[xilinx-xlnx:xlnx_rebase_v5.4 908/1768] drivers/usb/dwc3/core.h:1436:5: warning: no previous prototype for 'dwc3_set_usb_core_power'

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4
head:   abafefebd1f1e040eef74e4ab571ea08bf745641
commit: 68a922ded3cde24cb75c0cad0c62403d97ca9aaf [908/1768] usb: dwc3: Add code for supporting entering into D3 state during suspend
config: i386-randconfig-r006-20211214 (https://download.01.org/0day-ci/archive/20211215/202112151028.nmXHl55L-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/68a922ded3cde24cb75c0cad0c62403d97ca9aaf
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.4
        git checkout 68a922ded3cde24cb75c0cad0c62403d97ca9aaf
        # 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 <redacted>

All warnings (new ones prefixed by >>):

   In file included from drivers/usb/dwc3/core.c:36:
   drivers/usb/dwc3/core.h:1430:6: warning: no previous prototype for 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes]
    1430 | void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/usb/dwc3/core.h:1432:6: warning: no previous prototype for 'dwc3_set_simple_data' [-Wmissing-prototypes]
    1432 | void dwc3_set_simple_data(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~
   drivers/usb/dwc3/core.h:1434:6: warning: no previous prototype for 'dwc3_simple_check_quirks' [-Wmissing-prototypes]
    1434 | void dwc3_simple_check_quirks(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~

quoted

drivers/usb/dwc3/core.h:1436:5: warning: no previous prototype for 'dwc3_set_usb_core_power' [-Wmissing-prototypes]

    1436 | int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on)
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/usb/dwc3/core.h: In function 'dwc3_set_usb_core_power':

quoted

drivers/usb/dwc3/core.h:1437:5: warning: control reaches end of non-void function [-Wreturn-type]

    1437 | { ; }
         |     ^
--
   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:1430:6: warning: no previous prototype for 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes]
    1430 | void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/usb/dwc3/core.h:1432:6: warning: no previous prototype for 'dwc3_set_simple_data' [-Wmissing-prototypes]
    1432 | void dwc3_set_simple_data(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~
   drivers/usb/dwc3/core.h:1434:6: warning: no previous prototype for 'dwc3_simple_check_quirks' [-Wmissing-prototypes]
    1434 | void dwc3_simple_check_quirks(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~

quoted

drivers/usb/dwc3/core.h:1436:5: warning: no previous prototype for 'dwc3_set_usb_core_power' [-Wmissing-prototypes]

    1436 | int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on)
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   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/host.c:14:
   drivers/usb/dwc3/core.h: In function 'dwc3_set_usb_core_power':

quoted

drivers/usb/dwc3/core.h:1437:5: warning: control reaches end of non-void function [-Wreturn-type]

    1437 | { ; }
         |     ^
--
   In file included from drivers/usb/dwc3/trace.h:19,
                    from drivers/usb/dwc3/trace.c:11:
   drivers/usb/dwc3/core.h:1430:6: warning: no previous prototype for 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes]
    1430 | void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/usb/dwc3/core.h:1432:6: warning: no previous prototype for 'dwc3_set_simple_data' [-Wmissing-prototypes]
    1432 | void dwc3_set_simple_data(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~
   drivers/usb/dwc3/core.h:1434:6: warning: no previous prototype for 'dwc3_simple_check_quirks' [-Wmissing-prototypes]
    1434 | void dwc3_simple_check_quirks(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~

quoted

drivers/usb/dwc3/core.h:1436:5: warning: no previous prototype for 'dwc3_set_usb_core_power' [-Wmissing-prototypes]

    1436 | int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on)
         |     ^~~~~~~~~~~~~~~~~~~~~~~
   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_usb_core_power +1436 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	int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on);
  1427	#else
  1428	static inline int dwc3_enable_hw_coherency(struct device *dev)
  1429	{ return 1; }

1430	void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)

  1431	{ ; }
  1432	void dwc3_set_simple_data(struct dwc3 *dwc)
  1433	{ ; }

1434	void dwc3_simple_check_quirks(struct dwc3 *dwc)

  1435	{ ; }

1436	int dwc3_set_usb_core_power(struct dwc3 *dwc, bool on)
1437	{ ; }

  1438	#endif
  1439	

---
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