[xlnx:xlnx_rebase_v5.4 906/1701] trace.c:(.text+0x1c30): multiple definition of `dwc3_simple_check_quirks'; drivers/usb/dwc3/core.o:core.c:(.text+0x8b0): first defined here

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4
head:   8540825db3d5519ef205a710515b7819b95eeb4f
commit: 782658c51bbcd85a39a5d9a51b57224f185d7670 [906/1701] usb: dwc3: Correct errors when dwc3 loaded as module
config: i386-randconfig-c021-20210401 (attached as .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/782658c51bbcd85a39a5d9a51b57224f185d7670
        git remote add xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xlnx xlnx_rebase_v5.4
        git checkout 782658c51bbcd85a39a5d9a51b57224f185d7670
        # 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: kernel test robot <redacted>

All error/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 'dwc3_simple_wakeup_capable' [-Wmissing-prototypes]
    1429 | void dwc3_simple_wakeup_capable(struct device *dev, bool wakeup)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/usb/dwc3/core.h:1431:6: warning: no previous prototype for 'dwc3_set_simple_data' [-Wmissing-prototypes]
    1431 | void dwc3_set_simple_data(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~

quoted

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

    1433 | void dwc3_simple_check_quirks(struct dwc3 *dwc)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~
--
   ld: drivers/usb/dwc3/trace.o: in function `dwc3_simple_wakeup_capable':
   trace.c:(.text+0x1c10): multiple definition of `dwc3_simple_wakeup_capable'; drivers/usb/dwc3/core.o:core.c:(.text+0x890): first defined here
   ld: drivers/usb/dwc3/trace.o: in function `dwc3_set_simple_data':
   trace.c:(.text+0x1c20): multiple definition of `dwc3_set_simple_data'; drivers/usb/dwc3/core.o:core.c:(.text+0x8a0): first defined here
   ld: drivers/usb/dwc3/trace.o: in function `dwc3_simple_check_quirks':

quoted

trace.c:(.text+0x1c30): multiple definition of `dwc3_simple_check_quirks'; drivers/usb/dwc3/core.o:core.c:(.text+0x8b0): first defined here

   ld: drivers/usb/dwc3/host.o: in function `dwc3_simple_wakeup_capable':
   host.c:(.text+0x10): multiple definition of `dwc3_simple_wakeup_capable'; drivers/usb/dwc3/core.o:core.c:(.text+0x890): first defined here
   ld: drivers/usb/dwc3/host.o: in function `dwc3_set_simple_data':
   host.c:(.text+0x20): multiple definition of `dwc3_set_simple_data'; drivers/usb/dwc3/core.o:core.c:(.text+0x8a0): first defined here
   ld: drivers/usb/dwc3/host.o: in function `dwc3_simple_check_quirks':
   host.c:(.text+0x30): multiple definition of `dwc3_simple_check_quirks'; drivers/usb/dwc3/core.o:core.c:(.text+0x8b0): first defined here
   ld: drivers/usb/dwc3/ulpi.o: in function `dwc3_simple_wakeup_capable':
   ulpi.c:(.text+0xa80): multiple definition of `dwc3_simple_wakeup_capable'; drivers/usb/dwc3/core.o:core.c:(.text+0x890): first defined here
   ld: drivers/usb/dwc3/ulpi.o: in function `dwc3_set_simple_data':
   ulpi.c:(.text+0xa90): multiple definition of `dwc3_set_simple_data'; drivers/usb/dwc3/core.o:core.c:(.text+0x8a0): first defined here
   ld: drivers/usb/dwc3/ulpi.o: in function `dwc3_simple_check_quirks':
   ulpi.c:(.text+0xaa0): multiple definition of `dwc3_simple_check_quirks'; drivers/usb/dwc3/core.o:core.c:(.text+0x8b0): first defined here
   ld: drivers/usb/dwc3/debugfs.o: in function `dwc3_simple_wakeup_capable':
   debugfs.c:(.text+0xa10): multiple definition of `dwc3_simple_wakeup_capable'; drivers/usb/dwc3/core.o:core.c:(.text+0x890): first defined here
   ld: drivers/usb/dwc3/debugfs.o: in function `dwc3_set_simple_data':
   debugfs.c:(.text+0xa20): multiple definition of `dwc3_set_simple_data'; drivers/usb/dwc3/core.o:core.c:(.text+0x8a0): first defined here
   ld: drivers/usb/dwc3/debugfs.o: in function `dwc3_simple_check_quirks':
   debugfs.c:(.text+0xa30): multiple definition of `dwc3_simple_check_quirks'; drivers/usb/dwc3/core.o:core.c:(.text+0x8b0): first defined here

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