Hi Dmitry,

[auto build test ERROR on regulator/for-next]
[also build test ERROR on v4.10-rc5 next-20170125]
[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/Furquan-Shaikh/Implement-generic-regulator-constraints-parsing-for-ACPI-and-OF/20170125-171807
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next
config: i386-randconfig-x004-201704 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from drivers/acpi/property.c:16:0:
   drivers/acpi/property.c: In function 'acpi_get_next_subnode':
>> drivers/acpi/property.c:840:27: error: 'dev' undeclared (first use in this function)
        adev = ACPI_COMPANION(dev);
                              ^
   include/linux/acpi.h:54:51: note: in definition of macro 'ACPI_COMPANION'
    #define ACPI_COMPANION(dev)  to_acpi_device_node((dev)->fwnode)
                                                      ^~~
   drivers/acpi/property.c:840:27: note: each undeclared identifier is reported only once for each function it appears in
        adev = ACPI_COMPANION(dev);
                              ^
   include/linux/acpi.h:54:51: note: in definition of macro 'ACPI_COMPANION'
    #define ACPI_COMPANION(dev)  to_acpi_device_node((dev)->fwnode)
                                                      ^~~

vim +/dev +840 drivers/acpi/property.c

504a3374 Rafael J. Wysocki 2015-08-27  834  
504a3374 Rafael J. Wysocki 2015-08-27  835  		if (child) {
504a3374 Rafael J. Wysocki 2015-08-27  836  			adev = to_acpi_device_node(child);
504a3374 Rafael J. Wysocki 2015-08-27  837  			next = adev->node.next;
504a3374 Rafael J. Wysocki 2015-08-27  838  			if (next == head) {
504a3374 Rafael J. Wysocki 2015-08-27  839  				child = NULL;
bf4703fd Irina Tirdea      2016-03-13 @840  				adev = ACPI_COMPANION(dev);
504a3374 Rafael J. Wysocki 2015-08-27  841  				goto nondev;
504a3374 Rafael J. Wysocki 2015-08-27  842  			}
504a3374 Rafael J. Wysocki 2015-08-27  843  			adev = list_entry(next, struct acpi_device, node);

:::::: The code at line 840 was first introduced by commit
:::::: bf4703fdd166fffd5b2e4c42d2ebbf708b94748e ACPI / property: fix data node parsing in acpi_get_next_subnode()

:::::: TO: Irina Tirdea <irina.tirdea@intel.com>
:::::: CC: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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