tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 382d2f9e739bc6f151c718b38537ae522ff848cd commit: 934e8bccac9542540493a4e5257d6b0db4162478 [316/7046] mtk-jpegenc: support jpegenc multi-hardware config: hexagon-randconfig-r045-20221110 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 463da45892e2d2a262277b91b96f5f8c05dc25d0) 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 # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=934e8bccac9542540493a4e5257d6b0db4162478 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 934e8bccac9542540493a4e5257d6b0db4162478 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/media/platform/mediatek/jpeg/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c:1474:38: warning: unused variable 'mt8173_jpeg_drvdata' [-Wunused-const-variable] static const struct mtk_jpeg_variant mt8173_jpeg_drvdata = { ^ >> drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c:1489:38: warning: unused variable 'mtk_jpeg_drvdata' [-Wunused-const-variable] static const struct mtk_jpeg_variant mtk_jpeg_drvdata = { ^ 2 warnings generated. vim +/mt8173_jpeg_drvdata +1474 drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b2f0d2724ba477 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Rick Chang 2016-12-14 1473 b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 @1474 static const struct mtk_jpeg_variant mt8173_jpeg_drvdata = { b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1475 .clks = mt8173_jpeg_dec_clocks, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1476 .num_clks = ARRAY_SIZE(mt8173_jpeg_dec_clocks), b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1477 .formats = mtk_jpeg_dec_formats, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1478 .num_formats = MTK_JPEG_DEC_NUM_FORMATS, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1479 .qops = &mtk_jpeg_dec_qops, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1480 .irq_handler = mtk_jpeg_dec_irq, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1481 .hw_reset = mtk_jpeg_dec_reset, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1482 .m2m_ops = &mtk_jpeg_dec_m2m_ops, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1483 .dev_name = "mtk-jpeg-dec", b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1484 .ioctl_ops = &mtk_jpeg_dec_ioctl_ops, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1485 .out_q_default_fourcc = V4L2_PIX_FMT_JPEG, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1486 .cap_q_default_fourcc = V4L2_PIX_FMT_YUV420M, b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1487 }; b4a82f5d15102a drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1488 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 @1489 static const struct mtk_jpeg_variant mtk_jpeg_drvdata = { 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1490 .clks = mtk_jpeg_clocks, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1491 .num_clks = ARRAY_SIZE(mtk_jpeg_clocks), 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1492 .formats = mtk_jpeg_enc_formats, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1493 .num_formats = MTK_JPEG_ENC_NUM_FORMATS, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1494 .qops = &mtk_jpeg_enc_qops, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1495 .irq_handler = mtk_jpeg_enc_irq, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1496 .hw_reset = mtk_jpeg_enc_reset, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1497 .m2m_ops = &mtk_jpeg_enc_m2m_ops, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1498 .dev_name = "mtk-jpeg-enc", 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1499 .ioctl_ops = &mtk_jpeg_enc_ioctl_ops, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1500 .out_q_default_fourcc = V4L2_PIX_FMT_YUYV, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1501 .cap_q_default_fourcc = V4L2_PIX_FMT_JPEG, 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1502 }; 45f13a57d81344 drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c Xia Jiang 2020-08-14 1503 :::::: The code at line 1474 was first introduced by commit :::::: b4a82f5d15102ade6134c8cc4bbc8ccef1f4a7dc media: platform: Using the variant structure to contain the varability between dec and enc :::::: TO: Xia Jiang :::::: CC: Mauro Carvalho Chehab -- 0-DAY CI Kernel Test Service https://01.org/lkp