linux-kernel - [stable:linux-5.10.y 556/1056] drivers/tty/serial/8250/8250_omap.c:1194:42: warning: unused variable 'k3_soc

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Date:   Thu, 22 Jul 2021 14:24:02 +0800
From:   kernel test robot <lkp@...el.com>
To:     Vignesh Raghavendra <vigneshr@...com>
Cc:     clang-built-linux@...glegroups.com, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [stable:linux-5.10.y 556/1056]
 drivers/tty/serial/8250/8250_omap.c:1194:42: warning: unused variable
 'k3_soc_devices'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.10.y
head:   2cd5fe24a7f025448f19d98c4f4c45ff79ce0784
commit: e0e3e0b7dabf9399983c763325bfcd163833085f [556/1056] serial: 8250: 8250_omap: Disable RX interrupt after DMA enable
config: arm64-randconfig-r016-20210722 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 9625ca5b602616b2f5584e8a49ba93c52c141e40)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=e0e3e0b7dabf9399983c763325bfcd163833085f
        git remote add stable https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
        git fetch --no-tags stable linux-5.10.y
        git checkout e0e3e0b7dabf9399983c763325bfcd163833085f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

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/tty/serial/8250/8250_omap.c:1194:42: warning: unused variable 'k3_soc_devices' [-Wunused-const-variable]
   static const struct soc_device_attribute k3_soc_devices[] = {
                                            ^
   1 warning generated.


vim +/k3_soc_devices +1194 drivers/tty/serial/8250/8250_omap.c

  1193	
> 1194	static const struct soc_device_attribute k3_soc_devices[] = {
  1195		{ .family = "AM65X",  },
  1196		{ .family = "J721E", .revision = "SR1.0" },
  1197	};
  1198	

---
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" (35262 bytes)