Hi Krzysztof,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc6 next-20190830]
[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/Krzysztof-Wilczynski/PCI-Remove-unused-includes-and-superfluous-struct-declaration/20190902-040019
config: x86_64-randconfig-f004-201935 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-11) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   In file included from <command-line>:0:0:
   include/linux/of_pci.h: In function 'of_pci_get_devfn':
>> include/linux/of_pci.h:24:10: error: 'EINVAL' undeclared (first use in this function)
     return -EINVAL;
             ^~~~~~
   include/linux/of_pci.h:24:10: note: each undeclared identifier is reported only once for each function it appears in

vim +/EINVAL +24 include/linux/of_pci.h

64c5c759084e153 Arnd Bergmann 2014-06-04  21  
64c5c759084e153 Arnd Bergmann 2014-06-04  22  static inline int of_pci_get_devfn(struct device_node *np)
64c5c759084e153 Arnd Bergmann 2014-06-04  23  {
64c5c759084e153 Arnd Bergmann 2014-06-04 @24  	return -EINVAL;
64c5c759084e153 Arnd Bergmann 2014-06-04  25  }
64c5c759084e153 Arnd Bergmann 2014-06-04  26  

:::::: The code at line 24 was first introduced by commit
:::::: 64c5c759084e153272eb05f4103de3e0adf5a88a of/irq: provide more wrappers for !CONFIG_OF

:::::: TO: Arnd Bergmann <arnd@arndb.de>
:::::: CC: Rob Herring <robh@kernel.org>

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