[android-common:android-trusty-5.4 1/1] trusty-ipc.c:undefined reference to `trusty_dma_buf_get_ffa_tag'

[android-common:android-trusty-5.4 1/1] trusty-ipc.c:undefined reference to `trusty_dma_buf_get_ffa_tag'

[kernel test robot]

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tree:   https://android.googlesource.com/kernel/common android-trusty-5.4
head:   d556bac5a4d65c759ce3c5a7529aef568f05f650
commit: d556bac5a4d65c759ce3c5a7529aef568f05f650 [1/1] ANDROID: trusty: Support setting FF-A Tag
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-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
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android-trusty-5.4
        git checkout d556bac5a4d65c759ce3c5a7529aef568f05f650
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arm64 

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 >>):

   aarch64-linux-ld: drivers/trusty/trusty-ipc.o: in function `filp_send_ioctl.isra.0':
>> trusty-ipc.c:(.text+0x557c): undefined reference to `trusty_dma_buf_get_ffa_tag'

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

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