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Subjectdrivers/rtc/rtc-meson.c:388:34: warning: unused variable 'meson_rtc_dt_match'
Hi Martin,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 996e435fd401de35df62ac943ab9402cfe85c430
commit: d8fe6009aa3ecbeeab3a4ec1a8bce68959a885be rtc: support for the Amlogic Meson RTC
date: 1 year, 11 months ago
config: x86_64-randconfig-a006-20210110 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project bc556e5685c0f97e79fb7b3c6f15cc5062db8e36)
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=d8fe6009aa3ecbeeab3a4ec1a8bce68959a885be
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d8fe6009aa3ecbeeab3a4ec1a8bce68959a885be
# 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@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/rtc/rtc-meson.c:388:34: warning: unused variable 'meson_rtc_dt_match' [-Wunused-const-variable]
static const struct of_device_id meson_rtc_dt_match[] = {
^
1 warning generated.

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for BACKLIGHT_CLASS_DEVICE
Depends on HAS_IOMEM && BACKLIGHT_LCD_SUPPORT
Selected by
- ACPI_CMPC && X86 && X86_PLATFORM_DEVICES && ACPI && INPUT && (RFKILL || RFKILL
- SAMSUNG_Q10 && X86 && X86_PLATFORM_DEVICES && ACPI


vim +/meson_rtc_dt_match +388 drivers/rtc/rtc-meson.c

387
> 388 static const struct of_device_id meson_rtc_dt_match[] = {
389 { .compatible = "amlogic,meson6-rtc", },
390 { .compatible = "amlogic,meson8-rtc", },
391 { .compatible = "amlogic,meson8b-rtc", },
392 { .compatible = "amlogic,meson8m2-rtc", },
393 { },
394 };
395 MODULE_DEVICE_TABLE(of, meson_rtc_dt_match);
396

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