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

From: kernel test robot
Date: Thu Jun 16 2022 - 05:49:59 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 30306f6194cadcc29c77f6ddcd416a75bf5c0232
commit: 604be85547ce4d61b89292d2f9a78c721b778c16 drm/rockchip: Add VOP2 driver
date: 6 weeks ago
config: arm-randconfig-r002-20220616 (https://download.01.org/0day-ci/archive/20220616/202206161754.ctnWSH3Q-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f0e608de27b3d568000046eebf3712ab542979d6)
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 arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# 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
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/drm/rockchip/

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/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[] = {
^
1 warning 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://01.org/lkp