linux-kernel - Re: [PATCH 7/7] staging: vt6655: Convert macro PCAvDelayByIO to function

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Date:   Sat, 2 Apr 2022 19:05:43 +0800
From:   kernel test robot <lkp@...el.com>
To:     Philipp Hortmann <philipp.g.hortmann@...il.com>,
        Forest Bond <forest@...ttletooquiet.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org
Subject: Re: [PATCH 7/7] staging: vt6655: Convert macro PCAvDelayByIO to
 function

Hi Philipp,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]

url:    https://github.com/intel-lab-lkp/linux/commits/Philipp-Hortmann/staging-vt6655-Fix-CamelCase-in-upc-h-and-started-in-mac-h/20220402-153118
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git b22c721c4f3fd4608da059c56fbe7a0cc598fb6a
config: parisc-buildonly-randconfig-r006-20220402 (https://download.01.org/0day-ci/archive/20220402/202204021811.0EJtWYxo-lkp@intel.com/config)
compiler: hppa-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://github.com/intel-lab-lkp/linux/commit/87b8c1713c4ec7a743b07417150821e2c83dd49d
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Philipp-Hortmann/staging-vt6655-Fix-CamelCase-in-upc-h-and-started-in-mac-h/20220402-153118
        git checkout 87b8c1713c4ec7a743b07417150821e2c83dd49d
        # 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=parisc SHELL=/bin/bash drivers/staging/vt6655/

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/staging/vt6655/srom.c: In function 'PCAvDelayByIO':
>> drivers/staging/vt6655/srom.c:145:23: warning: variable 'data' set but not used [-Wunused-but-set-variable]
     145 |         unsigned char data;
         |                       ^~~~


vim +/data +145 drivers/staging/vt6655/srom.c

   142	
   143	void PCAvDelayByIO(unsigned char u_delay_unit)
   144	{
 > 145		unsigned char data;

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