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Date:   Fri, 17 Jul 2020 23:11:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     Chunyan Zhang <zhang.lyra@...il.com>,
        Sebastian Reichel <sre@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <chunyan.zhang@...soc.com>,
        Chen Yongzhi <yongzhi.chen@...soc.com>
Subject: Re: [PATCH] power: supply: sc27xx: prevent adc * 1000 from overflow

Hi Chunyan,

I love your patch! Yet something to improve:

[auto build test ERROR on power-supply/for-next]
[also build test ERROR on linux/master linus/master v5.8-rc5 next-20200716]
[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/Chunyan-Zhang/power-supply-sc27xx-prevent-adc-1000-from-overflow/20200717-133835
base:   https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next
config: m68k-allyesconfig (attached as .config)
compiler: m68k-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
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

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 >>):

   m68k-linux-ld: drivers/power/supply/sc27xx_fuel_gauge.o: in function `sc27xx_fgu_hw_init':
   sc27xx_fuel_gauge.c:(.text+0x13ec): undefined reference to `__divdi3'
   m68k-linux-ld: drivers/power/supply/sc27xx_fuel_gauge.o: in function `sc27xx_fgu_get_vbat_vol':
   sc27xx_fuel_gauge.c:(.text+0x1d8): undefined reference to `__divdi3'
>> m68k-linux-ld: sc27xx_fuel_gauge.c:(.text+0x1f4): undefined reference to `__divdi3'
   m68k-linux-ld: drivers/power/supply/sc27xx_fuel_gauge.o: in function `sc27xx_fgu_get_current':
   sc27xx_fuel_gauge.c:(.text+0x2b8): undefined reference to `__divdi3'
   m68k-linux-ld: sc27xx_fuel_gauge.c:(.text+0x2d4): undefined reference to `__divdi3'
   m68k-linux-ld: drivers/power/supply/sc27xx_fuel_gauge.o:sc27xx_fuel_gauge.c:(.text+0x84e): more undefined references to `__divdi3' follow

---
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" (57516 bytes)

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