[xilinx-xlnx:xlnx_rebase_v5.4 906/1767] drivers/usb/dwc3/core.h:1433:6: warning: no previous prototype for function 'dwc3_simple_check_quirks'

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4
head:   1ad9b65f0dbe2b3ecc22a498e75a48d8ee39bbda
commit: 782658c51bbcd85a39a5d9a51b57224f185d7670 [906/1767] usb: dwc3: Correct errors when dwc3 loaded as module
config: x86_64-randconfig-a003-20211004 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c0039de2953d15815448b4b3c3bafb45607781e0)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/Xilinx/linux-xlnx/commit/782658c51bbcd85a39a5d9a51b57224f185d7670
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.4
        git checkout 782658c51bbcd85a39a5d9a51b57224f185d7670
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All warnings (new ones prefixed by >>):

   In file included from drivers/usb/dwc3/core.c:36:
   drivers/usb/dwc3/core.h:1429:6: warning: no previous prototype for function 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes]
   void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
        ^
   drivers/usb/dwc3/core.h:1429:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
   ^
   static 
   drivers/usb/dwc3/core.h:1431:6: warning: no previous prototype for function 'dwc3_set_simple_data' [-Wmissing-prototypes]
   void dwc3_set_simple_data(struct dwc3 *dwc)
        ^
   drivers/usb/dwc3/core.h:1431:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void dwc3_set_simple_data(struct dwc3 *dwc)
   ^
   static 

quoted

drivers/usb/dwc3/core.h:1433:6: warning: no previous prototype for function 'dwc3_simple_check_quirks' [-Wmissing-prototypes]

   void dwc3_simple_check_quirks(struct dwc3 *dwc)
        ^
   drivers/usb/dwc3/core.h:1433:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void dwc3_simple_check_quirks(struct dwc3 *dwc)
   ^
   static 
   3 warnings generated.
--
   In file included from drivers/usb/dwc3/trace.c:11:
   In file included from drivers/usb/dwc3/trace.h:19:
   drivers/usb/dwc3/core.h:1429:6: warning: no previous prototype for function 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes]
   void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
        ^
   drivers/usb/dwc3/core.h:1429:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
   ^
   static 
   drivers/usb/dwc3/core.h:1431:6: warning: no previous prototype for function 'dwc3_set_simple_data' [-Wmissing-prototypes]
   void dwc3_set_simple_data(struct dwc3 *dwc)
        ^
   drivers/usb/dwc3/core.h:1431:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void dwc3_set_simple_data(struct dwc3 *dwc)
   ^
   static 

quoted

drivers/usb/dwc3/core.h:1433:6: warning: no previous prototype for function 'dwc3_simple_check_quirks' [-Wmissing-prototypes]

   void dwc3_simple_check_quirks(struct dwc3 *dwc)
        ^
   drivers/usb/dwc3/core.h:1433:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void dwc3_simple_check_quirks(struct dwc3 *dwc)
   ^
   static 
   In file included from drivers/usb/dwc3/trace.c:11:
   In file included from drivers/usb/dwc3/trace.h:343:
   include/trace/define_trace.h:95:10: fatal error: './trace.h' file not found
   #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/trace/define_trace.h:90:32: note: expanded from macro 'TRACE_INCLUDE'
   # define TRACE_INCLUDE(system) __TRACE_INCLUDE(system)
                                  ^~~~~~~~~~~~~~~~~~~~~~~
   include/trace/define_trace.h:87:34: note: expanded from macro '__TRACE_INCLUDE'
   # define __TRACE_INCLUDE(system) __stringify(TRACE_INCLUDE_PATH/system.h)
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/stringify.h:10:27: note: expanded from macro '__stringify'
   #define __stringify(x...)       __stringify_1(x)
                                   ^~~~~~~~~~~~~~~~
   include/linux/stringify.h:9:29: note: expanded from macro '__stringify_1'
   #define __stringify_1(x...)     #x
                                   ^~
   <scratch space>:149:1: note: expanded from here
   "./trace.h"
   ^~~~~~~~~~~
   3 warnings and 1 error generated.


vim +/dwc3_simple_check_quirks +1433 drivers/usb/dwc3/core.h

  1420	
  1421	#if IS_ENABLED(CONFIG_USB_DWC3_OF_SIMPLE)
  1422	int dwc3_enable_hw_coherency(struct device *dev);
  1423	void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup);
  1424	void dwc3_set_simple_data(struct dwc3 *dwc);
  1425	void dwc3_simple_check_quirks(struct dwc3 *dwc);
  1426	#else
  1427	static inline int dwc3_enable_hw_coherency(struct device *dev)
  1428	{ return 1; }
  1429	void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
  1430	{ ; }
  1431	void dwc3_set_simple_data(struct dwc3 *dwc)
  1432	{ ; }

1433	void dwc3_simple_check_quirks(struct dwc3 *dwc)

  1434	{ ; }
  1435	#endif
  1436	

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