linux-kernel - drivers/clk/clk-asm9260.c:258:17: warning: variable 'hw' set but not used

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Message-ID: <202301232014.R6MwCVoq-lkp@intel.com>
Date:   Mon, 23 Jan 2023 20:21:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Stephen Boyd <sboyd@...nel.org>
Subject: drivers/clk/clk-asm9260.c:258:17: warning: variable 'hw' set but not
 used

Hi Dmitry,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2475bf0250dee99b477e0c56d7dc9d7ac3f04117
commit: f5290d8e4f0caa81a491448a27dd70e726095d07 clk: asm9260: use parent index to link the reference clock
date:   4 months ago
config: arm-randconfig-r046-20230122 (https://download.01.org/0day-ci/archive/20230123/202301232014.R6MwCVoq-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
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=f5290d8e4f0caa81a491448a27dd70e726095d07
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f5290d8e4f0caa81a491448a27dd70e726095d07
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/clk/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/clk/clk-asm9260.c:258:17: warning: variable 'hw' set but not used [-Wunused-but-set-variable]
           struct clk_hw *hw, *pll_hw;
                          ^
   1 warning generated.


vim +/hw +258 drivers/clk/clk-asm9260.c

   255	
   256	static void __init asm9260_acc_init(struct device_node *np)
   257	{
 > 258		struct clk_hw *hw, *pll_hw;

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