sound/soc/codecs/rt1318.c:1149:34: warning: unused variable 'rt1318_of_match'

From: kernel test robot
Date: Fri Jul 04 2025 - 22:09:27 EST


Hi Jack,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a79a588fc1761dc12a3064fc2f648ae66cea3c5a
commit: fe1ff61487ace69cd4e680e36169c90667eb9624 ASoC: rt1318: Add RT1318 audio amplifier driver
date: 1 year, 1 month ago
config: x86_64-buildonly-randconfig-2001-20250705 (https://download.01.org/0day-ci/archive/20250705/202507050416.elP8eSZp-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250705/202507050416.elP8eSZp-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507050416.elP8eSZp-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

In file included from sound/soc/codecs/rt1318.c:18:
In file included from include/linux/i2c.h:19:
In file included from include/linux/regulator/consumer.h:35:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:21:
In file included from include/linux/mm.h:2253:
include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> sound/soc/codecs/rt1318.c:1149:34: warning: unused variable 'rt1318_of_match' [-Wunused-const-variable]
1149 | static const struct of_device_id rt1318_of_match[] = {
| ^~~~~~~~~~~~~~~
2 warnings generated.


vim +/rt1318_of_match +1149 sound/soc/codecs/rt1318.c

1148
> 1149 static const struct of_device_id rt1318_of_match[] = {
1150 { .compatible = "realtek,rt1318", },
1151 {},
1152 };
1153 MODULE_DEVICE_TABLE(of, rt1318_of_match);
1154

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https://github.com/intel/lkp-tests/wiki