linux-kernel - Re: [PATCH] iio: light: add driver for bh1730fvc chips

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Message-ID: <201802231535.ER0ua4Vk%fengguang.wu@intel.com>
Date:   Fri, 23 Feb 2018 15:56:50 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Pierre Bourdon <delroth@...gle.com>
Cc:     kbuild-all@...org, Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Pierre Bourdon <delroth@...gle.com>, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: light: add driver for bh1730fvc chips

Hi Pierre,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on iio/togreg]
[also build test ERROR on v4.16-rc2 next-20180222]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Pierre-Bourdon/iio-light-add-driver-for-bh1730fvc-chips/20180222-064336
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/iio/light/bh1730.o: In function `bh1730_read_raw':
>> bh1730.c:(.text+0x31d): undefined reference to `__udivdi3'
   bh1730.c:(.text+0x37d): undefined reference to `__udivdi3'
   bh1730.c:(.text+0x38a): undefined reference to `__udivdi3'
>> bh1730.c:(.text+0x3a4): undefined reference to `__divdi3'
>> bh1730.c:(.text+0x3b8): undefined reference to `__moddi3'

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0-DAY kernel test infrastructure                Open Source Technology Center
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