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Subjectdrivers/media/platform/mediatek/mdp/mtk_mdp_core.c:31:34: warning: 'mtk_mdp_comp_dt_ids' defined but not used
Hi Mauro,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e71e60cd74df9386c3f684c54888f2367050b831
commit: 2023a99811110aebba9eee4aa09ef7bd21a8a249 media: platform: rename mediatek/mtk-jpeg/ to mediatek/jpeg/
date: 3 months ago
config: x86_64-buildonly-randconfig-r011-20220606 (https://download.01.org/0day-ci/archive/20220607/202206071113.eXtQ7Qe1-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-1) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2023a99811110aebba9eee4aa09ef7bd21a8a249
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2023a99811110aebba9eee4aa09ef7bd21a8a249
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/media/platform/mediatek/mdp/mtk_mdp_core.c:31:34: warning: 'mtk_mdp_comp_dt_ids' defined but not used [-Wunused-const-variable=]
31 | static const struct of_device_id mtk_mdp_comp_dt_ids[] = {
| ^~~~~~~~~~~~~~~~~~~


vim +/mtk_mdp_comp_dt_ids +31 drivers/media/platform/mediatek/mdp/mtk_mdp_core.c

c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 30
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 @31 static const struct of_device_id mtk_mdp_comp_dt_ids[] = {
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 32 {
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 33 .compatible = "mediatek,mt8173-mdp-rdma",
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 34 .data = (void *)MTK_MDP_RDMA
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 35 }, {
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 36 .compatible = "mediatek,mt8173-mdp-rsz",
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 37 .data = (void *)MTK_MDP_RSZ
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 38 }, {
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 39 .compatible = "mediatek,mt8173-mdp-wdma",
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 40 .data = (void *)MTK_MDP_WDMA
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 41 }, {
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 42 .compatible = "mediatek,mt8173-mdp-wrot",
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 43 .data = (void *)MTK_MDP_WROT
55d80506c5f7c3 drivers/media/platform/mtk-mdp/mtk_mdp_core.c Vincent Stehlé 2016-10-27 44 },
55d80506c5f7c3 drivers/media/platform/mtk-mdp/mtk_mdp_core.c Vincent Stehlé 2016-10-27 45 { },
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 46 };
c8eb2d7e8202fd drivers/media/platform/mtk-mdp/mtk_mdp_core.c Minghsiu Tsai 2016-09-08 47

:::::: The code at line 31 was first introduced by commit
:::::: c8eb2d7e8202fd9cb912f5d33cc34ede66dcb24a [media] media: Add Mediatek MDP Driver

:::::: TO: Minghsiu Tsai <minghsiu.tsai@mediatek.com>
:::::: CC: Mauro Carvalho Chehab <mchehab@s-opensource.com>

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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