drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c:3126:34: warning: unused variable 'samsung_jpeg_match'
From: kernel test robot
Date: Tue Aug 23 2022 - 13:46:15 EST
Hi Mauro,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 072e51356cd5a4a1c12c1020bc054c99b98333df
commit: f4104b7851a8d8b9a70899dcbecdb393eb16cd8a media: platform: rename s5p-jpeg/ to samsung/s5p-jpeg/
date: 5 months ago
config: hexagon-buildonly-randconfig-r005-20220823 (https://download.01.org/0day-ci/archive/20220823/202208232313.mMyA7Adu-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project b04d01c009d7f66bcca9138d2ce40999eedf104d)
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/torvalds/linux.git/commit/?id=f4104b7851a8d8b9a70899dcbecdb393eb16cd8a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout f4104b7851a8d8b9a70899dcbecdb393eb16cd8a
# 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/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All warnings (new ones prefixed by >>):
>> drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c:3126:34: warning: unused variable 'samsung_jpeg_match' [-Wunused-const-variable]
static const struct of_device_id samsung_jpeg_match[] = {
^
1 warning generated.
vim +/samsung_jpeg_match +3126 drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c
6c96dbbc2aa9f5 drivers/media/platform/s5p-jpeg/jpeg-core.c Andrzej Pietrasiewicz 2015-09-18 3125
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 @3126 static const struct of_device_id samsung_jpeg_match[] = {
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3127 {
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3128 .compatible = "samsung,s5pv210-jpeg",
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3129 .data = &s5p_jpeg_drvdata,
3246fdaa0ac2d9 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2014-07-11 3130 }, {
3246fdaa0ac2d9 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2014-07-11 3131 .compatible = "samsung,exynos3250-jpeg",
3246fdaa0ac2d9 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2014-07-11 3132 .data = &exynos3250_jpeg_drvdata,
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3133 }, {
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3134 .compatible = "samsung,exynos4210-jpeg",
3246fdaa0ac2d9 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2014-07-11 3135 .data = &exynos4_jpeg_drvdata,
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3136 }, {
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3137 .compatible = "samsung,exynos4212-jpeg",
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3138 .data = &exynos4_jpeg_drvdata,
7c15fd4bf3d367 drivers/media/platform/s5p-jpeg/jpeg-core.c Andrzej Pietrasiewicz 2015-03-09 3139 }, {
7c15fd4bf3d367 drivers/media/platform/s5p-jpeg/jpeg-core.c Andrzej Pietrasiewicz 2015-03-09 3140 .compatible = "samsung,exynos5420-jpeg",
7c15fd4bf3d367 drivers/media/platform/s5p-jpeg/jpeg-core.c Andrzej Pietrasiewicz 2015-03-09 3141 .data = &exynos5420_jpeg_drvdata,
6c96dbbc2aa9f5 drivers/media/platform/s5p-jpeg/jpeg-core.c Andrzej Pietrasiewicz 2015-09-18 3142 }, {
6c96dbbc2aa9f5 drivers/media/platform/s5p-jpeg/jpeg-core.c Andrzej Pietrasiewicz 2015-09-18 3143 .compatible = "samsung,exynos5433-jpeg",
6c96dbbc2aa9f5 drivers/media/platform/s5p-jpeg/jpeg-core.c Andrzej Pietrasiewicz 2015-09-18 3144 .data = &exynos5433_jpeg_drvdata,
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3145 },
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3146 {},
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3147 };
80529ae5c13725 drivers/media/platform/s5p-jpeg/jpeg-core.c Jacek Anaszewski 2013-12-18 3148
:::::: The code at line 3126 was first introduced by commit
:::::: 80529ae5c13725e12ba0377e29b2160794ba6b25 [media] s5p-jpeg: JPEG codec
:::::: TO: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
:::::: CC: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx>
--
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