tree:   https://github.com/ambarus/linux-0day spi-nor/next-id-collisions-v2
head:   b4bf25c4aeb0e9be35b688a2eaa4e9b902dff4f4
commit: 1db04a902d5710228c3172ac7113a78857a3695f [20/27] mtd: spi-nor: Introduce spi_nor_set_mtd_info()
config: x86_64-randconfig-s021-20210723 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/ambarus/linux-0day/commit/1db04a902d5710228c3172ac7113a78857a3695f
        git remote add ambarus https://github.com/ambarus/linux-0day
        git fetch --no-tags ambarus spi-nor/next-id-collisions-v2
        git checkout 1db04a902d5710228c3172ac7113a78857a3695f
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/mtd/spi-nor/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/mtd/spi-nor/core.c:3126:6: sparse: sparse: symbol 'spi_nor_set_mtd_info' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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