Hi Richard,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.3-rc1 next-20190726]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Richard-Tresidder/power-supply-powersupply_sysfs-Add-of_node-name-to-uevent-message-if-available/20190727-033750
config: arm-omap2plus_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=arm 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/power/supply/power_supply_sysfs.c: In function 'power_supply_uevent':
>> drivers/power/supply/power_supply_sysfs.c:400:22: error: dereferencing pointer to incomplete type 'struct device_node'
             psy->of_node->name);
                         ^~

vim +400 drivers/power/supply/power_supply_sysfs.c

   381	
   382	int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env)
   383	{
   384		struct power_supply *psy = dev_get_drvdata(dev);
   385		int ret = 0, j;
   386		char *prop_buf;
   387		char *attrname;
   388	
   389		if (!psy || !psy->desc) {
   390			dev_dbg(dev, "No power supply yet\n");
   391			return ret;
   392		}
   393	
   394		ret = add_uevent_var(env, "POWER_SUPPLY_NAME=%s", psy->desc->name);
   395		if (ret)
   396			return ret;
   397	
   398		if (psy->of_node) {
   399			ret = add_uevent_var(env, "POWER_SUPPLY_OF_NODE_NAME=%s",
 > 400					     psy->of_node->name);

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