undefined reference to `do_map_probe'

kbuild test robot <fengguang.wu@xxxxxxxxx> · Mon, 28 Sep 2015 12:15:05 +0800

Hi Hans,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   9ffecb10283508260936b96022d4ee43a7798b4c
commit: 85756a069c55e0315ac5990806899cfb607b987f [media] cobalt: add new driver
date:   4 months ago
config: x86_64-randconfig-r0-09271629 (attached as .config)
reproduce:
  git checkout 85756a069c55e0315ac5990806899cfb607b987f
  # save the attached .config to linux build tree
  make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   drivers/built-in.o: In function `cobalt_flash_probe':
>> (.text+0x352378): undefined reference to `do_map_probe'
   drivers/built-in.o: In function `cobalt_flash_probe':
>> (.text+0x3523c7): undefined reference to `mtd_device_parse_register'
   drivers/built-in.o: In function `cobalt_flash_remove':
>> (.text+0x3523eb): undefined reference to `mtd_device_unregister'
   drivers/built-in.o: In function `cobalt_flash_remove':
>> (.text+0x3523f7): undefined reference to `map_destroy'

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