linux-kernel - drivers/input/touchscreen/wdt87xx_i2c.c:1166:36: warning: 'wdt87xx_acpi

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Message-ID: <202501181549.uzdlBwuN-lkp@intel.com>
Date: Sat, 18 Jan 2025 15:58:55 +0800
From: kernel test robot <lkp@...el.com>
To: Johannes Berg <johannes.berg@...el.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Richard Weinberger <richard@....at>
Subject: drivers/input/touchscreen/wdt87xx_i2c.c:1166:36: warning:
 'wdt87xx_acpi_id' defined but not used

Hi Johannes,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   595523945be0a5a2f12a1c04772383293fbc04a1
commit: 0bbadafdc49d11a1836e5946f517d18cceaea6c8 um: allow disabling NO_IOMEM
date:   3 years, 7 months ago
config: um-randconfig-002-20230916 (https://download.01.org/0day-ci/archive/20250118/202501181549.uzdlBwuN-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250118/202501181549.uzdlBwuN-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/202501181549.uzdlBwuN-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/input/touchscreen/wdt87xx_i2c.c:1166:36: warning: 'wdt87xx_acpi_id' defined but not used [-Wunused-const-variable=]
    1166 | static const struct acpi_device_id wdt87xx_acpi_id[] = {
         |                                    ^~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for LOCKDEP
   Depends on [n]: DEBUG_KERNEL [=y] && LOCK_DEBUGGING_SUPPORT [=y] && (FRAME_POINTER [=n] || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86)
   Selected by [y]:
   - LOCK_STAT [=y] && DEBUG_KERNEL [=y] && LOCK_DEBUGGING_SUPPORT [=y]
   - DEBUG_LOCK_ALLOC [=y] && DEBUG_KERNEL [=y] && LOCK_DEBUGGING_SUPPORT [=y]


vim +/wdt87xx_acpi_id +1166 drivers/input/touchscreen/wdt87xx_i2c.c

3e30c11c8a902d HungNien Chen 2015-06-15  1165  
3e30c11c8a902d HungNien Chen 2015-06-15 @1166  static const struct acpi_device_id wdt87xx_acpi_id[] = {
3e30c11c8a902d HungNien Chen 2015-06-15  1167  	{ "WDHT0001", 0 },
3e30c11c8a902d HungNien Chen 2015-06-15  1168  	{ }
3e30c11c8a902d HungNien Chen 2015-06-15  1169  };
3e30c11c8a902d HungNien Chen 2015-06-15  1170  MODULE_DEVICE_TABLE(acpi, wdt87xx_acpi_id);
3e30c11c8a902d HungNien Chen 2015-06-15  1171  

:::::: The code at line 1166 was first introduced by commit
:::::: 3e30c11c8a902de350281a0d821e17cdb45ef156 Input: add a driver for wdt87xx touchscreen controller

:::::: TO: HungNien Chen <hn.chen@...dahitech.com>
:::::: CC: Dmitry Torokhov <dmitry.torokhov@...il.com>

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