Hi Shihlun,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on linux/master v5.9]
[cannot apply to lee-mfd/for-mfd-next next-20201013]
[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]

url:    
https://github.com/0day-ci/linux/commits/Shihlun-Lin/mfd-ahc1ec0-Add-support-for-Advantech-embedded-controller/20201014-164627
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
b5fc7a89e58bcc059a3d5e4db79c481fb437de59
config: parisc-randconfig-r003-20201014 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # 
https://github.com/0day-ci/linux/commit/c0d1228cbc430e5be6ac8a311f8fa783f9285628
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review 
Shihlun-Lin/mfd-ahc1ec0-Add-support-for-Advantech-embedded-controller/20201014-164627
        git checkout c0d1228cbc430e5be6ac8a311f8fa783f9285628
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross 
ARCH=parisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>

All warnings (new ones prefixed by >>):

   drivers/mfd/ahc1ec0-wdt.c: In function 'wdt_proc_read':
>> drivers/mfd/ahc1ec0-wdt.c:162:17: warning: variable 'name' set but not used 
>> [-Wunused-but-set-variable]
     162 |  unsigned char *name, *chip_name, *is_enable;
         |                 ^~~~
   drivers/mfd/ahc1ec0-wdt.c: In function 'adv_ec_wdt_probe':
>> drivers/mfd/ahc1ec0-wdt.c:426:31: warning: variable 'adv_ec_data' set but 
>> not used [-Wunused-but-set-variable]
     426 |  struct adv_ec_platform_data *adv_ec_data;
         |                               ^~~~~~~~~~~

vim +/name +162 drivers/mfd/ahc1ec0-wdt.c

   159  
   160  static int wdt_proc_read(struct seq_file *m, void *p)
   161  {
 > 162          unsigned char *name, *chip_name, *is_enable;
   163          unsigned long current_timeout = 0;
   164  
   165          name = m->private;
   166  
   167          chip_name = wdt_data.chip_name;
   168          current_timeout = wdt_data.current_timeout;
   169          is_enable = wdt_data.is_enable;
   170  
   171          seq_printf(m, "name       : %s\n", chip_name);
   172          seq_printf(m, "timeout    : %ld\n", current_timeout);
   173          seq_printf(m, "is_enable  : %s\n", is_enable);
   174  
   175          return 0;
   176  }
   177  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

Attachment: .config.gz
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