[arm-platforms:kvm-arm64/ptp 7/7] undefined reference to `arm_smccc_1_1_get_conduit'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/ptp
head:   fecd9f021d3220b48d00597bd8e04e4fa6fd9dee
commit: fecd9f021d3220b48d00597bd8e04e4fa6fd9dee [7/7] ptp: arm/arm64: Enable ptp_kvm for arm/arm64
config: arm-omap2plus_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?id=fecd9f021d3220b48d00597bd8e04e4fa6fd9dee
        git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
        git fetch --no-tags arm-platforms kvm-arm64/ptp
        git checkout fecd9f021d3220b48d00597bd8e04e4fa6fd9dee
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: drivers/clocksource/arm_arch_timer.o: in function `kvm_arch_ptp_get_crosststamp':
>> (.text+0x2c8): undefined reference to `arm_smccc_1_1_get_conduit'

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