[RESEND PATCH v2 1/2] PM / domains: Introduce multi PM domains helpers

[kernel test robot]

Hi Daniel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on pm/linux-next]
[also build test WARNING on shawnguo/for-next linux/master linus/master v5.8-rc2 next-20200623]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use  as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Daniel-Baluta/Introduce-multi-PM-domains-helpers/20200623-193706
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: i386-tinyconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

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

All warnings (new ones prefixed by >>):

   In file included from drivers/base/platform.c:23:
>> include/linux/pm_domain.h:395:34: warning: no previous prototype for 'dev_multi_pm_attach' [-Wmissing-prototypes]
     395 | struct dev_multi_pm_domain_data *dev_multi_pm_attach(struct device *dev)
         |                                  ^~~~~~~~~~~~~~~~~~~
>> include/linux/pm_domain.h:416:6: warning: no previous prototype for 'dev_multi_pm_detach' [-Wmissing-prototypes]
     416 | void dev_multi_pm_detach(struct dev_multi_pm_domain_data *mpd) {}
         |      ^~~~~~~~~~~~~~~~~~~
   drivers/base/platform.c:1352:20: warning: no previous prototype for 'early_platform_cleanup' [-Wmissing-prototypes]
    1352 | void __weak __init early_platform_cleanup(void) { }
         |                    ^~~~~~~~~~~~~~~~~~~~~~

vim +/dev_multi_pm_attach +395 include/linux/pm_domain.h

   394	
 > 395	struct dev_multi_pm_domain_data *dev_multi_pm_attach(struct device *dev)
   396	{
   397		return NULL;
   398	}
   399	
   400	static inline struct device *dev_pm_domain_attach_by_id(struct device *dev,
   401								unsigned int index)
   402	{
   403		return NULL;
   404	}
   405	static inline struct device *dev_pm_domain_attach_by_name(struct device *dev,
   406								  const char *name)
   407	{
   408		return NULL;
   409	}
   410	static inline void dev_pm_domain_detach(struct device *dev, bool power_off) {}
   411	static inline int dev_pm_domain_start(struct device *dev)
   412	{
   413		return 0;
   414	}
   415	
 > 416	void dev_multi_pm_detach(struct dev_multi_pm_domain_data *mpd) {}
   417	

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