Re: [RFC 3/6] greybus: cpc: add SPI driver

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

Hi Damien,

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

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on staging/staging-next staging/staging-linus linus/master v6.16-rc4 next-20250704]
[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/Damien-Ri-gel/greybus-move-host-controller-drivers-comment-in-Makefile/20250705-090138
base:   staging/staging-testing
patch link:    https://lore.kernel.org/r/20250705004036.3828-4-damien.riegel%40silabs.com
patch subject: [RFC 3/6] greybus: cpc: add SPI driver
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20250706/202507060806.1rBpnamP-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 61529d9e36fa86782a2458e6bdeedf7f376ef4b5)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250706/202507060806.1rBpnamP-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/202507060806.1rBpnamP-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/greybus/cpc/spi.c:566:35: warning: unused variable 'cpc_spi_ids' [-Wunused-const-variable]
     566 | static const struct spi_device_id cpc_spi_ids[] = {
         |                                   ^~~~~~~~~~~
   1 warning generated.


vim +/cpc_spi_ids +566 drivers/greybus/cpc/spi.c

   565	
 > 566	static const struct spi_device_id cpc_spi_ids[] = {
   567		{ .name = "cpc-spi" },
   568		{},
   569	};
   570	MODULE_DEVICE_TABLE(spi, cpc_spi_ids);
   571	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki