[chrome-os:chromeos-5.10 8/147] drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c:106:14: warning: cast to smaller integer type 'enum mtk_vdec_hw_id' from 'const void *'

Saturday, 20 November 2021

tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10
head:   ed87340a6d1e040dd01d1d1ae1a12f1a7e504559
commit: 792f7cde625bbc945e4b69190cbf4b0551f79878 [8/147] CHROMIUM: media: mtk-vcodec: Use
component framework to manage each hardware information
config: x86_64-buildonly-randconfig-r005-20211118 (attached as .config)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add chrome-os
https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.10
        git checkout 792f7cde625bbc945e4b69190cbf4b0551f79878
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com&gt;

All warnings (new ones prefixed by >>):

...
> drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c:106:14:
warning: cast to smaller integer type 'enum mtk_vdec_hw_id' from 'const void
*' [-Wvoid-pointer-to-enum-cast]                    comp_idx = (enum
mtk_vdec_hw_id)of_id->data;
                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.

vim +106 drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c

    76	
    77	static struct component_match *mtk_vcodec_match_add(
    78		struct mtk_vcodec_dev *vdec_dev)
    79	{
    80		struct platform_device *pdev = vdec_dev->plat_dev;
    81		struct component_match *match = NULL;
    82		int i;
    83	
    84		for (i = 0; i < ARRAY_SIZE(mtk_vdec_drv_ids); i++) {
    85			struct device_node *comp_node;
    86			enum mtk_vdec_hw_id comp_idx;
    87			const struct of_device_id *of_id;
    88	
    89			comp_node = of_find_compatible_node(NULL, NULL,
    90				mtk_vdec_drv_ids[i].compatible);
    91			if (!comp_node)
    92				continue;
    93	
    94			if (!of_device_is_available(comp_node)) {
    95				of_node_put(comp_node);
    96				dev_err(&pdev->dev, "Fail to get MMSYS node\n");
    97				continue;
    98			}
    99	
   100			of_id = of_match_node(mtk_vdec_drv_ids, comp_node);
   101			if (!of_id) {
   102				dev_err(&pdev->dev, "Failed to get match node\n");
   103				return ERR_PTR(-EINVAL);
   104			}
   105	
...
 106			comp_idx = (enum mtk_vdec_hw_id)of_id->data;   
107			mtk_v4l2_debug(4, "Get
component:hw_id(%d),vdec_dev(0x%p),comp_node(0x%p)\n",
   108				comp_idx, vdec_dev, comp_node);
   109			vdec_dev->component_node[comp_idx] = comp_node;
   110	
   111			component_match_add_release(&pdev->dev, &match, mtk_vdec_release_of,
   112				mtk_vdec_compare_of, comp_node);
   113		}
   114	
   115		return match;
   116	}
   117	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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