linux-kernel - Re: [PATCH v8 09/14] iio: afe: rescale: fix accuracy for small fractional scales

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Date:   Sat, 21 Aug 2021 07:37:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Liam Beguin <liambeguin@...il.com>, peda@...ntia.se,
        jic23@...nel.org, lars@...afoo.de
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org
Subject: Re: [PATCH v8 09/14] iio: afe: rescale: fix accuracy for small
 fractional scales

Hi Liam,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on 6cbb3aa0f9d5d23221df787cf36f74d3866fdb78]

url:    https://github.com/0day-ci/linux/commits/Liam-Beguin/iio-afe-add-temperature-rescaling-support/20210821-032112
base:   6cbb3aa0f9d5d23221df787cf36f74d3866fdb78
config: nds32-buildonly-randconfig-r005-20210821 (attached as .config)
compiler: nds32le-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/e5c2e1505fa3f8cf9fe6d3a21f3a5c585efc6dce
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Liam-Beguin/iio-afe-add-temperature-rescaling-support/20210821-032112
        git checkout e5c2e1505fa3f8cf9fe6d3a21f3a5c585efc6dce
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 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 >>):

   nds32le-linux-ld: drivers/iio/afe/iio-rescale.o: in function `rescale_process_scale':
>> iio-rescale.c:(.text+0x5f4): undefined reference to `__divdi3'
>> nds32le-linux-ld: iio-rescale.c:(.text+0x5f8): undefined reference to `__divdi3'

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

Download attachment ".config.gz" of type "application/gzip" (17094 bytes)