[PATCH] phram: Allow the user to set the erase page size.

[kernel test robot]

Hi Guohua,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.10-rc5 next-20201123]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Guohua-Zhong/phram-Allow-the-user-to-set-the-erase-page-size/20201124-141421
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git d5beb3140f91b1c8a3d41b14d729aefa4dcc58bc
config: microblaze-randconfig-r012-20201124 (attached as .config)
compiler: microblaze-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/6ec7a653a663b6a638f767aa844a685fdd1463d2
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Guohua-Zhong/phram-Allow-the-user-to-set-the-erase-page-size/20201124-141421
        git checkout 6ec7a653a663b6a638f767aa844a685fdd1463d2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 

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 >>, old ones prefixed by <<):

>> ERROR: modpost: "__umoddi3" [drivers/mtd/devices/phram.ko] undefined!

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