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Date:   Wed, 27 Apr 2022 16:31:00 +0800
From:   kernel test robot <lkp@intel.com>
To:     Min Li <min.li.xe@renesas.com>, richardcochran@gmail.com,
        lee.jones@linaro.org
Cc:     kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
        netdev@vger.kernel.org, Min Li <min.li.xe@renesas.com>
Subject: Re: [PATCH net 1/2] ptp: ptp_clockmatrix: Add PTP_CLK_REQ_EXTTS
 support
Message-ID: <202204271653.N6Y5H0EO-lkp@intel.com>
References: <1651001574-32457-1-git-send-email-min.li.xe@renesas.com>
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In-Reply-To: <1651001574-32457-1-git-send-email-min.li.xe@renesas.com>
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Hi Min,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Min-Li/ptp-ptp_clockmatrix-Add-PTP_CLK_REQ_EXTTS-support/20220427-033506
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git acb16b395c3f3d7502443e0c799c2b42df645642
config: i386-randconfig-a013-20220425 (https://download.01.org/0day-ci/archive/20220427/202204271653.N6Y5H0EO-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/afadc4edd1bf64b40cb61b38dedf67354baeb147
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Min-Li/ptp-ptp_clockmatrix-Add-PTP_CLK_REQ_EXTTS-support/20220427-033506
        git checkout afadc4edd1bf64b40cb61b38dedf67354baeb147
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   ld: drivers/ptp/ptp_clockmatrix.o: in function `idtcm_enable_channel':
>> ptp_clockmatrix.c:(.text+0x2394): undefined reference to `__udivdi3'
>> ld: ptp_clockmatrix.c:(.text+0x23b0): undefined reference to `__udivdi3'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp