Hi Aapo,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tegra/for-next]
[also build test WARNING on v4.18-rc4 next-20180711]
[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/Aapo-Vienamo/soc-tegra-pmc-Fix-pad-voltage-configuration-for-Tegra186/20180712-053245
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux.git for-next
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from drivers/pci/controller/pci-tegra.c:41:0:

quoted

include/soc/tegra/pmc.h:205:14: warning: 'enum tegra_io_pad_voltage' declared inside parameter list will not be visible outside of this definition or declaration

            enum tegra_io_pad_voltage voltage)
                 ^~~~~~~~~~~~~~~~~~~~
   include/soc/tegra/pmc.h:205:35: error: parameter 2 ('voltage') has incomplete type
            enum tegra_io_pad_voltage voltage)
                                      ^~~~~~~
   include/soc/tegra/pmc.h:204:19: error: function declaration isn't a prototype [-Werror=strict-prototypes]
    static inline int tegra_io_pad_set_voltage(enum tegra_io_pad id,
                      ^~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +205 include/soc/tegra/pmc.h

21b49910 Laxman Dewangan 2016-10-10  203  
21b49910 Laxman Dewangan 2016-10-10  204  static inline int tegra_io_pad_set_voltage(enum tegra_io_pad id,
21b49910 Laxman Dewangan 2016-10-10 @205  					   enum tegra_io_pad_voltage voltage)
21b49910 Laxman Dewangan 2016-10-10  206  {
21b49910 Laxman Dewangan 2016-10-10  207  	return -ENOSYS;
21b49910 Laxman Dewangan 2016-10-10  208  }
21b49910 Laxman Dewangan 2016-10-10  209  

:::::: The code at line 205 was first introduced by commit
:::::: 21b4991051780b49b217c363f79366ed94c3b4b7 soc/tegra: pmc: Add I/O pad voltage support

:::::: TO: Laxman Dewangan [off-list ref]
:::::: CC: Thierry Reding [off-list ref]

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