linux-kernel - drivers/rtc/rtc-rv3032.c:908:34: warning: unused variable 'rv3032_of

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Message-ID: <202010260250.UmO0vC4y-lkp@intel.com>
Date:   Mon, 26 Oct 2020 02:11:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org
Subject: drivers/rtc/rtc-rv3032.c:908:34: warning: unused variable
 'rv3032_of_match'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d76913908102044f14381df865bb74df17a538cb
commit: 2eeaa532accab8810ca9fe21f52d149713561235 rtc: rv3032: Add a driver for Microcrystal RV-3032
date:   6 days ago
config: x86_64-randconfig-a001-20201026 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1c8371692dfe8245bc6690ff1262dcced4649d21)
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=2eeaa532accab8810ca9fe21f52d149713561235
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 2eeaa532accab8810ca9fe21f52d149713561235
        # 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@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/rtc/rtc-rv3032.c:908:34: warning: unused variable 'rv3032_of_match' [-Wunused-const-variable]
   static const struct of_device_id rv3032_of_match[] = {
                                    ^
   1 warning generated.

vim +/rv3032_of_match +908 drivers/rtc/rtc-rv3032.c

   907	
 > 908	static const struct of_device_id rv3032_of_match[] = {
   909		{ .compatible = "microcrystal,rv3032", },
   910		{ }
   911	};
   912	MODULE_DEVICE_TABLE(of, rv3032_of_match);
   913	

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

Download attachment ".config.gz" of type "application/gzip" (36736 bytes)