[xlnx:xlnx_rebase_v5.4 904/1700] drivers/usb/dwc3/core.h:1421:6: warning: no previous prototype for 'dwc3_set_simple_data'

[kernel test robot]

Hi Michal,

FYI, the error/warning still remains.

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4
head:   49bdb4e70d2001f3a5bf0bf5e990cca4a85210f4
commit: 3d600fd776cbda29abdea084f7437f7d9102b2a5 [904/1700] usb: dwc3: Add support for removing vbus when suspended
config: c6x-randconfig-r006-20210303 (attached as .config)
compiler: c6x-elf-gcc (GCC) 9.3.0
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/3d600fd776cbda29abdea084f7437f7d9102b2a5
        git remote add xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xlnx xlnx_rebase_v5.4
        git checkout 3d600fd776cbda29abdea084f7437f7d9102b2a5
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x 

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)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~


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	

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