linux-kernel - drivers/iio/adc/xilinx-ams.c:1195:21: error: unused variable 'ams'

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Date:   Mon, 14 Feb 2022 22:47:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Anand Ashok Dumbre <anand.ashok.dumbre@...inx.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Manish Narani <manish.narani@...inx.com>
Subject: drivers/iio/adc/xilinx-ams.c:1195:21: error: unused variable 'ams'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   754e0b0e35608ed5206d6a67a791563c631cec07
commit: d5c70627a79455154f5f636096abe6fe57510605 iio: adc: Add Xilinx AMS driver
date:   8 weeks ago
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220214/202202142203.4ofqbic9-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 11.2.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d5c70627a79455154f5f636096abe6fe57510605
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout d5c70627a79455154f5f636096abe6fe57510605
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash drivers/iio/adc/ drivers/net/ethernet/freescale/

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

All errors (new ones prefixed by >>):

   drivers/iio/adc/xilinx-ams.c: In function 'ams_iounmap_ps':
>> drivers/iio/adc/xilinx-ams.c:1195:21: error: unused variable 'ams' [-Werror=unused-variable]
    1195 |         struct ams *ams = data;
         |                     ^~~
   drivers/iio/adc/xilinx-ams.c: In function 'ams_iounmap_pl':
   drivers/iio/adc/xilinx-ams.c:1202:21: error: unused variable 'ams' [-Werror=unused-variable]
    1202 |         struct ams *ams = data;
         |                     ^~~
   cc1: all warnings being treated as errors


vim +/ams +1195 drivers/iio/adc/xilinx-ams.c

  1192	
  1193	static void ams_iounmap_ps(void *data)
  1194	{
> 1195		struct ams *ams = data;
  1196	
  1197		iounmap(ams->ps_base);
  1198	}
  1199	

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