linux-kernel - drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:1839:42: warning: unused variable 'mt7615_wowlan

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Date:   Mon, 13 Jul 2020 04:04:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Felix Fietkau <nbd@....name>,
        Wan-Feng Jiang <Wan-Feng.Jiang@...iatek.com>,
        Soul Huang <Soul.Huang@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>
Subject: drivers/net/wireless/mediatek/mt76/mt7615/mcu.c:1839:42: warning:
 unused variable 'mt7615_wowlan_support'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0aea6d5c5be33ce94c16f9ab2f64de1f481f424b
commit: c6bf20109a3fae92402cb76ad709ec5256bcd169 mt76: mt7615: add WoW support
date:   9 weeks ago
config: arm-randconfig-r001-20200713 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 02946de3802d3bc65bc9f2eb9b8d4969b5a7add8)
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
        git checkout c6bf20109a3fae92402cb76ad709ec5256bcd169
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

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/net/wireless/mediatek/mt76/mt7615/mcu.c:1839:42: warning: unused variable 'mt7615_wowlan_support' [-Wunused-const-variable]
   static const struct wiphy_wowlan_support mt7615_wowlan_support = {
                                            ^
   1 warning generated.

vim +/mt7615_wowlan_support +1839 drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

  1838	
> 1839	static const struct wiphy_wowlan_support mt7615_wowlan_support = {
  1840		.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
  1841		.n_patterns = 1,
  1842		.pattern_min_len = 1,
  1843		.pattern_max_len = MT7615_WOW_PATTEN_MAX_LEN,
  1844	};
  1845	

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

Download attachment ".config.gz" of type "application/gzip" (31282 bytes)