csky-linux-ld: drivers/cxl/core/memdev.c:690: undefined reference to `firmware_upload_unregister'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8689f4f2ea561dd080118eeb05c0255ac9542905
commit: 9521875bbe0055805557fff0b08fd9a29d02b7bc cxl: add a firmware update mechanism using the sysfs firmware loader
date:   12 days ago
config: csky-randconfig-r016-20230708 (https://download.01.org/0day-ci/archive/20230708/202307081257.e3AeEspV-lkp@xxxxxxxxx/config)
compiler: csky-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230708/202307081257.e3AeEspV-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307081257.e3AeEspV-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   csky-linux-ld: drivers/cxl/core/memdev.o: in function `devm_cxl_remove_fw_upload':
   drivers/cxl/core/memdev.c:824: undefined reference to `firmware_upload_unregister'
   csky-linux-ld: drivers/cxl/core/memdev.o: in function `detach_memdev':
   drivers/cxl/core/memdev.c:457: undefined reference to `firmware_upload_unregister'
   csky-linux-ld: drivers/cxl/core/memdev.o: in function `cxl_memdev_setup_fw_upload':
   drivers/cxl/core/memdev.c:836: undefined reference to `firmware_upload_register'
   csky-linux-ld: drivers/cxl/core/memdev.o: in function `devm_cxl_remove_fw_upload':
   drivers/cxl/core/memdev.c:824: undefined reference to `firmware_upload_unregister'
   csky-linux-ld: drivers/cxl/core/memdev.o: in function `cxl_fw_prepare':
   drivers/cxl/core/memdev.c:690: undefined reference to `firmware_upload_register'
>> csky-linux-ld: drivers/cxl/core/memdev.c:690: undefined reference to `firmware_upload_unregister'

-- 
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