[sashal-linux-stable:queue-4.9 28/30] drivers/usb/dwc3/core.c:941:2: error: implicit declaration of function 'dwc3_set_prtcap'; did you mean 'dwc3_set_mode'?

[sashal-linux-stable:queue-4.9 28/30] drivers/usb/dwc3/core.c:941:2: error: implicit declaration of function 'dwc3_set_prtcap'; did you mean 'dwc3_set_mode'?

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-4.9
head:   68f5364d258264ad75938456bd8786db58360d75
commit: c7f515e8d7400227fcbbcafa420661f093947f1f [28/30] usb: dwc3: turn off VBUS when leaving host mode
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
        git checkout c7f515e8d7400227fcbbcafa420661f093947f1f
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/usb/dwc3/core.c: In function 'dwc3_core_exit_mode':
>> drivers/usb/dwc3/core.c:941:2: error: implicit declaration of function 'dwc3_set_prtcap'; did you mean 'dwc3_set_mode'? [-Werror=implicit-function-declaration]
     dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE);
     ^~~~~~~~~~~~~~~
     dwc3_set_mode
   cc1: some warnings being treated as errors

vim +941 drivers/usb/dwc3/core.c

   921	
   922	static void dwc3_core_exit_mode(struct dwc3 *dwc)
   923	{
   924		switch (dwc->dr_mode) {
   925		case USB_DR_MODE_PERIPHERAL:
   926			dwc3_gadget_exit(dwc);
   927			break;
   928		case USB_DR_MODE_HOST:
   929			dwc3_host_exit(dwc);
   930			break;
   931		case USB_DR_MODE_OTG:
   932			dwc3_host_exit(dwc);
   933			dwc3_gadget_exit(dwc);
   934			break;
   935		default:
   936			/* do nothing */
   937			break;
   938		}
   939	
   940		/* de-assert DRVVBUS for HOST and OTG mode */
 > 941		dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE);
   942	}
   943	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

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