linux-kernel - include/linux/amd-pstate.h:87:27: warning: 'amd_pstate_mode

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Date: Sat, 6 Jan 2024 13:42:24 +0800
From: kernel test robot <lkp@...el.com>
To: Wyes Karny <wyes.karny@....com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Mario Limonciello <mario.limonciello@....com>,
	Perry Yuan <perry.yuan@....com>
Subject: include/linux/amd-pstate.h:87:27: warning: 'amd_pstate_mode_string'
 defined but not used

Hi Wyes,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a4ab2706bb1280693e7dff1c5c42a8cb9d70c177
commit: 36c5014e5460963ad7766487c0e22a7ff28681fc cpufreq: amd-pstate: optimize driver working mode selection in amd_pstate_param()
date:   11 months ago
config: i386-randconfig-053-20240106 (https://download.01.org/0day-ci/archive/20240106/202401061345.DE6P9g5i-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240106/202401061345.DE6P9g5i-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/202401061345.DE6P9g5i-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/cpufreq/amd-pstate-ut.c:29:
>> include/linux/amd-pstate.h:87:27: warning: 'amd_pstate_mode_string' defined but not used [-Wunused-const-variable=]
      87 | static const char * const amd_pstate_mode_string[] = {
         |                           ^~~~~~~~~~~~~~~~~~~~~~


vim +/amd_pstate_mode_string +87 include/linux/amd-pstate.h

    86	
  > 87	static const char * const amd_pstate_mode_string[] = {
    88		[AMD_PSTATE_DISABLE]     = "disable",
    89		[AMD_PSTATE_PASSIVE]     = "passive",
    90		[AMD_PSTATE_ACTIVE]      = "active",
    91		NULL,
    92	};
    93	

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