linux-kernel - Re: [PATCH] m68k/mvme147: Fix console for mvme147

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Message-ID: <202409011229.VWSluBzx-lkp@intel.com>
Date: Sun, 1 Sep 2024 12:21:35 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Palmer <daniel@...f.com>, linux-m68k@...ts.linux-m68k.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	geert@...ux-m68k.org, gerg@...ux-m68k.org,
	Daniel Palmer <daniel@...f.com>
Subject: Re: [PATCH] m68k/mvme147: Fix console for mvme147

Hi Daniel,

kernel test robot noticed the following build warnings:

[auto build test WARNING on geert-m68k/for-next]
[also build test WARNING on geert-m68k/for-linus gerg-m68knommu/for-next linus/master v6.11-rc5 next-20240830]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Daniel-Palmer/m68k-mvme147-Fix-console-for-mvme147/20240901-014003
base:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k.git for-next
patch link:    https://lore.kernel.org/r/20240831173802.2805586-1-daniel%400x0f.com
patch subject: [PATCH] m68k/mvme147: Fix console for mvme147
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20240901/202409011229.VWSluBzx-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240901/202409011229.VWSluBzx-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/202409011229.VWSluBzx-lkp@intel.com/

All warnings (new ones prefixed by >>):

   arch/m68k/mvme147/config.c: In function 'scc_delay':
>> arch/m68k/mvme147/config.c:193:22: warning: variable 'trash' set but not used [-Wunused-but-set-variable]
     193 |         volatile int trash;
         |                      ^~~~~


vim +/trash +193 arch/m68k/mvme147/config.c

   189	
   190	static void scc_delay(void)
   191	{
   192		int n;
 > 193		volatile int trash;
   194	
   195		for (n = 0; n < 20; n++)
   196			trash = n;
   197	}
   198	

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