[xilinx-xlnx:xlnx_rebase_v5.4 904/1768] drivers/usb/dwc3/core.h:1421:6: warning: no previous prototype for 'dwc3_set_simple_data'

[kernel test robot]

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4
head:   abafefebd1f1e040eef74e4ab571ea08bf745641
commit: 3d600fd776cbda29abdea084f7437f7d9102b2a5 [904/1768] usb: dwc3: Add support for removing vbus when suspended
config: i386-randconfig-r006-20211214 (https://download.01.org/0day-ci/archive/20211215/202112150747.575z0i7n-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/Xilinx/linux-xlnx/commit/3d600fd776cbda29abdea084f7437f7d9102b2a5
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.4
        git checkout 3d600fd776cbda29abdea084f7437f7d9102b2a5
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/usb/

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/usb/dwc3/core.c:35:
   drivers/usb/dwc3/core.h:1419:6: warning: no previous prototype for 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes]
    1419 | void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/usb/dwc3/core.h:1421:6: warning: no previous prototype for 'dwc3_set_simple_data' [-Wmissing-prototypes]
    1421 | void dwc3_set_simple_data(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~
--
   In file included from drivers/usb/dwc3/host.c:12:
   include/linux/usb/xhci_pdriver.h:22:6: warning: no previous prototype for 'dwc3_host_wakeup_capable' [-Wmissing-prototypes]
      22 | void dwc3_host_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/usb/dwc3/host.c:14:
   drivers/usb/dwc3/core.h:1419:6: warning: no previous prototype for 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes]
    1419 | void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/usb/dwc3/core.h:1421:6: warning: no previous prototype for 'dwc3_set_simple_data' [-Wmissing-prototypes]
    1421 | void dwc3_set_simple_data(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~
   drivers/usb/dwc3/host.c:16:6: error: redefinition of 'dwc3_host_wakeup_capable'
      16 | void dwc3_host_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/usb/dwc3/host.c:12:
   include/linux/usb/xhci_pdriver.h:22:6: note: previous definition of 'dwc3_host_wakeup_capable' was here
      22 | void dwc3_host_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~
--
   In file included from drivers/usb/dwc3/trace.h:19,
                    from drivers/usb/dwc3/trace.c:11:
   drivers/usb/dwc3/core.h:1419:6: warning: no previous prototype for 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes]
    1419 | void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/usb/dwc3/core.h:1421:6: warning: no previous prototype for 'dwc3_set_simple_data' [-Wmissing-prototypes]
    1421 | void dwc3_set_simple_data(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~
   In file included from drivers/usb/dwc3/trace.h:343,
                    from drivers/usb/dwc3/trace.c:11:
   include/trace/define_trace.h:95:42: fatal error: ./trace.h: No such file or directory
      95 | #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
         |                                          ^
   compilation terminated.


vim +/dwc3_set_simple_data +1421 drivers/usb/dwc3/core.h

  1414	
  1415	#if IS_ENABLED(CONFIG_USB_DWC3_OF_SIMPLE)
  1416	void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup);
  1417	void dwc3_set_simple_data(struct dwc3 *dwc);
  1418	#else
> 1419	void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
  1420	{ ; }
> 1421	void dwc3_set_simple_data(struct dwc3 *dwc)
  1422	{ ; }
  1423	#endif
  1424	

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