[android-common:android-4.19-stable 14825/16149] drivers/clk/clk.c:3145:5: warning: no previous prototype for 'clk_set_flags'

[kbuild test robot <lkp@intel.com>]

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tree:   https://android.googlesource.com/kernel/common android-4.19-stable
head:   15a4eab01effdf63375819d2f2b67db74c2f6ae3
commit: 3179a1a38d96f565a2229b9244285c6abf62b10a [14825/16149] ANDROID: GKI: clk: Add support for voltage voting
config: i386-randconfig-a013-20200528 (attached as .config)
compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010
reproduce (this is a W=1 build):
        git checkout 3179a1a38d96f565a2229b9244285c6abf62b10a
        # 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: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

drivers/clk/clk.c: In function 'clk_update_vdd':
drivers/clk/clk.c:624:24: warning: variable 'ignore' set but not used [-Wunused-but-set-variable]
int level, rc = 0, i, ignore;
^
drivers/clk/clk.c: At top level:
>> drivers/clk/clk.c:3145:5: warning: no previous prototype for 'clk_set_flags' [-Wmissing-prototypes]
int clk_set_flags(struct clk *clk, unsigned long flags)
^
drivers/clk/clk.c:3157:6: warning: no previous prototype for 'clk_debug_print_hw' [-Wmissing-prototypes]
void clk_debug_print_hw(struct clk_core *clk, struct seq_file *f)
^
drivers/clk/clk.c:4257: warning: Function parameter or member 'dev' not described in 'devm_clk_unregister'
drivers/clk/clk.c:4455: warning: Function parameter or member 'get_hw' not described in 'of_clk_provider'

vim +/clk_set_flags +3145 drivers/clk/clk.c

  3144	
> 3145	int clk_set_flags(struct clk *clk, unsigned long flags)
  3146	{
  3147		if (!clk)
  3148			return 0;
  3149	
  3150		if (!clk->core->ops->set_flags)
  3151			return -EINVAL;
  3152	
  3153		return clk->core->ops->set_flags(clk->core->hw, flags);
  3154	}
  3155	EXPORT_SYMBOL_GPL(clk_set_flags);
  3156	

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

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