Re: pci-epf-test.c:undefined reference to `config_group_init_type_name'

[Niklas Cassel]

On Wed, Feb 18, 2026 at 08:05:16AM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   e81dd54f62c753dd423d1a9b62481a1c599fb975
> commit: ffcc4850a16133d8db0f11ee6dde319201800451 PCI: endpoint: pci-epf-test: Allow overriding default BAR sizes
> date:   3 weeks ago
> config: sparc-randconfig-001-20260218 (https://download.01.org/0day-ci/archive/20260218/202602180706.VtXkmtqL-lkp@xxxxxxxxx/config)
> compiler: sparc64-linux-gcc (GCC) 14.3.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260218/202602180706.VtXkmtqL-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/202602180706.VtXkmtqL-lkp@xxxxxxxxx/
> 
> All errors (new ones prefixed by >>):
> 
>    sparc64-linux-ld: drivers/pci/endpoint/functions/pci-epf-test.o: in function `pci_epf_test_add_cfs':
> >> pci-epf-test.c:(.text+0xec): undefined reference to `config_group_init_type_name'
> 
> Kconfig warnings: (for reference only)
>    WARNING: unmet direct dependencies detected for CAN_DEV
>    Depends on [n]: NETDEVICES [=n] && CAN [=y]
>    Selected by [y]:
>    - CAN [=y] && NET [=y]
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki

Thank you for the report dear kernel test robot,

Arnd has already posted a fix for this here:
https://lore.kernel.org/linux-pci/20260211070812.4087119-1-arnd@xxxxxxxxxx/


Kind regards,
Niklas