Re: [PATCH/RFC 2/3] pmdomain: core: Avoid earlycon power-down

[kernel test robot <lkp@intel.com>]

Hi Geert,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on tty/tty-testing]
[also build test ERROR on tty/tty-next tty/tty-linus rafael-pm/linux-next rafael-pm/bleeding-edge geert-renesas-devel/next linus/master v6.10-rc1 next-20240523]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Geert-Uytterhoeven/earlycon-Export-clock-and-PM-Domain-info-from-FDT/20240527-204346
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link:    https://lore.kernel.org/r/7c5c0c8a10b8f755e5a75c7836b43cac63762eec.1716811405.git.geert%2Brenesas%40glider.be
patch subject: [PATCH/RFC 2/3] pmdomain: core: Avoid earlycon power-down
config: arm64-randconfig-002-20240528 (https://download.01.org/0day-ci/archive/20240528/202405281126.rl6q4ObG-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240528/202405281126.rl6q4ObG-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405281126.rl6q4ObG-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: earlycon_power_domains
   >>> referenced by core.c
   >>>               drivers/pmdomain/core.o:(of_genpd_add_provider_simple) in archive vmlinux.a
   >>> referenced by core.c
   >>>               drivers/pmdomain/core.o:(of_genpd_add_provider_simple) in archive vmlinux.a
   >>> referenced by core.c
   >>>               drivers/pmdomain/core.o:(of_genpd_add_provider_onecell) in archive vmlinux.a
   >>> referenced 1 more times
--
>> ld.lld: error: undefined symbol: earlycon_power_domains_ncells
   >>> referenced by core.c
   >>>               drivers/pmdomain/core.o:(of_genpd_add_provider_onecell) in archive vmlinux.a
   >>> referenced by core.c
   >>>               drivers/pmdomain/core.o:(of_genpd_add_provider_onecell) in archive vmlinux.a

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