drivers/staging/media/allegro-dvt/allegro-core.c:3142:34: warning: unused variable 'allegro_dt_ids'

From: kernel test robot
Date: Sat Sep 26 2020 - 22:10:51 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a1bffa48745afbb54cb4f873bba783b2ae8be042
commit: a19f228b8dd9a67e8de4ebd4eac8a4c94ec39d1a media: Kconfig: not all V4L2 platform drivers are for camera
date: 6 months ago
config: x86_64-randconfig-a001-20200927 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a83eb048cb9a75da7a07a9d5318bbdbf54885c87)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a19f228b8dd9a67e8de4ebd4eac8a4c94ec39d1a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a19f228b8dd9a67e8de4ebd4eac8a4c94ec39d1a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/staging/media/allegro-dvt/allegro-core.c:3142:34: warning: unused variable 'allegro_dt_ids' [-Wunused-const-variable]
static const struct of_device_id allegro_dt_ids[] = {
^
1 warning generated.

vim +/allegro_dt_ids +3142 drivers/staging/media/allegro-dvt/allegro-core.c

f20387dfd065693 Michael Tretter 2019-05-28 3141
f20387dfd065693 Michael Tretter 2019-05-28 @3142 static const struct of_device_id allegro_dt_ids[] = {
f20387dfd065693 Michael Tretter 2019-05-28 3143 { .compatible = "allegro,al5e-1.1" },
f20387dfd065693 Michael Tretter 2019-05-28 3144 { /* sentinel */ }
f20387dfd065693 Michael Tretter 2019-05-28 3145 };
f20387dfd065693 Michael Tretter 2019-05-28 3146

:::::: The code at line 3142 was first introduced by commit
:::::: f20387dfd065693ba7ea2788a2f893bf653c9cb8 media: allegro: add Allegro DVT video IP core driver

:::::: TO: Michael Tretter <m.tretter@xxxxxxxxxxxxxx>
:::::: CC: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>

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

Attachment: .config.gz
Description: application/gzip