drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c:1474:38: warning: unused variable 'mt8173_jpeg_drvdata'
From: kernel test robot
Date: Thu Feb 09 2023 - 05:26:07 EST
Hi kyrie,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0983f6bf2bfc0789b51ddf7315f644ff4da50acb
commit: 934e8bccac9542540493a4e5257d6b0db4162478 mtk-jpegenc: support jpegenc multi-hardware
date: 4 months ago
config: mips-randconfig-r005-20230209 (https://download.01.org/0day-ci/archive/20230209/202302091806.7NmqzYWj-lkp@xxxxxxxxx/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db0e6591612b53910a1b366863348bdb9d7d2fb1)
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
# install mips cross compiling tool for clang build
# apt-get install binutils-mipsel-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=934e8bccac9542540493a4e5257d6b0db4162478
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 934e8bccac9542540493a4e5257d6b0db4162478
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/media/platform/mediatek/jpeg/ drivers/soc/renesas/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202302091806.7NmqzYWj-lkp@xxxxxxxxx
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 <xia.jiang@xxxxxxxxxxxx>
:::::: CC: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
--
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https://github.com/intel/lkp-tests