[PATCH v2 01/11] drm/tests: helpers: Switch to kunit actions

[Maxime Ripard]

Hi David, Brendan,

On Fri, Jul 21, 2023 at 01:14:41AM +0800, kernel test robot wrote:
> Hi Maxime,
> 
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on c58c49dd89324b18a812762a2bfa5a0458e4f252]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Maxime-Ripard/drm-tests-helpers-Switch-to-kunit-actions/20230720-191901
> base:   c58c49dd89324b18a812762a2bfa5a0458e4f252
> patch link:    https://lore.kernel.org/r/20230720-kms-kunit-actions-rework-v2-1-175017bd56ab%40kernel.org
> patch subject: [PATCH v2 01/11] drm/tests: helpers: Switch to kunit actions
> config: arm64-randconfig-r022-20230720 (https://download.01.org/0day-ci/archive/20230721/202307210148.7gWzLOtn-lkp@intel.com/config)
> compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
> reproduce: (https://download.01.org/0day-ci/archive/20230721/202307210148.7gWzLOtn-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 at intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202307210148.7gWzLOtn-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
> >> drivers/gpu/drm/tests/drm_kunit_helpers.c:53:6: warning: cast from 'void (*)(struct platform_driver *)' to 'kunit_action_t *' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
>       53 |                                         (kunit_action_t *)platform_driver_unregister,
>          |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

I missed that warning before, and I don't think we can address that
easily. Should we give up on kunit_action_t entirely?

Maxime
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