Subject: Re: [PATCH 2/2] ptp: Add a ptp clock driver for IDT ClockMatrix.

From: kbuild test robot <[email-masked]>
Date: Thu, 19 Sep 2019 08:10:10 +0800

Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3 next-20190918]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/vincent-cheng-xh-renesas-com/dt-bindings-ptp-Add-binding-doc-for-IDT-ClockMatrix-based-PTP-clock/20190919-043257
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-13) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <[email-masked]>

All errors (new ones prefixed by >>):

>> ERROR: "__divdi3" [drivers/ptp/ptp_clockmatrix.ko] undefined!

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