Re: [PATCH v10 4/4] nvmem: eeprom: at25: export FRAM serial num

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Hi Jiri,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linux/master linus/master v5.13-rc7]
[cannot apply to char-misc/char-misc-testing next-20210621]
[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/Jiri-Prchal/add-support-for-FRAM/20210616-203024
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: mips-randconfig-r035-20210622 (attached as .config)
compiler: mips64-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/a1e83140e4bcb84fc663fdb074e2cbb5a771bfc8
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jiri-Prchal/add-support-for-FRAM/20210616-203024
        git checkout a1e83140e4bcb84fc663fdb074e2cbb5a771bfc8
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   drivers/misc/eeprom/at25.c: In function 'sernum_show':
>> drivers/misc/eeprom/at25.c:181:27: warning: field width specifier '*' expects argument of type 'int', but argument 3 has type 'long unsigned int' [-Wformat=]
     181 |  return sysfs_emit(buf, "%*ph\n", sizeof(at25->sernum), at25->sernum);
         |                          ~^~      ~~~~~~~~~~~~~~~~~~~~
         |                           |       |
         |                           int     long unsigned int
   drivers/misc/eeprom/at25.c: In function 'at25_probe':
   drivers/misc/eeprom/at25.c:386:13: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     386 |   is_fram = (int)match->data;
         |             ^


vim +181 drivers/misc/eeprom/at25.c

   175	
   176	static ssize_t sernum_show(struct device *dev, struct device_attribute *attr, char *buf)
   177	{
   178		struct at25_data *at25;
   179	
   180		at25 = dev_get_drvdata(dev);
 > 181		return sysfs_emit(buf, "%*ph\n", sizeof(at25->sernum), at25->sernum);
   182	}
   183	static DEVICE_ATTR_RO(sernum);
   184	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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