linux-kernel - Re: [PATCH V1 7/7] ASoC: codecs: Rework the aw88399 driver

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Message-ID: <202509271902.lDJPhs8Z-lkp@intel.com>
Date: Sat, 27 Sep 2025 20:47:47 +0800
From: kernel test robot <lkp@...el.com>
To: wangweidong.a@...nic.com, lgirdwood@...il.com, broonie@...nel.org,
	perex@...ex.cz, tiwai@...e.com, cy_huang@...htek.com,
	ivprusov@...utedevices.com, zhoubinbin@...ngson.cn,
	zhangyi@...rest-semi.com, jack.yu@...ltek.com, shenghao-ding@...com,
	rf@...nsource.cirrus.com, git@...tzsch.eu, nuno.sa@...log.com,
	colin.i.king@...il.com, thorsten.blum@...ux.dev,
	yesanishhere@...il.com, ebiggers@...gle.com, ardb@...nel.org,
	zhujun2@...s.chinamobile.com, linux-kernel@...r.kernel.org,
	linux-sound@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH V1 7/7] ASoC: codecs: Rework the aw88399 driver

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 4ff71af020ae59ae2d83b174646fc2ad9fcd4dc4]

url:    https://github.com/intel-lab-lkp/linux/commits/wangweidong-a-awinic-com/ASoC-codecs-Rework-the-awinic-driver-lib/20250926-183836
base:   4ff71af020ae59ae2d83b174646fc2ad9fcd4dc4
patch link:    https://lore.kernel.org/r/20250926102037.27697-8-wangweidong.a%40awinic.com
patch subject: [PATCH V1 7/7] ASoC: codecs: Rework the aw88399 driver
config: i386-randconfig-017-20250927 (https://download.01.org/0day-ci/archive/20250927/202509271902.lDJPhs8Z-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250927/202509271902.lDJPhs8Z-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/202509271902.lDJPhs8Z-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> sound/soc/codecs/aw88399.c:1728:36: warning: unused variable 'aw88399_acpi_match' [-Wunused-const-variable]
    1728 | static const struct acpi_device_id aw88399_acpi_match[] = {
         |                                    ^~~~~~~~~~~~~~~~~~
   1 warning generated.


vim +/aw88399_acpi_match +1728 sound/soc/codecs/aw88399.c

8ade6cc7e26175 Weidong Wang 2023-10-25  1726  
e95122a32e7773 Weidong Wang 2025-07-25  1727  #ifdef CONFIG_ACPI
e95122a32e7773 Weidong Wang 2025-07-25 @1728  static const struct acpi_device_id aw88399_acpi_match[] = {
e95122a32e7773 Weidong Wang 2025-07-25  1729  	{ "AWDZ8399", 0 },
e95122a32e7773 Weidong Wang 2025-07-25  1730  	{ },
e95122a32e7773 Weidong Wang 2025-07-25  1731  };
e95122a32e7773 Weidong Wang 2025-07-25  1732  MODULE_DEVICE_TABLE(acpi, aw88399_acpi_match);
e95122a32e7773 Weidong Wang 2025-07-25  1733  #endif
e95122a32e7773 Weidong Wang 2025-07-25  1734  

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