Hi Michael,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on net/master ipvs/master net-next/master v5.12-rc3 
next-20210319]
[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/Michael-Tretter/net-phy-dp83867-Configure-LED-modes-via-device-tree/20210320-000027
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-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/740c2de62bc36c66a54a8c152a65ae2ebf805515
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review 
Michael-Tretter/net-phy-dp83867-Configure-LED-modes-via-device-tree/20210320-000027
        git checkout 740c2de62bc36c66a54a8c152a65ae2ebf805515
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross 
ARCH=xtensa 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>

All warnings (new ones prefixed by >>):

   drivers/net/phy/dp83867.c: In function 'dp83867_of_led_mode_read':
>> drivers/net/phy/dp83867.c:550:14: warning: passing argument 4 of 
>> 'of_property_read_u32_index' makes pointer from integer without a cast 
>> [-Wint-conversion]
     550 |       index, tmp);
         |              ^~~
         |              |
         |              u32 {aka unsigned int}
   In file included from drivers/net/phy/dp83867.c:11:
   include/linux/of.h:311:28: note: expected 'u32 *' {aka 'unsigned int *'} but 
argument is of type 'u32' {aka 'unsigned int'}
     311 |            u32 index, u32 *out_value);
         |                       ~~~~~^~~~~~~~~
>> drivers/net/phy/dp83867.c:549:8: warning: 'tmp' is used uninitialized in 
>> this function [-Wuninitialized]
     549 |  err = of_property_read_u32_index(of_node, "ti,dp83867-led-modes",
         |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     550 |       index, tmp);
         |       ~~~~~~~~~~~


vim +/of_property_read_u32_index +550 drivers/net/phy/dp83867.c

   538  
   539  #if IS_ENABLED(CONFIG_OF_MDIO)
   540  static int dp83867_of_led_mode_read(struct device_node *of_node,
   541                                      const char *led_name, u32 *mode)
   542  {
   543          u32 tmp;
   544          int index;
   545          int err;
   546  
   547          index = of_property_match_string(of_node, 
"ti,dp83867-led-mode-names",
   548                                           led_name);
 > 549          err = of_property_read_u32_index(of_node, 
 > "ti,dp83867-led-modes",
 > 550                                           index, tmp);
   551          if (err)
   552                  return err;
   553          if (tmp == 0xc || tmp >= 0xf)
   554                  return -EINVAL;
   555  
   556          *mode = tmp;
   557  
   558          return 0;
   559  }
   560  

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

Attachment: .config.gz
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