linux-kernel - sound/soc/codecs/rt5514-spi.c:496:34: warning: 'rt5514_of

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Message-ID: <202501031724.GqTW66FA-lkp@intel.com>
Date: Fri, 3 Jan 2025 17:49:50 +0800
From: kernel test robot <lkp@...el.com>
To: Stephen Boyd <sboyd@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nel.org>, Arnd Bergmann <arnd@...db.de>
Subject: sound/soc/codecs/rt5514-spi.c:496:34: warning: 'rt5514_of_match'
 defined but not used

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0bc21e701a6ffacfdde7f04f87d664d82e8a13bf
commit: bbd7ffdbef6888459f301c5889f3b14ada38b913 clk: Allow the common clk framework to be selectable
date:   4 years, 8 months ago
config: parisc-randconfig-r025-20211224 (https://download.01.org/0day-ci/archive/20250103/202501031724.GqTW66FA-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 12.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250103/202501031724.GqTW66FA-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501031724.GqTW66FA-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/mm.h:95,
                    from include/linux/scatterlist.h:8,
                    from include/linux/spi/spi.h:14,
                    from sound/soc/codecs/rt5514-spi.c:11:
   include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full':
   arch/parisc/include/asm/pgtable.h:96:23: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable]
      96 |                 pte_t old_pte;                                  \
         |                       ^~~~~~~
   arch/parisc/include/asm/pgtable.h:322:34: note: in expansion of macro 'set_pte_at'
     322 | #define pte_clear(mm, addr, xp)  set_pte_at(mm, addr, xp, __pte(0))
         |                                  ^~~~~~~~~~
   include/asm-generic/pgtable.h:202:9: note: in expansion of macro 'pte_clear'
     202 |         pte_clear(mm, address, ptep);
         |         ^~~~~~~~~
   include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit':
   arch/parisc/include/asm/pgtable.h:96:23: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable]
      96 |                 pte_t old_pte;                                  \
         |                       ^~~~~~~
   include/asm-generic/pgtable.h:641:9: note: in expansion of macro 'set_pte_at'
     641 |         set_pte_at(vma->vm_mm, addr, ptep, pte);
         |         ^~~~~~~~~~
   sound/soc/codecs/rt5514-spi.c: At top level:
>> sound/soc/codecs/rt5514-spi.c:496:34: warning: 'rt5514_of_match' defined but not used [-Wunused-const-variable=]
     496 | static const struct of_device_id rt5514_of_match[] = {
         |                                  ^~~~~~~~~~~~~~~


vim +/rt5514_of_match +496 sound/soc/codecs/rt5514-spi.c

58f1c07d23cddb oder_chiou@...ltek.com 2017-11-08  495  
6eebf35b0e4a02 Oder Chiou             2016-06-06 @496  static const struct of_device_id rt5514_of_match[] = {
6eebf35b0e4a02 Oder Chiou             2016-06-06  497  	{ .compatible = "realtek,rt5514", },
6eebf35b0e4a02 Oder Chiou             2016-06-06  498  	{},
6eebf35b0e4a02 Oder Chiou             2016-06-06  499  };
6eebf35b0e4a02 Oder Chiou             2016-06-06  500  MODULE_DEVICE_TABLE(of, rt5514_of_match);
6eebf35b0e4a02 Oder Chiou             2016-06-06  501  

:::::: The code at line 496 was first introduced by commit
:::::: 6eebf35b0e4a02248f7dba5d1719c6896afe41ba ASoC: rt5514: add rt5514 SPI driver

:::::: TO: Oder Chiou <oder_chiou@...ltek.com>
:::::: CC: Mark Brown <broonie@...nel.org>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki