linux-kernel - drivers/pinctrl/meson/pinctrl-meson-s4.c:178:27: warning: unused variable 'tdm_sclk1_c

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Message-ID: <202205260425.ZVzHhy0e-lkp@intel.com>
Date:   Thu, 26 May 2022 04:36:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Qianggui Song <qianggui.song@...ogic.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: drivers/pinctrl/meson/pinctrl-meson-s4.c:178:27: warning: unused
 variable 'tdm_sclk1_c_pins'

Hi Qianggui,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   64e34b50d7aeee7082287ec39f9d34d4e60f3a04
commit: 775214d389c259c77ff2b4de50bdaab5c9bd5db3 pinctrl: meson: add pinctrl driver support for Meson-S4 Soc
date:   4 months ago
config: arm64-randconfig-r006-20220524 (https://download.01.org/0day-ci/archive/20220526/202205260425.ZVzHhy0e-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d52a6e75b0c402c7f3b42a2b1b2873f151220947)
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/torvalds/linux.git/commit/?id=775214d389c259c77ff2b4de50bdaab5c9bd5db3
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 775214d389c259c77ff2b4de50bdaab5c9bd5db3
        # 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=arm64 SHELL=/bin/bash drivers/pinctrl/meson/

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/pinctrl/meson/pinctrl-meson-s4.c:178:27: warning: unused variable 'tdm_sclk1_c_pins' [-Wunused-const-variable]
   static const unsigned int tdm_sclk1_c_pins[]            = { GPIOC_3 };
                             ^
   1 warning generated.


vim +/tdm_sclk1_c_pins +178 drivers/pinctrl/meson/pinctrl-meson-s4.c

   173	
   174	/* Bank C func4 */
   175	static const unsigned int tdm_d2_c_pins[]		= { GPIOC_0 };
   176	static const unsigned int tdm_d3_c_pins[]		= { GPIOC_1 };
   177	static const unsigned int tdm_fs1_c_pins[]		= { GPIOC_2 };
 > 178	static const unsigned int tdm_sclk1_c_pins[]		= { GPIOC_3 };
   179	static const unsigned int mclk_1_c_pins[]		= { GPIOC_4 };
   180	static const unsigned int tdm_d4_c_pins[]		= { GPIOC_5 };
   181	static const unsigned int tdm_d5_c_pins[]		= { GPIOC_6 };
   182	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp