Re: [PATCH 3/4] net: macb: Add hardware PTP support

[kbuild test robot]

Hi Rafal,

[auto build test ERROR on net-next/master]
[also build test ERROR on v4.11-rc6 next-20170413]
[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/Rafal-Ozieblo/net-macb-Add-support-for-PTP-timestamps-in-DMA-descriptors/20170414-001330
config: arm-at91_dt_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

Note: the linux-review/Rafal-Ozieblo/net-macb-Add-support-for-PTP-timestamps-in-DMA-descriptors/20170414-001330 HEAD 3b878618e04f866388fd62f6c44752e50b15658a builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/built-in.o: In function `macb_interrupt':
>> kfifo_buf.c:(.text+0xeabd8): undefined reference to `macb_ptp_int'
>> kfifo_buf.c:(.text+0xeac6c): undefined reference to `gem_ptp_txstamp'
   drivers/built-in.o: In function `gem_rx':
>> kfifo_buf.c:(.text+0xebbd8): undefined reference to `gem_ptp_rxstamp'
>> drivers/built-in.o:(.data+0xa5e0): undefined reference to `gem_ptp_init'
>> drivers/built-in.o:(.data+0xa5e4): undefined reference to `gem_ptp_remove'
>> drivers/built-in.o:(.data+0xa5f4): undefined reference to `gem_get_hwtst'
>> drivers/built-in.o:(.data+0xa5f8): undefined reference to `gem_set_hwtst'

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