Re: [PATCH v4 2/2] usb: dwc3: Add driver for Xilinx platforms

[Greg KH]

On Wed, Mar 17, 2021 at 05:50:22PM +0800, kernel test robot wrote:
> Hi Manish,
> 
> Thank you for the patch! Perhaps something to improve:
> 
> [auto build test WARNING on usb/usb-testing]
> [also build test WARNING on robh/for-next v5.12-rc3 next-20210316]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
> 
> url:    https://github.com/0day-ci/linux/commits/Manish-Narani/Add-a-separate-DWC3-OF-driver-for-Xilinx-platforms/20210317-145425
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
> config: arm64-allyesconfig (attached as .config)
> compiler: aarch64-linux-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/0day-ci/linux/commit/def409fdf931cd77f4a88812570ea6f38f4053d8
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Manish-Narani/Add-a-separate-DWC3-OF-driver-for-Xilinx-platforms/20210317-145425
>         git checkout def409fdf931cd77f4a88812570ea6f38f4053d8
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> 
> All warnings (new ones prefixed by >>):
> 
> >> drivers/usb/dwc3/dwc3-xilinx.c:27: warning: expecting prototype for dwc3(). Prototype was for XLNX_USB_PHY_RST_EN() instead
> 
> 
> vim +27 drivers/usb/dwc3/dwc3-xilinx.c
> 
>     25	
>     26	/* USB phy reset mask register */
>   > 27	#define XLNX_USB_PHY_RST_EN			0x001C
>     28	#define XLNX_PHY_RST_MASK			0x1
>     29	

I do not understand this warning message.  What is it trying to say?

confused,

greg k-h