drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:248:34: warning: unused variable 'vop2_dt_match'

From: kernel test robot
Date: Fri Mar 17 2023 - 10:32:18 EST


Hi Andy,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 38e04b3e4240a6d8fb43129ebad41608db64bc6f
commit: 604be85547ce4d61b89292d2f9a78c721b778c16 drm/rockchip: Add VOP2 driver
date: 11 months ago
config: s390-randconfig-c005-20230315 (https://download.01.org/0day-ci/archive/20230317/202303172222.InRnZuTT-lkp@xxxxxxxxx/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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 s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=604be85547ce4d61b89292d2f9a78c721b778c16
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 604be85547ce4d61b89292d2f9a78c721b778c16
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross

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/202303172222.InRnZuTT-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/rockchip/rockchip_vop2_reg.c:248:34: warning: unused variable 'vop2_dt_match' [-Wunused-const-variable]
static const struct of_device_id vop2_dt_match[] = {
^
13 warnings generated.


vim +/vop2_dt_match +248 drivers/gpu/drm/rockchip/rockchip_vop2_reg.c

247
> 248 static const struct of_device_id vop2_dt_match[] = {
249 {
250 .compatible = "rockchip,rk3566-vop",
251 .data = &rk3566_vop,
252 }, {
253 .compatible = "rockchip,rk3568-vop",
254 .data = &rk3568_vop,
255 }, {
256 },
257 };
258 MODULE_DEVICE_TABLE(of, vop2_dt_match);
259

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests