Hi Eric,

I love your patch! Yet something to improve:

[auto build test ERROR on f8394f232b1eab649ce2df5c5f15b0e528c92091]

url:    https://github.com/0day-ci/linux/commits/Eric-Biggers/eMMC-inline-encryption-support/20201113-034356
base:    f8394f232b1eab649ce2df5c5f15b0e528c92091
config: parisc-allyesconfig (attached as .config)
compiler: hppa-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
        # https://github.com/0day-ci/linux/commit/d1b20af644c3648a52d1dc7be21d7bd21fc5d854
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Eric-Biggers/eMMC-inline-encryption-support/20201113-034356
        git checkout d1b20af644c3648a52d1dc7be21d7bd21fc5d854
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc 

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 >>):

   hppa-linux-ld: drivers/firmware/qcom_scm-smc.o: in function `__scm_smc_do_quirk':
>> (.text+0x7c): undefined reference to `__arm_smccc_smc'
   hppa-linux-ld: drivers/firmware/qcom_scm-legacy.o: in function `scm_legacy_call':
   (.text+0x1a4): undefined reference to `__arm_smccc_smc'
   hppa-linux-ld: drivers/firmware/qcom_scm-legacy.o: in function `scm_legacy_call_atomic':
   (.text+0x434): undefined reference to `__arm_smccc_smc'

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