drivers/input/touchscreen/sun4i-ts.c:392:34: warning: unused variable 'sun4i_ts_of_match'

From: kernel test robot
Date: Tue Feb 21 2023 - 15:06:05 EST


Hi Paul,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9e58df973d2272e6e558965e7cb32453a4b380ff
commit: c434b9f80b0923e6460031b0fd964f8b0bf3c6a6 MIPS: Kconfig: add MIPS_GENERIC_KERNEL symbol
date: 2 years, 5 months ago
config: mips-randconfig-c004-20230217 (https://download.01.org/0day-ci/archive/20230222/202302220342.AqAtycBB-lkp@xxxxxxxxx/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f)
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=c434b9f80b0923e6460031b0fd964f8b0bf3c6a6
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout c434b9f80b0923e6460031b0fd964f8b0bf3c6a6
# 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/202302220342.AqAtycBB-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/input/touchscreen/sun4i-ts.c:392:34: warning: unused variable 'sun4i_ts_of_match' [-Wunused-const-variable]
static const struct of_device_id sun4i_ts_of_match[] = {
^
1 warning generated.


vim +/sun4i_ts_of_match +392 drivers/input/touchscreen/sun4i-ts.c

f09f98d3240b7e Hans de Goede 2014-05-14 391
6decea7c5438e2 Hans de Goede 2014-05-14 @392 static const struct of_device_id sun4i_ts_of_match[] = {
6decea7c5438e2 Hans de Goede 2014-05-14 393 { .compatible = "allwinner,sun4i-a10-ts", },
91c68a7c1d92b4 Hans de Goede 2015-03-08 394 { .compatible = "allwinner,sun5i-a13-ts", },
43c0e2234021d7 Chen-Yu Tsai 2015-01-26 395 { .compatible = "allwinner,sun6i-a31-ts", },
6decea7c5438e2 Hans de Goede 2014-05-14 396 { /* sentinel */ }
6decea7c5438e2 Hans de Goede 2014-05-14 397 };
6decea7c5438e2 Hans de Goede 2014-05-14 398 MODULE_DEVICE_TABLE(of, sun4i_ts_of_match);
6decea7c5438e2 Hans de Goede 2014-05-14 399

:::::: The code at line 392 was first introduced by commit
:::::: 6decea7c5438e2955f64e2513ec9a2fac7602a7d Input: add driver for Allwinner sunxi SoC's rtp controller

:::::: TO: Hans de Goede <hdegoede@xxxxxxxxxx>
:::::: CC: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

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