERROR on v5.16-rc5 next-20211213]
[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/Nikita-Travkin/Clock-based-PWM-output-driver/20211213-230628
base:   https://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm.git for-next
config: riscv-randconfig-c024-20211214 (https://download.01.org/0day-ci/archive/20211215/202112150018.zRKkwUhX-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 11.2.0
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/454624747f4637529777274ae1b5ab7af33fd130
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Nikita-Travkin/Clock-based-PWM-output-driver/20211213-230628
        git checkout 454624747f4637529777274ae1b5ab7af33fd130
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   riscv32-linux-ld: drivers/pwm/pwm-clk.o: in function `.L18':
>> pwm-clk.c:(.text+0x86): undefined reference to `__udivdi3'

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