[tobetter-linux:odroid-5.9.y 52/71] ERROR: modpost: "phys_mem_access_prot" undefined!

[tobetter-linux:odroid-5.9.y 52/71] ERROR: modpost: "phys_mem_access_prot" undefined!

[kernel test robot]

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tree:   https://github.com/tobetter/linux odroid-5.9.y
head:   2e44fdfeec714a226a3059ba845123c57d955ba8
commit: eaeee72871983a731ad2bd7aa5b558e1e583b556 [52/71] ODROID-XU4: char: exynos: add /dev/gpiomem device for rootless user GPIO access
config: x86_64-randconfig-s021-20201012 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-rc1-dirty
        # https://github.com/tobetter/linux/commit/eaeee72871983a731ad2bd7aa5b558e1e583b556
        git remote add tobetter-linux https://github.com/tobetter/linux
        git fetch --no-tags tobetter-linux odroid-5.9.y
        git checkout eaeee72871983a731ad2bd7aa5b558e1e583b556
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

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 >>, old ones prefixed by <<):

>> ERROR: modpost: "phys_mem_access_prot" [drivers/char/exynos-gpiomem.ko] undefined!

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

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[tobetter-linux:odroid-5.9.y 52/71] ERROR: modpost: "phys_mem_access_prot" undefined!

[kernel test robot]

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tree:   https://github.com/tobetter/linux odroid-5.9.y
head:   2189c37332c364084ef11d5aaeb2d79860f60715
commit: a8eb49492d60eaedaab55a246456a0146c0a2910 [52/71] ODROID-XU4: char: exynos: add /dev/gpiomem device for rootless user GPIO access
config: x86_64-randconfig-a014-20201008 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 4d1d8ae7100ec3c7e1709addb7b3ec6f9ad0b44f)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/tobetter/linux/commit/a8eb49492d60eaedaab55a246456a0146c0a2910
        git remote add tobetter-linux https://github.com/tobetter/linux
        git fetch --no-tags tobetter-linux odroid-5.9.y
        git checkout a8eb49492d60eaedaab55a246456a0146c0a2910
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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 >>, old ones prefixed by <<):

>> ERROR: modpost: "phys_mem_access_prot" [drivers/char/exynos-gpiomem.ko] undefined!

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

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