linux-kernel - Re: [PATCH 5/5] staging: vt6656: Remove unused rf

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Date:   Fri, 11 Mar 2022 05:30:51 +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 5/5] staging: vt6656: Remove unused rf_type in card.c

Hi Philipp,

Thank you for the patch! Perhaps something to improve:

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

url:    https://github.com/0day-ci/linux/commits/Philipp-Hortmann/staging-vt6656-Remove-unused-5GHz-support/20220311-025658
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git b25c7dc13fb8842e8634bd846a7a96f2176f0244
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20220311/202203110539.GOSgwFnJ-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://github.com/0day-ci/linux/commit/ddc1ba8087bf857aa6120e70814d4f161aba6cdc
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Philipp-Hortmann/staging-vt6656-Remove-unused-5GHz-support/20220311-025658
        git checkout ddc1ba8087bf857aa6120e70814d4f161aba6cdc
        # 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/staging/vt6656/

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/vt6656/card.c: In function 'vnt_set_bss_mode':
>> drivers/staging/vt6656/card.c:441:23: warning: variable 'bb_vga_0' set but not used [-Wunused-but-set-variable]
     441 |         unsigned char bb_vga_0 = 0x1c;
         |                       ^~~~~~~~


vim +/bb_vga_0 +441 drivers/staging/vt6656/card.c

92b96797118e58 Forest Bond  2009-06-13  435  
81969fd8abc104 Oscar Carter 2020-04-25  436  int vnt_set_bss_mode(struct vnt_private *priv)
92b96797118e58 Forest Bond  2009-06-13  437  {
35452e10610617 Oscar Carter 2020-04-29  438  	int ret;
91387f5eb9fc22 Oscar Carter 2020-04-29  439  	unsigned char type = priv->bb_type;
91387f5eb9fc22 Oscar Carter 2020-04-29  440  	unsigned char data = 0;
91387f5eb9fc22 Oscar Carter 2020-04-29 @441  	unsigned char bb_vga_0 = 0x1c;

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