linux-kernel - sound/soc/jz4740/jz4740-i2s.c:491:34: warning: unused variable 'jz4770_i2s_soc

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Date:   Sat, 23 May 2020 07:16:18 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: sound/soc/jz4740/jz4740-i2s.c:491:34: warning: unused variable
 'jz4770_i2s_soc_info'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   444565650a5fe9c63ddf153e6198e31705dedeb2
commit: a3434a497a2f33324e0f47bc1500a400959b4b25 ASoC: jz4740-i2s: Add support for the JZ4770
date:   8 weeks ago
config: mips-randconfig-r014-20200522 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 3393cc4cebf9969db94dc424b7a2b6195589c33b)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        git checkout a3434a497a2f33324e0f47bc1500a400959b4b25
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips 

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

sound/soc/jz4740/jz4740-i2s.c:463:34: warning: unused variable 'jz4740_i2s_soc_info' [-Wunused-const-variable]
static const struct i2s_soc_info jz4740_i2s_soc_info = {
^
sound/soc/jz4740/jz4740-i2s.c:468:34: warning: unused variable 'jz4760_i2s_soc_info' [-Wunused-const-variable]
static const struct i2s_soc_info jz4760_i2s_soc_info = {
^
>> sound/soc/jz4740/jz4740-i2s.c:491:34: warning: unused variable 'jz4770_i2s_soc_info' [-Wunused-const-variable]
static const struct i2s_soc_info jz4770_i2s_soc_info = {
^
sound/soc/jz4740/jz4740-i2s.c:496:34: warning: unused variable 'jz4780_i2s_soc_info' [-Wunused-const-variable]
static const struct i2s_soc_info jz4780_i2s_soc_info = {
^
4 warnings generated.

vim +/jz4770_i2s_soc_info +491 sound/soc/jz4740/jz4740-i2s.c

   490	
 > 491	static const struct i2s_soc_info jz4770_i2s_soc_info = {
   492		.version = JZ_I2S_JZ4770,
   493		.dai = &jz4770_i2s_dai,
   494	};
   495	

---
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" (32691 bytes)