Re: [PATCH 1/6] fake-dma: add fake dma engine driver

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

Hi Luis,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.15-rc7 next-20250521]
[cannot apply to vkoul-dmaengine/next shuah-kselftest/next shuah-kselftest/fixes sysctl/sysctl-next]
[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/Luis-Chamberlain/fake-dma-add-fake-dma-engine-driver/20250521-064035
base:   linus/master
patch link:    https://lore.kernel.org/r/20250520223913.3407136-2-mcgrof%40kernel.org
patch subject: [PATCH 1/6] fake-dma: add fake dma engine driver
config: alpha-randconfig-r113-20250522 (https://download.01.org/0day-ci/archive/20250522/202505220711.3GeHexsR-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 12.4.0
reproduce: (https://download.01.org/0day-ci/archive/20250522/202505220711.3GeHexsR-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/202505220711.3GeHexsR-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/dma/fake-dma.c:69:24: sparse: sparse: symbol 'single_fake_dma' was not declared. Should it be static?

vim +/single_fake_dma +69 drivers/dma/fake-dma.c

    68	
  > 69	struct fake_dma_device *single_fake_dma;
    70	

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