netcp_ethss.c:undefined reference to `cpts_rx_timestamp'

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4334f30ebf395b204c6cbeabf371a5a998d6ba7c
commit: b6d49cab44b567b3e0a5544b3d61e516a7355fad net: Make PTP-specific drivers depend on PTP_1588_CLOCK
date:   7 days ago
config: arm-keystone_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout b6d49cab44b567b3e0a5544b3d61e516a7355fad
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/net/ethernet/ti/netcp_ethss.o: in function `gbe_rxhook':
>> netcp_ethss.c:(.text+0x58c): undefined reference to `cpts_rx_timestamp'
   arm-linux-gnueabi-ld: drivers/net/ethernet/ti/netcp_ethss.o: in function `gbe_probe':
>> netcp_ethss.c:(.text+0x1570): undefined reference to `cpts_create'
   arm-linux-gnueabi-ld: drivers/net/ethernet/ti/netcp_ethss.o: in function `gbe_remove':
>> netcp_ethss.c:(.text+0x1f48): undefined reference to `cpts_release'
   arm-linux-gnueabi-ld: drivers/net/ethernet/ti/netcp_ethss.o: in function `gbe_close':
>> netcp_ethss.c:(.text+0x26a0): undefined reference to `cpts_unregister'
   arm-linux-gnueabi-ld: drivers/net/ethernet/ti/netcp_ethss.o: in function `gbe_open':
>> netcp_ethss.c:(.text+0x2968): undefined reference to `cpts_register'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip